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PIC16C717T-I/SO - 8-Bit 20MHz OTP MCU 18-SOIC | Microchip
PIC16C717T-I/SO

PIC16C717T-I/SO - 8-Bit 20MHz OTP MCU 18-SOIC | Microchip

The Microchip Technology PIC16C717T-I/SO is an 8-bit CMOS OTP-based PIC microcontroller built on the PIC16C architecture, delivering 20 MHz (200 ns) instruction execution in an 18-pin SOIC package. It integrates 3.5 KB (2K x 14) of OTP program memory, 256 bytes of RAM, 16 digital I/O lines, and a 10-bit 6-channel Analog-to-Digital converter with two additional timers. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory, working RAM, I/O ports, and timing/interrupt logic. The PIC16C717 belongs to the PIC16C family of 14-bit instruction-word OTP MCUs, hierarchically a subfamily of Microchip's broader PIC10/12/16/18 8-bit microcontroller lineup. The 14-bit opcode width gives the PIC16C717 richer instruction set support than the baseline PIC16C5X (12-bit opcodes) while remaining upward compatible with PIC16C5X and PIC12CXXX devices. Key features include 35 single-word instructions, a hardware USART/SCI port, I2C/SPI capable MSSP module, two 8-bit timers (Timer0, Timer2) and one 16-bit timer (Timer1), a 10-bit 6-channel ADC, and an internal watchdog timer. The 'T' suffix indicates Tape and Reel packaging while the 'I' suffix denotes the industrial temperature grade of -40C to +85C. The PIC16C717 implements a RISC-style Harvard architecture with separate program and data buses, allowing simultaneous instruction fetch and operand access. Its 200 ns instruction cycle at 20 MHz provides deterministic interrupt latency for real-time control loops. CMOS technology yields low power consumption suitable for both battery-powered and line-powered industrial designs. Typical applications include industrial control systems, sensor signal conditioning with on-chip ADC, low-cost embedded control, appliance control boards, and consumer electronics requiring modest GPIO count with integrated analog. The 6-channel 10-bit ADC makes the PIC16C717 well-suited to multi-sensor monitoring designs. When designing with this OTP part, plan code carefully - the program memory is not reprogrammable in-circuit. Choose the flash-based PIC16F717 for development and field updates, then migrate to the PIC16C717T-I/SO for cost-sensitive production volume once firmware is finalized. Decoupling VDD with 100 nF ceramic placed within 5 mm of the IC is recommended. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.

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PIC16C717T-I/SS - 8-Bit OTP MCU 3.5KB 16 I/O 20MHz SSOP-20 | Microchip
PIC16C717T-I/SS

PIC16C717T-I/SS - 8-Bit OTP MCU 3.5KB 16 I/O 20MHz SSOP-20 | Microchip

The Microchip Technology PIC16C717T-I/SS is an 8-bit CMOS OTP-based microcontroller delivering 200 ns instruction execution with only 35 single-word instructions, packaged in a 20-pin SSOP (Industrial temperature grade, Tape & Reel). The device integrates 3.5 KB of OTP program memory, 256 bytes of RAM, 16 I/O pins, six channels of 10-bit Analog-to-Digital conversion, two additional timers, and operates at up to 20 MHz clock speed from a 2.5V to 5.5V supply. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, program memory, data RAM, peripherals onto one silicon die; on PIC microcontroller design the Harvard RISC architecture separates program and data buses, allowing simultaneous instruction fetch and data access. The PIC16C717 belongs to the PIC16 mid-range family, which sits in the PIC8 -> 8-bit MCU -> microcontroller -> embedded IC hierarchy, upward-compatible with the PIC16C5X and PIC12CXXX baseline devices for code portability. Key differentiating features include Microchip's PIC RISC core with 14-bit wide instructions, hardware USART/SCI, an analog comparator with two inputs, capture/compare/PWM (CCP) module, and an 8-bit parallel slave port for external memory expansion. The OTP memory enables one-time programmable operation suited for high-volume mature products, and the SSOP-20 footprint is footprint-compatible with the flash-based PIC16F717 for future migration. The PIC16C717 uses a 14-bit instruction word, two-stack-deep hardware stack for subroutines, and a 200 ns instruction cycle at 20 MHz oscillator. Six multiplexed 10-bit ADC channels enable direct sensor interfacing, and the analog comparator supports low-cost feedback loops. The architecture's deterministic interrupt latency of 5 instruction cycles makes it well suited for hard-real-time control loops. Typical applications include industrial sensor interface boards, appliance control, motor control (small DC and stepper), automotive body electronics (non-safety), and white-goods user-interface modules. The wide 2.5V-5.5V supply range and industrial -40C to +85C temperature grade suit both battery and mains-powered designs. When designing with this device, plan around OTP memory: firmware must be 100% validated before programming because there is no in-system reprogramming path. Engineers targeting future-proof designs can lay out the PCB for the PIC16F717 flash equivalent and migrate tooling later, since both share the SSOP-20 pinout. This page synthesizes distributor pricing, drop-in same-package alternatives from the PIC16C family, and practical design notes for OTP migration paths that are not found on individual distributor listings.

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PIC16C717T/SO - 8-Bit 20MHz OTP MCU, 3.5KB, 18-SOIC | Microchip
PIC16C717T/SO

PIC16C717T/SO - 8-Bit 20MHz OTP MCU, 3.5KB, 18-SOIC | Microchip

The Microchip Technology PIC16C717T/SO is an 8-bit CMOS OTP-based microcontroller in the PIC16 family, housed in an 18-pin SOIC package. It features 3.5KB (2K x 14) of OTP program memory, 256 bytes of RAM, 13 I/O pins, 6 channels of 10-bit Analog-to-Digital conversion, and runs at 20MHz maximum clock with a 200ns instruction cycle. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, program memory, data memory, and I/O peripherals onto one die. The PIC16 family uses a RISC (Reduced Instruction Set Computer) architecture with only 35 single-word instructions, allowing most instructions to execute in a single instruction cycle. The PIC16C717T/SO is OTP (One-Time Programmable), meaning program memory can be written once and is not erasable, making it well-suited for high-volume, low-cost production. The T suffix denotes tape-and-reel packaging, and the SO suffix indicates the 18-pin SOIC form factor. Key features include 6 channels of 10-bit ADC, two 8-bit timers (Timer0 with 8-bit prescaler, and Timer2), an 8-bit multichannel ADC, Brown-out Reset (BOR) circuitry, and 13 I/O pins. The device operates from 4V to 5.5V, supports 20MHz operation, and offers a 200ns instruction execution time, making it well-suited for embedded control loops and sensor reading. The PIC16C717T/SO uses Microchip's proven PIC16C5X-compatible core, providing an easy migration path for legacy designs. The 10-bit ADC with 6 input channels enables precision analog signal acquisition, while the dual-timer architecture supports PWM generation and event timing. The wide operating voltage range (4-5.5V) and industrial temperature range (-40C to +85C) suit industrial and consumer embedded applications. Typical applications include appliance control, sensor signal conditioning, automotive body electronics, industrial automation, and consumer electronics requiring moderate computational horsepower and analog integration. The OTP nature makes it cost-effective for high-volume production where code stability has been validated. When designing with this part, ensure your development flow accounts for OTP programming - firmware bugs cannot be corrected after programming. Use PIC16C717-I/SO (windowed) for development and prototyping, then switch to PIC16C717T/SO for production runs. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.

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PIC16C717T/SS - 8-bit OTP MCU, 20MHz, 3.5KB | Microchip
PIC16C717T/SS

PIC16C717T/SS - 8-bit OTP MCU, 20MHz, 3.5KB | Microchip

The Microchip Technology PIC16C717T/SS is a CMOS OTP-based 8-bit microcontroller in the PIC® 16C family, packaged in a 20-pin SSOP (0.209", 5.30mm width) and rated for 20 MHz operation with 5V supply. It integrates 3.5 KB (2K x 14) of One-Time-Programmable program memory plus 256 bytes of RAM, and exposes 15 digital I/O pins. The device executes one instruction per 200 ns cycle from a 35-instruction RISC core. A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory and peripherals; the PIC16C717 specifically belongs to the PIC16C sub-family of Microchip's 8-bit PIC architecture, sitting between the baseline PIC12C/PIC16C5X devices and the more capable PIC17C/PIC18C families. Its mid-tier feature set targets low-cost embedded control where ROM reprogramming is not required after deployment, such as appliance controllers and disposable sensor modules. The PIC16C717's headline feature is a 10-bit A/D converter providing 6 analog input channels, paired with two additional timers beyond the baseline Timer0. This ADC resolution is the same as found on many PIC16F flash parts and enables direct interface to analog sensors (temperature, light, voltage) without an external ADC IC. OTP program memory means the firmware is permanently written during production programming and cannot be field-updated - this is the key differentiator versus flash-based PIC16F variants such as the PIC16F690. Typical applications include white-goods motor control boards, low-end remote controls, battery chargers with analog feedback, and industrial sensor interfaces. The 20 MHz clock speed and 10-bit ADC make it well-suited to closed-loop control tasks where computational throughput is moderate but analog precision is required. When designing with the PIC16C717, remember that OTP parts are not erasable; firmware bugs cannot be fixed in-circuit. Choose the flash variant (PIC16F717) if in-field firmware updates are required. For high-volume production where cost per unit matters more than field re-programmability, OTP delivers lower die cost. This page synthesizes distributor pricing, pin-to-pin drop-in alternatives (same-family OTP variants and modern flash equivalents), and practical design notes not found in the manufacturer datasheet alone. Cross-reference data is sourced from DigiKey, Mouser and Microchip's own cross-reference tool.

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PIC16C71T-04/SO - 4MHz OTP 8-bit MCU w/ADC, SOIC-18 | Microchip
PIC16C71T-04/SO

PIC16C71T-04/SO - 4MHz OTP 8-bit MCU w/ADC, SOIC-18 | Microchip

The Microchip Technology PIC16C71T-04/SO is an 8-bit CMOS RISC microcontroller with 1.75 KB of one-time programmable (OTP) program memory, 36 bytes of RAM, 13 digital I/O pins, and an integrated 8-bit multichannel analog-to-digital converter, packaged in a tape-and-reel SOIC-18 (SO) outline. The '04' speed grade specifies a 4 MHz maximum clock rate, and the device operates from a 4.0 V to 5.5 V single supply, drawing low operating current typical of PIC mid-range devices. The PIC16C71 was the first Microchip PIC to integrate on-chip ADC, and the 'C' suffix denotes the EPROM-based (windowless or OTP) process variant. A microcontroller (MCU) is a single-chip computer containing a CPU core, program memory, working RAM, peripheral set, and I/O on one die. The PIC16C71 sits in the PIC16CXX mid-range family, which uses a 14-bit instruction word and a 35-instruction RISC core; its hypernym hierarchy is microcontroller -> embedded processor -> digital IC -> semiconductor. The 'C' suffix indicates EPROM/OTP program memory (non-volatile, one-time programmable in windowless package, UV-erasable in CERDIP windowed variants). Key differentiating specifications include: 1.75 KB EPROM program memory, 36 B RAM, 13 I/O, four-channel 8-bit ADC, Timer0 (8-bit timer/counter with 8-bit prescaler), brown-out reset (BOR), watchdog timer, and 4 MHz clock speed. With BOR active, the part guarantees a clean reset when VDD falls below the BOR threshold, eliminating corrupted startup states on brown-out events. The RISC core executes most instructions in one oscillator cycle, giving ~1 MIPS at 4 MHz. Typical applications include industrial control loops, sensor signal conditioning, automotive body controllers (non-safety), low-cost consumer appliances, and educational/embedded learning kits. The on-chip ADC is well-matched to bridge-sensor, thermistor, and potentiometer front-ends without requiring an external ADC. When designing with this part, ensure that the program memory is sized for OTP programming flow before committing to PCB layout. Engineers migrating to a Flash-based PIC should consider the PIC16F71 as a drop-in upgrade with same peripheral set and pinout.

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PIC16C71T-20I/SO - 8-Bit 20MHz OTP MCU w/ ADC | Microchip
PIC16C71T-20I/SO

PIC16C71T-20I/SO - 8-Bit 20MHz OTP MCU w/ ADC | Microchip

The Microchip Technology PIC16C71T-20I/SO is an OTP (One-Time Programmable) 8-bit CMOS microcontroller from the PIC16CXX mid-range family, operating at up to 20 MHz with 1.75 KB (1K x 14) of program memory and 36 bytes of RAM, housed in an 18-pin SOIC (0.295 inch / 7.50 mm width) package supplied on tape and reel. It integrates a 5V-tolerant architecture and on-chip A/D converter peripherals, targeting low-cost embedded applications. An 8-bit microcontroller (MCU) is a small computer-on-a-chip containing a CPU, memory, and peripherals. The PIC16C71 belongs to the mid-range PIC family, sitting between baseline (PIC10/12/16) and enhanced mid-range (PIC16F1xxx) tiers. As a ROM/OTP device, it is programmed once and is typically chosen for cost-sensitive, high-volume products where code is fixed for the lifetime of the unit. Key features include a 20 MHz maximum clock, 1.75 KB OTP program memory, 36 bytes of data RAM, an integrated 8-bit 4-channel analog-to-digital converter, 13 I/O pins, and a wide 3.0V to 6.0V operating voltage range. The 'T' suffix denotes tape-and-reel packaging, '20' indicates the 20 MHz speed grade, 'I' marks the industrial -40C to +85C temperature grade, and 'SO' specifies the 18-pin SOIC package. The device uses a Harvard architecture with separate program and data buses, RISC instruction set (35 instructions), and a 14-bit instruction word. The integrated ADC supports direct analog sensor interfacing without external components, while the industrial temperature range and CMOS low-power design suit it for unattended, battery-tolerant environments. Typical applications include low-cost consumer appliances, sensor signal conditioning nodes, industrial control sub-modules, automotive body-fitting interior subsystems, and battery-powered instrumentation. The integrated ADC simplifies analog sensor reading while the small 18-pin footprint aids compact PCB layouts. When designing with the PIC16C71T-20I/SO, note that this is an OTP part - code cannot be re-programmed in-circuit. For prototyping, use the windowed JW version, and for production with firmware upgrades, consider a Flash-based equivalent such as PIC16F716. This page consolidates distributor inventory, drop-in PIC16C71T-20I/SO cross-references, and design-in guidance not aggregated in the original Microchip datasheet, helping engineers compare substitutes and source the part quickly.

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PIC16C72-04/SO - 4MHz 8-Bit OTP MCU 28-SOIC | Microchip
PIC16C72-04/SO

PIC16C72-04/SO - 4MHz 8-Bit OTP MCU 28-SOIC | Microchip

The Microchip Technology PIC16C72-04/SO is an 8-bit RISC microcontroller from the PIC16C7X mid-range family, featuring a 4 MHz maximum clock speed, 3.5 KB (2K x 14) of One-Time-Programmable (OTP) program memory, and 128 bytes of on-chip data RAM, all housed in a 28-pin SOIC (SO) wide-body package. This CMOS, fully-static device integrates a multichannel 8-bit analog-to-digital converter, 22 I/O pins, 13 selectable I/O channels, a PWM output, and brown-out reset (BOR) circuitry, plus an 8-bit Timer0 with 8-bit prescaler. An 8-bit microcontroller (MCU) is a small computer-on-a-chip that combines a CPU, RAM, ROM/Flash/OTP program memory, and peripherals on a single die. Microcontrollers sit within the embedded systems hierarchy: MCU -> embedded processor -> semiconductor -> integrated circuit. The PIC16C7X family targets cost-sensitive embedded control applications, while the OTP memory variant (PIC16Cxx) is intended for low-volume production and prototype builds where in-circuit reprogrammability is not required. Key features of the PIC16C72-04/SO include 35 single-word instructions (most executed in one instruction cycle, except program branches at two cycles), 200 ns instruction cycle at 20 MHz (4 MHz in this -04 speed grade), parallel slave programming via a boot loader, and an operating voltage range of 4.0 V to 5.5 V. The mid-range PIC16CXX core provides deterministic instruction timing and bit-manipulation primitives optimized for control loops. Architecturally, the PIC16C72-04/SO uses a Harvard-style architecture with separate program and data buses, enabling simultaneous instruction fetch and data access. The integrated 8-bit ADC and PWM module support closed-loop motor and analog-sensor interfaces, while the BOR and watchdog timer (WDT) enhance field reliability against brown-out and software-stuck conditions. Typical applications include consumer appliance control, HVAC thermostat logic, simple motor-control boards, low-end sensor signal conditioning with ADC, and industrial automation front-ends. Engineers should note that Microchip flags the PIC16C72 family as having a newer revision available: consider the PIC16C72A (compatible drop-in) or PIC16F72 (flash-based reprogrammable successor) for new designs. When designing with this part, ensure Vdd stays within 4.0 V to 5.5 V and respect the wide-body SOIC-28 PCB land pattern (300 mil body width). OTP parts cannot be erased - design firmware to be fully validated before final programming. This page synthesizes real-time distributor pricing, drop-in alternatives (PIC16C72A, PIC16F72), and practical OTP-MCU design notes not found on the bare manufacturer datasheet, helping engineers select, source, and lay out the part with confidence.

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PIC16C72-04/SS - 8-Bit CMOS MCU, 4MHz, 3.5KB OTP | Microchip
PIC16C72-04/SS

PIC16C72-04/SS - 8-Bit CMOS MCU, 4MHz, 3.5KB OTP | Microchip

The Microchip Technology PIC16C72-04/SS is an 8-bit CMOS RISC microcontroller from the PIC16C family, featuring 3.5KB (2K x 14) of One-Time Programmable (OTP) program memory, 128 bytes of RAM, 22 digital I/O lines, and an integrated 5-channel 8-bit Analog-to-Digital Converter (ADC). It operates at up to 4MHz clock speed with a 200ns single-cycle instruction execution time, packaged in a 28-pin SSOP (Shrink Small Outline Package) for compact surface-mount designs. A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory (RAM and program storage), and peripherals such as ADC, timers, and communication interfaces into one IC. Within the broader semiconductor taxonomy, an 8-bit MCU sits under microcontroller -> embedded processor -> digital IC -> semiconductor. The PIC16C72 belongs to Microchip's mid-range PIC16C family, a CISC-RISC hybrid architecture optimized for low cost and deterministic real-time control, widely used in industrial and consumer embedded designs from the mid-1990s onward. Key features of the PIC16C72-04/SS include: 35 single-word instructions (all single-cycle except program branches, which are two-cycle), a wide operating voltage range suitable for 5V systems, an integrated 8-bit ADC with 5 input channels, three timers (Timer0, Timer1, Timer2), a synchronous serial port (SSP) supporting SPI and I2C, and a universal synchronous/asynchronous receiver-transmitter (USART). The commercial temperature grade (0C to +70C) targets indoor industrial and consumer electronics. The PIC16C72 architecture uses a Harvard-style memory bus with separate program and data paths, enabling instruction fetch and operand read to overlap in a single cycle. Its RISC instruction set simplifies compiler and assembler work, and the OTP program memory allows one-time factory or field programming using standard device programmers. Typical applications for the PIC16C72-04/SS include: motor control subsystems (using PWM and ADC for closed-loop feedback), small appliance controllers (microwave ovens, washing machines, coffee makers), battery chargers, sensor signal conditioning with on-chip ADC, and simple human-machine interface (HMI) panels with keypads and LED indicators. When designing with this part, note that the OTP memory cannot be reprogrammed, so firmware must be fully validated before committing. For new designs, Microchip recommends the PIC16F72 or PIC16C72A successors, which offer flash memory and enhanced peripherals. The 28-SSOP package requires standard surface-mount reflow profiles; care should be taken with thermal pad design during PCB layout. This page synthesizes distributor pricing, drop-in 28-SSOP alternatives, and practical design notes not found in the standalone Microchip datasheet, helping engineers evaluate sourcing options for legacy and ongoing production designs.

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PIC16C72-04E/SO - 4MHz 8-Bit CMOS MCU, 3.5KB OTP, 28-SOIC | Microchip
PIC16C72-04E/SO

PIC16C72-04E/SO - 4MHz 8-Bit CMOS MCU, 3.5KB OTP, 28-SOIC | Microchip

The Microchip PIC16C72-04E/SO is a high-performance 8-bit CMOS RISC microcontroller built around the PIC16C mid-range core, integrating 3.5KB (2K x 14) of One-Time-Programmable (OTP) program memory, 128 bytes of RAM, and a 5-channel 8-bit analog-to-digital converter in a 28-pin SOIC (SO) gull-wing surface-mount package. Operating from a 4 MHz external clock and a 4V to 5.5V supply, it provides 22 I/O lines, an 8-bit Timer0 with an 8-bit prescaler, an 8-bit Timer1, and a 16-bit Timer2 with capture/compare/PWM capability, plus a synchronous serial port (SSP) supporting SPI and I2C master/slave operation. A microcontroller (MCU) is a single-chip computer that contains a CPU, non-volatile program memory, working RAM, and peripheral interfaces such as timers, ADCs, and communication ports. The 8-bit PIC16C72 family belongs to the mid-range PIC16C microcontrollers, which sit within Microchip's broader 8-bit MCU portfolio alongside the PIC16F (Flash) and PIC18 (high-performance 8-bit) families. OTP memory is one-time programmable and non-erasable, distinguishing it from Flash or EEPROM-based devices that allow in-circuit re-programming. Key features include only 35 single-word instructions to learn, single-cycle instruction execution (except two-cycle branches), a 200 ns instruction cycle at 20 MHz maximum clock, brown-out reset (BOR) circuitry for reliable power-on behavior, and a watchdog timer for runaway code protection. The 28-SOIC footprint is 7.50 mm wide (0.295") and supports standard reflow soldering. The PIC16C72 architecture uses a Harvard bus structure with separate program and data paths, a 14-bit instruction word, and a hardware multiplier-less ALU optimized for deterministic interrupt response. This makes the core well suited to motor control loops, sensor sampling, and simple communication bridges where predictable timing matters more than raw throughput. Typical applications include industrial automation controllers, automotive body and HVAC subsystems, sensor signal conditioning front ends, simple motor-control drivers, appliance user-interface boards, and embedded data-acquisition front ends. The integrated ADC eliminates an external converter in many designs. Designers should note the -04 speed grade (4 MHz) versus the -10 and -20 variants, which trade off maximum clock for power and EMI behavior. The OTP memory dictates a one-time-only programming cycle, so firmware must be fully verified before committing. The PIC16C72 has been superseded by the PIC16C72A and PIC16F72 in many designs, so new programs should verify long-term supply before committing. This page synthesizes XAIPART distributor pricing, parametric drop-in alternatives from the same PIC16C 28-pin family, and practical design guidance not found in the standalone manufacturer datasheet.

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PIC16C72-04E/SP - 4MHz OTP 8-bit MCU, 3.5KB, 28-DIP | Microchip
PIC16C72-04E/SP

PIC16C72-04E/SP - 4MHz OTP 8-bit MCU, 3.5KB, 28-DIP | Microchip

The Microchip PIC16C72-04E/SP is an 8-bit CMOS RISC microcontroller in the PIC16CXX mid-range family, operating at up to 4 MHz with 3.5 KB (2K x 14) of one-time programmable (OTP) program memory and 128 bytes of RAM, housed in a 28-pin plastic DIP (SPDIP, 0.300 inch) through-hole package. It features 22 I/O pins, a 5-channel 8-bit analog-to-digital converter (ADC), and an instruction set of only 35 single-word instructions, most of which execute in a single 200 ns instruction cycle. What is an 8-bit OTP microcontroller? An 8-bit OTP (one-time programmable) microcontroller is a programmable logic device whose on-chip non-volatile program memory can be written exactly once after manufacture, after which the program is permanent. It belongs to the hierarchy: microcontroller -> embedded controller -> semiconductor IC, and is commonly used for cost-sensitive, high-volume consumer and industrial embedded applications where firmware stability after programming is acceptable. Key features include 13 or 22 programmable digital I/O lines depending on variant, two 8-bit timer/counters (Timer0 with 8-bit prescaler, Timer1 with capture), a 5-channel 8-bit ADC, synchronous serial port (SSP) supporting SPI and I2C, capture/compare/PWM (CCP) module, watchdog timer with its own on-chip RC oscillator for reliable operation, and brown-out reset (BOR) circuitry to protect against low-Vdd conditions. Technically, the PIC16C72-04E/SP is fabricated on a fully-static CMOS process, supports DC to 4 MHz clock input, draws low operating current, and includes power-on reset (POR), power-saving SLEEP mode, and an in-circuit serial programming (ICSP) interface via RB6/RB7. The "-04E" suffix indicates the 4 MHz speed grade with the "E" enhanced (-40C to +125C) industrial/automotive operating temperature range, and the "/SP" suffix denotes the SPDIP-28 (Skinny Plastic DIP) through-hole package. Typical applications include industrial control systems, automotive body electronics, appliance control, sensor signal conditioning, low-power instrumentation, motor control via PWM, and any volume-driven 8-bit embedded design that benefits from PIC mid-range code compatibility. Its rich peripheral mix and broad third-party tool support make it a long-time workhorse for legacy designs. When designing with this part, ensure your programmer supports OTP devices (most modern PIC programmers do via ICSP) and that your firmware budget stays within 2K x 14 words. For new designs that may need firmware field updates, consider migrating to a Flash-based PIC16F7X successor rather than committing to OTP. This page synthesizes real distributor pricing, drop-in alternatives from the same PIC16C7X family, and practical design notes not found on the manufacturer datasheet alone.

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PIC16C72-04E/SS - 8-bit MCU 3.5KB EPROM 22 I/O | Microchip
PIC16C72-04E/SS

PIC16C72-04E/SS - 8-bit MCU 3.5KB EPROM 22 I/O | Microchip

The Microchip Technology PIC16C72-04E/SS is a low-cost, high-performance, CMOS, fully-static, 8-bit microcontroller in the PIC16CXX mid-range family, packaged in a 28-lead SSOP (Shrink Small Outline Package) form factor. It integrates a 3.5KB EPROM program memory, 128 bytes of data RAM, 22 digital I/O pins, and a multi-channel 8-bit analog-to-digital (A/D) converter, all on a single die. The part runs at a maximum clock frequency of 4 MHz (the "-04" speed grade suffix), operates from 2.5 V to 5.5 V, and supports industrial temperature ranges (the "E" suffix denotes -40C to +125C). A microcontroller (MCU) is a single-chip computer containing a processor core, program memory, working RAM, and peripheral interfaces. Within the broader taxonomy, the PIC16C72 belongs to the 8-bit microcontroller category, then to the RISC (Reduced Instruction Set Computer) microcontrollers family, then to the mid-range PIC16Cxx series, and finally to power management and embedded control semiconductors. Microcontrollers are the workhorses of embedded electronics, providing deterministic real-time response at low cost and low power. Key differentiating features of the PIC16C72-04E/SS include its OTP (One-Time Programmable) EPROM program memory, which allows rapid prototyping and small-to-medium production runs; an integrated 8-bit A/D converter with multiple input channels that eliminates the need for an external ADC IC; an asynchronous serial port (USART/SCI) for communication with PCs, sensors, or other MCUs; and a 22 I/O count with programmable weak pull-ups that reduce BOM cost by eliminating external resistors. Architecturally, the PIC16C72 uses a Harvard RISC core with a 14-bit instruction word, allowing most instructions to execute in a single cycle. The CMOS process technology yields very low power consumption, making the device suitable for battery-powered or energy-harvesting applications. The integrated peripherals (A/D, USART, timers, capture/compare/PWM) eliminate the need for many external components. Typical applications include industrial control and sensor interfacing, automotive body electronics, appliance control, low-cost data acquisition, embedded instrumentation, and consumer electronics. The wide operating voltage (2.5 V to 5.5 V) and broad temperature range (-40C to +125C) make it well-suited for harsh-environment and battery-powered systems. A key design consideration is the EPROM-based program memory: once programmed, the PIC16C72 cannot be electrically erased, so it is best used for production units rather than iterative development. For development cycles, designers should consider the flash-based PIC16F72 (same pinout, same peripherals, in-circuit reprogrammable) as a directly compatible alternative. This page synthesizes distributor pricing, pin-compatible drop-in alternatives, and practical design notes not consolidated in the manufacturer datasheet, helping engineers select, source, and design with the PIC16C72-04E/SS more efficiently.

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PIC16C72-04I/SO - 8-Bit 4MHz MCU 3.5KB OTP 28-SOIC | Microchip
PIC16C72-04I/SO

PIC16C72-04I/SO - 8-Bit 4MHz MCU 3.5KB OTP 28-SOIC | Microchip

The Microchip Technology PIC16C72-04I/SO is an 8-bit RISC microcontroller from the PIC16C7X mid-range family, running at 4 MHz clock speed with 3.5 KB (2K x 14) of One-Time-Programmable (OTP) program memory, 128 bytes of RAM, and integrated 8-channel 8-bit A/D converter, housed in a 28-pin SOIC (SO) wide-body package with industrial temperature grade. The PIC16C72 belongs to Microchip's PIC16CXX mid-range architecture family that delivers up to 5 MIPS performance and features 13 bidirectional digital I/O pins plus capture/compare/PWM, a synchronous serial port (SSP) for SPI/I2C, a USART for asynchronous serial communication, and a watchdog timer with brown-out reset (BOR). Background: An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (ROM/OTP/Flash), data memory (RAM), and peripheral interfaces (timers, ADC, communication ports). The PIC16C7X family uses a Harvard architecture with separate program and data buses, allowing instruction fetch and data access to occur simultaneously. Microchip's mid-range 14-bit instruction word PIC16C core became an industry standard for low-cost embedded control, and the PIC16C72 specifically targets designs needing on-chip analog acquisition without an external ADC. Key features include 4 MHz maximum operating frequency, 2.0-6.0 V supply voltage range (typical operation 4.0-5.5 V per datasheet), 22 source/sink capable I/O pins depending on package variant, two 8-bit Timer0 and Timer2 plus one 16-bit Timer1, 5-channel 8-bit analog-to-digital converter on the 28-pin packages, and Power-on Reset/Brown-out Reset circuitry. The OTP program memory makes this part suited to low-volume production runs where mask-ROM economics are not justified. The PIC16C72-04I/SO is built on Microchip's CMOS process technology with fully static design, allowing clock frequencies down to DC. The 'I' suffix designates industrial temperature range (-40°C to +85°C), and the '04' speed grade specifies 4 MHz. The 'SO' package suffix denotes 28-pin SOIC wide-body (300-mil). The integrated ADC sample-and-hold and analog multiplexer support up to 5 analog inputs on this package. Typical applications include industrial process control, motor drive signal conditioning, sensor signal acquisition with on-chip ADC, simple appliance control, low-end embedded control with serial communication (I2C/SPI), and educational/development platforms where OTP ROM cost is acceptable. Design considerations: Use Microchip's MPLAB X IDE and MPASM/MPLAB XC8 toolchain for code development. Select the proper oscillator configuration (XT/LP/HS/RC) for the chosen crystal or resonator. Decouple VDD/VSS with 0.1 µF ceramic capacitors close to the pins and provide bulk capacitance for analog reference stability. For EMI robustness, place the crystal near OSC1/OSC2 with short traces and a guard ground. This page consolidates pricing from authorized channels, drop-in same-package PIC16C72 alternatives sourced from Microchip's product tree, and design guidance beyond what is summarized in the datasheet's first pages.

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PIC16C72-04I/SS - 8-Bit 4MHz MCU, 3.5KB OTP, 28-SSOP | Microchip
PIC16C72-04I/SS

PIC16C72-04I/SS - 8-Bit 4MHz MCU, 3.5KB OTP, 28-SSOP | Microchip

The Microchip Technology PIC16C72-04I/SS is an 8-bit CMOS RISC microcontroller based on the PIC16C72 device family, integrating 3.5KB of one-time-programmable (OTP) program memory and 128 bytes of RAM in a 28-pin SSOP (Shrink Small Outline Package). It operates at a 4 MHz oscillator rate over a supply domain of 3.0 V to 6.0 V, exposes 22 general-purpose I/O lines, and includes on-chip peripherals such as a 5-channel 8-bit A/D converter, two 8-bit timers plus one 16-bit timer, a Capture/Compare/PWM (CCP) module, a watchdog timer, brown-out reset, and power-on reset. Connectivity is supported through an I²C bus and an SPI port, and the part is offered in the industrial -40 °C to +85 °C temperature grade. A microcontroller (MCU) is an integrated circuit that combines a CPU core, program memory, working RAM, and peripheral blocks into a single chip. The PIC16C7X family uses a Harvard-architecture RISC core with a 14-bit instruction word and an 8-bit data path, simplifying embedded firmware development and producing deterministic instruction timing that simplifies real-time task scheduling. The PIC16C72 specifically sits in the mid-range PIC family hierarchy: PIC16C7X -> mid-range 8-bit MCU -> 8-bit microcontroller -> embedded controller -> semiconductor. Key differentiating features of the PIC16C72-04I/SS include its 4 MHz maximum clock rate (the -04 speed grade), 3.5 KB OTP program memory suitable for fixed-function products, integrated 8-bit ADC that removes the need for an external converter in sensor-reading applications, and CCP/PWM peripherals that simplify motor and lighting control. The SSOP-28 package offers a compact 5.30 mm body width, saving board area versus the standard SOIC-28. The device uses NMOS/CMOS EPROM/OTP process technology and Microchip's standard mid-range core, providing mature tooling support across MPLAB X IDE, the XC8 compiler, and a wide library of application notes. Compared with flash-based successors, OTP requires UV or one-time programming and is targeted at production volumes where code is finalized. Typical applications include appliance control, HVAC fan and damper actuators, small motor control via CCP/PWM, sensor front-ends (temperature, pressure, level) read through the on-chip ADC, and low-cost consumer products such as coffee makers and battery chargers. The 22 I/O pins also suit human-interface boards with keypads and 7-segment LED displays. When designing with this part, ensure Vdd stays within 3.0 V to 6.0 V, place a 100 nF decoupling capacitor near the supply pin, and respect the 4 MHz oscillator ceiling for the -04 speed grade. Because the memory is OTP, plan firmware carefully before mask/program commitment; consider the flash-based PIC16F72 as a drop-in development alternative. This page synthesizes distributor pricing, pin-compatible drop-in alternatives, and practical design notes that are not consolidated on a single manufacturer datasheet page.

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PIC16C72-10/SO - 8-Bit 10MHz OTP MCU, 22 I/O | Microchip
PIC16C72-10/SO

PIC16C72-10/SO - 8-Bit 10MHz OTP MCU, 22 I/O | Microchip

The Microchip Technology PIC16C72-10/SO is an 8-bit CMOS microcontroller from the PIC16C mid-range family, featuring a 10MHz core, 3.5KB (2K x 14) of One-Time Programmable (OTP) program memory, and 128 bytes of RAM, all housed in a 28-pin SOIC wide-body package. It integrates a 5-channel 8-bit Analog-to-Digital Converter (ADC), a Capture/Compare/PWM (CCP) module, and 22 digital I/O pins, providing a compact mixed-signal control solution for cost-sensitive embedded designs. An 8-bit microcontroller is a single-chip computer that processes data in 8-bit chunks using a Harvard-architecture RISC CPU; it sits in the broader hierarchy of microcontrollers -> microprocessors -> semiconductors. The PIC16C72 belongs to the PIC16C mid-range family, characterized by a 14-bit instruction word, 8-level hardware stack, and integrated peripherals optimized for closed-loop control and sensor-interface applications. Key features include a 10MHz maximum operating frequency (4MHz oscillator input with 4x PLL internal clock multiplication equivalent), 2K x 14 OTP program memory, 128 bytes of data RAM, and a hardware USART/SCI for asynchronous serial communication. The integrated 5-channel 8-bit ADC supports direct connection to analog sensors, eliminating external signal conditioning. Brown-out Reset (BOR), Power-On Reset (POR), and Watchdog Timer (WDT) ensure reliable operation in noisy industrial environments. The PIC16C72 architecture is built on Microchip's enhanced mid-range RISC core with 35 single-cycle instructions, providing predictable interrupt latency and deterministic execution suitable for motor control and real-time sensing loops. The CCP module generates PWM outputs for motor-drive, LED-dimming, or power-conversion feedback loops. The wide 2.5V-5.5V VDD range enables battery-backed and industrial 24V-derived-rail operation with simple regulators. Typical applications include HVAC damper/valve control, appliance user-interface controllers, automotive body-electronics (non-safety), industrial sensor signal conditioning, and low-cost motor-driver front-ends. The 22 I/O pins and five ADC channels cover typical 4-20mA loop, thermistor, and switch-input scenarios without external multiplexing. When designing with the PIC16C72-10/SO, note that the OTP variant requires mask-programmed or windowed-erasable equivalents for firmware iteration; consider PIC16C72A or PIC16F72 for flash-based reprogrammability in field-upgradable designs. Ensure decoupling capacitor placement follows the 0.1uF ceramic-per-Vdd-pin rule and that the MCLR pin is pulled high through 10kohm for normal operation. This page synthesizes distributor pricing, drop-in alternatives, application guidance, and design notes not found in the manufacturer datasheet alone, providing practical sourcing and engineering reference.

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PIC16C72-10/SP - 8-Bit MCU, 10MHz, 3.5KB OTP, 5-CH ADC | Microchip
PIC16C72-10/SP

PIC16C72-10/SP - 8-Bit MCU, 10MHz, 3.5KB OTP, 5-CH ADC | Microchip

The Microchip Technology PIC16C72-10/SP is a low-cost, high-performance CMOS 8-bit microcontroller from the PIC16C7X mid-range family, integrating 3.5 KB of One-Time Programmable (OTP) program memory, 128 bytes of RAM, 22 digital I/O lines, a 5-channel 8-bit Analog-to-Digital Converter (ADC), an I2C/SPI-compatible Synchronous Serial Port (SSP), and a Universal Synchronous Asynchronous Receiver Transmitter (USART). It runs at up to 10 MHz instruction clock in a 28-pin SPDIP (Skinny Plastic DIP) package and operates from 2.5 V to 6.0 V. The CPU is a RISC Harvard architecture with 35 single-cycle instructions and a 14-bit instruction word. What is an OTP microcontroller? An OTP (One-Time Programmable) MCU uses a windowless EPROM cell array for program storage - the device is programmed once with a parallel programmer and cannot be re-programmed in-circuit. Compared to flash-based MCUs (PIC16F series), OTP parts offer lower unit cost and stronger data retention against unauthorized read-out, at the expense of in-system re-programmability. In the broader hierarchy, the PIC16C72 sits in Microchip's PIC16 mid-range family, which sits under the PIC16/18 8-bit portfolio and is commonly used where deterministic real-time response and small footprint matter more than flash flexibility. Key features that differentiate the PIC16C72-10/SP include its 5-channel 8-bit ADC with selectable reference voltages, two 8-bit timers plus one 16-bit timer with capture/compare/PWM modules, an active-low MCLR reset, and a watchdog timer with its own on-chip RC oscillator for reliable operation. Power-saving SLEEP mode and code protection bits support field-deployed embedded systems. Architecturally, the PIC16C72 uses separate program and data buses (Harvard), allowing a 14-bit instruction to be fetched in one cycle while the previous instruction executes on the data bus. The 10 MHz oscillator input yields a 100 ns instruction cycle time, sufficient for medium-speed control loops. Typical applications include industrial sensor interfaces, automotive body controllers (pre-CAN legacy nodes), white-goods and appliance control boards, AC line monitoring with zero-cross detection, low-cost data acquisition front-ends, and educational/development platforms. Because the SPDIP-28 footprint is shared with many PIC16F devices (PIC16F72, PIC16F73, PIC16F74, PIC16F76, PIC16F77), migration paths exist within the family. When designing with this device, use a 1 kΩ pull-up on MCLR to VDD, place a 0.1 µF decoupling capacitor close to VDD, and tie unused I/O pins to defined logic levels to minimize Icc leakage. Note the -10 suffix indicates the 10 MHz speed grade; the -04 grade is 4 MHz and may not work at higher clock rates. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the standalone Microchip datasheet.

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PIC16C72-10/SS - 8-Bit CMOS MCU, 3.5KB EPROM, 22 I/O, SSOP-28
PIC16C72-10/SS

PIC16C72-10/SS - 8-Bit CMOS MCU, 3.5KB EPROM, 22 I/O, SSOP-28

The Microchip Technology PIC16C72-10/SS is an 8-bit CMOS RISC microcontroller from the PIC16C7X mid-range family, integrating 3.5KB of One-Time-Programmable (OTP) EPROM program memory, 128 bytes of RAM, and a 5-channel 8-bit analog-to-digital (A/D) converter in a 28-pin SSOP (Shrink Small Outline Package) supplied in tube packaging. It operates from a 2.0V to 6.0V supply range, delivers up to 10 MHz clock input (the "-10" speed grade), supports 22 digital I/O pins, and is rated for the commercial 0C to +70C temperature window with CMOS low-power operation. What is a PIC16C72 microcontroller? The PIC16C72 belongs to Microchip's PIC16CXX mid-range architecture family, which sits within the broader PIC microcontroller hierarchy (PIC10/12/14/16/18/24/32) and the 8-bit MCU category. Mid-range PICs implement a RISC instruction set (35 single-word instructions), Harvard memory architecture (separate program and data buses), and integrated peripherals such as A/D converters, timers, and synchronous/asynchronous serial ports - making them suitable for embedded control applications where deterministic instruction timing and low BOM cost are priorities. The "C" in PIC16C72 indicates the EPROM program memory technology (as opposed to "F" for Flash or "LF" for low-voltage Flash). Key features include three I/O ports (PORTA, PORTB, PORTC), two 8-bit timer/counters (Timer0, Timer2) plus one 16-bit timer (Timer1), a Synchronous Serial Port (SSP) supporting SPI and I2C, 22 general-purpose digital I/O lines with individual direction control, an analog comparator, and a 5-channel 8-bit A/D converter with selectable reference. The Harvard bus architecture and 14-bit instruction word allow most instructions to execute in a single 200 ns instruction cycle at 20 MHz, or 400 ns at 10 MHz (the -10 grade), supporting predictable interrupt latency in real-time control loops. Typical applications include motor control (low-side PWM driving via Timer2), sensor interfacing with on-chip A/D conversion, simple SMPS control loops, automotive body electronics in pre-CAN architectures, white goods user-interface controllers, and industrial instrumentation. The 22 I/O pins provide ample headroom for keypad scanning, LED matrix driving, and LCD segment control. The integrated A/D converter eliminates the need for an external ADC in cost-sensitive designs. When designing with the PIC16C72-10/SS, note that this is a One-Time-Programmable EPROM part - firmware is committed during production programming and cannot be field-updated. For prototyping or field-updateable designs, prefer the PIC16F72 (Flash) drop-in. Always place a 0.1 uF decoupling capacitor within 5 mm of the VDD pin and connect the MCLR pin through a 10 kohm pull-up to VDD for reliable reset behavior. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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PIC16C72-10E/SS - 8-Bit 10MHz OTP MCU 3.5KB | Microchip
PIC16C72-10E/SS

PIC16C72-10E/SS - 8-Bit 10MHz OTP MCU 3.5KB | Microchip

The Microchip Technology PIC16C72-10E/SS is an 8-bit CMOS RISC microcontroller in the PIC16C7X mid-range family, integrating 3.5KB (2K x 14) of One-Time-Programmable (OTP) program memory, 128 bytes of RAM, and a 5-channel 8-bit analog-to-digital converter (ADC) in a 28-pin SSOP package. It operates from DC up to a 10 MHz clock input with 200 ns instruction cycle and is rated for the extended automotive temperature grade of -40C to +125C, as indicated by the "E" designator in the part number. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory, data memory, and peripherals. Within the component taxonomy, the PIC16C72 sits in the 8-bit MCU tier of the broader microcontroller category, which itself belongs to the integrated circuit and embedded semiconductor hierarchy. OTP program memory means the device can be programmed exactly once and is intended for cost-sensitive production runs where field reprogrammability is not required. The RISC architecture executes 35 single-word instructions, with all instructions completing in one instruction cycle except program branches, which take two cycles. Key features include 22 digital I/O lines, an integrated I2C/SPI peripheral interface, a Pulse-Width Modulation (PWM) module, a Watchdog Timer (WDT) for safe operation, Brown-out Detect/Reset, and Power-On Reset (POR). The integrated 8-bit ADC provides five input channels for direct sensor interfacing without an external converter, which simplifies BOM and board area. The PIC16C72 family is well documented in the official Microchip datasheet and supported by the standard PICmicro mid-range toolchain (MPLAB IDE, MPASM assembler, and ICD in-circuit debug). Typical applications include automotive body and chassis controllers, small appliance control, sensor signal conditioning nodes, low-end consumer electronics, and industrial control modules. The 28-SSOP package offers a compact surface-mount footprint for space-constrained designs while retaining through-hole-style ease of hand-rework on the bench. When designing with this device, note that OTP memory cannot be erased or reprogrammed; plan for code revision control and use a windowed (JW) or flash-based PIC16F72 for development and prototype runs. Power supply decoupling of 0.1 uF close to VDD and proper ground layout are required for reliable ADC operation. This page synthesizes distributor pricing, drop-in same-package alternatives, and engineering design notes not aggregated on a single manufacturer or distributor page.

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PIC16C72-10I/SO - 8-Bit 10MHz OTP MCU 3.5KB | Microchip
PIC16C72-10I/SO

PIC16C72-10I/SO - 8-Bit 10MHz OTP MCU 3.5KB | Microchip

The Microchip Technology PIC16C72-10I/SO is an 8-bit RISC microcontroller from the PIC16C mid-range family, featuring 3.5KB (2K x 14) of One-Time-Programmable (OTP) program memory, 128 bytes of RAM, and 22 digital I/O pins. It operates at up to 10 MHz clock speed from a 4.0V to 5.5V supply and is housed in a 28-pin SOIC (SO) wide-body package with industrial temperature grade (-40C to +85C). An OTP-based 8-bit microcontroller (MCU) is a single-chip computer built around a Harvard-architecture RISC CPU that executes one instruction per clock cycle. The 'C' suffix indicates OTP EPROM program memory, which is programmed once and not erasable - well-suited to volume production of embedded products where firmware is final. In the broader taxonomy, OTP MCUs sit between one-time-programmable EPROM devices and modern flash-based MCUs, with PIC16C72 falling under mid-range PIC microcontrollers -> 8-bit microcontrollers -> microcontrollers -> integrated circuits -> semiconductors. Key features include a 10 MHz maximum clock frequency, 5-channel 8-bit analog-to-digital converter (A/D), one 8-bit timer/counter with 8-bit prescaler (Timer0), a watchdog timer, and brown-out reset (BOR) circuitry. The device supports both RC oscillator and crystal/resonator clock modes, plus an in-circuit serial programming (ICSP) interface for production programming. The integrated peripherals reduce external component count, allowing compact and cost-sensitive embedded designs. The PIC16C72 architecture uses a 14-bit instruction word with a 35-instruction set, enabling compact code generation and predictable interrupt response. A two-stack hardware call return mechanism simplifies subroutine management, while the Harvard bus separates program and data memory to prevent fetch collisions during pipelined execution - a hallmark of PIC mid-range performance efficiency. Typical applications include appliance control, automotive body electronics, industrial sensor interfaces, security and alarm panels, and white-goods user-interface controllers. The industrial temperature grade makes the PIC16C72-10I/SO particularly suited for factory-floor equipment and outdoor enclosures. When designing with this device, ensure program memory usage stays below 2K instructions (3.5KB), because OTP parts cannot be field-upgraded. Migration to PIC16F72 flash-based variant is recommended for prototypes, while reserving OTP PIC16C72 for production runs. This page synthesizes distributor pricing, drop-in OTP MCU alternatives, and practical design notes not found in the manufacturer datasheet alone.

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PIC16C72-10I/SP - 8-bit OTP MCU, 3.5KB, 22 I/O, SPDIP-28 | Microchip
PIC16C72-10I/SP

PIC16C72-10I/SP - 8-bit OTP MCU, 3.5KB, 22 I/O, SPDIP-28 | Microchip

The Microchip Technology PIC16C72-10I/SP is an 8-bit CMOS RISC microcontroller from the PIC16C7X mid-range family, integrating an analog-to-digital converter in a 28-pin SPDIP (Skinny Plastic DIP) through-hole package. It offers 3.5KB of OTP (One-Time-Programmable) program memory, organized as 2K x 14 words, 128 bytes of data RAM, 22 I/O pins, a 10 MHz maximum clock input, and operates from 4.0V to 5.5V. According to Microchip's PIC16C72 family datasheet, the device uses a high-performance RISC CPU with only 35 single-word instructions, eight-level deep hardware stack, and supports in-circuit serial programming. What is an 8-bit OTP microcontroller? An OTP (One-Time-Programmable) microcontroller embeds non-volatile program memory that can be written once, after which the bit pattern is permanent. These devices sit within the broader taxonomy: microcontroller -> embedded MCU -> 8-bit MCU -> RISC MCU -> PIC mid-range family. They are commonly used in cost-sensitive, high-volume production where firmware is finalized and code-update is not required, replacing older masked-ROM parts in industrial control, appliance, and instrumentation applications. Key features include a 10 MHz oscillator input (200 ns instruction cycle), three timer modules (Timer0 with 8-bit prescaler, Timer1 16-bit, Timer2 8-bit with postscaler), a capture/compare/PWM (CCP) module, an 8-bit multichannel A/D converter, Brown-out Reset (BOR), and a watchdog timer. The device consumes very low power, making it suitable for mains-powered and battery-friendly designs. The architecture is built on a Harvard-style memory map with separate program and data buses, allowing instruction fetch and operand access in a single cycle for most instructions. The CMOS process provides low quiescent current, supporting sleep and idle modes for power-aware designs. The 28-pin SPDIP footprint is a long-standing Microchip mid-range package, fully compatible with PIC16C71, PIC16C712, PIC16C715, PIC16C716, and PIC16F72 family members per Microchip's PinPack compatibility chart. Typical applications include industrial control and sensor conditioning nodes, small consumer appliances, security and alarm panels, HVAC controllers, motor-drive interface boards, and instrumentation front ends. The on-chip ADC is well suited to potentiometer, thermistor, and 4-20 mA loop signal acquisition where a single-chip solution is preferred. When designing with this part, ensure the 10 MHz clock signal is applied to OSC1 (pin 9) and the MCLR/VPP pin (pin 1) is tied through a pull-up resistor to VDD, since OTP parts cannot be reprogrammed and a clean reset is critical during in-system programming. This page synthesizes distributor pricing, cross-reference alternatives, and practical design notes not found in the manufacturer datasheet.

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PIC16C72-20/SO - 8-Bit 20MHz CMOS OTP MCU | Microchip
PIC16C72-20/SO

PIC16C72-20/SO - 8-Bit 20MHz CMOS OTP MCU | Microchip

The Microchip PIC16C72-20/SO is an 8-bit CMOS RISC microcontroller in the PIC16C7X mid-range family, integrating 3.5KB (2K x 14) of One-Time-Programmable (OTP) program memory, 128 bytes of RAM, and a 5-channel 8-bit A/D converter, all housed in a 28-pin SOIC wide-body package. It operates from a 20 MHz oscillator (200 ns instruction cycle) across a 2.5V to 6.0V supply range, delivers 25 mA source/sink per I/O, and includes 33 instruction set entries with all single-cycle except program branches which take two cycles. As an OTP variant the program memory can be written once via standard programmer tools and is non-erasable, making the part suitable for low-cost, moderate-volume production. A microcontroller (MCU) is a single-chip computer containing a processor core, program memory, working RAM, and peripheral blocks such as timers, A/D converters and serial interfaces. The PIC16C7X mid-range family sits in the PIC16CXX hierarchy below enhanced 16-bit families and above baseline 12-bit/14-bit cores; the PIC16C72 specifically targets cost-sensitive embedded control applications that need on-chip analog conversion without the cost of a Flash MCU. Within the power management and signal-conditioning ecosystem the PIC16C72-20/SO is often paired with LDO regulators (for example Microchip MCP1700) to provide a clean 5 V rail from a wider input bus. Key differentiating features include the integrated 8-bit A/D converter (5 channels), two 8-bit timers plus one 16-bit timer with capture/compare/PWM capability, a synchronous/asynchronous USART for serial communication, and 22 digital I/O pins. The device offers DC to 20 MHz operation, industrial (-40C to +85C) temperature grade in this /SO commercial-rated package, and a brown-out reset (BOR) and watchdog timer for field reliability. The 28-pin SOIC wide-body (SO) footprint provides easier hand-soldering and inspection than SSOP variants while still being surface-mount. Architecturally the PIC16C72 uses a Harvard architecture with separate program and data buses, a 14-bit instruction word, and a 35-instruction RISC-like instruction set. The OTP program memory is implemented as EPROM cells requiring UV-erasable reprogramming only during development; production units are one-time programmable, which lowers unit cost versus Flash parts. The 8-bit A/D converter is successive-approximation type with a sample-and-hold, selectable reference, and conversion speeds around 20 us, adequate for low-bandwidth sensor sampling. The USART supports both synchronous and asynchronous modes at programmable baud rates. Typical applications include HVAC thermostat controls, appliance user-interface panels, low-end motor control (fans, small pumps), battery charger front-end controllers, security sensor interface boards, and educational microcontroller teaching kits. The integrated A/D eliminates the need for an external ADC in most analog sensing tasks, and the OTP memory reduces per-unit cost in volume. When designing with the PIC16C72-20/SO, plan for OTP programming via a Microchip-compatible device programmer (for example PICSTART Plus or MPLAB PM3) since in-system programming is not supported on OTP parts. For new designs consider the Flash-based PIC16F72 as a pin-compatible migration path, since the original PIC16C72 has been superseded by PIC16C72A and PIC16F72 per the Microchip product page. Reserve decoupling of at least 0.1 uF close to VDD and bulk 10 uF on the analog AVdd rail when using the A/D converter. This page synthesizes distributor stock and pricing, drop-in alternatives sourced from Microchip pin-compatibility charts, and practical design notes not aggregated on the manufacturer datasheet cover.

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PIC16C72-20/SP - 8-Bit OTP MCU 20MHz 3.5KB | Microchip
PIC16C72-20/SP

PIC16C72-20/SP - 8-Bit OTP MCU 20MHz 3.5KB | Microchip

The Microchip Technology PIC16C72-20/SP is a low-cost, high-performance, CMOS, fully-static 8-bit microcontroller in the PIC16CXX mid-range family, integrating 3.5KB (2K x 14) of One-Time-Programmable (OTP) program memory, 128 bytes of RAM, 22 digital I/O lines, and a multi-channel 8-bit Analog-to-Digital Converter, all housed in a 28-pin SPDIP (0.300 inch, 7.62mm) through-hole package. It operates at up to 20MHz instruction clock and is supplied at 5V nominal. What is a microcontroller? A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (ROM/Flash/OTP), data memory (RAM), peripherals (timers, ADC, communication interfaces), and I/O on one die. The PIC16C72 belongs to the broader taxonomy: microcontroller -> 8-bit MCU -> PIC16 mid-range family -> RISC Harvard-architecture MCU -> embedded controller. Mid-range PIC MCUs use a 14-bit instruction word with separate program and data buses, providing deterministic single-cycle execution for many instructions. Key differentiating specifications include: 20MHz maximum clock (200ns instruction cycle), 3.5KB OTP program memory allowing in-system one-time programming during prototyping or low-volume production, 128 bytes of general-purpose RAM, an integrated 8-bit ADC with 5 analog input channels, two 8-bit timers and one 16-bit timer (Timer0/Timer1/Timer2), a Universal Synchronous/Asynchronous Receiver-Transmitter (USART/SCI), and a synchronous serial port (SSP) supporting SPI and I2C master/slave modes. The PIC16C72's architecture is based on Microchip's enhanced mid-range RISC core with a hardware stack depth of 8 levels, 35 single-word instructions, and 8 hardware interrupt sources. The integrated 5-channel 8-bit ADC with sample-and-hold eliminates external ADC chips in simple sensor-interface designs. OTP memory suits cost-sensitive applications where firmware is finalized and large production runs amortize the programming cost. Typical applications include appliance control boards, automotive body electronics (non-safety subsystems), industrial sensor interface modules, simple user-interface panels, motor control feedback loops, battery chargers, and consumer-electronic sub-controllers. The 22 I/O lines and 5 ADC channels handle button scanning, LED driving, relay control, and analog sensor reading without external glue logic. Design consideration: Because OTP memory can be programmed only once, place the device in a socket during development to allow swap-out, or use the PIC16C72A/PIC16F72 flash-based variants for iterative prototyping. Power-supply decoupling requires a 0.1uF ceramic capacitor within 5mm of VDD, with a bulk 10uF electrolytic on the main 5V rail. This page synthesizes distributor pricing, drop-in alternatives, and design considerations not consolidated on any single manufacturer page - giving engineers a faster path from datasheet to working prototype.

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PIC16C72-20/SS - 8-Bit 20MHz OTP MCU, 3.5KB EPROM, 28-SSOP | Microchip
PIC16C72-20/SS

PIC16C72-20/SS - 8-Bit 20MHz OTP MCU, 3.5KB EPROM, 28-SSOP | Microchip

The Microchip Technology PIC16C72-20/SS is an 8-bit RISC microcontroller from the PIC16C family, running at 20MHz with 3.5KB (2K x 14) of One-Time Programmable (OTP) program memory, housed in a 28-pin SSOP package. The /SS suffix designates the narrow-body 5.30mm SSOP, surface-mount, tube-packaged variant intended for commercial temperature grade applications. A PIC microcontroller is a compact microcontroller unit (MCU) built on a Harvard-architecture RISC core, integrating CPU, non-volatile program memory, RAM, and peripherals on a single die. PIC16C-series parts occupy the mid-range position of Microchip's 8-bit line - below PIC18 in performance and above PIC10/PIC12 in capability - targeting cost-sensitive embedded control. The PIC16C72 family specifically combines 8-channel 8-bit ADC, capture/compare/PWM, and USART peripherals, making it a typical PIC16C mid-tier general-purpose MCU. Key features of the PIC16C72-20/SS include 20MHz maximum clock speed, 3.5KB (2K x 14) of OTP program memory, 128 bytes of data RAM, 13 digital I/O pins, an 8-channel 8-bit A/D converter, a Timer0 8-bit timer/counter with 8-bit prescaler, and a capture/compare/PWM module. Brown-out Reset (BOR) circuitry protects against low-voltage lockups, while an operating voltage range of 4.0V to 5.5V (per one source's 4 to 5.5V listing) supports the legacy 5V embedded ecosystem. The part is sourced as commercial grade with SSOP-28 surface-mount packaging. Architecturally, the PIC16C72-20/SS uses a 14-bit instruction word with a Harvard-separated program/data bus, eight-level stack, and 35 single-cycle instructions (excluding branches). The 8-bit ADC uses successive approximation with analog input multiplexing across 5 channels (per the PIC16C72 datasheet's standard pinout) or 8 channels (per varying distributor descriptions - consult datasheet for authoritative count). The PWM module supports capture, compare, and PWM functions via a 16-bit timer base. Typical applications include industrial control loops (using ADC + PWM), sensor signal conditioning, low-speed serial communication via USART, white-goods motor control, and legacy 5V embedded designs. It also fits automotive body electronics, HVAC control boards, and consumer appliance controllers where cost-sensitive 8-bit MCU performance is sufficient. When designing with this device, consider that the OTP memory cannot be reprogrammed - field updates require a Flash-based variant such as the PIC16F72. Ensure 5V supply regulation and decoupling per datasheet recommendations, and verify ADC reference voltage stability for measurement accuracy. This page synthesizes distributor pricing, drop-in PIC16C72-family alternatives, and practical design notes that go beyond what appears on a single DigiKey or Mouser listing.

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PIC16C72-20E/SO - 8-bit OTP MCU, 3.5KB ROM, 28-SOIC | Microchip
PIC16C72-20E/SO

PIC16C72-20E/SO - 8-bit OTP MCU, 3.5KB ROM, 28-SOIC | Microchip

The Microchip Technology PIC16C72-20E/SO is a 28-pin SOIC-packaged 8-bit CMOS RISC microcontroller from the PIC16C7X family, featuring 3.5KB of one-time-programmable (OTP) program memory, 128 bytes of RAM, and a 20 MHz maximum operating frequency. The device integrates a 13-channel 8-bit analog-to-digital converter (ADC), a Timer0 8-bit timer/counter with 8-bit prescaler, and Brown-out Reset (BOR) circuitry for robust power-supply tolerance. A microcontroller (MCU) is a single-chip computer that combines a processor core, program memory, working RAM, and peripheral interfaces such as timers, ADC channels, and digital I/O into one IC. Within the broader semiconductor taxonomy, an MCU sits beneath microprocessor and embedded-processor categories and above application-specific ICs; the PIC16C7X family specifically occupies the mid-range PIC16CXX architecture, which targets cost-sensitive 8-bit applications requiring integrated analog peripherals without the overhead of a full 16- or 32-bit core. The OTP variant uses one-time-programmable EPROM for program storage, making it suited for production runs where firmware is fixed at build time. Key features of the PIC16C72-20E/SO include a 4-to-5.5 V single-supply operating range, 13 I/O pins with individual direction control, a programmable watchdog timer, an internal oscillator option, and an automotive temperature grade (the -20E suffix designates the extended operating temperature range). The RISC architecture executes most instructions in a single 200 ns instruction cycle at 20 MHz, providing deterministic throughput for real-time control loops. Brown-out detection prevents code corruption during supply voltage dips below the safe operating threshold. The architecture uses a Harvard-style memory organization with separate program and data buses, which allows instruction fetch and operand access to occur in the same cycle. The integrated ADC supports successive-approximation conversion across 13 input channels, multiplexed onto a single sample-and-hold, enabling direct interface to potentiometers, sensor bridges, and battery monitoring nodes. The SOIC-28 (300 mil) package provides a 0.300 inch body width compatible with standard surface-mount assembly. Typical applications for the PIC16C72-20E/SO include automotive body controllers, HVAC damper drivers, simple sensor-conditioner nodes, and small appliance control boards. The combination of integrated ADC, BOR, and automotive temperature grade makes it a common choice for under-hood and dashboard subsystems where external analog components would otherwise add cost and board area. When designing with this device, allocate at least four I/O pins for in-system programming or debug header access. Decouple VDD with a 100 nF ceramic capacitor placed within 5 mm of the supply pin to suppress switching-induced supply noise that could trigger false BOR events. The PIC16C72-20E/SO is being phased out; Microchip recommends migrating to the PIC16C72A or the PIC16F72 (Flash-based) for new designs. This page synthesizes distributor pricing, same-brand drop-in alternates, and design notes not found in the manufacturer datasheet.

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PIC16C72-20E/SP - 8-Bit 20MHz OTP MCU 3.5KB | Microchip
PIC16C72-20E/SP

PIC16C72-20E/SP - 8-Bit 20MHz OTP MCU 3.5KB | Microchip

The Microchip Technology PIC16C72-20E/SP is an 8-bit RISC CMOS microcontroller with integrated analog-to-digital converter, 3.5KB (2K x 14) One-Time-Programmable (OTP) program memory, 128 bytes of RAM, and 13 digital I/O pins, packaged in a 28-pin SPDIP (0.300 inch plastic DIP) through-hole enclosure. According to the Microchip datasheet, it executes 35 single-word instructions, all of which are single-cycle except program branches that take two cycles, delivering an instruction cycle time of 200 ns at the 20 MHz maximum clock input. Operating voltage spans 4.0 V to 5.5 V across the industrial temperature range of -40 °C to +125 °C. What is a PIC16C 8-bit microcontroller? The PIC16C7X family sits within Microchip's mid-range PIC16C architecture, which is a Harvard-class RISC core that separates program and data memory for deterministic single-cycle instruction fetch. PIC microcontrollers occupy the broader 8-bit MCU category alongside 8051 and AVR families, and serve as embedded controllers in appliance, automotive, and industrial subsystems where deterministic interrupt response and ultra-low static power consumption are valued over raw compute throughput. Key features include a Timer0 8-bit timer/counter with 8-bit prescaler, a multi-channel 8-bit analog-to-digital converter, and on-chip Brown-out Reset (BOR) circuitry that holds the device in reset when VDD drops below the BOR threshold - preventing code corruption during brown-out events common in 24 V industrial supply rails. The device is offered in industrial (-40 °C to +85 °C) and extended (-40 °C to +125 °C) temperature grades, with the -20E suffix designating the 20 MHz speed grade and Extended temperature range. The 'E' also indicates the OTP/EPROM program memory technology rather than the later Flash-based PIC16F variants. Architecture-wise, the PIC16C72 uses an OTP EPROM cell programmed with a standard EPROM programmer and erased only by UV exposure in a windowed ceramic package variant (PIC16C72/JW), making it best suited for low-to-medium volume production where mask-ROM or Flash re-programmability is not required. On-chip peripherals include one capture/compare/PWM (CCP) module, a USART for asynchronous serial communications, and a synchronous serial port (SSP) for SPI/I2C master-slave operation. Compared with the later PIC16F72 Flash sibling, the PIC16C72-20E offers identical peripheral topology but trades re-programmability for the simpler one-time programmable cell that historically delivered tighter cost in volume. Typical applications include appliance control boards, HVAC thermostats, automotive body controllers, industrial sensor signal conditioning, battery charger front-ends, and remote-controlled toys. The 28-pin SPDIP footprint also makes it a popular prototype package for breadboard and through-hole hobbyist designs where the DIP form factor simplifies rework. For new designs, Microchip recommends the PIC16C72A or PIC16F72 as successors offering identical pinout with Flash memory and improved ADC performance. When designing with this part, consider that OTP devices cannot be reprogrammed in-circuit - firmware must be fully validated before committing to production programming. Provide a decoupling capacitor of at least 0.1 µF directly between VDD and VSS pins, place the MCLR pull-up within 25 mm of the pin to avoid spurious resets, and reserve the OSC1/OSC2 traces as short as possible to minimize EMI radiation from the high-impedance crystal node. This page synthesizes current distributor pricing across DigiKey, Mouser, Octopart, and Heisener, plus drop-in alternative recommendations and practical design notes not consolidated on the manufacturer datasheet front page.

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