PIC16C716-04I/SS
PIC16C716-04I/SS - 8-Bit 4MHz MCU, 3.5KB OTP, 20-SSOP | Microchip
The Microchip Technology PIC16C716-04I/SS is an 8-bit CMOS microcontroller from the PIC® 16C family, featuring a 4 MHz CPU core with a 200 ns instruction cycle, 3.5 KB (2K x 14) of One-Time-Programmable (OTP) program memory, 128 bytes of RAM, and 13 general-purpose I/O pins. The device integrates a 4-channel 8-bit Analog-to-Digital Converter (ADC), two additional timers, and a Capture/Compare/PWM (CCP) peripheral, packaged in a 20-pin Shrink Small-Outline Package (SSOP, 5.30 mm body width) for surface-mount assembly.
A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory (program + data), and programmable I/O peripherals on one die, allowing engineers to implement embedded control logic with a minimum of external components. The PIC16C716 belongs to the broader category of 8-bit microcontrollers (8-bit -> MCU -> embedded controller -> semiconductor), using Microchip's RISC instruction set with 35 single-word instructions. This architecture is widely used in automotive, industrial, appliance, and consumer applications where deterministic real-time control, low power, and compact code density are required.
Key features of the PIC16C716-04I/SS include an operating speed of DC to 4 MHz (the "-04" speed grade), up to 7 internal/external interrupt sources, an 8-level hardware stack, and a 4-channel 8-bit ADC that enables direct interface with analog sensors without external ADC ICs. The two additional timers and CCP module provide flexible PWM generation and input-capture functions for motor control, signal measurement, and timing applications.
The PIC16C716 architecture is based on a Harvard-bus RISC core, separating program memory (14-bit wide OTP) from data memory (8-bit wide SRAM) to enable single-cycle instruction execution except for program branches (2 cycles). This pipelined design, combined with the 200 ns instruction cycle at 4 MHz, gives the MCU deterministic throughput well suited to real-time control loops. The industrial temperature grade ("-I") supports an operating range of -40°C to +85°C.
Typical applications include sensor signal conditioning, low-cost motor control (small DC fans, solenoids), automotive body controllers, appliance control boards, and battery-powered instruments requiring OTP programmability for cost-effective mid-volume production runs. The 20-SSOP footprint also makes it attractive for compact consumer designs.
When designing with this device, note that OTP memory is one-time programmable and cannot be re-flashed; for field-updatable firmware, consider the flash-based PIC16F716 (same 20-SSOP pinout). Always use Microchip's MPLAB X IDE with a compatible programmer (e.g., PICkit 3/4, ICD) for code development.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone - giving engineers and buyers a faster path from selection to board bring-up.
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