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PIC16C773/SP

PIC16C773/SP - 8-Bit 20MHz CMOS OTP MCU w/ 12-bit ADC | Microchip

The Microchip Technology PIC16C773/SP is an 8-bit CMOS OTP-based microcontroller in the PIC16C family, featuring 7KB (4K x 14) of program memory, 256 bytes of RAM, 22 I/O lines, and an integrated 12-bit Analog-to-Digital converter with 6 input channels, housed in a 28-pin SPDIP (Skinny Plastic DIP) package. Key features include a 20 MHz maximum clock speed (200 ns instruction cycle), 35 single-word instructions, an architecture that is upwards compatible with the PIC16C5X and PIC12CXXX device families, an operating voltage range of 4.0 V to 5.5 V, and an industrial operating temperature range of 0°C to +70°C. The integrated 12-bit A/D converter eliminates the need for external signal-conditioning circuitry in precision measurement applications. The PIC16C773/SP uses Microchip's proven Harvard RISC architecture with separate code and data buses, enabling single-cycle instruction fetch and execution at 20 MHz. The 12-bit ADC provides 4096 discrete output codes (vs. 1024 for 10-bit converters), enabling finer discrimination of small analog signal changes for transducer and instrumentation designs. OTP (One-Time Programmable) memory allows final firmware commitment at production time at lower per-unit cost than windowed EPROM. Typical applications include industrial process control instrumentation, sensor signal conditioning, motor control feedback loops, multi-channel data acquisition systems, and embedded control subsystems requiring moderate computational throughput and precision analog measurement. The PIC16C773 was historically used in HVAC controllers, medical instrumentation, and automotive subsystems. When designing with this device, ensure the MCLR pin is properly biased and that the oscillator configuration (RC, XT, HS, LP) matches the crystal or resonator used. The 12-bit ADC requires an adequate reference voltage source; VR+ and VR- pins must be driven by a low-impedance reference for rated accuracy.

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PIC16C773/SS

PIC16C773/SS - 8-Bit MCU, 7KB OTP, 12-bit ADC | Microchip

The Microchip Technology PIC16C773/SS is an 8-bit RISC microcontroller with 7KB (4K x 14) One-Time-Programmable (OTP) program memory, 256 bytes of RAM, and 22 digital I/O lines, operating at up to 20 MHz clock speed from a 4V to 5.5V supply. It is housed in a 28-pin SSOP (Shrink Small Outline Package) with 0.209 inch / 5.30 mm body width. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory, working RAM, and programmable peripherals onto one silicon die. The PIC16C family sits at the entry-level tier of Microchip's 8-bit PIC architecture, above base-line PIC10/12/14 parts but below PIC18/24 in terms of peripherals and code density. Within Microchip's taxonomy, PIC16C773 belongs to the PIC16C7x mid-range line that introduced on-chip 12-bit Analog-to-Digital conversion, bridging the gap between simple 8-bit controllers and the higher-end PIC17/18 families. The 'C' suffix denotes OTP EPROM program memory, whereas 'F' denotes Flash and 'LF' denotes low-voltage Flash equivalents. Key features include 6 channels of 12-bit ADC with high-precision measurement capability, an 8-bit timer/counter (TMR0), a 16-bit timer/counter (TMR1), a 8-bit timer/counter with 8-bit period register (TMR2), a Synchronous Serial Port (SSP) supporting SPI and I2C, a Universal Synchronous Asynchronous Receiver Transmitter (USART) with 9-bit address detection, and a parallel slave port. The brown-out reset (BOR) circuitry and watchdog timer (WDT) provide robust field operation. The PIC16C773 uses a Harvard architecture with a 14-bit instruction word and a separate 8-bit data path, achieving roughly 5 MIPS at 20 MHz. The 12-bit ADC integrates sample-and-hold and supports both single-ended and differential conversions with selectable acquisition time, allowing direct interfacing to sensors without external analog conditioning. The on-chip voltage reference and oscillator options reduce external component count. Typical applications include industrial process control, sensor signal conditioning, instrumentation data acquisition, motor control feedback loops, and embedded measurement systems. The 12-bit ADC is particularly attractive for precision temperature, pressure, and flow measurement where 10-bit conversion is insufficient but full 16-bit signal-chain cost is unjustified. When designing with this part, designers must remember that OTP memory cannot be re-programmed in-circuit; for prototyping, the PIC16C773-I/SS (Industrial temperature grade) or windowed CERDIP PIC16C773/JW variants are recommended. Adequate decoupling (100 nF ceramic close to VDD) and proper MCLR reset network are critical for ADC accuracy. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the bare manufacturer datasheet.

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PIC16C773T-E/SS

PIC16C773T-E/SS - 8-Bit 20MHz OTP MCU, 7KB, 28-SSOP | Microchip

The Microchip Technology PIC16C773T-E/SS is an 8-bit CMOS OTP-based microcontroller built on the PIC16C architecture, delivering 7KB (4K x 14) of one-time-programmable program memory with 20MHz maximum operating frequency and 200ns instruction execution time, housed in a 28-pin SSOP (5.30mm body width) surface-mount package. The device integrates 256 bytes of RAM, 22 digital I/O lines, a 12-bit Analog-to-Digital converter with 6 input channels, plus a USART and MSSP (I2C/SPI) communication peripherals, and operates across an industrial-extended temperature range of -40C to +125C from a 4.0V to 5.5V supply rail. A microcontroller (MCU) is a single-chip computer containing a CPU, program memory, data RAM, and configurable peripherals. The PIC16C family is the mid-range tier of Microchip's PIC architecture, positioned between the baseline PIC10/14 families and the high-pin-count PIC17/18 families, offering 35 single-word instructions and source-level compatibility with PIC16C5X and PIC12CXXX devices for easy migration. OTP (One-Time-Programmable) memory allows the user to program the device once during production with a custom firmware image, making it well suited to cost-sensitive high-volume embedded products where firmware changes are not required after deployment. Key features of the PIC16C773 include 200ns instruction execution at 20MHz, a hardware USART for asynchronous serial communication, a Master Synchronous Serial Port (MSSP) supporting both SPI and I2C master/slave modes, and a 12-bit successive-approximation ADC with up to 6 analog input channels sampled from device pins. The integrated peripherals are accessed through 22 general-purpose I/O pins, with programmable weak pull-ups and interrupt-on-change capability on selected ports for direct switch and keypad interfacing without external glue logic. Architecturally, the PIC16C773 uses a Harvard RISC core with separate program and data buses, a hardware multiplier, and a 14-bit instruction word that improves code density relative to 8-bit CISC architectures. The 12-bit ADC shares the analog input pins with port A and is suitable for sensor signal acquisition in industrial control loops, while the USART/MSSP combination enables communication with both legacy RS-232/RS-485 modems and modern I2C sensor buses. The 28-SSOP package provides moderate board footprint reduction versus the 28-pin PDIP, making the part attractive for space-constrained designs. Typical applications include industrial automation controllers, automotive body and chassis subsystems, sensor-interface modules, low-cost consumer electronics, HVAC controllers, and small appliance control boards. The 4-5.5V operating range, automotive -40C to +125C temperature grade (designated by the E suffix), and 12-bit ADC make it appropriate for harsh-environment analog measurement tasks. The OTP memory architecture suits designs with locked firmware images where the lower per-unit cost of OTP outweighs the field-reprogrammability of Flash-based PIC16F variants. A key design consideration for the PIC16C773T-E/SS is that OTP memory cannot be erased or rewritten, so the firmware must be fully validated before production programming. Engineers migrating from Flash-based PIC16F equivalents must use the same development toolchain (MPLAB X IDE, MPASM assembler, or C18 compiler) but plan for one-time-programming flow. This page synthesizes distributor pricing, drop-in same-package alternatives (including automotive-grade and Flash equivalents in the PIC16C family), and practical design notes that complement - but do not duplicate - the manufacturer datasheet.

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PIC16C773T-I/SO

PIC16C773T-I/SO - 8-bit OTP MCU 7KB ROM 22 I/O | Microchip

The Microchip Technology PIC16C773T-I/SO is a CMOS 8-bit one-time-programmable (OTP) PIC microcontroller built on the PIC16C7xx RISC core, offering 7 KB of program memory (4K x 14) and 256 bytes of data RAM in a 28-pin SOIC package. It executes instructions in 200 ns (20 MHz oscillator), supports a 4.0 V to 5.5 V supply range, and provides 22 digital I/O lines. Key features include six channels of 12-bit Analog-to-Digital (A/D) conversion, three 8-bit timers plus one 16-bit timer, a Universal Synchronous Asynchronous Receiver Transmitter (USART) with address detection, a Master Synchronous Serial Port (SSP) supporting SPI and I2C, and 35 single-word instructions for simplified programming. The T-suffix variant ships on tape-and-reel, while the I-suffix industrial temperature grade spans -40 C to +85 C. The PIC16C773T-I/SO uses Microchip's 8-bit Harvard architecture with separate program and data buses, allowing concurrent instruction fetch and operand access. The OTP EPROM cell technology enables prototype and small-volume manufacturing flows, while the wide operating range, on-chip peripherals, and 22 high-current I/O make it well-suited for mixed-signal embedded control tasks. Typical applications include industrial process control with analog sensor inputs, instrumentation and data acquisition front ends, motor control subsystems, white-goods and HVAC control boards, and low-cost consumer embedded products. The combination of 12-bit ADC precision and USART connectivity suits SCADA terminals and remote telemetry. When designing with this part, populate the configuration fuses correctly for oscillator selection, watchdog timer, and code protection. Plan OTP programming into the manufacturing flow, and confirm that the required 12-bit ADC performance is achievable given input-impedance and acquisition-time constraints. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, giving engineers an information-gain asset for component selection.

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PIC16C774-E/P

PIC16C774-E/P - 8-Bit OTP MCU 7KB 12-bit ADC 40-PDIP | Microchip

The Microchip Technology PIC16C774-E/P is an 8-bit CMOS OTP-based microcontroller in the PIC16C7x family, delivering 7KB (4K x 14 words) of program memory, 256 bytes of RAM, and 33 digital I/O lines in a 40-pin PDIP (E/P) through-hole package. It executes one instruction per 200 ns (20 MHz oscillator) using a RISC-style core with only 35 single-word instructions, and integrates a 10-channel, 12-bit Analog-to-Digital Converter (ADC) that allows high-precision measurement of analog signals without external signal-conditioning circuitry. What is a PIC16C 8-bit OTP microcontroller? It is a member of Microchip's mid-range PICmicro family built on a CMOS process and packaged in OTP (One-Time-Programmable) memory. It belongs to the broader taxonomy: 8-bit microcontroller -> embedded MCU -> microcontroller IC -> integrated circuit -> semiconductor. PIC mid-range MCUs are widely adopted in industrial control, instrumentation, and automotive subsystems because of their deterministic instruction timing, low power consumption, and a mature toolchain (MPLAB IDE + MPASM / XC8). Key differentiating features include 10 channels of 12-bit ADC (vs 8-bit ADC on many older PIC16C6x devices), three timer/counters (TMR0, TMR1, TMR2), a USART with hardware addressing, a synchronous serial port (SSP) for SPI / I2C, a Capture/Compare/PWM (CCP) module, and a programmable Brown-out Reset (BOR). The 'E' temperature grade extends operation from -40C to +125C, making the PIC16C774-E/P suitable for industrial and automotive-grade thermal environments. Architecturally, the device uses a Harvard bus with separate program (14-bit wide) and data (8-bit wide) paths, allowing instruction fetch and operand access in a single cycle. The 12-bit ADC is successive-approximation (SAR) type with a sample-and-hold front end and programmable acquisition time, and the analog reference can be tied to VDD, an external pin, or an internal bandgap on derivatives. Typical applications include industrial process control loops, multi-channel data acquisition front-ends, instrumentation front-panels, sensor signal conditioning, motor/valve control with closed-loop feedback, and automotive body/cluster subsystems where the extended temperature range is mandatory. The wide I/O count also supports keypad scanning and LCD drive. When designing with the PIC16C774-E/P, allocate at least one decoupling capacitor pair (100 nF + 10 uF) per VDD/VDDcore pin and keep the analog AVdd/AVss traces short and quiet. Because the part is OTP, code must be fully validated before programming; for engineering builds use the windowed PIC16C774/JW, and for production reprogrammability migrate to the flash-based PIC16F877A. This page synthesizes distributor pricing, drop-in alternatives, and design notes not found in the manufacturer datasheet to accelerate part selection and board bring-up.

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PIC16C774-E/PQ

PIC16C774-E/PQ - 8-Bit MCU, 7KB OTP, 12-bit ADC, 44-MQFP | Microchip

The Microchip Technology PIC16C774-E/PQ is an 8-bit CMOS microcontroller from the PIC16 family built on the RISC architecture, featuring 7KB (4K x 14) of one-time programmable (OTP) program memory, 256 x 8 bytes of RAM, and 33 digital I/O pins, all integrated into a 44-pin MQFP (10x10 mm) surface-mount package. The device executes instructions in a 200 ns cycle at a 20 MHz clock rate, balances powerful processing with a small 35-instruction instruction set, and operates from a single 4.0V to 5.5V supply across a -40C to +125C ambient temperature range suitable for industrial and automotive-grade designs. A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory (program + RAM), and programmable I/O peripherals, used to sense, control, and communicate in embedded systems. PIC microcontrollers sit in the 8-bit MCU category within the broader microcontroller hierarchy (4-bit -> 8-bit -> 16-bit -> 32-bit MCUs -> embedded processors), are widely deployed for deterministic real-time control, and offer low power, low cost, and easy in-circuit programmability. The PIC16C774-E/PQ specifically combines general-purpose digital I/O with high-precision analog conversion, making it a hybrid digital-plus-analog MCU. Key features include 10 channels of 12-bit A/D conversion (giving designers the ability to discriminate smaller signal changes and reduce external analog signal conditioning), on-chip peripherals for brown-out detect/reset (BOR), power-on reset (POR), pulse-width modulation (PWM), and a watchdog timer (WDT), and serial connectivity via I2C, SPI, and UART/USART. The 12-bit ADC resolution offers 16x the resolution of common 10-bit converters, allowing direct interface with precision sensors without external ADCs. The PIC16C774 architecture uses a Harvard-style RISC core with separate program/data buses, 14-bit-wide instruction words, and an external oscillator interface. Compared with PIC16C7x predecessors that offer 8-bit ADCs, the 12-bit ADC widens dynamic range by approximately 16x and reduces quantization noise, enabling measurements previously requiring dedicated ADC ICs. The OTP program memory is one-time programmable in-circuit, allowing rapid prototyping without package-specific windowed erase cycles. Typical applications include industrial automation control, precision sensor signal acquisition, motor and valve control, consumer electronics with analog front ends, automotive body and chassis subsystems, and instrumentation requiring mixed-signal acquisition. The 33 I/O pins and 10 ADC channels suit designs that previously required a microcontroller plus an external ADC. When designing with this device, note that OTP memory cannot be erased in-circuit. For development, choose the JW windowed ceramic variant, and reserve engineering samples for in-system validation. Decoupling the VDD/VSS pair with 0.1 uF ceramic capacitors close to the pins and following Microchip's recommended oscillator layout minimizes EMI and improves ADC accuracy. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not consolidated on a single manufacturer or distributor product page.

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PIC16C774-E/PT

PIC16C774-E/PT - 8-bit MCU 7KB OTP 33 I/O 12-bit ADC | Microchip

The Microchip Technology PIC16C774-E/PT is a high-performance 8-bit RISC microcontroller featuring 7KB of One-Time-Programmable (OTP) program memory, 256 bytes of RAM, and 33 digital I/O lines, all integrated into a 44-pin TQFP surface-mount package. The -E temperature grade variant supports the extended industrial range of -40°C to +125°C. The PIC16C774-E/PT operates across a 2.5V to 5.5V supply range and integrates a 10-channel, 12-bit Analog-to-Digital Converter (ADC), enabling high-resolution measurement of analog signals without external ADC circuitry. An 8-bit microcontroller (MCU) is a small, low-cost computer-on-a-chip that integrates a CPU, memory (ROM/RAM), and peripherals on a single silicon die. 8-bit MCUs sit at the entry tier of the microcontroller taxonomy: 8-bit microcontroller -> microcontroller -> embedded processor -> semiconductor device. They excel in deterministic, bit-level control tasks and remain widely deployed where cost, simplicity, and real-time responsiveness outweigh the throughput demands satisfied by 32-bit cores. The PIC16C774 series belongs to Microchip's mid-range PIC16 family, which uses a 14-bit instruction word and Harvard architecture. Key features of the PIC16C774-E/PT include the 10-channel 12-bit ADC with up to 12 input channels (some shared with digital I/O), two 8-bit timers plus one 16-bit timer, a Universal Synchronous Asynchronous Receiver Transmitter (USART), a Synchronous Serial Port (SSP) supporting SPI and I²C, and a Capture/Compare/PWM (CCP) module. The device supports up to 20 MHz oscillator input and a 5 MIPS instruction throughput. Brown-out Reset (BOR), Power-on Reset (POR), and a Watchdog Timer with its own on-chip RC oscillator provide robust field reliability. Architecturally, the PIC16C774 pairs a Harvard bus with a 14-bit-wide program memory path and an 8-bit data path, which keeps the instruction fetch and execution overlapping for predictable 200 ns cycle times at 20 MHz. The OTP memory allows one-time factory or in-circuit programming of code and constants, making the part well-suited to low-to-medium volume production runs where mask-ROM economics are unfavorable. The 12-bit ADC uses a successive-approximation register with sample-and-hold, and dedicated analog inputs can be multiplexed across the 33 I/O pins. Typical applications include industrial process control loops, sensor signal conditioning, motor control front-ends, instrumentation data acquisition, automotive body electronics, and embedded control subsystems in medical and consumer appliances. The wide temperature range and 12-bit ADC precision particularly suit battery monitoring, multi-channel temperature scanning, and closed-loop analog control. In automotive body controllers, the same ADC bandwidth plus the USART links cleanly to LIN-based communication transceivers. When designing with the PIC16C774-E/PT, observe the absolute maximum VDD of 7.5V and decouple VDD with a 0.1 µF ceramic capacitor placed within 5 mm of the supply pin. Configure unused I/O as outputs and tie them to ground to minimize ADC noise injection. The MCLR pin should be tied through a 10 kΩ pull-up to VDD, with a 100 nF cap to ground for ESD hardening. This page synthesizes distributor pricing, drop-in pin-compatible alternatives, and practical design notes not found in the bare manufacturer datasheet.

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PIC16C774-I/L

PIC16C774-I/L - 8-bit OTP MCU 7KB EPROM 12-bit ADC | Microchip

The Microchip Technology PIC16C774-I/L is an 8-bit CMOS OTP-based microcontroller built on the PIC16C architecture, featuring 7 KB (4K x 14) of one-time-programmable program memory, 256 bytes of RAM, and 33 digital I/O lines, all integrated in a 44-pin PLCC package. It executes instructions in a 200 ns cycle (20 MHz clock) from a 35-instruction RISC set, providing 5 MIPS of throughput while maintaining a wide 4 V to 5.5 V supply range. What is an 8-bit OTP microcontroller? An 8-bit microcontroller (MCU) is a small computer-on-a-chip with an 8-bit data path, ALU, program memory, RAM, and integrated peripherals such as timers and ADCs. OTP (One-Time Programmable) program memory uses EPROM cells that can be written only once via a programmer and cannot be erased, making OTP parts a low-cost option for production volumes. PIC16C-series devices are mid-range Microchip parts in the PIC microcontroller hierarchy: PIC10/12/16/18 -> PIC16C (mid-range, 14-bit instruction) -> PIC16C77x family -> PIC16C774 specifically. Key features include 10 channels of 12-bit resolution Analog-to-Digital conversion (a notable upgrade over the 8-bit ADC of earlier PIC16C7x parts), a USART with addressable SPI/I2C support, two 8-bit timers plus one 16-bit timer with capture/compare/PWM, a Watchdog Timer, and dual analog comparators. The 12-bit ADC enables discrimination of smaller analog signal changes and eliminates the need for external precision analog front-end circuitry, simplifying sensor and instrumentation designs. The PIC16C774-I/L uses an industry-standard PIC16C RISC pipeline with a 14-bit program word and Harvard architecture (separate program and data buses). The 12-bit successive-approximation ADC includes sample-and-hold, selectable acquisition time, and operates in sleep mode with the RC oscillator. Brown-out Reset and Power-on Reset are integrated, reducing external component count. The -I suffix denotes industrial temperature grade (-40C to +85C); the /L suffix denotes the 44-pin PLCC (windowed ceramic in the /JW variant) package. Typical applications include industrial process control systems with multi-channel sensor acquisition, portable data loggers, automotive body and chassis subsystems (non-safety), instrumentation and measurement equipment, and educational/embedded training platforms. The 12-bit ADC and 33 I/O make it suitable for mixed-signal designs where moderate resolution and ample digital I/O are required. Design considerations include selecting the proper oscillator configuration (HS, XT, LP, RC), adding 0.1 uF decoupling near VDD pins, and routing analog and digital grounds to a single point. For high-ADC-resolution designs, place the analog supply trace away from switching nodes. OTP memory means firmware changes require a new device, so production code must be fully validated before programming. For in-circuit reprogrammability consider the flash-based PIC16F877 family as a modern alternative.

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PIC16C774-I/P

PIC16C774-I/P - 8-Bit 20MHz 7KB OTP MCU | Microchip | PDIP-40

The Microchip Technology PIC16C774-I/P is an 8-bit CMOS OTP-based RISC microcontroller packaged in a 40-pin PDIP (through-hole) form factor. It integrates 7KB (4K x 14) of One-Time-Programmable program memory, 256 bytes of RAM, 33 digital I/O lines, and 10 channels of 12-bit Analog-to-Digital (A/D) conversion, executing instructions at 20MHz with a 200ns instruction cycle. The industrial-temperature (-40C to +85C) PIC16C774 is part of the PIC16C77x mid-range family and is upward code-compatible with the PIC16C5X and PIC12CXXX devices. An 8-bit microcontroller (MCU) is a small computer-on-a-chip built around an 8-bit data bus and CPU core, typically used in embedded control applications. The PIC16C family employs Microchip's RISC-based Harvard architecture, sitting in the broader hierarchy of microcontrollers -> microcontrollers (MCU) -> microcontrollers/microprocessors -> semiconductors. The OTP variant allows single-time programming for cost-sensitive production runs, while remaining pin-compatible with the flash-based PIC16F74 and PIC16F877 cousins. Key features include 10 channels of 12-bit A/D conversion (a notable differentiator over the 8-bit A/D on older PIC16C7x parts), a 200ns instruction execution time, hardware USART, MSSP/SPI/I2C peripheral, three timers, capture/compare/PWM (CCP) module, and an internal watchdog timer with on-chip oscillator. The 33 I/O pins drive LEDs, relays, and low-power logic directly. Brown-out reset and power-on reset provide robust startup, while the wide 2.5V-5.5V operating range simplifies multi-rail designs. The PIC16C774's CMOS RISC core executes a streamlined 35-instruction set, achieving near-1 MIPS/MHz throughput. Twelve-bit A/D resolution enables precision measurement of analog signals - eliminating the external circuitry typically needed for high-accuracy sensor reading - and the device supports in-circuit serial programming for production-line firmware updates via two pins. Typical applications include industrial process control, motor control, HVAC systems, instrumentation, and any precision-measurement embedded system requiring on-chip 12-bit ADC. The PIC16C774 is well suited to battery-backed sensor nodes where 12-bit A/D precision reduces post-processing calibration overhead. When designing with this device, allocate enough decoupling (0.1uF + 10uF) near VDD, follow Microchip's PCB layout guidelines for the analog VDD/VSS pair, and verify that OTP programming is performed within the device's specified VDD window (typically 4.5V-5.5V). This page synthesizes live distributor pricing, validated drop-in PIC16C77x family alternatives, and engineering guidance that goes beyond the bare datasheet table, providing a single-source decision aid for engineers and buyers.

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PIC16C774-I/PQ

PIC16C774-I/PQ - 8-Bit 20MHz 7KB OTP MCU, 12-bit ADC | Microchip

The Microchip Technology PIC16C774-I/PQ is an 8-bit CMOS OTP-based microcontroller in the PIC16C family, delivering 20 MHz (200 ns instruction cycle) performance with 7 KB (4K x 14) of program memory and 256 bytes of RAM, housed in a 44-pin MQFP (10x10 mm) package. The device integrates a 12-bit Analog-to-Digital converter with up to 10 input channels, two 8-bit timers and one 16-bit timer/counter, a USART, an SPI/I2C-compatible Synchronous Serial Port (SSP), and 33 digital I/O pins organized across five ports (PORTA-PORTE). A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (ROM/Flash/OTP), data memory (RAM), and peripheral interfaces such as ADC, timers, and communication controllers. PIC microcontrollers use a RISC Harvard architecture with a small instruction set (35 single-word instructions in the PIC16C77x family) that simplifies programming and shortens development cycles; PIC MCUs sit within the broader taxonomy of microcontrollers -> microprocessors -> embedded processors -> semiconductors. The PIC16C77x mid-range family is widely used for industrial control, instrumentation, and consumer products requiring moderate performance with rich analog and digital I/O. Key features include brown-out detect (BOD) and power-on reset (POR) for robust supply supervision, a programmable watchdog timer, an in-circuit serial programming (ICSP) interface, and an operating voltage range of 4.0 V to 5.5 V (-I industrial temperature grade -40C to +85C). The 12-bit ADC supports 10 channels of analog input, allowing high-resolution measurement of sensor signals without external ADC circuitry. The instruction set is upwards compatible with PIC16C5X and PIC12CXXX devices, easing migration from older designs. The PIC16C774 architecture pairs a 14-bit-wide program memory bus (typical of mid-range PIC16) with an 8-bit data path, enabling single-cycle instruction fetch and a 200 ns instruction time at 20 MHz oscillator. The integrated 12-bit ADC is the highest-resolution converter in the PIC16C7x family, and the high pin count (44 pins) provides ample digital I/O for keypad scanning, LCD driving, and parallel bus expansion. OTP memory supports low-volume production runs and prototype builds where Flash reprogrammability is not required. Typical applications include industrial process control, data acquisition systems, instrumentation front-ends, HVAC controllers, and white-goods appliance control. The 12-bit ADC with 10 channels is particularly well suited to multi-sensor analog front ends such as weigh scales, temperature scanning, and battery monitoring. The USART and SSP peripherals simplify connection to RS-232/RS-485 networks and SPI/I2C peripherals. Designers should verify whether OTP is acceptable for the intended production volume - for high-volume runs, Flash-based PIC18F or PIC16F equivalents are usually more economical. The 44-MQFP footprint is legacy through-hole-replaceable; modern designs often migrate to 44-pin TQFP variants. Always place a 0.1 uF decoupling capacitor on VDD and use a 20 MHz crystal with appropriate load capacitors per datasheet guidance. This page synthesizes distributor pricing, drop-in pin-compatible alternatives, and practical design notes that supplement the manufacturer datasheet, helping engineers and buyers make an informed sourcing decision.

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PIC16C774-I/PT

PIC16C774-I/PT - 8-Bit OTP MCU 20MHz 12-bit ADC | Microchip

The Microchip Technology PIC16C774-I/PT is an 8-bit CMOS OTP microcontroller from the PIC® 16C family, executing instructions at up to 20 MHz and integrating 7 KB (4K x 14) of one-time-programmable program memory, 256 bytes of RAM, and 10 channels of 12-bit Analog-to-Digital conversion in a 44-pin TQFP (10x10 mm) package. The integrated 12-bit ADC eliminates external signal-conditioning circuitry for high-precision analog measurement. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory, working RAM, and peripherals such as ADCs, timers, and communication ports. The PIC16C774 sits in the mid-range PIC16C family tree: PIC16C -> 8-bit PIC -> PIC microcontroller -> microcontroller -> embedded processor -> semiconductor. Its OTP memory allows low-cost, fast-turnaround prototyping and production for mature designs where code is stable. Key features include 10 channels of 12-bit ADC (vs. the typical 8-bit ADC in the family), 33 digital I/O pins arranged across five ports, an industrial -40C to +85C operating temperature range (signified by the "-I" suffix), two 8-bit timer/counters with one 16-bit timer/counter, a Watchdog Timer with its own on-chip RC oscillator, and brown-out reset circuitry. The OTP program memory supports in-circuit serial programming through the ICSP interface. The PIC16C774 uses Microchip's Harvard-architecture RISC core with a 14-bit instruction word optimized for compact code density. The 12-bit successive-approximation ADC delivers better than 1 LSB integral nonlinearity, suitable for instrumentation, motor control feedback, and sensor signal acquisition. The 5 V supply range (4.0 V to 5.5 V) and the 20 MHz clock budget provide deterministic real-time control in noisy industrial environments. Typical applications include industrial process control, multi-channel sensor data acquisition, HVAC actuator control, instrumentation front-ends, and embedded control for medical and test equipment. The 10-channel 12-bit ADC removes the need for an external ADC IC, reducing board area and BOM cost. When designing with this part, ensure the MCLR reset circuit follows Microchip application note TB008 with a proper pull-up; the ICSP interface shares pins with PORTC and PORTE, so isolate programming access during run-time. Decouple VDD/VSS pairs with 100 nF ceramic capacitors placed within 5 mm of each pin pair for ADC reference stability. This page synthesizes distributor pricing, drop-in TQFP-44 alternatives from the same Microchip PIC16C family, and practical design notes not consolidated in the manufacturer datasheet.

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PIC16C774/JW

PIC16C774/JW - 8-Bit 20MHz 7KB EPROM MCU, 12-bit ADC | Microchip

The Microchip Technology PIC16C774/JW is an 8-bit RISC CMOS microcontroller based on Microchip's PIC16C architecture, offering 7KB (4K x 14) of one-time-programmable (OTP) EPROM program memory with UV-erasable windowed packaging, and operating at up to 20 MHz (200 ns instruction cycle). Housed in a 40-pin Windowed Ceramic DIP (CERDIP) through-hole package, the PIC16C774/JW provides 33 digital I/O pins, 256 bytes of RAM, and 10 channels of 12-bit Analog-to-Digital converter, making it suitable for high-precision analog measurement tasks. A microcontroller (MCU) is a single-chip computer containing a CPU core, program memory, working RAM, and peripheral interfaces. The PIC16C774 belongs to Microchip's PIC16C mid-range family, which sits within the broader taxonomy of PIC microcontroller -> 8-bit MCU -> embedded controller -> semiconductor IC. The RISC architecture executes most instructions in a single cycle, and only 35 single-word instructions need to be learned, making it accessible for embedded developers transitioning from the PIC16C5X and PIC12CXXX device lines. Key features include 10 channels of 12-bit A/D conversion (enabling high-resolution measurement without external ADC circuitry), a wide operating voltage range typical of 5V PIC16C designs, an 8-bit timer/counter architecture, and synchronous/asynchronous serial communication peripherals. The windowed CERDIP package exposes the die to UV light for EPROM erasure, which makes the /JW variant uniquely valuable for engineering development, prototyping, and pre-production firmware iteration, as the same chip can be erased and re-programmed dozens of times. Technically, the PIC16C774 is built on a CMOS process that delivers low power consumption while maintaining 20 MHz throughput. The 12-bit ADC core allows designers to discriminate small analog signal changes (down to a fraction of a millivolt at the relevant reference voltage), eliminating the need for external ADC chips and reducing BOM cost. The 35-instruction RISC instruction set keeps code density high, with most branch instructions completing in two cycles. Typical applications include industrial process control, instrumentation requiring precision analog front-ends, sensor signal conditioning, motor control closed-loop feedback, and any 5V embedded system that benefits from on-chip 12-bit ADC. Engineers commonly use the /JW (windowed) variant on engineering benches, then transition to the lower-cost OTP-only package for production runs. When designing with this part, engineers must remember that windowed CERDIP is through-hole and large (0.600 inch / 15.24 mm body) compared to modern surface-mount MCUs; plan PCB layout and tooling accordingly. The /JW variant is intended for development, not high-volume production due to its higher unit cost and EPROM erase complexity. This page synthesizes distributor pricing, lifecycle context (the PIC16C774 family is mature/legacy), drop-in same-family alternatives, and practical design notes not found in the manufacturer datasheet alone.

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PIC16C774/L

PIC16C774/L - 8-Bit 20MHz 7KB OTP MCU 44-PLCC | Microchip

The Microchip Technology PIC16C774/L is an 8-bit CMOS PIC® 16C mid-range microcontroller running up to 20MHz, with 7KB (4K x 14) OTP program memory, 256 x 8 bytes of RAM, and 33 digital I/O pins. It is housed in a 44-pin PLCC package (16.59 mm x 16.59 mm, J-lead) and operates from 4V to 5.5V over the commercial temperature range (0C to +70C, suffix "/L"). A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (ROM/Flash/OTP), working RAM, peripherals, and I/O on one die. PIC® 16C is Microchip's classic mid-range 8-bit OTP (One-Time Programmable) family using a Harvard RISC architecture with a 14-bit instruction word. The PIC16C774 sits inside the broader product hierarchy: microcontroller -> 8-bit MCU -> PIC® 16C family -> PIC16C7x series, where it adds 12-bit A/D capability compared to the 8-bit ADC predecessors such as PIC16C73/74. Key features include 10 channels of 12-bit-resolution Analog-to-Digital conversion, two 8-bit and one 16-bit timer/counter blocks, a USART with synchronous and asynchronous modes, an MSSP module supporting SPI and I2C, and a brown-out reset plus watchdog timer for reliable operation. The 12-bit ADC distinguishes signals as small as 1 mV on a 5V full-scale input, eliminating external signal-conditioning circuitry in many precision measurement applications. The PIC16C774 uses Microchip's OTP one-time-programmable memory, meaning the program is written once at programming time and is non-erasable - a low-cost approach suited to mature, stable production designs where firmware revision churn is minimal. The 20MHz oscillator provides a 200 ns instruction cycle, sufficient for control loops and slow communication stacks. Typical applications include industrial process control, instrumentation, multi-channel data acquisition front-ends, automotive body electronics (non-safety), and embedded control for office and white-goods equipment. The 10-channel 12-bit ADC makes it particularly attractive for sensor-hub roles where multiple analog transducers must be sampled simultaneously. When designing with this device, note that OTP memory cannot be re-programmed in-circuit; a flash-based PIC16F or PIC18F equivalent should be considered for prototyping or firmware-frequent designs. The 44-PLCC package requires a through-hole socket or a PLCC-44 SMT footprint, and the J-leads need careful pad geometry to avoid solder-bridging during reflow.

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PIC16C774/P

PIC16C774/P - 8-Bit MCU, 12-bit ADC, 20MHz, CERDIP-18 | Microchip

The Microchip Technology PIC16C774/P is an 8-bit CMOS microcontroller with a 20 MHz clock speed, 7 KB (4K x 14) OTP program memory, and 256 bytes of RAM, housed in a 40-pin CERDIP (windowed) through-hole package. It integrates 10 channels of 12-bit Analog-to-Digital conversion (A/D), eliminating the need for external ADC circuitry in precision measurement designs. The /P suffix denotes the CERDIP package with a UV-erasable quartz window, allowing repeated reprogramming during prototyping and development. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (ROM/Flash/OTP), data memory (RAM), and programmable peripheral interfaces. Microcontrollers fall into the broader category of microprocessors and embedded processors, which in turn belong to the Integrated Circuits > Microcontrollers family. The 8-bit PIC architecture uses a RISC-based Harvard design with only 35 single-word instructions, executing most instructions in 200 ns at 20 MHz, making it well-suited for deterministic real-time control. Key features include 10 channels of 12-bit A/D conversion (4096 discrete steps), 16 digital I/O ports organized across multiple ports, 256-byte RAM, 7 KB program memory, and three timers (Timer0, Timer1, Timer2). The instruction set is highly orthogonal and the architecture supports interrupts, watchdog timer, and an in-circuit debugger interface. The CERDIP windowed package enables erasure via UV exposure, ideal for development and code revision workflows. The PIC16C774 belongs to the PICmicro mid-range MCU family and is code- and pin-compatible with other 40-pin members of the PIC16C7xx family. It is well-suited for embedded control applications where integrating high-resolution analog measurement reduces BOM cost and PCB area. The PIC16C7xx series is supported by Microchip's MPLAB IDE and the PICmicro Mid-Range Reference Manual (DS33023), making firmware development straightforward for engineers familiar with the toolchain. Typical applications include industrial process control, sensor signal acquisition, instrumentation, motor control, and battery-powered measurement systems. The 12-bit ADC allows the part to detect small analog changes without external signal conditioning, while the 16 I/O pins support keypad scan, LED drive, and parallel communication. The /P CERDIP variant is most commonly used in development, prototyping, and legacy through-hole designs. When designing with this MCU, ensure the supply voltage stays within 4.0 V to 5.5 V and provide adequate decoupling on VDD/AVDD pins. The windowed CERDIP package is NOT recommended for high-volume production - use the -I/P (PDIP-40) or surface-mount variants for production runs. Brown-out reset configuration bits must be set appropriately for the application's power-supply ramp characteristics. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not aggregated on the manufacturer datasheet alone. Engineers evaluating EOL risk should review the lifecycle status and consider the PIC16F877A-I/P as a flash-memory migration path with a compatible 40-pin PDIP footprint.

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PIC16C774T-E/L

PIC16C774T-E/L - 8-Bit 20MHz OTP MCU, 7KB EPROM | Microchip

The Microchip PIC16C774T-E/L is an 8-bit CMOS RISC microcontroller with 7KB (4K x 14) One-Time-Programmable (OTP) program memory and 256 bytes of data RAM, packaged in a 44-pin PLCC (J-Lead) and supplied on Tape & Reel. Operating from a 5V rail with a 20MHz external oscillator, it executes instructions in 200ns and exposes 33 digital I/O pins for peripheral expansion. The PIC16C774T-E/L belongs to Microchip's mid-range PIC16C family and offers a 14-bit instruction word, 8-level hardware stack, and a broad set of on-chip peripherals including multiple timers, a synchronous/asynchronous serial port (USART/SCI), a 12-bit ADC input option via the family, and capture/compare/PWM modules suitable for embedded control loops. The 'E' suffix denotes the Extended industrial temperature grade (-40C to +125C) and the 'T' indicates Tape & Reel packaging, while '/L' specifies the 44-pin PLCC lead form. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory, volatile RAM, and I/O peripherals. PIC microcontrollers use a Harvard architecture with separate program and data buses, and the mid-range PIC16 family employs a 14-bit instruction set known for code density and deterministic timing. Within the power management and embedded hierarchy, MCUs sit above logic ICs and below SoCs; they are the workhorses of appliance control, automotive subsystems, and industrial instrumentation. Key features of this part include 7KB EPROM (4K x 14), 256 bytes of RAM, 33 I/O lines, a 20MHz maximum clock, and four 8-bit timer/counters plus one 16-bit timer/counter. A 10-bit multi-channel Analog-to-Digital Converter, USART, and PSP (Parallel Slave Port) are integrated, and the device supports both internal and external oscillator modes. The 44-pin PLCC gives ample analog and digital pin assignments for mixed-signal designs. The architecture is a RISC design with only 35 single-word instructions, all single-cycle except program branches (two cycles). The Harvard bus allows simultaneous instruction fetch and data access, and the 8-level deep hardware stack supports nested subroutine calls typical of interrupt-driven firmware. The brown-out reset and power-on reset blocks protect volatile RAM and start firmware from a known state. Typical applications include industrial automation controllers, HVAC control boards, automotive body electronics (when derated within the temperature grade), instrumentation front-ends, motor control driver boards, sensor signal conditioning, and consumer appliance control panels. The 20MHz clock and 7KB code space are well suited to control loops that combine analog sensing with PWM actuation and serial communication to a host MCU or HMI. When designing with PIC16C774T-E/L, ensure decoupling capacitors (100nF and 10uF) are placed within a few millimeters of VDD/VSS pins, follow PLCC socket or solder-pad layout guidelines, and configure the MCLR pin with the proper pull-up. The OTP memory cannot be re-programmed in-circuit, so code should be fully verified before final write. This page synthesizes distributor pricing, drop-in PLCC-44 alternatives from Microchip's PIC16C77x family, and practical design notes not found in the manufacturer datasheet alone.

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PIC16C774T-E/PQ

PIC16C774T-E/PQ - 8-Bit 20MHz 7KB OTP MCU | Microchip

The Microchip Technology PIC16C774T-E/PQ is an 8-bit CMOS OTP-based microcontroller from the PIC16C family, delivering 7KB (4K x 14) of one-time programmable program memory and operating at 20MHz (200ns instruction cycle). It is housed in a 44-pin MQFP (10x10 mm) package designated by the suffix PQ and is part of Microchip's classic mid-range PIC microcontroller lineup. A microcontroller (MCU) is a single-chip computer containing a CPU, program memory, data RAM, peripherals, and I/O. The PIC® 8-bit architecture belongs to the broader category of microcontrollers, which fall within embedded processors, microprocessors, and ultimately semiconductors. PIC microcontrollers are widely used for their deterministic instruction execution, simple instruction set, and robust peripheral integration, making them a foundational building block in embedded systems design. Key features of the PIC16C774T-E/PQ include 256 bytes of data RAM, 192 bytes of EEPROM data memory, eight 8-bit I/O ports with 33 digital I/O lines, a 12-bit ADC with up to 8 channels, two capture/compare/PWM modules, a USART, and a synchronous serial port. The device operates from 2.5V to 5.5V and supports the industrial -40C to +125C temperature range, indicated by the "E" (Extended) and "T" (Tape and Reel) suffixes. Its 35 single-word instruction RISC architecture simplifies firmware development and reduces code size. From an architecture perspective, the PIC16C774T-E/PQ uses a Harvard architecture with separate program and data buses, enabling simultaneous instruction fetch and data access. The OTP program memory is programmed once and is suitable for low-volume production or mature designs; for high-volume production Microchip typically recommends the pin-compatible PIC16F877 FLASH-based equivalent. The 12-bit ADC with 8 channels, combined with two PWM modules and a USART, makes it suitable for mixed-signal embedded control applications. Typical applications include industrial control systems, automotive body electronics, sensor signal conditioning, motor control, instrumentation, and consumer appliances. The extended temperature grade (E suffix) supports deployment in harsh industrial and automotive environments. When designing with this OTP part, ensure the final firmware is fully validated before programming, as OTP memory cannot be erased or rewritten. Engineers commonly prototype with the windowed PIC16C774/JW or the FLASH-based PIC16F877 before committing to OTP production programming. Decoupling capacitors should be placed close to VDD/VSS pins, and unused inputs must be tied to defined logic levels to minimize current consumption. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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PIC16C774T-I/PQ

PIC16C774T-I/PQ - 8-Bit OTP MCU, 7KB, 12-bit ADC | Microchip

The Microchip Technology PIC16C774T-I/PQ is an 8-bit CMOS OTP (One-Time Programmable) microcontroller built on Microchip's PIC® 16C architecture, delivering 200 ns instruction execution through a 35-instruction RISC-like instruction set in a 44-pin MQFP (10x10 mm) surface-mount package. It integrates 7 KB of program memory (4K x 14-bit words), operates at up to 20 MHz, and supplies 10 channels of 12-bit Analog-to-Digital conversion for high-resolution mixed-signal designs. A microcontroller (MCU) is a single-chip computer that combines a CPU, program memory, data RAM, and peripherals such as ADCs, timers, and communication interfaces. The PIC16C774 belongs to the broader 8-bit MCU class — a category that prioritizes deterministic instruction timing, low power, and simple toolchain development over raw compute throughput. Within Microchip's taxonomy, the PIC16C774 sits in the PIC16 mid-range family, between the baseline PIC10/12/16 devices and the high-performance PIC18 family, and is upward code-compatible with the PIC16C5X and PIC12CXXX series, easing legacy firmware migration. Key features of the PIC16C774T-I/PQ include 192 bytes of data RAM, 256 bytes of EEPROM data memory, three timers, a synchronous serial port (SSP) supporting SPI and I²C, a USART, capture/compare/PWM modules, a brown-out reset, and a watchdog timer. The 12-bit ADC with 10 input channels provides 4096 discrete conversion steps — a notable step up from the 8-bit ADC found on most contemporary mid-range PICs. Industrial temperature grade (-40 °C to +85 °C) and a wide 4.0 V to 5.5 V supply range support harsh-environment deployments. Architecturally, the PIC16C774 uses a Harvard memory layout with separate program and data buses, allowing instruction fetch and operand read to occur in the same cycle. The OTP program memory is programmed once via Microchip's ICSP (In-Circuit Serial Programming) interface and is suitable for production volumes where firmware is finalized at manufacturing time. Power-down Sleep mode, watchdog-driven Sleep wake-up, and a low-power RC oscillator reduce quiescent consumption for battery-influenced designs. Typical applications for the PIC16C774T-I/PQ include industrial control and instrumentation, multi-channel data acquisition front-ends, motor and valve control loops, sensor signal conditioning, and embedded automotive subsystems where deterministic interrupt response and a 12-bit ADC simplify closed-loop firmware. The wide temperature range and robust peripheral set also make it a fit for HVAC controls, security panels, and laboratory instruments. When designing with the PIC16C774, ensure decoupling on VDD with at least a 100 nF ceramic placed within a few millimeters of the supply pins, plus a bulk tantalum or aluminum electrolytic capacitor. Configure the MCLR pin with the recommended 10 kΩ pull-up and place the oscillator traces short and guarded; the ADC accuracy depends on a clean VREF and a quiet analog supply plane. Verify ICSP pins (RB6/RB7) remain accessible for factory programming. This page combines distributor pricing, drop-in same-package alternatives, and practical design notes not consolidated in the Microchip datasheet, helping procurement and firmware engineers compare the PIC16C774T-I/PQ against pin-compatible PIC16C77 and PIC16C74A family members in the same 44-MQFP footprint.

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PIC16C774T/L

PIC16C774T/L - 8-Bit 20MHz OTP MCU 7KB 44-PLCC | Microchip

The Microchip Technology PIC16C774T/L is a CMOS OTP-based 8-bit PIC16C microcontroller delivering 20 MHz core clock speed and 7KB (4K x 14) of one-time-programmable program memory, housed in a 44-pin PLCC (16.59 x 16.59 mm) surface-mount package. It integrates 256 bytes of SRAM, 33 digital I/O lines, and a hardware peripheral set including I2C (SMBus-compatible), SPI, and UART/USART, plus an 8-channel 12-bit ADC, three timers, and a 200 ns instruction execution pipeline. A microcontroller (MCU) is a single-chip computer containing a CPU core, non-volatile program memory, working RAM, and configurable peripherals. PIC16C-series parts sit at the entry of the 8-bit PIC16 family hierarchy, sitting under PIC18 (16-bit opcodes, more peripherals) and above PIC12/PIC14 sub-families. The 16C line uses one-time-programmable EPROM (the 'C' suffix historically denoted CMOS EPROM), giving it permanent, in-circuit-routable code storage with no in-system reprogramming. Key features include 35 single-word instructions, an external oscillator interface, programmable code protection, a power-on reset (POR), brown-out reset (BOR), watchdog timer (WDT), in-circuit serial programming (ICSP) via two pins, and a wide 4.5V-5.5V supply range typical for legacy industrial embedded systems. The instruction set is upwards-compatible with PIC16C6x/7x/8x devices, allowing code reuse and easy migration to flash-based PIC16F relatives for modern designs. Technically, the PIC16C774T/L uses a 14-bit-wide instruction word with a RISC-style single-cycle fetch except for branches. Its 12-bit ADC with up to 8 channels suits sensor and instrumentation signal chains, while the three timers (Timer0/1/2) handle event counting, PWM, or real-time interrupts. The 'T' suffix designates Tape & Reel packaging and the 'L' suffix indicates the 44-lead PLCC J-lead package. Typical applications include industrial control panels, sensor signal conditioning front-ends, legacy instrumentation with RS-232/RS-485 links, building automation controllers, and printed-circuit-board test fixtures. It also fits brown-field replacements in long-life equipment where original OTP firmware must continue to run. When designing with this part, note that OTP memory cannot be re-flashed; budget a flash-based PIC16F774 or PIC18F equivalent for field updates. Use proper decoupling (100 nF + 10 uF) near VDD/AVDD/VSS pins, and verify ADC reference stability with a 10 uF cap on VREF+. This page synthesizes distributor pricing, drop-in Microchip alternatives, and PCB-layout notes not found in the original manufacturer datasheet DS30275A, giving engineers a single reference for sourcing decisions.

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PIC16C774T/PQ

PIC16C774T/PQ - 8-Bit OTP MCU, 20MHz, 7KB, 12-bit ADC | Microchip

The Microchip Technology PIC16C774T/PQ is a CMOS OTP-based 8-bit PIC microcontroller featuring 7KB (4K x 14) of One-Time Programmable program memory, 256 bytes of data RAM, and a 20MHz maximum clock speed delivering 200ns instruction execution. Housed in a 44-pin MQFP (PQ) package with 33 general-purpose I/O lines, the device integrates a 10-channel 12-bit Analog-to-Digital converter, three timer modules, and a 14-source interrupt controller, all powered from a 2.5V to 5.5V supply. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, program memory (ROM/Flash/OTP), data RAM, I/O peripherals, and timers into one package. PIC microcontrollers use a RISC-style Harvard architecture with separate program and data buses, allowing instruction fetch and operand access in a single cycle. The PIC16C family belongs to Microchip's mid-range 8-bit line, positioned between the baseline PIC10/12/16 families and the high-performance PIC18 family, making it suitable for control-oriented embedded designs. Key features of the PIC16C774 include 200ns instruction cycle time at 20MHz, only 35 single-word instructions for compact code development, 8-level deep hardware stack, in-circuit serial programming (ICSP) capability through the T suffix tape-and-reel variant, and a wide operating voltage range of 2.5V to 5.5V. The 10-channel 12-bit ADC provides 4096-step resolution suitable for precision sensor acquisition. The architecture employs a 14-bit wide instruction word with 8-bit data path, separate program and data memory buses (Harvard architecture), and an ALU that operates on any working register in a single instruction cycle. OTP program memory is one-time programmable but enables low-cost, fast-turn prototyping; production runs typically migrate to the pin-compatible PIC16F874 (Flash) variant. Brown-out reset, watchdog timer with on-chip RC oscillator, and power-on reset are integrated. Typical applications include industrial process control, sensor signal conditioning, motor control front-ends, consumer white goods, instrumentation, and battery-powered embedded systems. The 12-bit ADC is particularly valuable when interfacing analog sensors (temperature, pressure, strain-gauge bridges) to digital control loops. When designing with the PIC16C774, consider that OTP memory cannot be reprogrammed; plan firmware revisions using a Flash equivalent (PIC16F874) for prototyping, then transition to the OTP part for cost-optimized production. The 44-pin MQFP package requires careful PCB layout because the 0.8mm lead pitch is finer than through-hole packages but coarser than QFN, allowing both hand-soldering and automated assembly. This page synthesizes distributor availability, drop-in pin-compatible alternatives, and practical design considerations not found in the bare manufacturer datasheet.

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PIC16C774T/PT

PIC16C774T/PT - 8-Bit 20MHz OTP MCU 7KB Flash | Microchip

The Microchip Technology PIC16C774T/PT is an 8-bit CMOS OTP-based PIC microcontroller built around Microchip's PIC16C architecture, operating at up to 20MHz (200 ns instruction cycle) with 7KB (4K x 14) of one-time-programmable program memory and 256 bytes of RAM, housed in a 44-pin TQFP (10x10 mm) package. The "T" suffix denotes Tape & Reel packaging for high-volume SMT assembly, and the "/PT" suffix indicates the 44-pin TQFP outline. 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, communications, GPIO) onto one silicon die. The PIC16C family sits in Microchip's mid-range 8-bit hierarchy: PIC10/12/14/16 base architecture -> PIC16 mid-range -> PIC16C77x 44-pin OTP line -> PIC16C774T/PT. This position gives it the upgrade path and toolchain familiarity of the broader PIC ecosystem while remaining simple to program. Key features include 33 digital I/O pins, an integrated 12-bit ADC with up to 8 channels, three timers (Timer0, Timer1, Timer2), a Capture/Compare/PWM (CCP) module, and hardware communication peripherals: I2C/SPI (Synchronous Serial Port, SSP) and an enhanced USART. With only 35 single-word instructions the device is approachable for new firmware developers and is binary-compatible with the PIC16C5X and PIC12CXXX families for code reuse. Architecturally, PIC16C774T/PT uses a Harvard RISC core with separate program and data buses, allowing most instructions to execute in one instruction cycle. The OTP program memory is factory-one-time-programmable, which suits low-cost production runs but precludes field firmware updates; for that, designers typically migrate to the flash-based PIC16F77x family. Typical applications include industrial control panels, sensor signal conditioning, motor control, instrumentation, and embedded control nodes that need ADC and serial communication on a 5V platform. The wide -40C to +85C industrial temperature range and 33 I/O capacity also fit automotive body and appliance subsystems. A key design consideration is OTP memory: once programmed, the device cannot be re-flashed, so firmware must be fully validated on windowed (JW) or flash equivalents before committing. Designers also commonly pair this MCU with a flash-based PIC16F877A in the same 44-pin TQFP as a re-programmable development surrogate. This page synthesizes distributor pricing, drop-in same-package alternatives (PIC16C774T-I/PT, PIC16C774-I/PT), and practical design notes not collated on the manufacturer product page, giving engineers a faster path to a working BOM.

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PIC16C77T-04/L

PIC16C77T-04/L - 8-Bit 4MHz 14KB OTP MCU 44-PLCC | Microchip

The Microchip Technology PIC16C77T-04/L is an 8-bit CMOS microcontroller from the PIC16C7X mid-range family, featuring 14KB (8K x 14) of One-Time-Programmable (OTP) program memory, 368 bytes of RAM, and an 8-channel 8-bit Analog-to-Digital Converter (ADC), all integrated in a 44-pin PLCC package (16.59 x 16.59 mm). An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, memory (ROM/RAM), peripherals, and I/O on a single die. The PIC mid-range family occupies the middle of Microchip's 8-bit portfolio, providing a balance of performance, peripheral integration, and code efficiency for embedded control applications. PIC16C7X parts specifically add on-chip ADC capability, making them suitable for mixed-signal embedded designs where analog sensing is required alongside digital control. Key features of the PIC16C77T-04/L include a 4 MHz maximum operating clock (the "-04" suffix indicates a 4 MHz part; the PIC16C77 family also includes 10 MHz and 20 MHz variants), 33 digital I/O lines organized across multiple ports, a USART for serial communication, capture/compare/PWM modules, and an 8-channel 8-bit ADC. The OTP program memory allows one-time field programming via standard device programmers, which is typical for low-to-medium volume production. The supply voltage range is 4V to 5.5V per the datasheet. The architecture is fully static CMOS, allowing the clock to be stopped without loss of internal state - useful for low-power sleep modes. The mid-range core uses a 14-bit instruction word, providing compact code density compared to 8-bit CISC architectures. The integrated ADC supports successive-approximation conversion with selectable reference sources and acquisition timing. Typical applications include industrial automation (sensor interfacing, motor speed control via PWM, PLC I/O expansion), consumer electronics (appliance controllers, simple user-interface handling), automotive subsystems (interior lighting, HVAC blowers, instrument cluster logic), and embedded instrumentation (data loggers, multi-channel measurement front-ends). The combination of ADC, PWM, USART, and abundant I/O on a single die replaces what would otherwise require several discrete components. When designing with this part, note that OTP memory means firmware cannot be updated in-circuit for errata fixes; consider Flash-based PIC16F77 for development or production requiring field updates. Decouple VDD with 100 nF + 10 uF placed within 5 mm of the supply pins, and configure the MCLR pin with a proper reset network (typically 10 kohm pull-up to VDD with a diode to VDD to protect against over-voltage during in-circuit programming). This page synthesizes distributor pricing, verified drop-in alternatives from the PIC16C7X family, and practical design notes not found in the standalone manufacturer datasheet.

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PIC16C77T-04/PQ

PIC16C77T-04/PQ - 8-Bit 4MHz 14KB OTP MCU 44-MQFP | Microchip

The Microchip Technology PIC16C77T-04/PQ is an 8-bit CMOS microcontroller from the PIC16CXX mid-range family, delivering 4 MHz CPU performance with 14 KB (8K x 14) of One-Time-Programmable (OTP) program memory in a 44-pin MQFP (10x10) tape-and-reel package. According to the verified distributor data, the device integrates 368 bytes of RAM, 22 digital I/O lines, a 12-channel 8-bit A/D converter, and hardware peripherals including I2C (SSP), SPI, and USART communication interfaces for embedded control. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory, working RAM, and peripheral interfaces such as timers, ADC, and communication buses. Within the broader taxonomy, the PIC16C77 belongs to the mid-range 8-bit microcontroller category (8-bit MCU -> microcontroller -> embedded processor -> semiconductor IC). The PIC16CXX mid-range architecture uses a 14-bit instruction word set optimized for deterministic, single-cycle execution on most instructions, supporting fully-static operation that allows the clock to be stopped without losing state. Key features of the PIC16C77T-04/PQ include a 4 MHz maximum operating frequency, 8-bit data path, 14 KB OTP program memory, integrated 12-channel 8-bit A/D converter, two 8-bit timers and one 16-bit timer, capture/compare/PWM modules, a synchronous serial port supporting both SPI and I2C, an asynchronous USART, and a wide 4.0 V to 5.5 V supply voltage range. The /04 speed suffix indicates the 4 MHz maximum clock; the /PQ suffix designates the 44-pin Metric Quad Flat Pack (MQFP) surface-mount package supplied on tape and reel. The PIC16C77 architecture employs a Harvard-style design with separate program and data buses, allowing instruction fetch and data access to occur in the same cycle. The OTP memory supports one-time field programming via standard device programmers, while the 8-bit A/D converter provides fast analog signal acquisition for sensor and control applications. The integrated peripherals reduce external component count, making the part well suited for compact, cost-sensitive embedded designs. Typical applications for the PIC16C77T-04/PQ include industrial process control, instrumentation, motor control, sensor signal conditioning, HVAC controllers, security and alarm panels, automotive body electronics, and general-purpose embedded control where moderate analog input count and serial communication are required. The combination of OTP memory and a robust peripheral set makes the device an effective choice for production-volume designs. When designing with this part, ensure that the OTP programming step is finalized before final PCB assembly because OTP cannot be erased or rewritten. Add a 100 nF decoupling capacitor adjacent to each VDD/VSS pair, place a low-ESR bulk capacitor on the supply rail, and respect the in-circuit serial programming (ICSP) pin assignments if firmware is to be programmed after PCB assembly. This page consolidates distributor pricing, verified specifications, drop-in alternatives within the PIC16C7X family, and practical design notes that go beyond the manufacturer datasheet to accelerate component selection.

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PIC16C77T-04/PT

PIC16C77T-04/PT - 8-Bit OTP MCU, 14KB, 4MHz, 44-TQFP | Microchip

The Microchip Technology PIC16C77T-04/PT is an 8-bit RISC microcontroller from the PIC16C family, featuring 14KB (8K x 14) of One-Time Programmable (OTP) program memory and 368 bytes of RAM, operating at a clock speed of 4 MHz and housed in a 44-pin TQFP (10x10 mm) package. An OTP (One-Time Programmable) microcontroller is a variant of programmable logic in which the program memory can be written to exactly once after manufacture, using a special programming procedure. Unlike Flash-based MCUs that can be re-flashed thousands of times, OTP parts are intended for high-volume, cost-sensitive, or security-oriented applications where firmware is finalized during production and field re-programming is undesirable. Within the broader taxonomy, this part belongs to microcontroller -> 8-bit microcontroller -> PIC16 family -> PIC16C7x series -> CMOS EPROM-based MCU -> embedded processing IC. Key specifications include 33 digital I/O pins, a 14-bit instruction word, an 8-level hardware stack, on-chip peripherals (ADC, USART, CCP, timers), and wide operating voltage support typical of the PIC16C7x family. The -04 suffix denotes the 4 MHz maximum oscillator frequency grade, and the /PT suffix identifies the 44-pin TQFP surface-mount package. The 'T' in the MPN indicates Tape & Reel packaging. From an architectural standpoint, the PIC16C77T uses Microchip's enhanced mid-range Harvard architecture with separate program and data buses, enabling single-cycle instruction execution (excluding branches). The device integrates brown-out reset, power-on reset, watchdog timer with on-chip RC oscillator, and a 10-bit multi-channel ADC, which collectively reduce external component count in embedded designs. Typical applications include industrial control systems, automotive body and chassis electronics (legacy), appliance controllers, security panels, sensor signal conditioning front-ends, and any high-volume embedded design where a one-time programmable MCU provides a favorable BOM-to-function ratio. Designers often migrate new designs to the pin-compatible PIC16F877 (Flash) for prototyping and to PIC16C77 (OTP) for production to leverage lower unit cost. When using this part, note that OTP memory cannot be erased; firmware must be fully validated before programming. A socketed PIC16C77-04/P or PIC16F877-04/P can be used on the development bench and replaced by the production PIC16C77T-04/PT for the final assembly. This page synthesizes distributor stock levels, pricing tiers, drop-in same-package alternatives drawn from Microchip's PIC16C7x family, and engineering design notes not found in the manufacturer datasheet alone, giving procurement and design engineers a single decision-ready reference.

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PIC16C77T-04E/L

PIC16C77T-04E/L - 8-bit 4MHz OTP MCU 14KB 44-PLCC | Microchip

The Microchip Technology PIC16C77T-04E/L is an 8-bit CMOS OTP (One-Time Programmable) microcontroller from the PIC16C7X mid-range family, operating at 4 MHz core clock speed and packaged in a 44-pin PLCC (J-lead, 16.59x16.59 mm) windowed CERDIP-compatible footprint. It integrates 14 KB of program memory organized as 8K x 14-bit words, 368 bytes of data RAM, 33 I/O lines, and a multi-channel 8-bit Analog-to-Digital Converter, making it a self-contained embedded control solution for legacy industrial and automotive systems. An 8-bit OTP microcontroller is a single-chip computer that executes one instruction on 8-bit data words and stores its program in non-erasable (one-time programmable) ROM. Within the broader taxonomy, the PIC16C77 belongs to the 8-bit MCU -> microcontroller -> embedded controller -> semiconductor IC hierarchy. The 14-bit instruction word places it in Microchip's mid-range architecture family, between the baseline 12-bit core and the enhanced 16-bit core, balancing code density with peripheral integration. Key features of the PIC16C77T-04E/L include integrated 8-bit A/D converter (typically 8 channels), a USART for serial communication, three timer/counter modules, a watchdog timer with on-chip RC oscillator, power-on reset, brown-out detection, and an operating voltage range of 4.0 V to 5.5 V. The wide 16 I/O ports (Vyrian listing) and 33 total I/O lines (per datasheet) allow direct connection to keypads, displays, sensors, and motor drivers without external glue logic. Architecturally, the PIC16C77T-04E/L uses a Harvard RISC core with separate program and data buses, allowing instruction fetch and data access to occur in a single cycle. The 4 MHz oscillator yields a 1 microsecond instruction cycle, sufficient for real-time control loops in motor drives, instrumentation, and automotive body controllers. Code protection fuses prevent unauthorized memory read-out, critical for OEM intellectual-property security. Typical applications include industrial automation controllers, automotive body and climate modules, instrumentation front-ends, security and access control panels, and embedded control subsystems where a proven mid-range 8-bit core and through-hole-compatible PLCC footprint are preferred over modern QFN surface-mount devices. When designing with this part, place a 0.1 microfarad decoupling capacitor close to VDD and use a 4 MHz crystal with two 22 pF load capacitors. The OTP memory means firmware must be fully validated before programming; consider a Flash-based PIC16F877A for prototypes and a windowed CERDIP variant for development with UV erasure. This page synthesizes verified distributor inventory, current pricing tiers, drop-in Microchip PIC16C7X family alternatives, and practical design notes not collected on a single OEM datasheet page.

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PIC16C774-I/P - 8-Bit 20MHz 7KB OTP MCU | Microchip | PDIP-40

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PIC16C774-I/PT - 8-Bit OTP MCU 20MHz 12-bit ADC | Microchip

PIC16C774/JW - 8-Bit 20MHz 7KB EPROM MCU, 12-bit ADC | Microchip

PIC16C774/L - 8-Bit 20MHz 7KB OTP MCU 44-PLCC | Microchip

PIC16C774/P - 8-Bit MCU, 12-bit ADC, 20MHz, CERDIP-18 | Microchip

PIC16C774T-E/L - 8-Bit 20MHz OTP MCU, 7KB EPROM | Microchip

PIC16C774T-E/PQ - 8-Bit 20MHz 7KB OTP MCU | Microchip

PIC16C774T-I/PQ - 8-Bit OTP MCU, 7KB, 12-bit ADC | Microchip

PIC16C774T/L - 8-Bit 20MHz OTP MCU 7KB 44-PLCC | Microchip

PIC16C774T/PQ - 8-Bit OTP MCU, 20MHz, 7KB, 12-bit ADC | Microchip

PIC16C774T/PT - 8-Bit 20MHz OTP MCU 7KB Flash | Microchip

PIC16C77T-04/L - 8-Bit 4MHz 14KB OTP MCU 44-PLCC | Microchip

PIC16C77T-04/PQ - 8-Bit 4MHz 14KB OTP MCU 44-MQFP | Microchip

PIC16C77T-04/PT - 8-Bit OTP MCU, 14KB, 4MHz, 44-TQFP | Microchip

PIC16C77T-04E/L - 8-bit 4MHz OTP MCU 14KB 44-PLCC | Microchip