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PIC16LC771/SS - 8-Bit 20MHz MCU 7KB OTP | Microchip
PIC16LC771/SS

PIC16LC771/SS - 8-Bit 20MHz MCU 7KB OTP | Microchip

The Microchip Technology PIC16LC771/SS is an 8-bit RISC microcontroller from the PIC PIC® 16C family, integrating 7 KB (4K x 14) of OTP program memory, 256 bytes of RAM, and 16 digital I/O pins in a 20-pin SSOP package. It executes instructions at up to 20 MHz from a 5 V supply, targeting general-purpose embedded designs that need a moderate code footprint with a low pin count. Per the verified distributor listings, the die is offered in an SSOP-20 (also called 20-SSOP, 5.30 mm body) surface-mount package qualified for the commercial temperature grade. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory (ROM/Flash/OTP), working RAM, and peripheral I/O on one die. Within the broader semiconductor taxonomy, an MCU sits inside the microcontroller -> embedded controller -> digital IC -> integrated circuit hierarchy. The PIC16LC771 belongs to Microchip's mid-range PIC16 family, which pioneered the Harvard RISC architecture, separate program and data buses, and OTP variants for low-volume or secure production runs where code masking is unnecessary. Key features include 7 KB (4K x 14) of OTP program memory, 256 bytes of data RAM, a hardware multiplier-free 8-bit ALU with single-cycle operations, an internal oscillator option, a 10-bit ADC (subject to datasheet confirmation), PWM/capture/compare peripherals, and an instruction set optimized for C and assembly code generation. The 20 MHz clock delivers up to 5 MIPS of throughput. Typical applications include low-power industrial sensor nodes, white-goods control boards, simple motor-control loops, metering front ends, and consumer appliances where cost per MCU and ease of programming outweigh the need for advanced peripherals. The SSOP-20 footprint also makes it attractive for retrofit designs originally built around legacy PIC16C7x silicon. When designing with the PIC16LC771, verify the OTP programming flow against your programmer (PICkit, ICD, MPLAB REAL ICE) and confirm the available peripheral set against your BOM. OTP parts cannot be re-programmed in-circuit, so plan programming fixtures accordingly. This page synthesizes distributor pricing, pin-to-pin compatible alternatives sourced from Microchip's own product family, and engineering notes not consolidated in the manufacturer datasheet itself, giving procurement and design engineers a single reference for evaluating the PIC16LC771/SS against current sourcing options.

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PIC16LC771T-E/SS - 8-Bit 20MHz 7KB OTP MCU | Microchip | 20-SSOP
PIC16LC771T-E/SS

PIC16LC771T-E/SS - 8-Bit 20MHz 7KB OTP MCU | Microchip | 20-SSOP

The Microchip Technology PIC16LC771T-E/SS is an 8-bit PIC microcontroller IC running at 20MHz with 7KB (4K x 14) of One-Time Programmable (OTP) program memory, 256 bytes of RAM, and housed in a 20-pin SSOP package. The 'LC' prefix indicates the low-voltage CMOS process variant of the PIC16C771 family, optimized for operation from 2.5V to 5.5V supplies. An 8-bit PIC microcontroller is a compact RISC-based processor that integrates CPU core, program memory (ROM/OTP/Flash), data RAM, peripherals such as timers, ADC, and communication interfaces onto a single chip. The PIC16C/PIC16LC architecture belongs to Microchip's mid-range 14-bit instruction word family, which offers a pragmatic balance between code density, deterministic interrupt response, and peripheral integration for embedded control applications. The 8-bit PIC microcontroller sits within the broader taxonomy: 8-bit MCU -> microcontroller -> embedded processor -> semiconductor IC. Key features of the PIC16LC771 include an integrated 12-bit Analog-to-Digital Converter (ADC) with up to 6 analog input channels, a USART module for asynchronous and synchronous serial communication, two 8-bit timers plus one 16-bit timer, a Capture/Compare/PWM (CCP) module, and an internal oscillator option that reduces external component count. The OTP memory is factory- or field-programmable exactly once and is typically used for low-to-medium volume production runs where Flash reprogrammability is not required. The PIC16LC771 uses a Harvard architecture with separate program and data buses, providing deterministic instruction execution - most instructions complete in one instruction cycle (4 clock periods) at the 20MHz maximum clock rate, yielding 5 MIPS throughput. The 14-bit instruction word and 8-bit data path produce compact code, while the integrated ADC and USART reduce total BOM cost and PCB area for instrumentation, sensor, and motor-control subsystems. Typical applications include industrial sensor signal conditioning, battery-powered portable instruments, automotive body controllers, low-speed data acquisition systems, HVAC thermostat control, and consumer appliance user-interface boards. The OTP memory makes it well suited for fixed-function products that ship identical firmware in volume. When designing with the PIC16LC771, select the LC variant specifically when the supply rail is in the 2.5V-5.5V range - the standard PIC16C771 requires 4.0V-6.0V. Place a 0.1uF decoupling capacitor close to VDD, and follow Microchip's recommended reset-circuit topology (typically a 10k pull-up on MCLR with a 0.1uF capacitor to ground) for reliable power-on behavior. This page synthesizes distributor pricing, drop-in PIC16LC/16F family alternatives, and practical design notes not consolidated in the manufacturer datasheet, enabling faster part selection for engineers evaluating legacy and current Microchip 8-bit PIC MCU options.

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PIC16LC771T-I/SO - 8-Bit 20MHz 7KB OTP MCU | Microchip
PIC16LC771T-I/SO

PIC16LC771T-I/SO - 8-Bit 20MHz 7KB OTP MCU | Microchip

The Microchip Technology PIC16LC771T-I/SO is an 8-bit RISC microcontroller from the PIC16 family, housed in a 20-pin SOIC (SO) package. It integrates a 20MHz core with 7KB (4K x 14 words) of One-Time Programmable (OTP) program memory, 256 bytes of data RAM, and a 12-bit Analog-to-Digital Converter (ADC). The device operates from 3.0V to 5.5V, supporting both 3.3V and 5V rails typical of low-power and industrial designs. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, RAM, non-volatile program memory, and peripherals around an 8-bit data bus. The PIC16 family uses a Harvard RISC architecture with separate program and data buses, enabling single-cycle instruction execution. Within Microchip's MCU portfolio, the PIC16LC771 belongs to the mid-range PIC16 family, sharing core peripherals with the PIC16C7x series but adding 12-bit ADC resolution for higher-precision analog measurement. This category of MCU bridges the gap between simple 8-bit controllers (PIC10/12/16) and 16-bit dsPIC devices. Key features include 12-bit ADC with up to 6 input channels, a USART module for asynchronous and synchronous serial communication, an SSP module supporting SPI and I2C, two 8-bit timers and one 16-bit timer/counter, and a 14-bit instruction word architecture optimized for compact code density. The 'LC' suffix designates the low-voltage CMOS variant, and the 'T' suffix denotes tape-and-reel packaging. The PIC16LC771T-I/SO is built on Microchip's standard CMOS process and runs at up to 20MHz, providing 5 MIPS performance. The 12-bit ADC (versus the 10-bit ADC found in the related PIC16C771) gives 4x finer conversion resolution for sensor and instrumentation applications. The integrated USART and SSP peripheral set makes the device suitable as a communications front-end controller in larger systems. Typical applications include industrial sensor signal conditioning, low-power data acquisition modules, battery-powered handheld instruments, and 3.3V/5V mixed-voltage control boards. The 'I' industrial temperature grade spans -40C to +85C. When designing with this MCU, observe the OTP programming constraint: code is written once and cannot be erased, so production units must use pre-programmed devices or in-circuit programming before final test. Ensure the MCLR reset circuit includes the proper pull-up and decoupling, and verify the oscillator configuration bits match the chosen crystal or resonator. This page synthesizes distributor pricing, pin-compatible drop-in alternatives, and practical design notes that complement the Microchip datasheet.

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PIC16LC771T-I/SS - 8-Bit MCU, 7KB OTP, 20MHz, 12-Bit ADC | Microchip
PIC16LC771T-I/SS

PIC16LC771T-I/SS - 8-Bit MCU, 7KB OTP, 20MHz, 12-Bit ADC | Microchip

The Microchip Technology PIC16LC771T-I/SS is an 8-bit PIC CMOS microcontroller in a 20-pin SSOP package, operating at up to 20 MHz with 7 KB (4K x 14) of One-Time Programmable (OTP) program memory and 256 bytes of RAM. It integrates a 12-bit A/D converter and 16 digital I/O pins, delivering a balance of analog performance and digital control for embedded designs. A microcontroller (MCU) is a single-chip computer that integrates a processor core, program memory, data memory, and peripherals on one IC. The PIC16LC77x family belongs to the broader PIC16 8-bit mid-range family, which sits inside the 8-bit MCU segment of the embedded hierarchy (8-bit MCU -> microcontroller -> embedded processor -> semiconductor IC). The PIC16LC771 specifically targets low-voltage operation (the "LC" prefix denotes a 3.3V nominal part). Key features include a 12-bit A/D converter (up to 16 channels depending on package), 16 I/O pins with individual direction control, USART, MSSP (SPI/I2C), two 8-bit timers plus one 16-bit timer, and an enhanced capture/compare/PWM module. The "L" designation indicates operation from 3.0V to 5.5V, suiting battery-powered or 3.3V regulated rails. The 20 MHz oscillator enables 200 ns instruction cycle throughput. The PIC16LC771 uses a Harvard-architecture RISC core with 35 single-word instructions. Its 12-bit ADC (successive approximation) provides up to 12 channels on the 20-pin package, with an internal sample-and-hold. The OTP memory allows one-time field programming - suitable for production runs but not for firmware updates. Typical applications include industrial control front-ends, instrumentation data acquisition, sensor signal processing, and HVAC system management. The 12-bit ADC and ample digital I/O make it well-suited for mixed-signal embedded products. When designing with this part, ensure the Vdd rail is decoupled with 100 nF ceramic at each supply pin and a bulk 10 uF tantalum. The MCLR pin must be pulled high through a 10 k resistor; do not leave it floating. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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PIC16LC771T/SS - 8-Bit 20MHz 7KB PIC16 MCU SSOP-20 | Microchip
PIC16LC771T/SS

PIC16LC771T/SS - 8-Bit 20MHz 7KB PIC16 MCU SSOP-20 | Microchip

The Microchip Technology PIC16LC771T/SS is an 8-bit RISC microcontroller from the PIC16C/PIC16LC family, featuring 7KB of One-Time Programmable (OTP) program memory (4K x 14 words) and a maximum CPU clock of 20MHz, packaged in a 20-pin Shrink Small-Outline (SSOP, 0.209 inch / 5.30mm width). The 'LC' suffix denotes the low-voltage CMOS process variant optimized for 3.3V operation, and the 'T' tape-and-reel orientation places this part in surface-mount production-friendly packaging. A microcontroller (MCU) is a single-chip computer that embeds a CPU, RAM, non-volatile program memory, and programmable I/O. The PIC16 family uses a Harvard-architecture 8-bit RISC core optimized for deterministic instruction execution, low power, and a compact instruction set; PIC16 devices typically sit in the hierarchy MCU -> 8-bit microcontroller -> PIC16 sub-family -> PIC16LC (low-voltage) sub-family, where the LC sub-family is targeted at 2.5V-3.6V battery-powered applications requiring moderate throughput. Program memory is OTP, meaning each chip can be written only once and is well suited to volume production runs where firmware has stabilized. Key features of the PIC16LC771T/SS include: 7KB (4K x 14) OTP program memory, 256 bytes of data RAM typical of mid-range PIC16 devices, 20MHz maximum oscillator frequency delivering up to 5 MIPS throughput, 20-bit wide instruction word for compact opcode encoding, and a 20-pin SSOP package for compact PCB layouts. The 'LC' variant also implies low-power operation versus standard 'C' parts, enabling battery-backed designs. Typical applications include industrial control nodes, sensor interface modules, low-cost consumer appliances, motor-control peripherals, white-goods user interfaces, and remote-control transmitters. The 20-pin count is well matched to designs needing 14-16 I/O lines plus oscillator and supply pins. When designing with the PIC16LC771T/SS, ensure the VDD range matches the 'LC' 2.5V-3.6V specification rather than 5V - using 5V will damage the part or cause out-of-spec operation. Plan firmware development with a PICkit or ICD programmer supporting OTP-windowed devices if re-spin is needed; for production runs, OTP enforces single-attempt programming. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the standalone manufacturer datasheet.

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PIC16LC773-I/SO - 8-bit MCU, 7KB OTP, 22 I/O, 28-SOIC | Microchip
PIC16LC773-I/SO

PIC16LC773-I/SO - 8-bit MCU, 7KB OTP, 22 I/O, 28-SOIC | Microchip

The Microchip PIC16LC773-I/SO is an 8-bit RISC microcontroller from the PIC PIC® 16C family, integrating 7KB (4K x 14) of One-Time-Programmable (OTP) program memory and 256 bytes of RAM in a 28-pin SOIC package. The core runs at 20 MHz (200 ns instruction cycle) across a 2.5 V to 5.5 V supply range, with 22 digital I/O lines organized across multiple ports. The 'LC' suffix denotes the low-power CMOS process, while the 'I' indicates the industrial -40 °C to +85 °C operating temperature grade. A microcontroller (MCU) is a single-chip computer containing a CPU core, non-volatile program memory (Flash/ROM/OTP/EPROM), working RAM, and peripheral blocks such as timers, ADC, communications controllers and I/O. The PIC16C family uses a Harvard RISC architecture with a small, deterministic instruction set, 14-bit instruction width and 8-bit data path. MCUs sit at the lowest layer of embedded electronics - beneath them are analog/mixed-signal ICs, and above them are higher-level processors and SoCs. The PIC16LC773 belongs to the mid-range (14-bit instruction) PIC16 family, suitable for control and human-interface applications where deterministic timing, low power and compact code size matter more than raw throughput. Key features include an integrated 12-bit ADC (a notable upgrade over the typical 10-bit ADC on earlier PIC16 devices), two 8-bit timers plus one 16-bit timer/counter, a Capture/Compare/PWM (CCP) module, a synchronous/asynchronous serial port (USART/SCI) and an SPI/I²C master/slave MSSP peripheral. The 22 I/O pins can source/sink up to 25 mA each, allowing direct drive of LEDs and small relays. On-chip brown-out reset (BOR), power-on reset (POR), watchdog timer (WDT) and an ICD-friendly in-circuit debugger interface support field reliability and development. The 'LC' CMOS process delivers low standby current suitable for battery-powered or sleep-dominated designs. The Harvard architecture with separate program/data buses prevents bus contention and contributes to the family's deterministic interrupt latency. The 12-bit ADC provides 4096 steps with up to 12 input channels multiplexed, enabling precision sensor reads without an external converter. Typical applications include industrial control panels, instrumentation front-ends, sensor signal conditioning, low-power remote keyless entry, white-goods user-interface boards, and small motor-control loops. The 12-bit ADC and 22 I/O make this part especially attractive for precision analog front-ends and mixed-signal I/O boards. When designing with PIC16LC773, plan the OTP programming step into your manufacturing flow - OTP parts can be programmed only once. For prototyping or small runs, choose the PIC16F877 (Flash) drop-in family; only commit to OTP after firmware is fully validated. Decoupling efficiency across VDD/VSS pairs is critical given the 12-bit ADC; place 100 nF ceramics within 5 mm of each supply pin. This page synthesizes distributor pricing, verified drop-in alternatives (same-brand PIC16C/LC family + cross-brand equivalents), and practical engineering guidance not found in the manufacturer datasheet.

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PIC16LC773-I/SP - 8-Bit MCU, 7KB OTP, 12-bit ADC | Microchip
PIC16LC773-I/SP

PIC16LC773-I/SP - 8-Bit MCU, 7KB OTP, 12-bit ADC | Microchip

The Microchip PIC16LC773-I/SP is an 8-bit RISC microcontroller from the PIC16C family, featuring 7KB of OTP program memory (4K x 14 organization), 20 MHz maximum operating frequency, and integrated 12-bit analog-to-digital conversion in a 28-pin SPDIP (Skinny Plastic Dual In-line Package) through-hole form factor. The device is part of the LC (low-power CMOS) variant, optimized for battery-powered and low-power embedded applications while retaining the full peripheral set of the standard PIC16C773. Key specifications include 28-pin SPDIP packaging, 5V typical operating voltage, 192 bytes of data RAM, 256 bytes of EEPROM data memory, and the standard PIC mid-range 14-bit instruction set with 35 single-cycle instructions. The PIC16LC773 belongs to the broader PIC16C microcontrollers family, which is a sub-class of 8-bit Harvard-architecture RISC microcontrollers (MCU) under the microcontroller > embedded controller > semiconductor hierarchy. It uses a modified Harvard architecture with separate program and data buses to enable deterministic single-cycle instruction execution at 20 MHz, delivering up to 5 MIPS of throughput. The PIC16LC773-I/SP integrates 12-bit A/D conversion with up to 8 analog input channels, multiple 8-bit and 16-bit timers, a USART for serial communications, an SPI/I2C compatible synchronous serial port, and capture/compare/PWM modules. These peripherals are typical of mid-range PIC microcontrollers and address mixed-signal embedded applications where analog sensing, motor control, and serial communication are required simultaneously. The LC suffix indicates the low-power CMOS process variant with operating voltage down to approximately 2.5V to 5.5V, supporting sleep current in the microampere range. The device is targeted at industrial control, instrumentation, low-power sensor nodes, and consumer applications requiring on-chip ADC and moderate code density in a through-hole-friendly DIP package. Typical applications include industrial sensor signal conditioning, motor control boards, data acquisition front ends, process control instrumentation, and battery-powered portable devices. The through-hole 28-SPDIP package simplifies prototyping and breadboarding, making this device common in educational kits, evaluation boards, and legacy industrial designs where socketed or hand-solderable packages are preferred. Designers should note that the OTP memory (One-Time Programmable) cannot be reprogrammed, so this part is suited to production runs rather than development iteration. For development, the PIC16F873 flash-based counterpart (same pinout and peripherals) is commonly substituted as it allows in-circuit reprogramming. The 28-SPDIP footprint is shared across many PIC16 mid-range devices, simplifying PCB reuse when migrating to flash or enhanced variants.

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PIC16LC773-I/SS - 8-bit MCU 7KB OTP 20MHz 28-SSOP | Microchip
PIC16LC773-I/SS

PIC16LC773-I/SS - 8-bit MCU 7KB OTP 20MHz 28-SSOP | Microchip

The Microchip Technology PIC16LC773-I/SS is an 8-bit RISC microcontroller from the PIC® 16C family, featuring 7KB (4K x 14) of One-Time-Programmable (OTP) program memory, 256 bytes of RAM, and a 12-bit Analog-to-Digital Converter (ADC) integrated on-chip. Housed in a 28-pin Shrink Small-Outline Package (SSOP), the PIC16LC773-I/SS operates at up to 20 MHz clock speed from a 2.5V to 5.5V supply range, making it the low-voltage (LC) variant of the PIC16C773 family. An 8-bit microcontroller (MCU) is a programmable integrated circuit that combines a CPU, memory (ROM/RAM), and peripherals on a single die. The PIC16LC773 belongs to the mid-range PIC16 family, sitting between the baseline PIC10/12/16 and the high-performance PIC18 families. It executes one instruction per clock cycle (Harvard RISC architecture), delivering approximately 5 MIPS at 20 MHz, which is competitive with contemporary 8051 and AVR MCUs from this era. Its place in the hierarchy is: PIC16 8-bit MCU -> mid-range microcontroller -> RISC MCU -> embedded controller. Key features include 22 digital I/O pins, three timers (Timer0, Timer1, Timer2), a 12-bit ADC with up to 8 channels, a USART module for serial communication, an SSP module for SPI/I2C, and a Capture/Compare/PWM (CCP) module. The 'LC' prefix designates the low-voltage CMOS process, which reduces power consumption relative to the standard 'C' EPROM variants while retaining OTP programmability. Technically, the PIC16LC773-I/SS uses a 14-bit instruction set with 35 single-word instructions, 8-level hardware stack, and a Harvard bus architecture that allows simultaneous instruction fetch and data access. The 12-bit ADC provides 8 input channels with 10 us conversion time. Industrial temperature grade (-40C to +85C) is indicated by the '-I' suffix. Typical applications include industrial control systems, sensor signal conditioning with on-chip ADC, motor control using the CCP/PWM module, low-power embedded instruments, and legacy 5V designs requiring moderate performance. The 28-SSOP package suits space-constrained surface-mount designs. When designing with this device, note that the OTP memory cannot be reprogrammed; for development or field-upgradeable applications, choose the PIC16C773 (EPROM windowed) or a Flash-based PIC16F equivalent. Provide a 100 nF decoupling capacitor near VDD and ensure MCLR is properly biased for reliable operation.

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PIC16LC773/SP - 8-Bit 20MHz 7KB OTP MCU | Microchip | 28-SPDIP
PIC16LC773/SP

PIC16LC773/SP - 8-Bit 20MHz 7KB OTP MCU | Microchip | 28-SPDIP

The Microchip Technology PIC16LC773/SP is an 8-bit CMOS RISC microcontroller running at 20 MHz, integrating 7 KB (4K x 14) of One-Time-Programmable (OTP) program memory and 256 bytes of RAM in a 28-pin SPDIP through-hole package. It operates from a 2.5 V to 5.5 V supply and exposes 22 digital I/O lines, combining moderate code density, low power, and a rich peripheral set for embedded control designs. A microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory, volatile data memory, and peripherals such as timers, communication interfaces, and analog blocks. The PIC16 family from Microchip uses a 14-bit wide instruction set, classified as a RISC architecture because each instruction executes in a single instruction cycle (except branches). Within the broader semiconductor taxonomy, an MCU sits under: microcontroller -> embedded processor -> integrated circuit -> semiconductor device. Key features of the PIC16LC773 include a 12-bit Analog-to-Digital Converter (ADC) with up to 8 input channels, two 8-bit timers plus one 16-bit timer, a synchronous/asynchronous USART, an SPI/I2C master synchronous serial port, and a Capture/Compare/PWM (CCP) module. The LC suffix designates the low-voltage CMOS variant, enabling operation down to 2.5 V for battery-friendly applications. Architecturally, the PIC16LC773 uses a Harvard structure with separate program and data buses, a hardware stack for fast interrupt response, and brown-out reset plus power-on reset for reliable cold-start behavior. The 20 MHz oscillator yields a 200 ns instruction cycle, suitable for real-time control loops in instrumentation, consumer, and industrial segments. Typical applications include industrial sensor interfacing, motor control front-ends, HVAC control boards, battery-powered metering, and small appliances where the 12-bit ADC simplifies analog front-end design. The SPDIP-28 footprint is convenient for prototyping, hobby platforms, and through-hole manufacturing lines. When designing with this MCU, mind the 256-byte RAM ceiling for buffer-heavy applications and consider that the OTP memory cannot be re-programmed in-circuit - use the FLASH-based PIC16F877A variant if in-field firmware updates are required. The OTP variant is well-suited to mature, stable firmware in volume production. This page synthesizes verified distributor pricing, drop-in alternative inventory, and engineering design notes not found in the manufacturer datasheet alone.

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PIC16LC773/SS - 8-bit MCU, 7KB OTP, 20MHz, 28-SSOP | Microchip
PIC16LC773/SS

PIC16LC773/SS - 8-bit MCU, 7KB OTP, 20MHz, 28-SSOP | Microchip

The Microchip PIC16LC773/SS is an 8-bit RISC microcontroller from the PIC16C family with 7KB (4K x 14) of One-Time-Programmable (OTP) program memory, 256 bytes of RAM, and 22 digital I/O lines, housed in a 28-pin SSOP (Shrink Small Outline Package) with 5.30 mm body width. It executes a single instruction per 200 ns cycle (5 MIPS) from an internal clock that supports oscillator frequencies up to 20 MHz, making it suitable for low-power embedded control with deterministic interrupt response. A microcontroller (MCU) is a single-chip computer containing a CPU core, program memory (ROM/Flash/OTP), data memory (RAM), and programmable peripherals such as timers, A/D converters, and communication ports. The PIC16LC773 belongs to the Microchip PIC16C mid-range family, which sits in the broader hierarchy: microcontroller -> embedded processor -> integrated circuit -> semiconductor. The 'LC' suffix designates a 3.0-6.0 V low-voltage CMOS variant designed for portable and battery-powered applications, while the OTP memory allows one-time field programming - cost-optimized for production volumes where code stability is established before deployment. Key features include an 8-channel 12-bit analog-to-digital converter (ADC) with selectable reference, two 8-bit timers plus one 16-bit timer/counter, a Universal Synchronous Asynchronous Receiver Transmitter (USART) with addressable mode, a Master Synchronous Serial Port (MSSP) supporting SPI and I2C master/slave, a 14-bit instruction word, and brown-out reset plus power-on reset for reliable startup. The ADC's 12-bit resolution enables precision sensor readouts without external converters, while the integrated capture/compare/PWM (CCP) modules support motor and power control. Architecturally, the PIC16LC773 uses a Harvard RISC core with separate program and data buses, providing deterministic instruction throughput (200 ns per instruction at 20 MHz) and a 14-bit wide instruction word that allows single-cycle operations with literal data. The CMOS LC process combined with sleep modes (typical standby current in the microamp range) enables long battery life, and the 28-SSOP package offers a compact 5.30 mm body for space-constrained designs. Typical applications include industrial process control, sensor signal conditioning, automotive body electronics, low-power remote sensors, HVAC thermostats, handheld instruments, and small appliance motor control. The wide operating voltage and ADC precision suit analog-front-end systems. When designing with this part, ensure adequate decoupling (0.1 uF ceramic near VDD) and that the OTP programming voltage and sequence are observed during production. Because OTP memory cannot be re-programmed, code revisions require a fresh part. Consider PIC16F877 for in-system re-programmability when field firmware updates are needed. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, giving embedded engineers and procurement specialists the full picture needed for component selection and BOM management.

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PIC16LC773T-I/SO - 8-Bit 20MHz 7KB OTP MCU SOIC-28 | Microchip
PIC16LC773T-I/SO

PIC16LC773T-I/SO - 8-Bit 20MHz 7KB OTP MCU SOIC-28 | Microchip

The Microchip Technology PIC16LC773T-I/SO is an 8-bit PIC16-family RISC microcontroller with 7KB (4K x 14) One-Time-Programmable (OTP) program memory, 256 bytes of RAM, and a 20MHz maximum operating frequency, housed in a 28-pin SOIC wide-body package supplied on tape and reel. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory, data RAM, and programmable peripherals. The PIC16 family uses a Harvard RISC architecture with a 14-bit wide instruction word, which simplifies decoder logic and yields deterministic, easily calculated instruction cycles. LC-prefixed PIC16 parts are optimized for low-voltage operation (2.5V-5.5V), making them suitable for battery-powered and energy-conscious designs where full-spec PIC16C devices cannot meet the minimum VDD. Key features of the PIC16LC773T-I/SO include 22 digital I/O pins spread across multiple ports, integrated 12-bit ADC (up to 6 channels on this family), hardware USART, MSSP (SPI/I2C), and three timers. The OTP program memory cannot be electrically erased but can be window-erasable on certain package variants, and it supports in-circuit serial programming (ICSP) via two pins. Internal brown-out reset and power-on reset simplify firmware bring-up. The architecture uses a 14-bit instruction set with an 8-level hardware stack and interrupts; most instructions execute in a single cycle (4 oscillator clocks). With a 20MHz oscillator the instruction cycle is 200ns, sufficient for typical control loops, slow communication protocols, and human-interface firmware. Compared with flash-based PIC16F cousins, the OTP LC variant reduces unit cost at moderate volumes but loses field reprogrammability. Typical applications include appliance control panels, low-cost sensor interfaces, simple motor-driver controllers, industrial front-end modules, and consumer white-goods. Designers choose the LC family when the firmware is stable, volumes are moderate-to-high, and supply-voltage headroom is constrained. When designing with this device, plan the OTP programming step into manufacturing because once the bit cells are written they cannot be electrically erased. Always reserve the ICSP pins (typically RB6/RB7) on the PCB so firmware can be programmed after board assembly.

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PIC16LC773T/SO - 8-Bit 20MHz 7KB OTP MCU | Microchip | 28-SOIC
PIC16LC773T/SO

PIC16LC773T/SO - 8-Bit 20MHz 7KB OTP MCU | Microchip | 28-SOIC

The Microchip Technology PIC16LC773T/SO is an 8-bit PIC® RISC microcontroller in a 28-pin SOIC (SO) package, featuring 7KB (4K x 14) of One-Time Programmable (OTP) program memory, 256 bytes of data RAM, and a maximum clock speed of 20 MHz. It belongs to the PIC16C7xx family of mid-range Microchip microcontrollers optimized for embedded control with a Harvard RISC architecture and 35 instructions. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory, working RAM, and a rich set of peripheral interfaces (ADC, timers, UART, I/O ports). The PIC16LC773T/SO uses a 14-bit instruction word with a single accumulator-based architecture, drawing just microamps of active current at 4 MHz / 5 V — therefore making it a member of the linear regulator hierarchy: MCU -> embedded controller -> 8-bit microcontroller -> CMOS microcontroller -> semiconductor IC. Key features include an 8-channel 12-bit (or 8-bit software-selectable) Analog-to-Digital Converter (ADC), two Capture/Compare/PWM (CCP) modules, a USART with RS-485 support, an SPI/I2C master/slave synchronous port, a watchdog timer with its own on-chip RC oscillator, and a brown-out reset (BOR) circuit. The 28-SOIC footprint provides 22 general-purpose I/O pins, and the commercial temperature grade (0°C to +70°C) makes it suitable for benign-environment designs. The PIC16LC773 uses a modified Harvard architecture with separate program and data buses, allowing instruction fetch and operand read in the same cycle. The 14-bit instruction word encodes an opcode plus literal/address operand, and the device executes one instruction every four clock cycles (4:1 instruction-to-clock ratio). This means 5 MIPS throughput at 20 MHz, which was substantial for an 8-bit MCU at the part's introduction. The "LC" prefix indicates low-power CMOS, supporting operation down to 2.5 V with quiescent currents in the microamp range for battery-aware applications. Typical applications include industrial control panels, sensor signal conditioning, motor drive front-ends, instrumentation front-end controllers, and embedded communication bridges. The integrated 12-bit ADC is particularly useful for closed-loop PID control loops in HVAC, lighting ballasts, and appliance control subsystems where the MCU must digitize multiple analog feedback signals while driving PWM outputs to power switches. When designing with the PIC16LC773T/SO, ensure decoupling: place a 100 nF ceramic capacitor directly across VDD and VSS as close to the IC as possible, plus a bulk 10 µF tantalum or aluminum polymer capacitor on the supply rail. The MCLR (master clear) reset pin should be pulled up to VDD through a 10 kΩ resistor with an optional 100 nF cap for noise filtering, and OSC1/OSC2 should follow Microchip's oscillator layout guideline (short traces, ground guard ring) to avoid noise injection into the internal ADC. This page synthesizes distributor pricing (as of 2026-09-22), pin-to-pin compatible SOIC-28 alternatives, and practical design notes not consolidated in any single manufacturer datasheet. The T-suffix indicates Tape & Reel packaging for high-volume SMT assembly, while the /SO suffix specifies the 7.50 mm body-width 28-pin SOIC gull-wing package.

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PIC16LC774-I/P - 8-Bit MCU, 7KB OTP, 33 I/O, 40-PDIP | Microchip
PIC16LC774-I/P

PIC16LC774-I/P - 8-Bit MCU, 7KB OTP, 33 I/O, 40-PDIP | Microchip

The Microchip Technology PIC16LC774-I/P is an 8-bit CMOS microcontroller from the PIC16 family, featuring 7KB (4K x 14) of One-Time-Programmable (OTP) program memory, 256 bytes of RAM, and 33 digital I/O pins. Housed in a 40-pin PDIP (Plastic DIP, 0.600 inch / 15.24 mm width) through-hole package, it operates at up to 20 MHz clock speed and is qualified for the industrial temperature range of -40C to +85C. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, program memory (ROM/Flash/OTP), data memory (RAM), and peripherals on one die. Within the semiconductor hierarchy, an MCU belongs to the broader class of microprocessors and embedded controllers, sitting between simple logic ICs and 32-bit application processors. The PIC16 family is Microchip's mid-range 8-bit line, known for its RISC architecture, single-cycle instruction execution (except branches), and a small instruction set of only 35 single-word instructions, making it well-suited for embedded control in cost-sensitive designs. Key features of the PIC16LC774-I/P include 12-bit ADC resolution (the 'LC774 is one of the higher-pin-count PIC16 parts with on-chip analog), integrated peripherals such as USART, SSP (SPI/I2C), capture/compare/PWM modules, and two 8-bit timers plus one 16-bit timer. The 33 available I/O pins allow the device to drive multiple sensors, switches, and actuators concurrently, while the wide operating voltage range (typically 2.5 V to 5.5 V for the 'LC' low-voltage variant) supports both 3.3 V and 5 V designs. The PIC16LC774 architecture is built around a Harvard-style RISC core with separate program and data buses, enabling most instructions to execute in a single instruction cycle (200 ns at 20 MHz). This deterministic timing, combined with hardware interrupt handling, makes the device predictable in real-time control loops. The on-chip 12-bit ADC and reference modules allow direct interface with analog sensors without external signal conditioning. Typical applications include industrial process controllers, HVAC control boards, motor control subsystems, instrumentation front-ends, automotive body electronics (non-safety), and consumer appliance control panels. The 33 I/O count and 12-bit ADC make it a strong fit for systems that need many sensor inputs and moderate computational throughput. When designing with this part, note that the 'I' suffix denotes the industrial temperature grade (-40C to +85C) and the 'P' suffix denotes PDIP packaging. OTP memory means the device can be programmed only once, so this part is intended for mature production designs rather than iterative prototyping - consider PIC16F variants for Flash-based in-field reprogrammability. This page synthesizes distributor pricing, pin-compatible drop-in alternatives from Microchip's PIC16 family, and practical design notes not consolidated in the manufacturer datasheet.

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PIC16LC774-I/PQ - 8-Bit 20MHz MCU, 7KB OTP, 44-MQFP | Microchip
PIC16LC774-I/PQ

PIC16LC774-I/PQ - 8-Bit 20MHz MCU, 7KB OTP, 44-MQFP | Microchip

The Microchip PIC16LC774-I/PQ is an 8-bit CMOS microcontroller built on the PIC16 mid-range RISC core, delivering 20 MHz operation with 7KB (4K x 14) of One-Time Programmable (OTP) program memory and 256 bytes of RAM, housed in a 44-pin MQFP (10x10 mm) package. The LC-prefix device operates across a 2.5V to 5.5V supply range typical for low-power PIC designs, with 33 digital I/O pins suitable for complex peripheral interfacing. An 8-bit PIC microcontroller is a single-chip computer that uses a Harvard RISC architecture with separate program and data buses, allowing the CPU to fetch an instruction and read data in the same clock cycle. PIC microcontrollers sit within the broader hierarchy: microcontroller -> embedded controller -> semiconductor IC. Compared to 8051 and AVR 8-bit cores of the same era, the PIC16's 14-bit instruction word and 35 single-word instruction set give it exceptionally compact code density and deterministic 200 ns instruction execution, ideal for latency-sensitive control loops. Key features of the PIC16LC774 include 7KB OTP program memory, 256 bytes of data RAM, an 8-channel 8-bit Analog-to-Digital Converter (ADC), a USART, an SSP module compatible with SPI and I2C, capture/compare/PWM modules, and a programmable 8-bit watchdog timer. The -I suffix indicates the industrial temperature grade (-40C to +85C). The 44-MQFP (Metric Quad Flat Pack) provides 33 usable I/O plus power and ground pins, supporting designs that demand more GPIO than 28- or 40-pin PIC16 variants can deliver. The architecture combines a 14-bit program counter, an 8-level hardware stack, and dedicated peripheral interrupt logic. The internal RC oscillator option (with external crystal fallback) provides flexibility for cost-sensitive applications. The ADC's analog input multiplex supports up to 8 channels with 8-bit resolution, suitable for sensor readout, while the CCP/PWM modules can drive motor control or lighting. The OTP program memory means the part is one-time programmable, making it most suitable for mature, high-volume production where firmware is finalized. Typical applications include industrial control panels, building automation sensor hubs, automotive body controllers, HVAC actuators, small appliance controls, and embedded data-acquisition front-ends. The wide I/O count makes it well suited to systems replacing multiple 28-pin PICs with a single 44-pin MCU. A key design consideration is OTP memory: code must be fully validated before programming, since the IC cannot be erased. Designers should keep a flash-based PIC16F77x variant in the same pinout available for prototyping, then drop in the LC version for production cost-down. This page synthesizes distributor pricing, verified drop-in PIC16 alternatives, and practical design notes not found in the standalone datasheet.

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PIC16LC774-I/PT - 8-Bit 20MHz OTP MCU 7KB 33 I/O | Microchip
PIC16LC774-I/PT

PIC16LC774-I/PT - 8-Bit 20MHz OTP MCU 7KB 33 I/O | Microchip

The Microchip Technology PIC16LC774-I/PT is a member of the PIC16C microcontroller family, an 8-bit RISC OTP MCU with 7KB (4K x 14) of one-time-programmable program memory, 256 bytes of RAM, 33 digital I/O lines, and a maximum clock speed of 20 MHz, housed in a 44-pin TQFP (10x10 mm) surface-mount package. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, RAM, non-volatile program memory, peripherals, and I/O on a single silicon die. The PIC16C/PIC16LC family uses Microchip's high-performance RISC core with 35 single-word instructions, where all instructions execute in a single cycle except program branches, which take two cycles. Within the broader taxonomy, the PIC16LC774 belongs to: microcontroller -> 8-bit MCU -> RISC MCU -> embedded controller -> semiconductor IC. The PIC16LC 'LC' suffix indicates a low-voltage CMOS variant supporting operation from 2.5 V to 5.5 V, while the 'C' letter denotes the OTP/EPROM-based program memory family. Key features include 4K x 14 words of OTP program memory (7 KB), 256 bytes of data RAM, 33 I/O pins supporting peripheral functions, an external oscillator interface, an instruction set of 35 single-word instructions, and a brown-out-reset / power-on-reset subsystem. The PIC16LC774 integrates on-chip peripherals such as a 10-bit ADC, capture/compare/PWM modules, a synchronous/asynchronous serial port (USART), and a parallel slave port. The 44-pin TQFP package provides 33 usable I/O pins while exposing power, ground, oscillator, and programming/reset pins. Architecturally, the device uses a Harvard architecture with separate program and data buses, allowing instruction fetch and data access to occur in the same cycle. The OTP memory requires UV-erase and re-programming on a windowed package variant for development; the /PT suffix marks a non-windowed TQFP intended for production. The 20 MHz clock yields a 200 ns instruction cycle time. The PIC16LC774 is part of the PIC16C7x mid-range lineage and shares peripheral register layouts with related PIC16C77/76/74A parts. Typical applications include industrial control systems, sensor signal acquisition with on-board ADC, motor control with PWM-driven H-bridges, embedded user-interface controllers, low-power remote data loggers, and legacy upgrade designs where a 5V-tolerant MCU with abundant I/O is needed. The 33 I/O lines provide ample headroom for keypads, character LCDs, and parallel buses. When designing with this device, ensure the supply rail stays within 2.5 V to 5.5 V for full-speed operation and that decoupling capacitors of 100 nF plus 10 uF are placed close to VDD/VSS pairs. Because the program memory is OTP, code updates after deployment are not possible without a physical part swap, so the PIC16F flash equivalent (PIC16F877) is typically preferred for new designs requiring in-field firmware updates. This page synthesizes distributor pricing, drop-in PIC16C-family alternatives, and practical design notes for engineers evaluating the PIC16LC774-I/PT for new or sustaining designs.

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PIC16LC774/L - 8-Bit 20MHz 7KB OTP MCU 44-PLCC | Microchip
PIC16LC774/L

PIC16LC774/L - 8-Bit 20MHz 7KB OTP MCU 44-PLCC | Microchip

The Microchip Technology PIC16LC774/L is an 8-bit CMOS RISC microcontroller from the PIC16C family, integrating a 12-bit A/D converter, 7KB (4K x 14) of One-Time-Programmable (OTP) program memory, 256 bytes of RAM, and 33 digital I/O pins in a 44-pin PLCC (J-Lead) package measuring 16.59 x 16.59 mm. Operating at up to 20 MHz with a 200 ns instruction cycle, this MCU targets high-performance embedded applications requiring precision analog acquisition alongside general-purpose digital control. The /L suffix denotes the commercial 0C to +70C operating temperature range. An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data path, executing one byte per instruction cycle. The PIC architecture is a Harvard RISC design with separate program and data buses, only 35 single-word instructions, and most instructions completing in one instruction cycle. PIC16C-series MCUs sit in the product hierarchy as: MCU -> 8-bit MCU -> microcontroller -> embedded processor -> semiconductor. PIC16LC774 specifically adds a 12-bit ADC, making it suitable for instrumentation-grade analog sensing. Key features include 12-bit A/D conversion (vs. the typical 8- or 10-bit on competing MCUs of the era), 256 bytes of data RAM, 33 I/O pins (one of the highest pin counts in the PIC16 family), and OTP program memory allowing one-time field programming. The device supports in-circuit serial programming (ICSP) and is supported by the MPLAB development environment. Typical applications include industrial process control, instrumentation with analog sensor inputs, motor control, and consumer embedded products. The high I/O count and 12-bit ADC differentiate this part from lower-pin PIC16 variants. When designing with PIC16LC774/L, ensure proper decoupling (0.1uF ceramic near each VDD pin) and verify ADC acquisition timing for high-impedance sources. Use the /L grade only in commercial-temperature environments; choose /I for industrial (-40C to +85C) and /E for extended (-40C to +125C) ranges. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.

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PIC16LC774/P - 8-Bit MCU, 7KB OTP, 20MHz, 40-DIP | Microchip
PIC16LC774/P

PIC16LC774/P - 8-Bit MCU, 7KB OTP, 20MHz, 40-DIP | Microchip

The Microchip Technology PIC16LC774/P is an 8-bit RISC microcontroller with 7KB OTP program memory (4K x 14), 256 bytes of RAM, and 33 digital I/O pins, housed in a 40-pin PDIP (0.600", 15.24mm) through-hole package. It operates from a 5V supply at up to 20 MHz, targeting commercial 0C to +70C environments and is engineered as a low-power member of the PIC16C-series family. A microcontroller (MCU) is a single-chip computer containing a CPU core, program memory (ROM/Flash/OTP), working memory (RAM), and I/O peripherals. The PIC16LC774 belongs to the PIC16 family of 8-bit Harvard-architecture MCUs from Microchip, a category characterized by RISC instruction sets, OTP or Flash program memory, and integrated peripherals such as timers, ADC, and USART. Within the broader taxonomy, the PIC16LC774 sits under 8-bit microcontroller -> microcontroller -> embedded processor -> semiconductor IC. Designers choose PIC16 devices for deterministic interrupt latency, mature toolchains (MPLAB X, XC8), and pin-compatibility across family members, simplifying board reuse when migrating between code-density or peripheral options. Key features of the PIC16LC774/P include 7KB OTP program memory with 4K x 14 organization, 256 bytes of data RAM, 33 I/O pins, and a maximum clock frequency of 20 MHz at 5V. The part is rated for the commercial 0C to +70C temperature range and is supplied in a 40-pin PDIP through-hole package (suffix /P). It integrates a RISC core, multiple timers, an analog comparator, and serial peripherals typical of the PIC16 mid-range family, allowing it to drive a wide variety of control loops without external logic. The architecture is based on the Microchip PIC16C-series mid-range core, an enhanced Harvard design with separate program and data buses. OTP (One-Time Programmable) memory enables low-cost prototyping and small-to-medium production runs where in-field firmware updates are not required. Compared with Flash-based siblings, OTP variants offer tighter security against bit-stream extraction but cannot be re-programmed, so designers should plan for programming at the board-level or via a device programmer before final assembly. Typical applications include industrial control panels, white-goods appliances, hobby and educational development kits, embedded instrumentation, and legacy system retrofits where 8-bit deterministic behavior and through-hole assembly are preferred. The 33 I/O count is sufficient to drive keypad scans, multiplexed displays, and small sensor arrays. Designers should verify that the OTP programming step is incorporated into the production flow, since OTP parts cannot be field-updated. For new designs where firmware iteration is anticipated, consider the Flash-based PIC16F-series siblings as drop-in migration options. Decoupling VDD/VSS with 100 nF ceramic capacitors placed within 5 mm of the package pins, and adding a bulk 10 uF electrolytic on the supply rail, is recommended for reliable brown-out behavior. This page synthesizes distributor pricing, drop-in alternative listings, and practical design notes that are not co-located in the manufacturer datasheet, providing engineers a single source for sourcing decisions, replacement planning, and lifecycle management.

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PIC16LC774/PQ - 8-bit MCU, 7KB OTP, 33 I/O, 20MHz | Microchip
PIC16LC774/PQ

PIC16LC774/PQ - 8-bit MCU, 7KB OTP, 33 I/O, 20MHz | Microchip

The Microchip Technology PIC16LC774/PQ is a 20 MHz 8-bit CMOS RISC microcontroller featuring 7KB (4K x 14) of One-Time Programmable (OTP) program memory, 256 bytes of RAM, and 33 digital I/O lines, all housed in a 44-pin Metric Quad Flat Pack (MQFP, 10x10 mm) package. It belongs to the PIC16C/LC family and operates from a 2.5V to 5.5V supply, delivering up to 20 MHz CPU clock from an external oscillator. The part integrates a 10-bit ADC, USART, I2C/SPI, two capture/compare/PWM modules, and a programmable 8-bit prescaler, suiting it for mixed-signal embedded designs. An 8-bit PIC microcontroller is a Harvard-architecture RISC device that executes one instruction per clock cycle (except branches) and uses separate program and data buses. PIC microcontrollers are positioned within the broader semiconductor hierarchy as a sub-class of microcontrollers -> embedded processors -> integrated circuits. The PIC16C/LC mid-range family targets cost-sensitive industrial and consumer applications requiring deterministic real-time control with on-chip analog peripherals. The PIC16LC77x sub-family specifically emphasizes larger I/O counts (up to 33 pins) and analog integration, distinguishing it from lower-pin PIC16C7x predecessors. Key features include 7KB of OTP program memory, 256 bytes of data RAM, 33 I/O pins with individually programmable direction, an 8-channel 10-bit ADC with sample-and-hold, synchronous/asynchronous USART, MSSP for SPI/I2C, two CCP modules for timing and PWM, and a watchdog timer with on-chip RC oscillator. The MQFP-44 package gives designers a manageable 10x10 mm footprint with gull-wing leads suitable for both reflow soldering and through-hole rework, satisfying industrial-grade PCB thermal needs. Architecturally, the PIC16LC774 uses a 14-bit instruction word and an 8-bit data path, with hardware stack, 8-level deep, and an interrupt controller supporting up to 14 sources. The LC designation indicates the lower-voltage CMOS process that draws less quiescent current than the PIC16C774 OTP/EPROM equivalent, making the LC variant preferable for battery-powered or thermally constrained designs. Typical applications include industrial control panels, sensor signal conditioning front-ends, motor control drivers, instrumentation front-ends, and consumer appliances. The 33 I/O count and 10-bit ADC make it a strong fit for distributed I/O nodes and small motor drive controllers. When designing with this part, note that the OTP variant cannot be reprogrammed, so verify firmware with UV/EPROM-equipped PIC16C774 samples before committing to production volumes. Adequate decoupling (100 nF + 10 uF bulk) near VDD/AVDD pins is critical for ADC accuracy. This page synthesizes real-time distributor pricing, pin-compatible alternatives, and engineering design notes not found in the standalone datasheet, supplying decision support for sourcing and PCB reuse planning.

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PIC16LC774/PT - 8-bit MCU, 7KB OTP, 20MHz, 44-TQFP | Microchip
PIC16LC774/PT

PIC16LC774/PT - 8-bit MCU, 7KB OTP, 20MHz, 44-TQFP | Microchip

The Microchip PIC16LC774/PT is an 8-bit RISC microcontroller in the PIC16C family, featuring 7KB (4K x 14) of One-Time-Programmable (OTP) program memory, 256 bytes of RAM, and 33 digital I/O pins. It executes instructions at a 20 MHz clock rate from a 5 V supply, packaged in a 44-pin TQFP (10 x 10 mm) surface-mount format. The 'LC' suffix denotes the low-power CMOS process variant of the PIC16C77 lineage, optimized for lower quiescent current while retaining the classic 14-bit instruction word architecture. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory, working RAM, and peripheral interfaces onto one silicon die. Microcontrollers belong to the broader category of embedded processors, sitting alongside microprocessors (MPUs), DSPs, and SoCs; PIC microcontrollers occupy the 8-bit RISC niche, where deterministic instruction timing and minimal external component count are favored over raw compute throughput. The '16' in PIC16LC774 denotes the mid-range PIC family that uses a 14-bit instruction word, providing 35 single-word instructions and predictable single-cycle execution (branches take two cycles). Key specifications include 7KB OTP program memory organized as 4K x 14 bits, 256 x 8 bytes of data RAM, four 8-bit I/O ports (PORTA-PORTE partial) yielding 33 usable I/O, a hardware USART, a 10-bit ADC (typically 8 channels on this die), and two Capture/Compare/PWM modules. The OTP memory is one-time programmable, meaning code is locked at production programming time and cannot be field-updated — a key selection criterion versus flash-based PIC16F variants. Architecturally, the device uses a Harvard architecture with separate program and data buses, enabling simultaneous instruction fetch and operand access. The 20 MHz oscillator drives an internal four-phase clock, and most instructions complete in one oscillator period (200 ns at 20 MHz), with branches taking two periods. The CMOS 'LC' process reduces active and standby draw compared to the original PIC16C77, which made this part attractive for battery-influenced designs. Typical applications include industrial control and instrumentation, automotive body and chassis subsystems, appliance control boards, sensor interface front-ends, and general-purpose embedded logic replacement. The 33 I/O pins comfortably drive LED arrays, keypads, character LCDs, and simple actuator bridges. The wide operating temperature range also supports outdoor and harsh-environment deployments. When laying out, allocate a continuous ground pour beneath the device and route the MCLR reset line away from switching nodes to avoid spurious resets. Place the oscillator crystal within 5 mm of OSC1/OSC2 with a grounded guard ring to suppress EMC pickup. Bulk decoupling of 10 uF plus 0.1 uF ceramic at VDD is recommended per Microchip mid-range reference designs. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone — including a parametric comparison table against other 44-TQFP PIC16 family members and same-package drop-in replacements.

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PIC16LC774T-I/L - 8-Bit MCU, 7KB OTP, 20MHz, 44-PLCC | Microchip
PIC16LC774T-I/L

PIC16LC774T-I/L - 8-Bit MCU, 7KB OTP, 20MHz, 44-PLCC | Microchip

The Microchip Technology PIC16LC774T-I/L is an 8-bit RISC microcontroller from the PIC16C/L family, offering 7KB of OTP (One-Time Programmable) program memory (4K x 14 words), 256 bytes of RAM, and 33 digital I/O pins in a 44-pin PLCC surface-mount package supplied on tape-and-reel. It operates from a 2.5V to 5.5V supply at up to 20MHz clock speed, making it a low-power general-purpose MCU for industrial and embedded designs. What is an 8-bit microcontroller (MCU)? A microcontroller is a single-chip computer that integrates a CPU core, program memory, data RAM, and peripheral interfaces (timers, ADC, communication ports). The "8-bit" designation refers to the width of the data path and ALU: instructions and data are processed 8 bits at a time. Within the broader taxonomy, a microcontroller belongs to the semiconductor family -> integrated circuit -> logic IC -> microcontroller. Microchip's PIC16 family uses a RISC (Reduced Instruction Set Computer) architecture, and the "LC" prefix denotes the low-voltage CMOS variant optimized for battery-powered applications. Key features of the PIC16LC774T-I/L include the high-performance PIC16 RISC CPU with 35 single-word instructions, where all instructions execute in a single cycle except program branches (two cycles). The 20MHz operating speed delivers 5 MIPS (million instructions per second) throughput. Peripherals typically include multiple timers, a 10-bit or 12-bit ADC, USART/SCI, SPI, and I2C, with 33 I/O pins supporting direct interfacing to sensors, switches, and displays. The device is built on a CMOS process with low-power design techniques, making it well-suited for battery-powered or energy-conscious industrial equipment. Industrial temperature grade (-40C to +85C) is indicated by the "I" suffix. The 44-pin PLCC package supports through-hole-style reflow soldering and socket-based prototyping, simplifying field replacement. Typical applications include industrial automation controllers, HVAC control systems, sensor signal conditioning nodes, consumer electronics with user interfaces, and embedded control boards. The combination of OTP memory, robust peripherals, and the legacy PLCC footprint has made this part a long-life choice for designs that need predictable supply and field-replaceable microcontrollers. When designing with this MCU, ensure the oscillator circuit matches the chosen clock source (crystal, resonator, or external clock) per datasheet recommendations. Use ICD (In-Circuit Debugger) headers for development; note that OTP parts cannot be re-programmed, so development typically uses a windowed or flash equivalent (e.g., PIC16F877) for prototyping. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes that go beyond the manufacturer datasheet to support sourcing and design decisions.

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PIC16LC774T-I/PQ - 8-bit 20MHz 7KB OTP MCU 33 I/O | Microchip
PIC16LC774T-I/PQ

PIC16LC774T-I/PQ - 8-bit 20MHz 7KB OTP MCU 33 I/O | Microchip

The Microchip PIC16LC774T-I/PQ is an 8-bit RISC microcontroller from the PIC PIC(R) 16C family that delivers 20 MIPS performance from a 20 MHz oscillator, integrates 7 KB (4K x 14) of One-Time-Programmable (OTP) program memory, 256 bytes of data RAM, and 33 digital I/O lines, and is housed in a 44-pin MQFP (10x10 mm) surface-mount package. The part is specified for the industrial -40C to +85C temperature range and is supplied on a Tape & Reel carrier as the /T (Tape & Reel) variant. As a member of the low-power "LC" family, it operates from a 2.5V to 5.5V supply, suiting battery-backed and energy-sensitive applications. What is a PIC16C/LC microcontroller? A PIC16 microcontroller is a Harvard-architecture 8-bit RISC MCU built around the PIC16 CPU core. Its program memory bus and data memory bus are physically separated, allowing the instruction fetch and the data read/write to occur in parallel within a single instruction cycle. PIC16 devices target low-power, deterministic, real-time embedded control tasks and sit inside a taxonomy of PIC microcontrollers -> 8-bit Microcontrollers -> Microcontrollers -> Integrated Circuits. The 'LC' subfamily uses CMOS process technology optimized for low quiescent current draw, while the 'C' suffix indicates the use of One-Time-Programmable EPROM rather than flash. The PIC16LC774T-I/PQ executes most instructions in a single 200 ns cycle (at 20 MHz), with only program branches requiring two cycles, and provides 35 single-word instructions to learn. Peripherals integrated on-die include a 12-bit ADC, two analog comparators, a synchronous serial port (SSP) configurable as SPI or I2C, a USART with addressable mode, a Capture/Compare/PWM (CCP) module, an 8-bit parallel slave port, and a watchdog timer with on-chip RC oscillator. Typical applications include industrial sensor conditioning, motor control loops, instrumentation front-ends, and portable battery-powered devices. The wide operating voltage (2.5V to 5.5V) and low-power LC design make it a fit for handheld and remote sensor nodes where quiescent current dominates runtime budget. When designing with the PIC16LC774T-I/PQ, ensure the MCLR/Vpp reset circuit follows Microchip's recommended RC network to guarantee clean startup, and place a 0.1 uF decoupling capacitor within 5 mm of the VDD/VSS pins. Because the program memory is OTP, firmware must be fully validated before programming - field firmware updates require a different (flash) part such as PIC16F877. This page synthesizes distributor pricing snapshots, drop-in alternative MPNs, and application design guidance that goes beyond what is available in the manufacturer datasheet alone.

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PIC16LC774T-I/PT - 8-Bit MCU, 7KB OTP, 12-bit ADC | Microchip
PIC16LC774T-I/PT

PIC16LC774T-I/PT - 8-Bit MCU, 7KB OTP, 12-bit ADC | Microchip

The Microchip Technology PIC16LC774T-I/PT is an 8-bit RISC microcontroller from the PIC® 16C family, featuring a 20 MHz PIC core, 7KB (4K x 14) of One-Time Programmable (OTP) program memory and 256 bytes of data RAM, housed in a 44-pin TQFP (10x10 mm) package. It integrates 10 channels of 12-bit Analog-to-Digital Conversion (ADC), a high-performance RISC CPU executing 35 single-word instructions, and a rich peripheral set targeting analog-signal embedded designs. A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory and peripheral interfaces on one die. The PIC16LC774 belongs to the 8-bit PIC16 family, which sits within the broader 8-bit microcontroller hierarchy (8-bit MCU -> microcontroller -> embedded processor -> semiconductor). It uses a RISC-style Harvard architecture with separate program and data buses, and OTP program memory is programmed once at production time, making the LC variants well suited to high-volume cost-sensitive applications where firmware is final. Key features of the PIC16LC774T-I/PT include: 33 digital I/O pins, three counter/timer modules, a Watchdog Timer (WDT), I2C/SPI/UART-USART serial interfaces, dual analog comparators, and 10 channels of 12-bit ADC. According to the manufacturer datasheet, all instructions execute in a single cycle except program branches which take two cycles, and the device operates across the industrial -40C to +85C temperature range. Typical applications include industrial process control with analog front ends, instrumentation requiring precision ADC inputs, motor control with feedback sensing, sensor conditioning, and mixed-signal embedded systems. The 12-bit ADC resolution (vs 10-bit on smaller PIC16 parts) makes the LC774 particularly suited for precision measurement applications that would otherwise require an external ADC. When designing with this device, ensure external oscillator components are chosen to meet the 20 MHz specification, and consider migrating to the PIC16F877 (Flash-based equivalent in the same 44-TQFP footprint) for prototypes or low-volume production where in-system reprogrammability is required. The 'LC' family is the lowest-power 16C line; the 'F' family offers Flash memory for development. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone - including same-package same-family PIC16 variants and pin-compatible cross-brand considerations that engineers actually evaluate during component selection.

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PIC16LC774T/PQ - 8-bit MCU, 7KB OTP, 256 RAM, 33 I/O | Microchip
PIC16LC774T/PQ

PIC16LC774T/PQ - 8-bit MCU, 7KB OTP, 256 RAM, 33 I/O | Microchip

The Microchip Technology PIC16LC774T/PQ is a low-power CMOS 8-bit microcontroller built around the PIC16 RISC architecture, offering 7 KB of One-Time Programmable (OTP) program memory, 256 bytes of data RAM, and 33 digital I/O pins in a 44-pin MQFP (PQ) surface-mount package. Operating from a 2.5 V to 5.5 V supply and supporting a maximum clock rate of 20 MHz, the part delivers up to 5 MIPS of throughput with all single-cycle instructions except program branches. The on-chip peripheral set typically includes multiple 8-bit and 16-bit timers, a 10-bit Analog-to-Digital Converter, an asynchronous serial port (USART), a synchronous serial interface (SSP/SPI/I2C), and a parallel slave port, making it suitable for mixed analog/digital embedded designs. What is an 8-bit RISC microcontroller? An 8-bit RISC MCU executes a reduced instruction set where most instructions complete in a single clock cycle, giving deterministic timing and high code density for embedded control. The PIC16C/LC family sits at the entry-level of Microchip's mid-range lineup, between the smaller PIC12/PIC14 devices and the higher-pin-count PIC17/PIC18 parts. Its position in the broader semiconductor taxonomy is: microcontroller (MCU) -> 8-bit MCU -> mid-range MCU -> embedded controller -> semiconductor IC. This family is widely used in industrial, consumer, and appliance designs where cost, deterministic interrupt response, and long product life outweigh raw computational throughput. Key features of the PIC16LC774T/PQ include 35 single-word instructions, four oscillator options including external RC and crystal modes, an internal brown-out reset, a watchdog timer with its own on-chip RC oscillator, in-circuit serial programming (ICSP) capability, and a programmable code protection scheme. The 'LC' suffix denotes the extended low-voltage (2.5 V to 5.5 V) variant, while the 'T' indicates tape-and-reel packaging, and '/PQ' specifies the 44-pin Plastic Quad Flat Pack. Compared with the 5 V-only 'C' parts, the LC variant is preferred for battery-powered or 3.3 V system designs. Architecturally, the PIC16LC774 uses a Harvard bus layout with separate program and data memory spaces, a 14-bit wide program memory bus, and an 8-bit data bus. The 8-level deep hardware stack and 15 special-function hardware registers underpin its deterministic interrupt handling. Power management is supported via Sleep mode with wake-up on interrupt, and the device is fully static, allowing the clock to be stopped without losing register state. Typical applications include industrial control panels, HVAC thermostats, instrumentation front-ends, small appliance controllers, security keypads, automotive body electronics (non-safety), and educational or hobby development boards. The 33 I/O pins comfortably drive keypads, character LCDs, and relay or triac interfaces when paired with appropriate buffers. When designing with this part, allocate the analog and digital I/O banks carefully: pins multiplexed with the A/D converter share a single sample/hold, and placing noisy digital signals adjacent to analog inputs degrades converter noise performance. Always fit decoupling capacitors of 0.1 uF close to VDD/VSS, observe the in-circuit serial programming pinout if the PCB will be programmed in production, and verify that the chosen oscillator mode supports the required instruction cycle timing at the system's lowest operating voltage.

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PIC16LC774T/PT - 8-Bit 20MHz OTP MCU 7KB Flash | Microchip
PIC16LC774T/PT

PIC16LC774T/PT - 8-Bit 20MHz OTP MCU 7KB Flash | Microchip

The Microchip Technology PIC16LC774T/PT is an 8-bit RISC microcontroller from the PIC16 family with a 20MHz CPU core, 7KB (4K x 14) of One-Time-Programmable (OTP) program memory and 256 bytes of data RAM, housed in a 44-pin TQFP (10x10 mm) surface-mount package. What is an 8-bit microcontroller? An 8-bit MCU is a small computer-on-a-chip with an 8-bit data path; the PIC16 family from Microchip uses a Harvard-architecture RISC core with a single accumulator (W register) and a small, fixed instruction set optimized for deterministic single-cycle execution. OTP microcontrollers are programmed once at production and cannot be erased, which lowers unit cost versus flash-based parts in high-volume applications. The PIC16LC774T/PT features 33 general-purpose digital I/O pins and integrates a 12-bit Analog-to-Digital Converter (ADC) with up to 10 input channels, providing precision mixed-signal capability for sensor-interface designs. Connectivity peripherals include I2C, SPI, and UART/USART interfaces, enabling the part to act as a communication hub or peripheral controller. The 'LC' suffix denotes a low-voltage CMOS variant that operates across 2.5V to 5.5V, ideal for battery-powered and portable systems. The PIC16LC774 is built on Microchip's enhanced mid-range core, supporting 35 single-word instructions with all instructions executing in a single instruction cycle except program branches (two cycles). The architecture provides 8-level deep hardware stack and interrupt handling with context saving, allowing responsive real-time control loops. An external oscillator interface supports crystals, resonators, or external clock sources up to 20MHz. Typical applications include industrial sensor conditioning with 12-bit ADC conversion, consumer appliance control panels, automotive body electronics subsystems, HVAC control modules, and embedded data-acquisition front-ends. The 33 I/O pins easily drive keypads, LED indicators, LCDs, and small relay or MOSFET driver stages. When designing with this device, note the OTP memory cannot be re-programmed in-circuit - firmware must be fully validated before production programming. The 44-pin TQFP package provides compact PCB mounting and adequate thermal performance for industrial temperature grade. This page consolidates distributor pricing, pin-compatible TQFP-44 alternatives, and practical design notes not found in the manufacturer datasheet.

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