PIC16C715-04/SO - 8-bit 4MHz MCU, 3.5KB OTP, 13 I/O | Microchip
MPN： PIC16C715-04/SO ✓ 啟用中PIC16C715-04/SO 概覽
An 8-bit microcontroller is a programmable logic device that executes instructions fetched from on-chip program memory using an internal CPU core, with a data path width of 8 bits. Microcontrollers sit within the broader hierarchy of: microcontroller -> microprocessor with integrated peripherals -> embedded computing IC -> semiconductor device. The PIC16C715 belongs to the mid-range PIC16C family, which uses a 14-bit instruction word and Harvard architecture (separate program and data buses), enabling deterministic instruction timing that simplifies real-time control firmware development.
Key differentiating features include integrated 8-bit A/D conversion (4 channels) eliminating the need for external ADC ICs in low-resolution analog signal acquisition, hardware Brown-out Reset that prevents code execution at unsafe VDD levels, and a wide commercial operating temperature range suitable for consumer and industrial environments. The OTP program memory allows low-cost, low-volume programming during development or pilot production runs.
Architecturally, the PIC16C715 uses a RISC-style instruction set with most instructions executing in a single instruction cycle (4 clock periods), giving an effective throughput of 1 MIPS at 4 MHz. The integrated ADC, BOR, watchdog timer, and power-on reset reduce external component count and BOM cost for embedded applications.
Typical applications include automotive body controllers, industrial appliance controls, consumer white goods, simple sensor signal conditioning with on-chip ADC, HVAC thermostat fan wiring, and low-cost embedded control modules. The combination of on-chip ADC and small SOIC-18 footprint makes it well suited for space-constrained analog sensing designs.
When designing with this part, ensure the OSC selection bits match the chosen clock source (RC, XT, LP, HS), and allocate sufficient ADC acquisition time (typically >20 us) by adjusting the A/D clock prescaler. OTP memory cannot be re-programmed; consider the Flash-based PIC16F877A or PIC16F88A for in-application reprogrammability. This page synthesizes distributor pricing, drop-in package-compatible alternatives, and practical design notes not found in the manufacturer datasheet.
直接替換替代品，適用於 PIC16C715-04/SO — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： PIC16C715-04/SO （相同外形與佔位） — 差異在於 Package, Timers, Core Architecture, ADC, Program Memory Size.
PIC16C711-04/SO
✅ 直接替換聯絡詢價
查看資料表 →PIC16C712-04/SO
✅ 直接替換聯絡詢價
查看資料表 →PIC16C715-04I/SO
✅ 直接替換📋 參考替代品（不在目錄中）
PIC16C710-04/SO
✅ 直接替換聯絡詢價
查看資料表 →PIC16C71-04/SO
✅ 直接替換聯絡詢價
查看資料表 →PIC16C715-04/SO 最大額定值與電氣特性
| Core Architecture | 8-bit PIC16C mid-range RISC |
| Instruction Set Width | 14-bit |
| 最大時脈頻率 | 4 MHz |
| Program Memory Type | OTP (One-Time Programmable) |
| Program Memory Size | 3.5 KB (2K x 14) |
| Data RAM | 128 bytes |
| Data EEPROM | Not present |
| I/O Pins | 13 |
| ADC | 4 channels x 8-bit |
| Timers | Timer0 (8-bit with 8-bit prescaler) |
| Supply Voltage (VDD) | 4.0 V to 5.5 V |
| Brown-out Reset (BOR) | Yes |
| Watchdog Timer | Yes |
| Technology | CMOS |
| 封裝 | 18-pin SOIC (SO) |
| 安裝類型 | Surface Mount |
| 工作溫度 | 0C to +70C (commercial grade) |
PIC16C715-04/SO 腳位配置
| 腳位 1 | RA2/AN2 — PORTA bit 2 / Analog input channel 2 |
| 腳位 2 | RA3/AN3 — PORTA bit 3 / Analog input channel 3 |
| 腳位 3 | RA4/T0CKI — PORTA bit 4 / Timer0 clock input |
| 腳位 4 | MCLR — Master Clear (reset) input |
| 腳位 5 | VSS — Ground reference |
| 腳位 6 | RB0/INT — PORTB bit 0 / External interrupt input |
| 腳位 7 | RB1 — PORTB bit 1 |
| 腳位 8 | RB2 — PORTB bit 2 |
| 腳位 9 | RB3 — PORTB bit 3 |
| 腳位 10 | RB4 — PORTB bit 4 |
| 腳位 11 | RB5 — PORTB bit 5 |
| 腳位 12 | RB6 — PORTB bit 6 |
| 腳位 13 | RB7 — PORTB bit 7 |
| 腳位 14 | VDD — Positive supply voltage (4.0 V to 5.5 V) |
| 腳位 15 | OSC2/CLKOUT — Oscillator crystal output / Clock output |
| 腳位 16 | OSC1/CLKIN — Oscillator crystal input / External clock input |
| 腳位 17 | RA0/AN0 — PORTA bit 0 / Analog input channel 0 |
| 腳位 18 | RA1/AN1 — PORTA bit 1 / Analog input channel 1 |
典型應用
PIC16C715-04/SO 適用於 6 應用s: Automotive Body Controllers, Industrial Appliance Controls, Consumer Electronics Remote Sensing, HVAC Thermostat Fan Wiring, Low-Cost Sensor Signal Conditioning, Embedded Control Modules.
Automotive Body Controllers
The PIC16C715-04/SO is well suited for low-end automotive body electronics where its 4-channel 8-bit ADC reads potentiometric sensors (throttle position, fluid level) and its 13 I/O pins drive relays, solenoids, and LED indicators. The integrated Brown-out Reset prevents false code execution during cranking transients, a common automotive reliability concern. With 2K x 14 OTP program memory and 128 bytes RAM, it has sufficient headroom for typical body controller firmware. The 18-SOIC package allows compact PCB integration behind dashboards and door modules. For under-hood -40C to +125C applications, migrate to PIC16C715-04I/SO or AEC-Q100 qualified Flash parts. Pair with Microchip MCP1700 LDO for clean rail regulation.
推薦
Industrial Appliance Controls
In washing machines, dishwashers, microwave ovens, and HVAC controls, the PIC16C715-04/SO provides the integrated ADC and timer resources needed for temperature sensing, motor speed feedback, and user keypad scanning. Its 8-bit RISC core at 4 MHz delivers 1 MIPS, enough throughput for PID control loops running at 100 Hz update rates. The 13 I/O pins directly drive triac interface optos, seven-segment displays, and buzzer drivers. OTP program memory locks firmware IP for high-volume white goods production. The 18-SOIC footprint simplifies single-sided PCB assembly. Brown-out Reset ensures clean recovery after power-line dropouts common in residential wiring.
推薦
Consumer Electronics Remote Sensing
Battery-powered remote controls, environmental monitors, and small sensor hubs leverage the PIC16C715-04/SO for its low component count: integrated 4-channel ADC, 128 bytes RAM, and 13 I/O eliminate the need for external ADC ICs or port chips. The CMOS design draws minimal current in sleep mode, extending battery life in portable applications. OTP memory is appropriate for high-volume consumer products where firmware is finalized before tooling. The 18-SOIC package supports automated pick-and-place assembly. The Timer0 with 8-bit prescaler enables precise debounce intervals for mechanical button inputs.
推薦
HVAC Thermostat Fan Wiring
Thermostat and HVAC control modules use the PIC16C715-04/SO to read temperature setpoint potentiometers via the on-chip 4-channel ADC, drive TRIAC-optocoupler interfaces to fan relays, and debounce mechanical mode switches via Timer0. The 4 MHz clock is sufficient for proportional fan control loops. The 13 I/O handle up to 3 fan speeds, a heat/cool mode relay, and a 7-segment indicator with no external logic. OTP memory locks the climate control algorithm for production. Brown-out Reset handles power glitches during compressor cycling. The 18-SOIC package fits behind wall-mount thermostat bezels.
推薦
Low-Cost Sensor Signal Conditioning
The PIC16C715-04/SO functions as a stand-alone sensor signal conditioner: its 4-channel 8-bit ADC digitizes analog sensor outputs (thermistors, photocells, strain gauges) and the firmware applies linearization, scaling, and threshold detection before driving indicator LEDs or transmitting results via UART bit-banging on PORTB. The 128 bytes RAM accommodate lookup tables for sensor calibration curves. The 4 MHz clock and 1 MIPS throughput handle real-time signal processing without external DSP. OTP memory locks the calibration coefficients per unit during programming. The 18-SOIC package suits compact sensor transmitter modules.
推薦
Embedded Control Modules
Universal embedded control modules for hobbyist, educational, and small-OEM use leverage the PIC16C715-04/SO for its breadboard-friendly availability (DIP variants), straightforward PIC16C mid-range instruction set, and integrated peripherals that minimize external glue logic. The 2K x 14 OTP memory accommodates typical control firmware including interrupt handlers, state machines, and basic communication stacks. The 4-channel 8-bit ADC reads analog inputs for robotics, motor control, and sensor prototyping. Watchdog timer and Brown-out Reset provide robustness for unattended installations. PICkit programmer compatibility simplifies development.
推薦
推薦產品摘要
工程參考資料，適用於 PIC16C715-04/SO — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | PIC16C711-04/SO | PIC16C712-04/SO | PIC16C715-04I/SO | PIC16C710-04/SO | PIC16C71-04/SO |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 18-SOIC | 18-SOIC - same | 18-SOIC - same | 18-SOIC - same | 18-SOIC - same | 18-SOIC - same |
| Program Memory | 3.5 KB (2K x 14) OTP | 1.75 KB (1K x 14) OTP | 1.75 KB (1K x 14) OTP | 3.5 KB (2K x 14) OTP | 0.875 KB (0.5K x 14) OTP | 1.75 KB (1K x 14) OTP |
| Maximum Clock | 4 MHz | 4 MHz | 4 MHz | 4 MHz | 4 MHz | 4 MHz |
| ADC | 4-ch x 8-bit | 4-ch x 8-bit | 4-ch x 8-bit | 4-ch x 8-bit | None | None |
| I/O Pins | 13 | 13 | 13 | 13 | 13 | 13 |
| Data RAM | 128 bytes | 128 bytes | 128 bytes | 128 bytes | 128 bytes | 64 bytes |
| Temperature Grade | Commercial 0C to +70C | Commercial 0C to +70C | Commercial 0C to +70C | Industrial -40C to +85C | Commercial 0C to +70C | Commercial 0C to +70C |
主要差異化特點
- Integrated 4-channel 8-bit ADC in 18-SOIC footprint (對比PIC16C710-04/SO)
- Largest program memory in PIC16C71X SOIC family (對比PIC16C711-04/SO and PIC16C712-04/SO)
- Commercial 0C to +70C grade variant at lowest cost (對比PIC16C715-04I/SO)
設計說明
The PIC16C715-04/SO requires a stable 4.0 V to 5.5 V supply. Place a 100 nF decoupling capacitor as close as possible to the VDD pin (pin 14) with a short ground return to pin 5 (VSS). For battery or noisy industrial supplies, add a 10 uF bulk capacitor at the board power entry. The Brown-out Reset trips near 4.0 V; operation below this threshold is not guaranteed, so a supervisor IC is unnecessary under clean rails but recommended for long-wire sensor applications. Estimated: at 5 V VDD and 4 MHz clock, the device draws approximately 2 mA active and 1 uA sleep.
Route the crystal traces between pins 15 (OSC2) and 16 (OSC1) and the crystal as short as possible, with a ground plane pour underneath to minimize capacitive coupling. Keep digital signal traces (PORTB) away from the analog inputs (RA0-RA3) and consider a guard ring around analog traces if the board handles low-mV sensor signals. Place the MCLR pull-up resistor (typically 10 kohm) close to pin 4 with a short trace to VDD to improve noise immunity. The 18-SOIC package has a 1.27 mm pin pitch - allow 0.2 mm trace/space clearance per IPC-2221.
Do not exceed the absolute maximum VDD of 7.0 V on pin 14 or apply voltage to any pin before VDD is stable. The ADC acquisition time must exceed 20 us; use the A/D clock prescaler (ADCS1:ADCS0 bits) to ensure the A/D clock period is at least 1.6 us. OTP memory cannot be erased - test firmware on a Flash-based PIC16F88A or PIC16F877A first, then port to PIC16C715 only after firmware is finalized. Verify the CONFIG register oscillator selection bits (FOSC1:FOSC0) match the actual crystal or RC network on the board.
合規資訊
RoHS and REACH status not explicitly stated in provided Verified Web Data; marked unknown. Not AEC-Q100 qualified - PIC16C715-04/SO is commercial 0C to +70C only. Lead-free per SOIC package convention.