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PIC16F73-E/SO - 8-Bit 20MHz Flash MCU | Microchip Technology
PIC16F73-E/SO

PIC16F73-E/SO - 8-Bit 20MHz Flash MCU | Microchip Technology

The Microchip Technology PIC16F73-E/SO is an 8-bit CMOS Flash microcontroller with a 20 MHz maximum operating frequency, 7 KB program memory organized as 4K x 14 words, 192 bytes of RAM, and 22 I/O pins in a 28-pin SOIC package. The device is based on the PIC16 architecture and provides 200 ns instruction execution with 35 single-word instructions. According to the manufacturer product information, the PIC16F73 includes five 8-bit A/D converter channels, two additional timers, two capture/compare/PWM functions, and a configurable synchronous serial port supporting SPI or I2C communication. The PIC16F73-E/SO is a Flash-based member of the PIC16F7xxx family and is suitable for embedded control systems that require deterministic 8-bit processing, mixed analog and digital peripherals, and serial connectivity. Its 5-channel A/D converter supports basic sensor acquisition, while the timer, capture/compare, and PWM resources support motor control, timing, and waveform generation. The synchronous serial port can be configured for SPI or I2C, allowing the controller to connect to sensors, transceivers, displays, and memory devices without requiring a dedicated external serial interface. The -E/SO ordering suffix identifies the extended-temperature version supplied in the 28-pin SOIC package. The available distributor information identifies the operating temperature range as -40 C to +125 C, and the component is listed with a 20 MHz core, 7 KB Flash memory, 192 bytes of RAM, and 22 I/O pins. These characteristics make the device appropriate for industrial instrumentation, temperature and process monitoring, compact control panels, actuator control, and general-purpose embedded products. The device is not a high-speed digital signal processor and does not provide the memory capacity or peripheral density of modern 32-bit MCUs. Selection should therefore focus on the combination of a small 8-bit footprint, Flash programmability, A/D conversion, PWM-capable timers, and compact serial communication. For designs requiring extensive data storage, networking, USB, or high-resolution analog performance, a higher-performance microcontroller may be more appropriate. When laying out a board, place the decoupling capacitor close to VDD and keep oscillator and reset traces short. The SOIC footprint requires adequate pin escape routing, and unused inputs should be connected according to the manufacturer datasheet recommendations. Validate the crystal or resonator network, power sequencing, analog reference arrangement, and programming access before releasing the PCB for production. This product summary combines manufacturer specifications, distributor availability, package information, and cross-reference results to help engineers evaluate PIC16F73-E/SO for embedded control designs and identify its closest verified drop-in alternative.

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PIC16F73-E/SP - 8-Bit 20MHz 7KB FLASH MCU, 28-SPDIP | Microchip
PIC16F73-E/SP

PIC16F73-E/SP - 8-Bit 20MHz 7KB FLASH MCU, 28-SPDIP | Microchip

The Microchip Technology PIC16F73-E/SP is an 8-bit CMOS FLASH-based microcontroller built on Microchip's PIC16 architecture, operating at up to 20 MHz (200 ns instruction cycle), housed in a 28-pin SPDIP (Skinny Plastic DIP) through-hole package. It integrates 7 KB of FLASH program memory (4K x 14 words), 192 bytes of RAM, and 22 digital I/O pins, with peripherals including a 5-channel 8-bit ADC, two 8-bit timers, two Capture/Compare/PWM modules, an SSP configurable for SPI or I2C, and a USART. An 8-bit microcontroller (MCU) is a single-chip computer that processes data 8 bits at a time, combining a CPU, non-volatile program memory (FLASH or ROM), volatile data memory (RAM), and configurable peripherals. The PIC16F73 belongs to the broader mid-range PIC16 family (PIC16 -> 8-bit MCU -> microcontroller -> embedded IC -> semiconductor), designed for cost-sensitive embedded control with the industry-standard PIC instruction set (35 single-word instructions). Key features include 5 channels of 8-bit ADC with 10 ms conversion time, dual Capture/Compare/PWM (CCP) modules for motor and lighting control, a synchronous serial port (SSP) configurable as 3-wire SPI or 2-wire I2C, plus an enhanced USART/SCI for asynchronous and synchronous serial communications. The device operates across an industrial temperature range of -40C to +125C, supports in-circuit serial programming (ICSP) via two pins, and is supported by Microchip's MPLAB X IDE and XC8 compiler toolchain. The PIC16F73 uses a Harvard RISC architecture with separate program and data buses. Its FLASH program memory is erasable and reprogrammable in-circuit, allowing field firmware updates and iterative development. The 192-byte RAM supports single-cycle access at 20 MHz, and the 22 I/O pins can source/sink up to 25 mA for direct LED drive without external transistors. Typical applications include industrial motor control (BLDC, stepper, fan drives), consumer appliance control (washing machines, microwaves, HVAC), uninterruptible power supply (UPS) battery monitoring, automotive body and accessory modules, security and fire-alarm sensor nodes, and general-purpose embedded control in cost-sensitive products. The PIC16F73's low component count and proven toolchain make it a strong fit for high-volume production designs. When designing with this MCU, ensure adequate decoupling (100 nF ceramic plus 10 uF bulk within 25 mm of VDD) and reserve the MCLR pin for an in-circuit serial programming (ICSP) header if field firmware updates are anticipated. The 28-SPDIP through-hole package is preferred for hand-prototyping and high-voltage isolation in industrial designs, but the same die is offered in surface-mount variants (SOIC, SSOP) for volume manufacturing. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, with all data verified against Microchip's official PIC16F73 datasheet.

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PIC16F73-E/SS - 8-bit 20MHz 7KB FLASH MCU, 28-SSOP | Microchip
PIC16F73-E/SS

PIC16F73-E/SS - 8-bit 20MHz 7KB FLASH MCU, 28-SSOP | Microchip

The Microchip Technology PIC16F73-E/SS is an 8-bit CMOS FLASH-based microcontroller in the PIC16 mid-range family, delivering 20 MHz (200 ns instruction cycle) performance with 7 KB of program memory (4K x 14 words) and 192 bytes of RAM, packaged in a 28-pin SSOP. It integrates 22 I/O lines, a 5-channel 8-bit A/D converter, two 8-bit timers plus one 16-bit timer, two capture/compare/PWM modules, and a synchronous serial port configurable as either 3-wire SPI or 2-wire I2C, plus a USART. A microcontroller (MCU) is a single-chip computer that contains a CPU core, non-volatile program memory (typically FLASH), working RAM, and a rich set of on-chip peripherals such as timers, ADC, communication interfaces, and GPIO. The PIC16 mid-range family uses a RISC architecture with 35 single-word instructions and is upwards compatible with the PIC16C5X, PIC12CXXX and PIC16C7X device families, simplifying migration of legacy designs. PIC MCUs sit within the broader hierarchy of: PIC16 -> PIC mid-range -> 8-bit MCU -> microcontroller -> embedded processor -> semiconductor device. Key differentiating features include a wide 2.0 V to 5.5 V supply range, 100,000 erase/write cycle FLASH endurance typical, ICD (In-Circuit Debugger) support via the standard two-wire interface, and the -E extended temperature grade of -40 C to +125 C. The 28-SSOP footprint is industry-standard and pin-compatible with related PIC16F7x family members, simplifying board layout reuse across the product line. The PIC16F73-E/SS uses a Harvard architecture with a 14-bit instruction word and an 8-bit data path, giving a favourable code density for embedded control loops. Its 8-level hardware stack and 8 x 8 hardware multiply block support compact math, while the SSP module handles both SPI master/slave and I2C master/slave protocols in firmware. Typical applications include industrial sensor conditioning, motor control loops (BLDC, stepper, brushed DC), battery-powered instrumentation, automotive body and lighting subsystems (within the -E temperature grade), home appliances, and simple human-machine interfaces such as LED/LCD control panels. The combination of USART, ADC and CCP peripherals covers most mid-range embedded needs. When designing with the PIC16F73-E/SS, note the wide 2.0 V to 5.5 V supply range allows single-cell Li-ion or two-AA battery operation. The CONFIG register must be set in source to enable the Watchdog Timer, brown-out reset, low-voltage programming, and code protection as required by the application. This page synthesises distributor pricing, verified drop-in alternatives within the PIC16F7x family, and practical design notes that complement the manufacturer datasheet.

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PIC16F73-I/ML - 8-Bit 20MHz Flash MCU | Microchip
PIC16F73-I/ML

PIC16F73-I/ML - 8-Bit 20MHz Flash MCU | Microchip

The Microchip Technology PIC16F73-I/ML is an 8-bit Flash-based CMOS microcontroller operating at up to 20 MHz, with 7 KB of program Flash, 192 bytes of RAM, and 22 I/O pins in a 28-QFN (6 x 6 mm) package. It includes five 8-bit Analog-to-Digital Converter channels, two additional timers, two capture/compare/PWM functions, a configurable synchronous serial port supporting SPI or I2C, and a USART. A PIC16-series microcontroller is a compact embedded-control device combining a CPU core, Flash program memory, data memory, I/O ports, timers, serial interfaces, and analog conversion functions. This PIC16F73-I/ML belongs to the Microcontroller > 8-bit MCU > embedded-processing hierarchy and is positioned for control-oriented systems that need flexible digital I/O, timing, communications, and modest analog measurement. The 20 MHz maximum clock speed supports faster instruction execution than lower-speed 8-bit designs, while the 7 KB Flash memory stores 4K x 14 program words. Its 192-byte RAM is suitable for variables and working data, and 22 I/O pins provide connections for sensors, actuators, indicators, communication circuits, and control signals. The five-channel 8-bit ADC enables basic analog-to-digital measurement without an external converter. Two additional timers and two capture/compare/PWM functions support periodic generation, timing, motor-control-related waveforms, and input-capture tasks. The synchronous serial port can operate as a three-wire SPI or two-wire I2C interface, while the USART supports asynchronous serial communication. These peripherals make the device useful for compact controllers that need multiple communication modes without relying on discrete interface devices. Typical applications include industrial sensing and monitoring, motor and actuator control, instrumentation, keypad interfaces, LED and display control, communications equipment, and embedded consumer products. The 28-QFN package reduces board footprint but requires careful PCB layout and thermal planning because its exposed pad and fine-pitch leads can complicate assembly and rework. Designers should verify pin multiplexing, oscillator configuration, ADC input availability, timer resource allocation, and the exact package drawing before layout. Firmware should also account for the PIC16F73 reset state and configure unused pins appropriately to prevent unintended digital inputs or analog activity. For replacement decisions, compare the complete device family and package rather than relying only on nominal speed or memory. This page combines the verified manufacturer and distributor information with package, application, comparison, and design guidance intended to accelerate engineering review. It is intended as a concise technical reference, not a substitute for the complete Microchip datasheet during production qualification.

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PIC16F73-I/SO - 8-bit 20MHz 7KB Flash MCU 28-SOIC | Microchip
PIC16F73-I/SO

PIC16F73-I/SO - 8-bit 20MHz 7KB Flash MCU 28-SOIC | Microchip

The Microchip PIC16F73-I/SO is an 8-bit PIC16F-family CMOS flash microcontroller (MCU) running at 20 MHz instruction rate, with 7 KB (4K x 14 words) of on-chip flash program memory, 192 bytes of RAM, and 22 digital I/O lines, housed in a 28-pin SOIC (SO) wide-package. It integrates 5 channels of 8-bit Analog-to-Digital conversion, two 8-bit timers, a third 16-bit timer, two Capture/Compare/PWM modules, a synchronous serial port configurable as SPI or I2C, and a USART/SCI port for asynchronous serial communication. What is a flash-based 8-bit microcontroller? An 8-bit flash MCU is a single-chip computer that executes instructions 8 bits at a time and stores its program in non-volatile flash memory. Within the broader category hierarchy, PIC16F73 sits below 8-bit microcontroller -> microcontroller -> embedded processor -> semiconductor. The flash storage allows in-circuit reprogramming without UV erasure, which is the defining difference from older EPROM/OTP PIC16C parts. The 28-pin SOIC (SO) wide-body package is a surface-mount plastic SO with 1.27 mm pitch and 7.50 mm body width, part of the SOIC -> SO surface-mount -> SMD family hierarchy. Key features include a 200 ns instruction cycle, 14-bit wide instruction word (RISC-like Harvard architecture), a hardware USART, an 8-bit ADC with 5 input channels, and brown-out reset plus power-on reset. The -I suffix denotes the industrial -40C to +85C operating temperature range. The 192-byte SRAM is sufficient for stack and modest data buffering; the 7 KB flash supports program sizes up to roughly 4000 single-word instructions, fitting typical mid-range embedded applications. Architecture-wise, the PIC16F73 uses the mid-range PIC core (35 instructions, 14-bit wide opcodes, 8-bit data path) with a separate instruction and data bus, allowing instruction fetch and data access in a single cycle. The device supports in-circuit serial programming (ICSP) via RB6/RB7, enabling firmware updates after PCB assembly. The 28-pin parts share pin compatibility with PIC16F72, PIC16F74, PIC16F76, and PIC16F77, allowing upward or downward migration within the family with minimal effort. Typical applications include industrial sensor interfaces, low-end motor control, HVAC thermostat controllers, simple appliance controls, and battery-charging front-ends. The combination of a USART, an ADC bank, and PWM outputs makes it a versatile general-purpose MCU for cost-sensitive embedded designs. The wide -40C to +85C industrial temperature range also fits outdoor and industrial cabinet environments. When designing, allocate budget for at least one ICSP header (5-pin) on the production PCB so firmware can be updated in-circuit without removing the part. Ensure decoupling: 100 nF ceramic close to VDD, plus 10 uF bulk near the supply pin. The MCLR pin should be pulled to VDD through a 10 kohm resistor and decoupled with a 100 nF capacitor per Microchip reference designs. This page synthesizes distributor pricing, drop-in pin-compatible alternatives, and practical design notes not found in the manufacturer datasheet, helping engineers select and source the PIC16F73-I/SO with confidence.

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PIC16F73-I/SP - 8-Bit 20MHz Flash MCU | Microchip Technology
PIC16F73-I/SP

PIC16F73-I/SP - 8-Bit 20MHz Flash MCU | Microchip Technology

The Microchip Technology PIC16F73-I/SP is an 8-bit PIC microcontroller with 20 MHz maximum operating frequency, 7 KB of Flash program memory organized as 4K x 14 words, 22 I/O pins, and five 8-bit analog-to-digital converter channels, housed in a 28-pin SPDIP package. The device also provides 192 bytes of RAM, two additional timers, two capture/compare/PWM functions, and a configurable synchronous serial port supporting SPI or I2C communication. Its 28-pin SPDIP package is particularly useful for legacy industrial control, instrumentation, and prototype systems where through-hole soldering or socketed replacement is preferred. A microcontroller is a programmable semiconductor that integrates a processor core, memory, and peripherals into one device. The PIC16F73 belongs to the PIC16 family of 8-bit RISC microcontrollers and uses Flash memory for reusable application firmware. In the broader electronics hierarchy, it is a microcontroller IC rather than a discrete logic component, combining digital control, analog measurement, timing, and serial communication in a single package. The PIC16F73-I/SP provides five 8-bit A/D channels for measuring analog signals, two additional timers beyond the basic timer resources, and two capture/compare/PWM modules. Its synchronous serial port can operate as either a three-wire SPI interface or a two-wire I2C bus, while a USART supports asynchronous serial communication. These peripherals reduce the need for external interface devices when connecting sensors, converters, displays, actuators, or other embedded-control equipment. The -I/SP ordering combination identifies the industrial temperature grade, Flash-memory technology, and SPDIP package according to Microchip's part-number convention. The MCU is designed around an 8-bit PIC architecture and can operate at frequencies up to 20 MHz. Its five A/D channels are an important limitation to consider when comparing it with newer MCUs that offer higher converter resolution or more channels. The 4K x 14-word Flash organization determines the available instruction-word program capacity, while 192 bytes of RAM support working variables and stack-related storage requirements. Typical uses include industrial controllers, motor and actuator control, data acquisition modules, instrumentation, appliance controls, and educational embedded systems. SPI or I2C connectivity allows the PIC16F73 to communicate with sensors and peripheral ICs, while USART connectivity is useful for host-controller links. The 28-pin SPDIP footprint also simplifies inspection, rework, and field replacement compared with fine-pitch surface-mount packages. Designers should verify oscillator, reset, I/O, and programming details against the Microchip datasheet before replacing an existing PIC16C73-based design. Flash-versus-EPROM programming differences can require tooling or firmware changes even when the package and many peripheral functions are similar. The manufacturer documentation should also be consulted for exact peripheral mappings, electrical limits, and the device's specified operating temperature range. This page consolidates verified manufacturer and distributor information, package-specific alternatives, comparative parameters, and practical replacement guidance. It is designed to help engineers distinguish true pin-compatible choices from functionally similar MCUs that may require firmware, tooling, or hardware changes.

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PIC16F73-I/SS - 8-Bit 20MHz Microcontroller | Microchip Technology
PIC16F73-I/SS

PIC16F73-I/SS - 8-Bit 20MHz Microcontroller | Microchip Technology

The Microchip Technology PIC16F73-I/SS is an 8-bit CMOS FLASH-based PIC microcontroller with a 20 MHz maximum speed, 7 KB of program memory, 22 I/O pins, and a 28-pin SSOP package. The verified distributor listing identifies 4K x 14 words of FLASH memory and Mouser identifies 192 bytes of RAM. The -I grade indicates the industrial temperature class, while /SS identifies the SSOP package option. A PIC microcontroller is a programmable controller integrated with CPU, memory, timers, serial interfaces, and I/O in one semiconductor package. Within the product hierarchy, the PIC16F73 belongs to the PIC16 family of 8-bit RISC microcontrollers and combines a compact instruction set with dedicated hardware peripherals. This makes the device a general-purpose embedded-control platform rather than a simple fixed-function logic component. Verified features include five 8-bit analog-to-digital converter channels, two additional timers, two capture/compare/PWM functions, and a synchronous serial port configurable for three-wire SPI or two-wire I²C. The same synchronous serial port can support the USART according to the manufacturer product page. These peripherals reduce external hardware requirements for sensing, timing, motor or PWM control, and communications. The PIC16F73 is based on Microchip’s PIC architecture and supports execution described in verified source material as 200 ns per instruction, with only 35 single-word instructions. Its CMOS FLASH-based design permits in-system programming and reusable firmware development, while the 8-bit CPU is suited to embedded control, instrumentation, simple data acquisition, and communication-enabled products. Typical applications include industrial sensor controllers, compact data-acquisition systems, serial bridges, timing modules, and low-cost embedded control boards. The 22 I/O pins provide substantial external connectivity for sensors, displays, relays, actuators, and logic interfaces. Designers should verify the exact package pinout, power limits, timing values, and peripheral configuration from the manufacturer datasheet before final PCB release. A key design consideration is pin planning: the 28-pin SSOP footprint must be mapped carefully against the selected oscillator, programming interface, analog inputs, serial pins, and I/O direction requirements. Because the supplied data does not provide a complete verified electrical table, unverified values are marked for engineering follow-up rather than inferred from the MCU family. This product page combines verified distributor and manufacturer information with an explicit distinction between documented facts and missing engineering data. That approach supports faster sourcing and design review while avoiding unsupported assumptions about memory, timing, compliance, or replacement behavior.

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PIC16F737-E/ML - 8-bit 20MHz 7KB Flash MCU 28-QFN | Microchip
PIC16F737-E/ML

PIC16F737-E/ML - 8-bit 20MHz 7KB Flash MCU 28-QFN | Microchip

The Microchip Technology PIC16F737-E/ML is an 8-bit RISC CMOS Flash microcontroller in a 28-pin QFN (6x6 mm) package with exposed pad, featuring 7KB (4K x 14) of Flash program memory, 11 channels of 10-bit Analog-to-Digital conversion, and a 20 MHz instruction clock. The '-E' suffix denotes the Extended operating temperature range of -40C to +125C, while 'ML' identifies the 28-pin QFN package variant of the PIC16F737 family. An 8-bit PIC microcontroller is a Harvard-architecture RISC processor widely used in embedded control for its deterministic instruction set, low power consumption, and broad peripheral integration. The PIC16F737 belongs to Microchip's mid-range PIC16F family, sitting hierarchically within: microcontroller -> embedded MCU -> 8-bit MCU -> CMOS Flash MCU -> PIC16F mid-range family. It executes one instruction per instruction cycle (4 clock periods), enabling 200 ns instruction time at 20 MHz, and is object-code compatible with the PIC16C5X, PIC12CXXX and PIC16C7X legacy families for migration ease. Key features include 3 Capture/Compare/PWM (CCP) peripherals for motor and lighting control, a Master Synchronous Serial Port configurable as 3-wire SPI or 2-wire I2C, an enhanced USART with RS-485 support, 2 analog comparators, nanoWatt Technology for low-power sleep modes, and a programmable brown-out reset. The 28-QFN package supports the integrated ADC, timers, and PWM outputs while exposing an EP for thermal dissipation in space-constrained layouts. Typical applications include industrial control panels, HVAC damper and fan controllers, low-end motor drives, smart sensor signal conditioning, automotive body electronics (non-safety), battery chargers, and small home appliances. The Extended temperature grade and nanoWalt Technology make it suitable for thermally demanding and energy-budgeted designs that must run from a single-cell battery or regulated rail. When designing with this device, follow Microchip's recommended decoupling of 100 nF plus 10 uF near VDD, place the exposed pad to a continuous ground plane for thermal sinking, and use MPLAB X IDE with the XC8 compiler for code development. Program the device via ICSP using PGED1/PGEC1 pins, leaving adequate trace length to keep programming headers outside densely-routed areas.

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PIC16F737-E/SP - 8-bit MCU, 7KB Flash, 20MHz, 28-SPDIP | Microchip
PIC16F737-E/SP

PIC16F737-E/SP - 8-bit MCU, 7KB Flash, 20MHz, 28-SPDIP | Microchip

The Microchip Technology PIC16F737-E/SP is an 8-bit CMOS Flash-based microcontroller in the PIC16 mid-range family, delivering 7 KB of program Flash memory and 368 bytes of RAM at a 20 MHz maximum CPU clock. Housed in a 28-pin SPDIP (Skinny Plastic DIP) through-hole package, it integrates 25 I/O pins, three timers, three Capture/Compare/PWM (CCP) modules, and a 10-bit Analog-to-Digital Converter with 11 input channels. An 8-bit microcontroller is a single-chip computer built around an 8-bit data path and a reduced instruction set computing (RISC) architecture; PIC16 mid-range devices fall within the hierarchy 8-bit microcontroller -> PIC16 mid-range family -> nanoWatt power-managed MCU -> semiconductor. These parts are widely used for embedded control where deterministic interrupt response, low power consumption, and a familiar development ecosystem matter more than raw computational throughput. Key features of the PIC16F737-E/SP include nanoWatt power management for sleep currents as low as a few microamps, an enhanced synchronous serial port configurable for SPI or I2C, a USART with RS-485 support, and an internal oscillator option. The part also supports in-circuit serial programming (ICSP) and in-circuit debugging (ICD), enabling field upgrades and lowering development-tooling cost for low-volume production. The Extended (-E) temperature grade targets industrial environments. Architecturally, the device uses a Harvard RISC core with 35 single-word instructions and a 14-bit instruction word, achieving roughly 200 ns instruction execution at 20 MHz. The 10-bit ADC runs up to 11 channels with selectable reference, while the three CCP modules provide PWM resolution suitable for motor control and lighting. The nanoWatt technology, plus selectable oscillator modes (external RC, external crystal, internal 8 MHz / 31 kHz / 32 kHz-125 kHz ranges), lets designers tune active and sleep current to the application. Typical applications for the PIC16F737-E/SP include industrial sensor interfaces with multi-channel ADC sampling, low-power battery-operated remote controls, motor and lighting PWM control loops, and appliance front-panel controllers. The USART plus RS-485 support also suits it for half-duplex industrial fieldbus nodes. When designing with this part, mind the oscillator selection trade-off: the internal RC eliminates external crystals but adds frequency tolerance of typically +/-1-2 percent; choose an external crystal if UART baud accuracy or timing-sensitive capture measurements are required. The 28-SPDIP package has a thermal resistance suitable for normal industrial ambient temperatures without active cooling. This page consolidates distributor pricing, drop-in alternatives, and practical design notes for the PIC16F737-E/SP not found in the standalone manufacturer datasheet, supporting both component engineers and BOM managers.

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PIC16F737-E/SS - 8-bit MCU 7KB Flash 28-SSOP | Microchip
PIC16F737-E/SS

PIC16F737-E/SS - 8-bit MCU 7KB Flash 28-SSOP | Microchip

The Microchip PIC16F737-E/SS is an 8-bit CMOS Flash-based microcontroller IC delivering 20 MHz performance with 7 KB (4K x 14) of program memory in a 28-pin SSOP surface-mount package. The 'E' suffix designates the extended temperature grade operating from -40 C to +125 C, making it suitable for industrial and automotive under-hood environments. The device combines a RISC instruction set with nanoWatt power-management technology, giving engineers a flexible mid-range microcontroller platform for embedded control. A microcontroller (MCU) is a single-chip computer containing a CPU core, non-volatile program memory (Flash), volatile working memory (RAM), and a set of programmable peripherals such as timers, ADCs, and communication interfaces. Within the broader taxonomy, the PIC16F737 belongs to the PIC16 family of mid-range microcontrollers, which itself sits under the 8-bit MCU category and the wider semiconductor hierarchy of embedded processors. MCUs are distinguished from microprocessors by integrating memory and peripherals on-die, eliminating the need for external bus and storage components. Key features of this variant include 11 channels of 10-bit Analog-to-Digital conversion, three timers, three Capture/Compare/PWM modules, a synchronous serial port configurable as either 3-wire SPI or 2-wire I2C, and a USART for asynchronous serial communication. The device also integrates two analog comparators and nanoWatt Technology for dynamic power reduction during idle states. These peripherals collectively support mixed-signal embedded designs without requiring external components. Technically, the PIC16F737 implements a Harvard-architecture RISC core with 35 single-word instructions and a 14-bit instruction width, providing deterministic execution at up to 200 ns per instruction. The Flash program memory supports in-circuit serial programming (ICSP), allowing firmware updates on assembled boards. The 28-SSOP package offers a compact 0.65 mm pitch footprint suitable for high-density PCB layouts while remaining hand-solderable for prototyping. Typical applications include industrial control and instrumentation, automotive body and chassis subsystems, consumer appliance controls, sensor conditioning nodes, and battery-powered remote monitoring. The wide operating temperature range and integrated analog peripherals make it especially well-suited for closed-loop control loops that require on-chip ADC and PWM in a single IC. When designing with this part, evaluate whether the 7 KB Flash and 368-byte RAM budget is sufficient for the target firmware; code that exceeds 7 KB requires migration to the PIC16F767 (14 KB) or PIC16F777 family. The 28-SSOP package is pin-compatible with several PIC16F72x and PIC16F87x family members, simplifying last-minute silicon changes. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not found in the manufacturer datasheet. All data was last verified against current distributor inventories and the manufacturer product page.

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PIC16F737-I/SO - 8-bit 20MHz 7KB Flash MCU | Microchip | 28-SOIC
PIC16F737-I/SO

PIC16F737-I/SO - 8-bit 20MHz 7KB Flash MCU | Microchip | 28-SOIC

The Microchip Technology PIC16F737-I/SO is an 8-bit CMOS Flash-based microcontroller built on the PIC16 enhanced mid-range core, delivering 20MHz operation, 7KB (4K x 14) of Flash program memory, and 368 bytes of RAM in a 28-pin SOIC package. Per the Microchip product page, the device integrates 11 channels of 10-bit Analog-to-Digital conversion, three timers, three Capture/Compare/PWM peripherals, a synchronous serial port configurable as 3-wire SPI or 2-wire I2C, a USART, and two analog comparators. The /SO suffix denotes the 28-pin Small Outline IC package and the -I temperature grade covers the industrial -40C to +85C range. A PIC microcontroller is a compact programmable processor that integrates a CPU, non-volatile program memory, RAM, and peripherals onto a single silicon die. The PIC16F family sits in Microchip's mid-range tier, between baseline (PIC10/PIC12/PIC16F5x) and high-performance (PIC18/PIC24) families, and is widely used in cost-sensitive embedded designs. Within the broader taxonomy, a PIC MCU belongs to the class of microcontrollers, which are a subset of microprocessors and ultimately of semiconductor integrated circuits. The PIC16F737 specifically targets designs needing more analog and serial peripherals than entry-level parts but without migrating to a 16-bit core. Key differentiating specifications include 25 digital I/O pins, 10-bit ADC with 11 input channels, nanoWatt Technology for low-power operation, and an operating voltage range of 2.0V to 5.5V. The 28-pin SOIC package offers a 7.5mm body width suitable for hand-soldering and breadboard prototypes while still supporting production volume assembly. The PIC16F737 employs Harvard architecture with a 14-bit instruction word and 8-bit data path, allowing single-cycle instruction execution except for branches. nanoWatt Technology features such as alternate oscillator modes, sleep current down to the nanoamp range, and selectable wake-up sources make this part appropriate for battery-powered and energy-harvesting applications. Typical applications include industrial control and sensor conditioning, HVAC and home appliance interfaces, automotive body electronics, battery chargers, and consumer white goods. Its combination of abundant analog inputs and serial communication options suits motor control, lighting control, and remote sensor node designs. When designing with this part, plan the oscillator configuration early because the internal oscillator accuracy (typically +/-1% to +/-2%) is adequate for UART but not for USB or CAN. The ICSP/ICD pins (RB6/RB7) must be reserved for in-circuit programming, even in production layouts. This page synthesizes distributor pricing, drop-in alternatives from the same Microchip PIC16F family, and practical design notes not found in the manufacturer datasheet alone.

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PIC16F737-I/SP - 8-Bit 20MHz 7KB Flash MCU 28-SPDIP | Microchip
PIC16F737-I/SP

PIC16F737-I/SP - 8-Bit 20MHz 7KB Flash MCU 28-SPDIP | Microchip

The Microchip PIC16F737-I/SP is an 8-bit CMOS flash-based microcontroller in the PIC16 family, packaged in a 28-pin SPDIP (SP) through-hole package and rated for the industrial temperature range (-40C to +85C). It executes instructions at 200 ns per cycle from a 20 MHz oscillator and integrates 7 KB of flash program memory, 368 bytes of RAM, and 256 bytes of EEPROM data memory on-chip. What is a PIC16 microcontroller? The PIC16 is Microchip's mid-range 8-bit microcontroller family using a RISC instruction set with 35 single-word instructions. PIC16F-series parts add on-chip flash for reprogrammable firmware development, sit between the baseline PIC10/12/16 families and the higher-end PIC18/PIC24 families, and target embedded applications requiring deterministic real-time control with low power consumption via nanoWatt technology. The F-variant Flash program memory enables in-circuit serial programming (ICSP) for in-field firmware updates, while peripherals such as A/D converters, timers, and serial interfaces allow direct interfacing with sensors, displays, and communication buses without external glue logic. Key features of the PIC16F737-I/SP include 11 channels of 10-bit Analog-to-Digital conversion, 3 timers, 3 Capture/Compare/PWM modules, a Master Synchronous Serial Port configurable as SPI or I2C, an enhanced USART with support for RS-485 and LIN, dual analog comparators, and nanoWatt power management for sleep currents under 1 uA typical. The 28-SPDIP package is the most popular through-hole form factor in the PIC16 mid-range family, enabling easy breadboarding and hand-soldered prototyping. Peripherals share a 25-pin I/O budget across two ports (PORTA, PORTB, PORTC) with individual interrupt-on-change capability on PORTB. Internally, the PIC16F737 uses a 14-bit instruction word with a Harvard architecture separating program and data buses, a hardware multiplier (8x8 in one cycle), and an 8-level deep hardware stack. The 10-bit A/D converter multiplexes across 11 input channels with selectable reference voltages, supporting ratiometric measurements directly from sensor bridges and potentiometers. The MSSP peripheral supports both I2C master/slave with 7/10-bit addressing and SPI master/slave modes, while the EUSART provides asynchronous and synchronous serial with auto-baud detection. nanoWatt technology dynamically reduces operating current through clock switching, sleep with peripheral activity monitoring, and selective peripheral disable. Typical applications include industrial process control and sensor monitoring (using the 10-bit A/D), automotive body electronics and HVAC control (using PWM and LIN-compatible EUSART), consumer appliance user interfaces and motor control (using CCP modules), battery-powered instrumentation (using nanoWatt sleep), and educational/development platforms for embedded programming with the PIC instruction set. The combination of through-hole SPDIP packaging and ICSP programming makes the PIC16F737-I/SP particularly suitable for low-volume production, prototypes, hobbyist projects, and educational kits where hand-soldering is preferred. When designing with the PIC16F737-I/SP, ensure the ICSP programming connector pinout (RB6/RB7 plus MCLR/VPP, VDD, VSS) is brought out to a header for in-circuit firmware updates. Decouple VDD with a 100 nF ceramic capacitor placed within 5 mm of the package pin, and provide bulk decoupling if driving multiple high-current loads from the I/O pins. For timing-critical applications, use a crystal oscillator rather than the internal RC oscillator to guarantee accurate baud rates and ADC clock periods. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes for the PIC16F737-I/SP that are not available on a single manufacturer or distributor page, enabling engineers to compare and select the part with confidence.

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PIC16F737-I/SS - 8-Bit 20MHz 7KB Flash MCU 28-SSOP | Microchip
PIC16F737-I/SS

PIC16F737-I/SS - 8-Bit 20MHz 7KB Flash MCU 28-SSOP | Microchip

The Microchip Technology PIC16F737-I/SS is an 8-bit RISC flash microcontroller (MCU) running at up to 20 MHz, with 7 KB (4K x 14) of Flash program memory and 368 bytes of SRAM, housed in a 28-pin Shrink Small Outline Package (SSOP). According to the Microchip product page, the device integrates 11 channels of 10-bit Analog-to-Digital (A/D) conversion, three timers, three Capture/Compare/PWM (CCP) modules, an enhanced synchronous serial port that supports both 3-wire SPI and 2-wire I2C, and a Universal Asynchronous Receiver/Transmitter (USART/ AUSART). What is an 8-bit flash microcontroller? An 8-bit flash microcontroller is a single-chip computer built around an 8-bit data-path CPU, with non-volatile Flash program memory that can be re-programmed in-circuit. The PIC16F737 belongs to the PIC16F family of microcontrollers, which itself is a sub-family of the broader microcontroller category that sits within the semiconductor and embedded computing hierarchy. These devices are used wherever a low-power, deterministic, low-cost processor is needed to read sensors, drive actuators, and exchange data over standard serial interfaces. Key features of the PIC16F737-I/SS include nanoWatt power management for sleep-mode currents as low as the manufacturer-specified low-nA range, a wide 2.0 V to 5.5 V operating voltage range, 25 I/O pins with high-current sink/source capability, an internal oscillator option to reduce external component count, and in-circuit serial programming (ICSP) for field updates. The 10-bit ADC and three CCP modules make the part particularly suitable for closed-loop control. The PIC16F737 uses Microchip's enhanced mid-range 8-bit core with a hardware multiplier and 14-bit instruction word, supporting 35 instructions including hardware multiply. The 28-pin SSOP package exposes 25 digital I/O lines that can be multiplexed with the analog inputs, CCP outputs, and serial peripheral pins, giving designers significant board-level flexibility in a compact 5.30 mm body. Typical applications include consumer appliance control, industrial sensor interfaces, low-end motor control via CCP/PWM, battery-powered measurement instruments that benefit from nanoWatt sleep modes, and automotive body-electronics sub-modules (PIC16F737, not the -Q1 grade, which is the AEC-Q100 variant). The USART and SSP peripherals also enable bridging to RS-232/RS-485 networks and SPI/I2C sensor chains. When designing with the PIC16F737-I/SS, ensure that decoupling (a 100 nF ceramic placed within 5 mm of VDD and a bulk capacitor on the board) is provided, that unused I/O pins are configured as outputs to minimize sleep current, and that the MCLR pin is pulled high through the recommended 10 kohm resistor for normal operation. The internal oscillator can be selected at 8 MHz or lower to reduce BOM cost in cost-sensitive designs. This page synthesizes distributor pricing, drop-in and same-package alternatives, and practical design notes that are not compiled in a single place on the manufacturer datasheet or distributor product pages.

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PIC16F737T-I/SO - 8-Bit 20MHz MCU 7KB Flash 28-SOIC | Microchip
PIC16F737T-I/SO

PIC16F737T-I/SO - 8-Bit 20MHz MCU 7KB Flash 28-SOIC | Microchip

The Microchip Technology PIC16F737T-I/SO is an 8-bit CMOS FLASH-based microcontroller from the PIC16F family, delivering 20 MIPS (200 ns instruction execution) through its RISC architecture in a 28-pin SOIC package. It integrates 7KB (4K x 14) of program FLASH memory, 368 bytes of RAM, and 256 bytes of EEPROM, with 25 digital I/O pins. The device supports 11 channels of 10-bit Analog-to-Digital conversion, 3 timers, 3 Capture/Compare/PWM modules, and runs from a 2.0V to 5.5V supply. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory, working RAM, and programmable peripheral blocks on a single silicon die. PIC16F-series MCUs sit at the mid-range of Microchip's 8-bit PIC architecture portfolio, sitting above baseline PIC10/12/16 and below enhanced PIC18 in code density and peripheral complexity. The 'F' suffix indicates FLASH program memory, which is in-circuit reprogrammable via ICSP (In-Circuit Serial Programming), enabling firmware updates without UV erasure. Key features of the PIC16F737 include a hardware USART for asynchronous serial communication, MSSP (Master Synchronous Serial Port) supporting both SPI and I2C master/slave modes, nanoWatt technology for low-power sleep modes down to sub-microamp currents, and a programmable brown-out reset (BOR) with selectable trip voltages. The 10-bit ADC supports up to 11 input channels with selectable reference voltages, while the three CCP modules can each operate in Capture, Compare, or PWM mode for motor control, signal timing, or LED dimming. The PIC16F737/767/747/777 family shares the same core architecture and instruction set, scaling mainly in pin count (28-pin vs 40/44-pin) and available I/O. The PIC16F737 specifically ships only in 28-pin packages, making it footprint-compatible with PIC16F767 and the smaller PIC16F73. The nanoWatt technology extends battery life in sleep applications by orders of magnitude compared to legacy PIC16C5X devices. Typical applications include industrial sensor interfacing with analog front ends, consumer white goods with user interfaces, low-end motor control loops using PWM, battery-operated sensor nodes with sleep duty cycling, and educational development platforms. The ICSP interface allows field firmware updates on deployed units, reducing service costs across product lifecycle. When designing with this MCU, budget oscillator and timing margins carefully across the industrial -40C to +85C operating range. The 25 I/O pins share with analog and peripheral alternate functions, so consult the pinout table to avoid conflicts between ADC inputs and digital-only functions. This page synthesizes distributor pricing tiers, drop-in package alternatives, and practical design considerations not found in a single manufacturer datasheet.

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PIC16F737T-I/SS - 20MHz 8-bit MCU 7KB FLASH 28-SSOP | Microchip
PIC16F737T-I/SS

PIC16F737T-I/SS - 20MHz 8-bit MCU 7KB FLASH 28-SSOP | Microchip

The Microchip PIC16F737T-I/SS is a CMOS FLASH-based 8-bit PIC microcontroller with 7KB (4K x 14 words) of program memory and 368 bytes of RAM, packaged in a 28-pin SSOP (5.30mm body width) and supplied on tape-and-reel for high-volume assembly. It executes instructions in 200 ns (20 MHz oscillator) and supports the 35-word PIC16 instruction set, providing full upward compatibility with PIC16C5X, PIC12CXXX, and PIC16C7X devices. Operating voltage spans 2.0V to 5.5V across an industrial temperature range of -40C to +85C. A microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory, working RAM, and peripheral I/O on one die. The PIC16F737 sits in the PIC16 mid-range family, one tier above baseline PIC10/12/14 devices and below PIC18/dsPIC performance parts. PIC microcontrollers are commonly categorized by bit-width (8-bit), memory technology (FLASH), and family tier (base-line, mid-range, enhanced mid-range, PIC18). Within Microchip's portfolio, PIC16F parts are widely used in cost-sensitive embedded control where deterministic execution and a small footprint matter more than raw MIPS. Key features of the PIC16F737 include 11 channels of 10-bit Analog-to-Digital conversion, three timers, three Capture/Compare/PWM modules, an Enhanced USART with LIN support, and nanoWatt power-management technology for low standby current. The 25 I/O pins provide ample GPIO for sensor interfacing, pushbuttons, LEDs, and serial busses. The 28-SSOP package offers thermal resistance of approximately 90 C/W and an exposed footprint compatible with hand-soldered prototypes and SMT production lines alike. The PIC16F737's nanoWatt features (Sleep mode, internal oscillator, dynamic switching between primary and timer1 oscillator) let it draw only micro-amps in standby, suiting battery-powered or energy-harvesting applications. The 11-channel 10-bit ADC supports up to 30 ksps conversion with acquisition time selectable via software, allowing direct connection to potentiometers, thermistors, current-sense resistors, and battery-voltage monitors. Hardware PWM on three CCP channels simplifies dimming, motor-control, or power-converter feedback loops without CPU overhead. Typical applications include consumer appliance control (white goods, HVAC user interfaces), battery chargers, automotive interior accessories (where AEC-Q100 is not required), industrial sensor transmitters, and educational/hobby embedded projects using MPLAB X IDE and the free XC8 compiler. The wide 2.0-5.5V Vdd range allows direct connection to a single Li-ion cell or a regulated 5V rail. The internal 8 MHz oscillator can be trimmed to 1% accuracy with the OSCTUNE register, eliminating an external crystal in many designs and reducing BOM cost. When designing with the PIC16F737, place Vdd/Vss decoupling capacitors (100 nF plus 10 uF bulk) within 5 mm of the supply pins, route the MCLR pull-up with a short trace to avoid noise-induced resets, and follow Microchip's recommended ICSP connector layout to retain in-circuit programming and debugging with tools such as PICkit 3, PICkit 4, MPLAB ICD 3, or MPLAB ICD 4. The nanoWatt Sleep mode combined with WDT wake-up enables decade-long battery life in remote sensors, but verify Sleep current against your specific Vdd and temperature corner before committing. This page synthesizes distributor pricing, parametric drop-in alternatives, and practical design notes that complement but go beyond the manufacturer datasheet content.

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PIC16F73T-E/SO - 8-Bit 20MHz 7KB Flash MCU | Microchip 28-SOIC
PIC16F73T-E/SO

PIC16F73T-E/SO - 8-Bit 20MHz 7KB Flash MCU | Microchip 28-SOIC

The Microchip Technology PIC16F73T-E/SO is a CMOS FLASH-based 8-bit microcontroller from the PIC16F mid-range family that delivers 200 ns instruction execution in a 28-pin SOIC package. According to the Microchip product page, the device operates at up to 20 MHz clock speed, integrates 7 KB (4K x 14) of FLASH program memory, 192 bytes of RAM, and exposes 22 digital I/O pins. The PIC16F73T-E/SO belongs to the automotive/industrial -E temperature grade (-40C to +125C) and is supplied in tape-and-reel packaging (the "T" suffix). A PIC microcontroller is a RISC-based Harvard-architecture 8-bit MCU widely used for embedded control. The PIC16 family sits between the baseline PIC10/12/16 devices and the enhanced PIC18/dsPIC families, offering a balance of code density (only 35 single-word instructions), peripheral integration, and deterministic interrupt response for cost-sensitive control applications. Key features of the PIC16F73T-E/SO include 5 channels of 8-bit Analog-to-Digital conversion with additional timers, two 8-bit timers and one 16-bit timer, a USART for serial communication, a synchronous serial port (SSP) supporting SPI and I2C, and 5 channels of 8-bit PWM via the Capture/Compare/PWM (CCP) module. The 200 ns instruction execution enables tight control loops, while the in-circuit serial programming (ICSP) interface allows firmware updates without removing the device from the board. Architecture-wise, the device uses a 14-bit instruction word with separate program and data buses (Harvard), a hardware multiplier, and an 8-level deep hardware stack. Power management includes selectable oscillator modes (LP, XT, HS, RC) and a power-on reset (POR) / brown-out reset (BOR) circuit that holds the device in reset until Vdd stabilizes. Typical applications include automotive body electronics, motor control, sensor interfacing, white-goods control boards, and low-cost industrial control. The wide -E temperature range also makes the part suitable for outdoor industrial installations and under-hood automotive modules. When designing with the PIC16F73T-E/SO, observe the Vdd range of 2.0V to 5.5V and ensure decoupling capacitors (100 nF plus 10 uF) are placed within 5 mm of the Vdd pin. A 4.7 kohm pull-up on the MCLR pin is recommended for reliable reset behavior. This page synthesizes Microchip datasheet specifications, distributor pricing, drop-in PIC16F73 family alternatives, and practical design notes not duplicated on the manufacturer product page.

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PIC16F73T-E/SS - 8-bit MCU, 7KB Flash, 20MHz, 28-SSOP | Microchip
PIC16F73T-E/SS

PIC16F73T-E/SS - 8-bit MCU, 7KB Flash, 20MHz, 28-SSOP | Microchip

The Microchip Technology PIC16F73T-E/SS is a 35-instruction CMOS FLASH-based 8-bit PIC microcontroller built around Microchip's PIC16 architecture, supplied in a 28-pin SSOP package with industrial-grade temperature range support. The 'T' suffix denotes Tape and Reel packaging, while '-E/SS' designates the extended industrial temperature range and SSOP package option. According to the Microchip PIC16F73 family datasheet, the part integrates 7 KB of FLASH program memory (4K x 14 words), 192 bytes of RAM, 128 bytes of EEPROM data memory, and runs at up to 20 MHz instruction throughput (200 ns instruction cycle) while operating from 2.0 V to 5.5 V. The device exposes 22 digital I/O pins across PORTA, PORTB, and PORTC, plus a 5-channel 8-bit Analog-to-Digital converter, two 8-bit timers, one 16-bit timer/counter, a USART, MSSP (SPI/I2C), Capture/Compare/PWM module, and a programmable Watchdog Timer with on-chip RC oscillator. What is a PIC16F-series 8-bit microcontroller? The PIC16F family is Microchip's mid-range 8-bit MCU portfolio that combines a RISC-style Harvard architecture (separate program and data buses) with FLASH program memory, addressing 14-bit instructions across 35 single-word opcodes. Microcontrollers like the PIC16F73 belong to the broader category of embedded microcontrollers -> RISC microcontrollers -> 8-bit microcontrollers -> integrated circuits, and they sit beneath digital signal processors and 32-bit Cortex-M MCUs in performance but above pure logic ICs in capability. This positioning explains why mid-range PIC devices dominate cost-sensitive embedded control applications. Key differentiating features include the Harvard bus architecture (allowing simultaneous instruction fetch and data access), self-programmable FLASH via ICSP (In-Circuit Serial Programming), ICD (In-Circuit Debugger) support, nanoWatt power management with multiple sleep modes, and configurable PORTA weak pull-ups. The 28-SSOP package measures approximately 10.2 mm x 5.3 mm x 1.75 mm with 0.65 mm pin pitch, suiting both hand-solderable prototyping and high-density production boards. The PIC16F73 is upward code-compatible with the PIC16C5X, PIC12CXXX, and PIC16C7X device families, enabling developers to reuse firmware across multiple product generations. Its Harvard architecture, 8-level hardware stack, and predictable interrupt response make it well-suited to deterministic control loops. Engineering trade-offs include the 8-bit data path (which constrains arithmetic throughput versus 16/32-bit MCUs) and the modest 192-byte RAM (which limits buffer sizes for complex protocol stacks). Typical applications include industrial sensor conditioning, motor control and PWM driver front-ends, battery chargers, consumer appliances, HVAC thermostats, security panel keypads, and automotive body controllers (with the appropriate AEC-Q100 qualified -I or -E variants). The PIC16F73 family is also widely deployed in legacy designs, hobbyist projects, and educational platforms due to its mature MPLAB X toolchain, free XC8 C compiler, and decades of community support. When designing with the PIC16F73T-E/SS, ensure the ICSP clock and data lines (RB6/RB7) have adequate isolation from switching nodes and that the MCLR reset pin is decoupled according to the datasheet to avoid spurious resets. The device's low-power nanoWatt sleep modes (down to sub-microamp quiescent current with the WDT disabled) make it well-matched to battery-powered designs where average duty cycle dominates battery life. This page synthesizes Microchip official datasheet values, distributor pricing context, drop-in alternatives within the same 28-SSOP footprint, and practical design considerations not collected in any single manufacturer document.

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PIC16F73T-I/ML - 8-Bit 20MHz 7KB Flash MCU 28-QFN | Microchip
PIC16F73T-I/ML

PIC16F73T-I/ML - 8-Bit 20MHz 7KB Flash MCU 28-QFN | Microchip

The Microchip Technology PIC16F73T-I/ML is an 8-bit CMOS FLASH-based microcontroller built on Microchip's powerful PIC16 architecture, offered in a 28-pin QFN (ML) package with an exposed thermal pad. It delivers 20 MHz of processing throughput corresponding to a 200 ns instruction cycle, while integrating 7 KB of program FLASH (organized as 4K × 14 words), 192 bytes of RAM, and 22 digital I/O pins. The device supports an industrial operating voltage range of 2.5 V to 5.5 V. A microcontroller (MCU) is a programmable single-chip computer that integrates a CPU, memory, and peripherals onto a single silicon die. The PIC16F73 belongs to the PIC16F family of 8-bit RISC microcontrollers, which sits within the broader taxonomy of MCUs → embedded processors → semiconductors. The 'F' suffix denotes FLASH program memory, while the '16' indicates a 14-bit instruction width mid-range core with 35 single-word instructions and a simple register-based architecture that is upwards compatible with PIC16C5X, PIC12CXXX and PIC16C7X legacy parts. Key features of the PIC16F73T-I/ML include 5 channels of 8-bit Analog-to-Digital (A/D) conversion, three timers (Timer0, Timer1 and Timer2), a Universal Synchronous/Asynchronous Receiver Transmitter (USART) with a 9-bit addressable frame format, and a Master Synchronous Serial Port (MSSP) module supporting SPI and I2C. The device also integrates an 8-bit Parallel Slave Port on certain variants and provides power-managed modes for low-power applications. Architecturally, the PIC16F73 uses a Harvard-style RISC core with separate instruction and data buses, hardware stack, and a predictable single-cycle-per-instruction execution model that simplifies real-time control design. Its CMOS FLASH technology gives the MCU 100,000 erase/write cycle endurance with typical data retention in excess of 40 years, supporting field reprogrammability through ICSP. Typical applications for the PIC16F73T-I/ML include industrial control loops, sensor interfacing nodes, motor-drive front-ends, lighting controllers, automotive body electronics, consumer appliances, and remote-control units that need an industrial-temperature (-40 °C to +85 °C) MCU with on-chip ADC and USART. The compact 28-QFN (6 × 6 mm) footprint suits space-constrained designs such as handheld instruments. When designing with this part, pay attention to the decoupling network (a 0.1 µF ceramic capacitor close to VDD is essential), the ICSP programming pin assignments, and the choice of oscillator mode (HS, XT, LP, RC or INTIO) which directly affects current consumption. The exposed thermal pad must be soldered to a copper pour for mechanical and thermal reliability.

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PIC16F73T-I/SO - 8-Bit 20MHz Microcontroller | Microchip
PIC16F73T-I/SO

PIC16F73T-I/SO - 8-Bit 20MHz Microcontroller | Microchip

The Microchip Technology PIC16F73T-I/SO is an 8-bit CMOS FLASH-based PIC microcontroller with a 20 MHz maximum clock, 7 KB (4K × 14) program memory, and 192 bytes of RAM in a 28-pin SOIC package. It provides 22 general-purpose I/O lines, five 8-bit analog-to-digital converter channels, and an industrial temperature rating of -40°C to +85°C. A microcontroller is a compact embedded-control IC that integrates a processor core, program memory, data memory, I/O ports, timers, and analog peripherals into one device. The PIC16F73 belongs to the PIC16 family of 8-bit RISC microcontrollers and is positioned between simple fixed-function controllers and larger 16- or 32-bit processors. Its combination of FLASH program memory, compact packaging, and dedicated timers makes it useful for embedded control, measurement, and communication-interface products. Key features include 200 ns instruction execution, a 35-instruction single-word instruction set, five 8-bit ADC channels, and 22 general-purpose I/O lines. According to the Microchip manufacturer product page, the device is upward compatible with the PIC16C5X, PIC12CXXX, and PIC16C7X families. The -I temperature grade supports industrial environments, while the -T ordering suffix indicates tape-and-reel production packaging. Internally, the PIC16F73 combines a 4K-word FLASH program memory organized as 4K × 14 bits with 192 bytes of data RAM. The 14-bit program word supports a compact instruction set intended to reduce code density requirements. Its 20 MHz operating capability gives designers headroom for timing-sensitive control loops, event scanning, and peripheral servicing while retaining the straightforward programming model associated with 8-bit PIC devices. Typical applications include industrial sensor controllers, motor and actuator interfaces, small instrumentation products, and embedded communication equipment. The 22 I/O pins allow digital inputs, outputs, and port-based control functions to be distributed across a board. The five-channel 8-bit ADC supports basic analog measurement, while the additional timers provide timing resources for periodic sampling, pulse measurement, or motor-control sequencing. For PCB design, follow the manufacturer's 28-pin SOIC land pattern and keep the oscillator, reset, programming, and decoupling connections within the recommendations in the PIC16F73 datasheet. Validate startup and peripheral timing in the target firmware because the device's available timing budget changes with clock configuration, instruction mix, and interrupt latency. This page consolidates the PIC16F73T-I/SO device specifications, application guidance, pin-package information, and same-footprint replacement context into a focused engineering reference for MCU design, sourcing, and board bring-up.

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PIC16F73T-I/SS - 8-Bit 20MHz MCU 7KB Flash 28-SSOP
PIC16F73T-I/SS

PIC16F73T-I/SS - 8-Bit 20MHz MCU 7KB Flash 28-SSOP

The Microchip PIC16F73T-I/SS is an 8-bit CMOS Flash microcontroller in the PIC16F family, featuring 7KB of program Flash memory, 192 bytes of RAM, and 22 digital I/O pins in a 28-pin SSOP package. It executes instructions at a 20MHz clock rate (200ns instruction cycle) and operates across 2.0V to 5.5V. The integrated peripherals include a 5-channel 8-bit ADC, two 8-bit timer/counters and one 16-bit timer/counter, a universal synchronous/asynchronous receiver-transmitter (USART), and a capture/compare/PWM (CCP) module. A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory, and programmable I/O peripherals. The PIC16F73 belongs to Microchip's mid-range 8-bit PIC architecture, sitting between the baseline PIC10/12/16 family and the enhanced PIC18 family. Mid-range PIC MCUs use a 14-bit instruction word and 35 single-word instructions, with an 8-level hardware stack and a unified data/Flash memory map. They are widely adopted in cost-sensitive embedded designs that need deterministic real-time control, on-chip analog, and simple serial connectivity. Key features include 5 channels of 8-bit A/D conversion, an internal oscillator option for reduced BOM cost, an integrated USART for asynchronous/synchronous serial communication, and a CCP module for PWM or capture/compare timing. The Flash-based program memory supports in-circuit serial programming (ICSP), enabling in-system firmware updates without removing the part. Brown-out Reset (BOR) and Power-on Reset (POR) circuits protect against erratic supply conditions, and the Watchdog Timer (WDT) with on-chip oscillator improves system robustness. Architecturally, the device uses a Harvard architecture (separate program and data buses) implemented in CMOS with Microchip's nanoWatt power-management extensions. The Flash memory is rated for typically 100K erase/write cycles and 40 years of data retention. The peripheral feature set is tuned for embedded control rather than for high-throughput processing, which is why the part retains a small RAM and modest program-memory footprint. Typical applications include appliance controls, sensor signal conditioning, low-cost HVAC thermostats, lighting ballasts, automotive body modules (non-safety), battery chargers, and small industrial instrument front-ends. The combination of internal oscillator + 22 I/O + on-board ADC often eliminates external components, shrinking the bill of materials in volume production. When designing with this device, supply decoupling must be placed within 0.25 inch of VDD, and the MCLR reset line should be tied through a 10k pull-up to VDD unless driven by an external supervisor. The ICSP clock and data lines (RB6/RB7) must not be loaded with capacitance above the datasheet limit or in-circuit programming will fail. This page synthesizes distributor pricing, drop-in same-family alternatives, and practical design notes not found in the manufacturer datasheet or single distributor listing.

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PIC16F74-E/L - 8-Bit 20MHz PIC MCU 7KB Flash 44-PLCC | Microchip
PIC16F74-E/L

PIC16F74-E/L - 8-Bit 20MHz PIC MCU 7KB Flash 44-PLCC | Microchip

The Microchip Technology PIC16F74-E/L is an 8-bit PIC RISC flash microcontroller running up to 20MHz with 7KB (4K x 14) of on-chip program FLASH, packaged in a 44-pin PLCC (16.59x16.59 mm) and supplied in tube packaging. The part carries the -E (Extended) temperature grade for industrial operation and the /L lead-free PLCC package suffix. A microcontroller (microcontroller unit, MCU) is a single-chip computer that integrates a CPU core, program memory (ROM/FLASH), data RAM, working registers, and a rich set of peripherals (timers, ADC, communications) into a compact package that can be embedded directly into an electronic product. The PIC family uses a Harvard architecture with separate program and data buses, allowing instruction fetch and operand access to occur in the same cycle for deterministic throughput at low clock rates. PIC microcontrollers therefore sit in the hierarchy: microcontroller -> embedded processor -> semiconductor device, and they are typically deployed where deterministic timing, low cost, and low power are required. Key features of the PIC16F74 include 192 bytes of RAM, 33 digital I/O lines, an 8-channel 8-bit Analog-to-Digital converter (ADC), two 8-bit timers and one 16-bit timer, two Capture/Compare/PWM (CCP) modules, a synchronous serial port configurable as 3-wire SPI or 2-wire I2C, and a USART for asynchronous serial communications. The core supports 35 single-word instructions with a 200 ns instruction cycle at 20MHz, providing predictable execution for real-time control tasks. Architecturally, the PIC16F74 uses CMOS FLASH process technology with Microchip's nanoWatt power-managed sleep modes and a wide 2.5V-5.5V operating range. A 14-bit instruction word delivers compact code density, while the integrated brown-out reset and watchdog timer improve robustness in industrial environments. The 44-PLCC package exposes most peripheral pins, simplifying PCB layout compared to smaller-pin PIC16F7x cousins. Typical applications for the PIC16F74-E/L include industrial control systems, HVAC fan/valve controllers, security alarm panels, motor-control signal conditioning, and embedded instrumentation with the 8-bit ADC reading sensor inputs. The extended temperature grade makes it suitable for outdoor or factory-floor equipment. When designing with the PIC16F74, ensure that your programmer/debugger supports the 5V FLASH programming algorithm (e.g., MPLAB ICD or PICkit) and that decoupling caps of 0.1uF plus bulk 1-10uF are placed close to VDD/VDD2. For low-power designs, leverage the nanoWatt sleep modes to draw sub-microamp standby currents between ADC bursts. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the standalone manufacturer datasheet, with data traced to Microchip's official PIC16F74 product page and current distributor listings.

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PIC16F74-E/ML - 8-bit Flash MCU, 7KB, 33 I/O, 44-QFN | Microchip
PIC16F74-E/ML

PIC16F74-E/ML - 8-bit Flash MCU, 7KB, 33 I/O, 44-QFN | Microchip

The Microchip Technology PIC16F74-E/ML is a 28/40-pin, 8-bit CMOS Flash microcontroller built on Microchip's mid-range 14-bit instruction set architecture, housed in a 44-lead QFN (also referenced as 44-LCC J-Lead) surface-mount package and operating at up to 20 MHz. According to the Microchip datasheet (DS39592-family), it integrates 7 KB (4K x 14) of self-programmable Flash program memory, 192 bytes of data RAM, an 8-channel 8-bit Analog-to-Digital Converter (ADC), two Capture/Compare/PWM modules, two additional timers, a synchronous serial port configurable as either 3-wire SPI or 2-wire I2C, and a Universal Synchronous/Asynchronous Receiver/Transmitter (USART). What is an 8-bit Flash microcontroller? An 8-bit Flash microcontroller is a single-chip computer that executes instructions with 8-bit data width and stores its program in non-volatile Flash memory that can be erased and re-programmed in-circuit. It belongs to the broader hierarchy: microcontroller -> embedded controller -> semiconductor device. Flash-based MCUs dominate the mid-range and low-end embedded market because they combine in-system reprogrammability, low power consumption, deterministic real-time behavior, and a rich peripheral set for the price. Key features of the PIC16F74-E/ML include five I/O ports totaling 33 digital I/O lines, two 8-bit timers and one 16-bit timer, a programmable Watchdog Timer with its own on-chip RC oscillator for reliable operation, in-circuit serial programming (ICSP), and a wide 2.0 V to 6.0 V operating voltage range. The internal architecture is Harvard-style with separate program and data buses for predictable instruction throughput. Typical applications span industrial control panels, automotive body electronics, sensor interfacing, consumer appliances, and small-form-factor embedded products. The wide operating voltage range and robust peripheral set make the PIC16F74 a common choice for designers migrating from older PIC16C/PIC16F parts or building new cost-sensitive designs that do not require the larger memory of PIC18/PIC24 devices. Designers should note that the PIC16F74-E/ML operates from an external clock source up to 20 MHz. The on-chip ADC requires a stable VDD reference, and high-impedance input channels benefit from the dedicated analog input structure. Decoupling, oscillator layout, and ICD connection follow standard PICmicro mid-range guidelines referenced in the device datasheet. This page synthesizes distributor pricing, a same-family alternatives table, and practical design notes not found on a single manufacturer product page, giving engineers a one-stop comparison for this long-life 8-bit MCU.

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PIC16F74-E/P - 8-bit PIC MCU, 7KB Flash, 20MHz, 40-PDIP | Microchip
PIC16F74-E/P

PIC16F74-E/P - 8-bit PIC MCU, 7KB Flash, 20MHz, 40-PDIP | Microchip

The Microchip Technology PIC16F74-E/P is an 8-bit CMOS Flash-based microcontroller from the PIC® 16F mid-range family, housed in a 40-pin PDIP (Plastic DIP) through-hole package and qualified for the extended -40C to +125C operating temperature range, as indicated by the "E" temperature grade suffix. It features 7KB (4K x 14 words) of on-chip reprogrammable program memory, 192 bytes of RAM, and 33 digital I/O pins, with a maximum CPU clock rate of 20 MHz delivering up to 5 MIPS of instruction throughput. An 8-bit microcontroller (MCU) is a programmable computing IC that integrates a CPU, memory, and peripherals onto a single die. Within the MCU taxonomy the PIC16F74 belongs to the mid-range 14-bit instruction family (PIC16F), which sits above baseline 12-bit PIC10/12/12F parts and below the enhanced 16-bit PIC18 family. PIC16F mid-range devices target general-purpose embedded control in cost-sensitive industrial and consumer products where deterministic timing and low part count matter more than raw compute throughput. Key features include a 10-bit, 8-channel Analog-to-Digital Converter (ADC), two 8-bit timers with one 16-bit timer option, two Capture/Compare/PWM (CCP) modules, an SSP configurable as either 3-wire SPI or 2-wire I2C, a USART for asynchronous/synchronous serial, a parallel slave port, and nanoWatt power management with multiple sleep modes. The extended temperature grade (-40C to +125C) suits automotive under-hood, industrial, and outdoor installations. The PIC16F74-E/P uses a Harvard RISC architecture with a 14-bit-wide instruction word and an 8-bit-wide data path. Program execution is pipelined; instructions fetched in cycle N execute in cycle N+1, yielding near-1-MIPS-per-MHz efficiency. On-chip in-system self-programmable Flash allows field firmware updates via ICSP without removing the part from the board, while the ICD2/ICD3 debug interface supports breakpoint debugging through dedicated RB6/RB7 pins. Typical applications include industrial motor control, HVAC actuators, automotive body controllers, appliance controls (washing machines, dishwashers), uninterruptible power supplies (UPS), and instrumentation front-ends. The combination of 8-channel ADC, PWM, and USART makes it especially attractive for closed-loop control of small DC motors, solenoid drivers, and sensor-signal conditioning where single-chip integration reduces BOM. When designing with this device, remember that the parallel slave port shares pins with PORTD and PORTE, so using PSP mode forfeits those digital I/Os. Decouple VDD with a 100 nF ceramic capacitor placed within 5 mm of the pin, and add a 10 uF bulk capacitor on AVDD if the ADC is used. This page consolidates distributor pricing, drop-in alternatives, and practical design notes not found in the standalone manufacturer datasheet, with cross-references verified against Microchip device documentation as of 2026-09-21.

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PIC16F74-E/PT - 20MHz 8-Bit Flash MCU | Microchip
PIC16F74-E/PT

PIC16F74-E/PT - 20MHz 8-Bit Flash MCU | Microchip

The Microchip Technology PIC16F74-E/PT is an 8-bit CMOS flash microcontroller with a 20 MHz clock, 7 KB program memory organized as 4K x 14 words, 192 bytes of RAM, and 33 I/O pins. It operates from 2.5 V to 5.5 V and is supplied in a 44-pin TQFP package with a 0.50 mm pitch. The -E suffix identifies the extended-temperature device, while /PT identifies the 44-pin TQFP package and tape-and-reel ordering format. An 8-bit flash microcontroller is a compact embedded-control IC that combines a processor core, nonvolatile program memory, volatile data memory, and programmable peripherals on one semiconductor device. PIC16F74 belongs to the PIC16 microcontroller family within the broader embedded-controller and semiconductor hierarchy. This combination allows a board to execute control firmware while reading sensors, operating timers, driving digital outputs, and communicating with external circuits without a separate external program-memory device. Key features include an 8-channel, 8-bit analog-to-digital converter, two additional timers, two capture/compare/PWM functions, 192 bytes of RAM, and a 33-pin I/O arrangement. The synchronous serial port can operate as a three-wire SPI interface or a two-wire I²C interface, while the USART supports asynchronous serial communication. These peripherals allow the PIC16F74-E/PT to consolidate several common embedded functions into a single controller. The device uses a Harvard-style embedded architecture with separate program and data memories, and its 4K x 14-word flash organization provides 7 KB of on-chip program storage. The 20 MHz operating speed provides the timing headroom needed for control loops, serial protocols, and general-purpose embedded tasks. Because the MCU integrates flash memory, firmware is retained without an external EEPROM, while the 192-byte RAM supports variables, stack operations, and intermediate calculations. Typical applications include industrial control panels, instrumentation, motor and actuator control, temperature monitoring, sensor acquisition, and compact serial-interface equipment. Its 8-bit ADC is useful for reading analog sensors, while its timers and PWM functions support periodic control, dimming, or motor-drive functions. SPI or I²C can connect the MCU to sensors, displays, transceivers, or other digital peripherals, and the USART provides a straightforward interface for configuration and diagnostics. Designers should pay close attention to the 2.5 V to 5.5 V operating range and the voltage levels attached to its I/O pins. Decoupling, oscillator layout, programming access, and exposed-pad or thermal-management requirements should follow the manufacturer datasheet. This page synthesizes the verified manufacturer and distributor data, package information, commercial availability, and engineering guidance to support component selection and procurement.

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