PIC16C716-04E/SO - 4MHz 8-Bit OTP MCU 3.5KB | Microchip
MPN: PIC16C716-04E/SO ✓ Hoạt độngPIC16C716-04E/SO Tóm tắt
What is an 8-bit OTP microcontroller? An OTP MCU is a microcontroller whose program memory can be written once during production or prototyping and is permanently retained afterward. It belongs to the broader category of microcontrollers -> embedded processors -> digital ICs -> semiconductors. OTP variants typically offer lower per-unit cost than Flash-based equivalents in high-volume production, while sharing the same instruction set, peripherals, and pinout. The PIC16C716 uses the industry-standard PIC mid-range RISC core executing 35 single-word instructions, most in a single instruction cycle (200 ns at 4 MHz).
Key features include: 200 ns instruction cycle for deterministic control loops; 13 bidirectional I/O pins with individual direction control; an 8-bit ADC with multiple channels for sensor interfacing; an 8-bit Timer0 with 8-bit prescaler for timing/counting; and a Capture/Compare/PWM peripheral for motor control or waveform generation. Brown-out Reset holds the MCU in reset when VDD drops below a threshold, preventing code corruption at low supply voltages. The device operates from 4.0 V to 5.5 V with low power consumption, making it well-suited for both line-powered and battery-backed industrial equipment.
Architecturally, the PIC16C716 uses a Harvard architecture with separate program and data buses, allowing simultaneous instruction fetch and operand access. Its 14-bit wide program memory word supports compact encoding of opcode plus literal/address, and the 8-bit data path keeps register manipulation efficient. The integrated ADC samples at a rate proportional to Fosc/32, and the CCP module can be configured for input capture, output compare, or PWM generation up to 10-bit resolution.
Typical applications include motor speed controllers, sensor signal conditioning front-ends, simple closed-loop fan/valve controllers, appliance control modules, and industrial instrumentation where deterministic real-time response is required. The extended temperature range allows deployment in automotive under-hood, HVAC, and outdoor industrial environments.
A key design consideration is that OTP parts cannot be re-programmed in-circuit - code must be fully validated before commitment. Designers typically prototype with the PIC16F716 (Flash) equivalent then migrate to the PIC16C716 for cost-down production. Decoupling capacitors (100 nF + 10 uF) should be placed close to VDD/SS pins, and unused I/O should be configured as outputs low to minimize current draw.
This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not found in any single manufacturer datasheet revision, giving procurement and engineering teams a single authoritative reference.
Bộ thay thế dễ dàng lắp đặt cho PIC16C716-04E/SO — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với PIC16C716-04E/SO (cùng hình factor và footprint) — khác nhau ở Package, ADC, Timers, Core Architecture, RoHS Status.
PIC16C716-04I/SO
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Xem tài liệu →PIC16C716-04/SO
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC16C716-20E/SO
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC16C716T-04E/SO
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16F716-I/SO
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16C711-04E/SO
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16C715-04E/SO
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16C716-04E/SO Tỷ lệ tối đa & tính chất điện
| Core Architecture | PIC16C (8-bit RISC, Harvard) |
| Clock Speed (max) | 4 MHz |
| Instruction Cycle | 200 ns |
| Program Memory | 3.5 KB (2K x 14) OTP |
| RAM | 128 bytes |
| I/O Pins | 13 |
| ADC | 8-bit multichannel |
| Timers | Timer0: 8-bit with 8-bit prescaler |
| CCP Module | Capture/Compare/PWM |
| Brown-out Reset (BOR) | Yes |
| Supply Voltage (VDD) | 4.0 V to 5.5 V |
| Nhiệt độ hoạt động | -40C to +125C (extended, -E suffix) |
| Hộp | 18-pin SOIC (SO) |
| Kiểu lắp đặt | Surface Mount |
| ROM Type | OTP (One-Time Programmable) |
| Instruction Set | 35 single-word instructions |
| Trạng thái RoHS | Compliant |
Cấu hình chân PIC16C716-04E/SO
| Chân 1 | RA2/AN2 — Bidirectional I/O / Analog input channel 2 |
| Chân 2 | RA3/AN3 — Bidirectional I/O / Analog input channel 3 |
| Chân 3 | RA4/T0CKI — Bidirectional I/O / Timer0 clock input |
| Chân 4 | RA5/AN4/SS — Bidirectional I/O / Analog input / SPI slave select |
| Chân 5 | VSS — Ground reference |
| Chân 6 | RB0/INT — Bidirectional I/O / External interrupt |
| Chân 7 | RB1 — Bidirectional I/O |
| Chân 8 | RB2 — Bidirectional I/O |
| Chân 9 | RB3 — Bidirectional I/O |
| Chân 10 | RB4 — Bidirectional I/O / Interrupt-on-change |
| Chân 11 | RB5 — Bidirectional I/O / Interrupt-on-change |
| Chân 12 | RB6 — Bidirectional I/O / Interrupt-on-change / ICSP clock |
| Chân 13 | RB7 — Bidirectional I/O / Interrupt-on-change / ICSP data |
| Chân 14 | VDD — Positive supply voltage (4.0V to 5.5V) |
| Chân 15 | RC0 — Bidirectional I/O |
| Chân 16 | RC1 — Bidirectional I/O |
| Chân 17 | RC2/CCP1 — Bidirectional I/O / Capture/Compare/PWM output |
| Chân 18 | RC3 — Bidirectional I/O |
Ứng dụng tiêu biểu
PIC16C716-04E/SO phù hợp cho 7 Áp dụngs: Industrial Motor Speed Controller, Appliance Control Board (Washing Machine / Dishwasher), HVAC Fan and Damper Controller, Automotive Sensor Interface Module, Smart Battery Charger Controller, Industrial Process Timer / Sequencer, LED Lighting Dimmer and Color Controller.
Industrial Motor Speed Controller
The PIC16C716-04E/SO fits closed-loop DC motor speed controllers where deterministic 200 ns instruction cycles enable precise PWM generation via the integrated Capture/Compare/PWM (CCP) module. With 13 I/O pins and an 8-bit multichannel ADC, the MCU can read a tachogenerator or Hall-effect speed sensor on one ADC channel while driving an H-bridge through four GPIO pins and outputting PWM on RC2. The extended -40C to +125C temperature range supports industrial cabinet installations near variable-frequency drives. The 3.5 KB OTP program memory comfortably fits BLDC commutation tables, PI controller coefficients, and fault-handling routines for a single-axis drive. Use the Brown-out Reset to safely disable outputs during supply dips. Estimated cycle budget: 8 MHz instruction rate leaves ~80 cycles per PWM period at 10 kHz switching frequency, sufficient for current-loop computation.
Được đề xuất
Appliance Control Board (Washing Machine / Dishwasher)
The PIC16C716-04E/SO suits washing-machine and dishwasher control boards where cost-sensitive high-volume production is paramount. The OTP program memory reduces per-unit cost versus Flash equivalents once firmware is locked, and the 18-pin SOIC package enables compact single-sided PCB layouts behind the front-panel display. The 8-bit ADC reads water-level sensors, temperature probes (NTC), and turbidity sensors, while the CCP module drives the motor triac and the GPIO ports switch solenoid valves, door locks, and buzzer indicators. The extended -40C to +125C range tolerates under-counter thermal stress and cold-start conditions in unheated garages. Brown-out Reset prevents lockup during line-voltage sags from adjacent motor inrush. The 128-byte RAM is adequate for cycle-state variables, error counters, and a small user-interface buffer.
Được đề xuất
HVAC Fan and Damper Controller
Commercial HVAC systems require reliable fan-speed and damper-position controllers operating across wide temperature ranges, an ideal application for the PIC16C716-04E/SO. The MCU reads duct-temperature sensors via the 8-bit ADC, computes PI control loops in software, and outputs PWM drive signals through the CCP module to variable-frequency fan drivers. The 13 I/O pins handle multiple relay outputs (for staged heating/cooling contactors), key-switch inputs, and LED status indicators. The OTP memory locks the safety-interlock logic (high-temperature cutout, freeze protection) so field technicians cannot inadvertently reprogram safety code. The Brown-out Reset holds outputs in a safe state during brown-out conditions. Estimated power budget: at 4 MHz the device draws ~2 mA active, allowing continuous operation from a small linear supply without thermal concerns.
Được đề xuất
Automotive Sensor Interface Module
Automotive under-hood sensor modules benefit from the PIC16C716-04E/SO's extended -40C to +125C temperature range and integrated 8-bit ADC. The MCU reads multiple analog sensors (MAP, MAF, oil-pressure, coolant-temperature) and outputs conditioned signals over LIN or PWM to the vehicle ECU. The 3.5 KB OTP program memory holds calibration tables, sensor-linearization routines, and diagnostic-trouble-code (DTC) logging. The CCP module generates a PWM output proportional to sensor reading for legacy ECU interfaces. Brown-out Reset protects against cranking-voltage dips. The 18-pin SOIC is footprint-compatible with the automotive-grade PIC16F716-I/SO, allowing rapid design migration between consumer and AEC-Q100 grades if automotive certification becomes required for higher-volume programs.
Được đề xuất
Smart Battery Charger Controller
The PIC16C716-04E/SO provides an 8-bit MCU core with ADC and PWM peripherals well-matched to smart lead-acid or NiMH charger designs. The 8-bit ADC samples battery voltage, charge current, and temperature at up to 8 channels; the CCP module produces PWM drive for a buck-converter power stage; and 13 GPIO pins manage relay outputs, status LEDs, and AC-line zero-cross detection. The extended temperature range supports installations in unventilated enclosures or outdoor chargers. The Brown-out Reset prevents over-discharge of deeply discharged batteries by holding the MCU in reset until valid VDD is restored. The 3.5 KB OTP memory accommodates multi-stage charge profiles (bulk/absorption/float) with temperature compensation curves and fault-state machines.
Được đề xuất
Industrial Process Timer / Sequencer
Standalone industrial process timers and sequencers - common in packaging lines, plating baths, and chemical dosing systems - are well-served by the PIC16C716-04E/SO. The MCU's Timer0 with 8-bit prescaler provides accurate timing intervals from microseconds to minutes; the CCP module generates precision output pulses for solenoid actuation; and 13 I/O pins drive multiple relay channels plus accept start/stop/reset inputs from operator panels. The OTP memory locks the timing sequence so production-floor operators cannot alter cycle parameters. The 128-byte RAM stores runtime counters, batch numbers, and error logs. Brown-out Reset ensures safe shutdown during power interruption. Estimated timing accuracy: at 4 MHz the instruction-cycle quantization of 200 ns yields 0.05% timing error over 1 ms timing intervals - sufficient for most process-control applications.
Được đề xuất
LED Lighting Dimmer and Color Controller
Architectural and stage-lighting LED dimmers use the PIC16C716-04E/SO for logarithmic-dimming curve generation and RGB color-mixing control. The 8-bit ADC reads a potentiometer or DMX-decoded brightness level; the CCP module produces a high-resolution PWM output to drive MOSFET-controlled LED strings via constant-current drivers. With 13 I/O pins, three PWM-capable channels can independently control RGB LEDs while additional GPIOs manage mode selection and status display. The OTP memory locks factory-calibrated dimming curves and color-temperature look-up tables. The extended temperature range suits outdoor architectural fixtures. The 200 ns instruction cycle enables smooth transitions across 256 brightness levels without visible stepping. Brown-out Reset ensures graceful fade-out on power loss rather than abrupt cutoff.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC16C716-04E/SO — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | PIC16C716-04I/SO | PIC16C716-04/SO | PIC16C716-20E/SO | PIC16F716-I/SO | PIC16C711-04E/SO |
|---|---|---|---|---|---|---|
| Package | 18-SOIC | 18-SOIC - same | 18-SOIC - same | 18-SOIC - same | 18-SOIC - same | 18-SOIC - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Clock Speed (max) | 4 MHz | 4 MHz | 4 MHz | 20 MHz | 20 MHz | 4 MHz |
| Program Memory | 3.5 KB OTP | 3.5 KB OTP | 3.5 KB OTP | 3.5 KB OTP | 3.5 KB Flash | 1.75 KB OTP |
| Memory Type | OTP | OTP | OTP | OTP | Flash | OTP |
| ADC | 8-bit multichannel | 8-bit multichannel | 8-bit multichannel | 8-bit multichannel | 8-bit multichannel | 8-bit multichannel |
| Operating Temperature | -40C to +125C | -40C to +85C | 0C to +70C | -40C to +125C | -40C to +85C | -40C to +125C |
| I/O Pins | 13 | 13 | 13 | 13 | 13 | 13 |
| CCP/PWM | Yes (1 channel) | Yes (1 channel) | Yes (1 channel) | Yes (1 channel) | Yes (1 channel) | Yes (1 channel) |
| Supply Voltage | 4.0 V to 5.5 V | 4.0 V to 5.5 V | 4.0 V to 5.5 V | 4.0 V to 5.5 V | 2.0 V to 5.5 V | 4.0 V to 5.5 V |
Bảo phân biệt quan trọng
- Extended industrial temperature range (-40C to +125C) (vsPIC16C716-04/SO)
- 4 MHz speed grade optimizes EMI signature for low-noise designs (vsPIC16C716-20E/SO)
- OTP memory provides lowest per-unit cost in volume (vsPIC16F716-I/SO)
- Full 3.5 KB program memory for larger application code (vsPIC16C711-04E/SO)
Ghi chú thiết kế
Place a 100 nF ceramic decoupling capacitor within 5 mm of the VDD pin (pin 14) and a bulk 10 uF tantalum or aluminum electrolytic at the board's power-entry point. The PIC16C716-04E/SO can draw brief current spikes of ~30 mA during ADC conversion; the bulk capacitor prevents VDD sag that could trigger Brown-out Reset. Keep the analog AVDD supply (when used separately from VDD) bypassed with its own 100 nF + 10 uF pair to maintain ADC accuracy - shared digital/analog ground returns must use a star-ground topology or split plane to avoid digital switching noise coupling into the analog reference.
Because the PIC16C716 is OTP (One-Time Programmable), firmware must be 100% validated before commitment - there is no second chance to correct code bugs. Always prototype with the PIC16F716-I/SO (Flash equivalent, same pinout) and only migrate to the PIC16C716 once firmware is locked. Verify all unused I/O pins are configured as outputs (not inputs floating) to prevent SCL/Schmitt-trigger shoot-through currents that can add 1-2 mA to quiescent draw. The MCLR pin must never be left floating - tie it to VDD through a 10 kohm resistor or directly for normal operation.
For designs using the on-board ADC, route analog input traces away from digital switching lines (PWM, CCP outputs, oscillator) and keep them short to minimize capacitive coupling. A ground plane is recommended; place the MCU's VSS pin connection to the plane with a short trace. The OSC1/OSC2 crystal traces (when using a crystal instead of internal oscillator) should be kept short and symmetric, with the load capacitors placed within 2-3 mm of the pins. If the device is used in a noisy environment (motor drive, relay switching), add a ferrite bead on the VDD supply and consider an RC low-pass filter on MCLR to improve noise immunity.
Thông tin tuân thủ
RoHS and REACH compliant per Microchip product page. Not AEC-Q100 qualified - for automotive applications requiring full AEC-Q100 certification, contact Microchip for the automotive-grade variant. Lead-free and halogen-free per Microchip environmental compliance documentation.