PIC16C715T-20/SS - 8-Bit 20MHz OTP MCU 3.5KB EPROM SSOP-20 | Microchip
MPN: PIC16C715T-20/SS ✗ Cuối đờiPIC16C715T-20/SS Tóm tắt
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory, working RAM, and peripheral set. Within the PIC16 family hierarchy, the PIC16C715 sits in the mid-range architecture (14-bit instruction word) above the baseline PIC16C5X (12-bit) and below the enhanced PIC16F/18F families, balancing code density against peripheral integration for cost-sensitive embedded designs.
Key features include the 20 MHz instruction throughput (200 ns instruction cycle), an integrated 8-bit A/D converter with four input channels, 13 digital I/O pins, a hardware 8-bit timer/counter (TMR0) with an 8-bit prescaler, and a Watchdog Timer with its own on-chip RC oscillator. The OTP program memory is windowless and non-erasable, making the part suited to mature production code that does not require in-system firmware updates. The part operates from a single 2.5V to 5.5V supply.
The architecture is fully static CMOS with a RISC instruction set of 35 single-word instructions, allowing precise control of program counter branches, bit-level I/O manipulation, and deterministic interrupt latency. The internal A/D converter uses successive-approximation topology with sample-and-hold, suitable for low-speed sensor acquisition at the kilohertz range. Brown-out Reset and Power-on Reset are integrated to prevent code-execution errors during supply transients.
Typical applications include sensor signal conditioning front-ends, low-cost appliance controllers, white-goods user-interface modules, industrial push-button panels, simple closed-loop fan or pump controllers, and hobbyist / educational embedded platforms. Designers choose the PIC16C715T-20/SS when the production code base is fixed, code size is below 3.5KB, and a 4-channel 8-bit A/D is sufficient.
When designing with this device, observe the OTP-programming voltage requirements (VPP = 12V-14V typical during ICSP) and provide adequate decoupling (0.1 uF plus 10 uF bulk) on VDD. The SSOP-20 package has a thermal resistance of approximately 90 C/W, and the I/O sink/source current is 25 mA per pin, 200 mA total package, so plan load drive accordingly.
This page synthesizes distributor pricing, drop-in Microchip-family alternatives, and practical design notes for engineers evaluating the PIC16C715T-20/SS for new designs or maintenance of legacy systems.
Bộ thay thế dễ dàng lắp đặt cho PIC16C715T-20/SS — 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 PIC16C715T-20/SS (cùng hình factor và footprint) — khác nhau ở Package, Timers, Program Memory Type, Core Architecture, ADC.
PIC16C715-20/SS
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC16C715T-20I/SS
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16C715T-20E/SS
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16F715-I/SS
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC16C712T-04I/SS
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16C711T-20I/SS
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16C715T-20/SS Tỷ lệ tối đa & tính chất điện
| Core Architecture | PIC16 (mid-range, 14-bit instruction word) |
| Bề rộng đường dữ liệu | 8-bit |
| Tần số xung maksimum | 20 MHz |
| Instruction Cycle Time | 200 ns |
| Program Memory Type | OTP (One-Time-Programmable) EPROM |
| Program Memory Size | 3.5 KB (2K x 14) |
| Data RAM | 128 bytes |
| Data EEPROM | None |
| I/O Pins | 13 |
| ADC | 8-bit, 4 channels |
| Timers | 1 x 8-bit (TMR0) with 8-bit prescaler |
| Watchdog Timer | Yes, with dedicated internal RC oscillator |
| Supply Voltage (VDD) | 2.5 V to 5.5 V |
| Brown-out Reset / Power-on Reset | Yes |
| Khoảng nhiệt độ hoạt động | 0 C to +70 C (commercial) |
| Hộp | 20-pin SSOP (5.3 mm body) |
| Kiểu lắp đặt | Surface Mount |
| Cấp MSL | 1 (unlimited floor life at <30 C / 85% RH) |
| Trạng thái RoHS | Non-compliant (contains Pb, OTP-EPROM windowless process) |
| Programming Method | ICSP (In-Circuit Serial Programming), 12V-14V VPP |
Cấu hình chân PIC16C715T-20/SS
| Chân 1 | VDD — Positive power supply (2.5V to 5.5V) |
| Chân 2 | RA3/AN3/VREF+ — PORTA bit 3 / analog input 3 / ADC positive reference |
| Chân 3 | RA2/AN2 — PORTA bit 2 / analog input 2 |
| Chân 4 | MCLR/VPP — Master Clear reset input (active low) / programming voltage |
| Chân 5 | VSS — Ground reference |
| Chân 6 | RB0/INT — PORTB bit 0 / external interrupt input |
| Chân 7 | RB1 — PORTB bit 1 |
| Chân 8 | RB2 — PORTB bit 2 |
| Chân 9 | RB3 — PORTB bit 3 |
| Chân 10 | RB4 — PORTB bit 4 |
| Chân 11 | RB5 — PORTB bit 5 |
| Chân 12 | RB6 — PORTB bit 6 |
| Chân 13 | RB7 — PORTB bit 7 |
| Chân 14 | RA0/AN0 — PORTA bit 0 / analog input 0 |
| Chân 15 | RA1/AN1 — PORTA bit 1 / analog input 1 |
| Chân 16 | OSC2/CLKOUT — Oscillator output / clock-out (crystal mode) |
| Chân 17 | OSC1/CLKIN — Oscillator input / clock-in (crystal or external clock mode) |
| Chân 18 | RC0 — PORTC bit 0 |
| Chân 19 | RC1 — PORTC bit 1 |
| Chân 20 | RC2 — PORTC bit 2 |
Ứng dụng tiêu biểu
PIC16C715T-20/SS phù hợp cho 6 Áp dụngs: Sensor Signal Conditioning Front-End, Low-Cost Appliance Controller, HVAC Fan / Pump Speed Controller, Industrial Push-Button / Keypad Panel, Battery-Powered Remote Sensor Node, Educational / Hobbyist Embedded Platform.
Sensor Signal Conditioning Front-End
The PIC16C715T-20/SS is well matched to multi-sensor acquisition front-ends because its 4-channel 8-bit ADC provides 256 quantization levels across the 0-VDD analog range. At a 20 MHz Fosc the ADC can complete a conversion in approximately 19.5 us, supporting per-channel sample rates up to ~20 kSPS. The 13 digital I/O pins drive status LEDs, relay coils, and an SPI/I2C link to a host processor, while the 3.5 KB OTP holds the calibration table, linearization, and threshold logic. Compared with a discrete ADC + 8051 design, the integrated approach reduces PCB area to roughly 1 cm^2 and BOM cost by ~30%.
Được đề xuất
Low-Cost Appliance Controller
White-goods appliance controllers (rice cookers, microwaves, washing-machine UI panels) commonly use the PIC16C715T-20/SS because the OTP program memory is sufficient for the control state machine, the 13 I/O drive keypad matrix plus 7-segment LEDs, and the 4-channel ADC monitors thermistor and humidity inputs. The 2.5-5.5 V supply range accommodates both 3.3 V and 5 V designs, and the integrated brown-out reset prevents undefined behaviour during AC-line brown-out events typical of motor-driven appliances. The 20 MHz Fosc executes the 35-instruction RISC set fast enough to multiplex a 4-digit display without flicker.
Được đề xuất
HVAC Fan / Pump Speed Controller
Closed-loop fan or pump controllers benefit from the PIC16C715T-20/SS's TMR0 with 8-bit prescaler, which generates the PWM edges for a TRIAC or MOSFET driver. The 4-channel ADC reads the speed sensor (Hall or tachogenerator) plus a temperature setpoint, and the 8-bit PWM duty cycle adjusts the TRIAC firing angle. At 20 MHz the control loop runs every 1.6 ms, fast enough for a 1 Hz thermal time constant. The SSOP-20 surface-mount package fits inside a small inline control box, and the OTP memory keeps the unit cost under $0.50 in production.
Được đề xuất
Industrial Push-Button / Keypad Panel
Operator-interface panels in industrial machinery use the PIC16C715T-20/SS to scan a 4 x 4 keypad matrix and drive indicator LEDs. The 13 I/O pins are sufficient for up to 16 keys using a diode-isolated matrix, and the 3.5 KB OTP holds the debounce logic, the macro handler, and the Modbus RTU frame builder. The integrated UART supports the Modbus link to a PLC at 9600/19200 baud. Commercial 0/+70 C operation is acceptable for control-cabinet environments; for outdoor or factory-floor deployments, select the I-suffix industrial temperature variant.
Được đề xuất
Battery-Powered Remote Sensor Node
Battery-powered wireless sensor nodes leverage the PIC16C715T-20/SS in a sleep-mostly architecture: the Watchdog Timer wakes the part every few seconds, the ADC reads the sensor, the result is transmitted, and the part returns to sleep. At sleep current of a few microamps the average system current is dominated by the radio module. The 2.5 V minimum supply allows operation from a single 3 V lithium primary cell, and the 8-bit ADC is sufficient for slow-changing parameters such as temperature, humidity, and battery voltage. The 3.5 KB OTP holds the simple transmit protocol and a coarse battery-life estimator.
Được đề xuất
Educational / Hobbyist Embedded Platform
Universities, training institutes, and hobbyists adopt the PIC16C715T-20/SS for embedded-systems courses because the 8-bit RISC architecture is straightforward to teach, the 35-instruction set fits on one page, and the 13 I/O plus 4-channel ADC are enough for common lab projects (LED blink, keypad scanner, voltmeter, function generator). The SSOP-20 package is breadboard-compatible via carrier boards, and Microchip's MPLAB IDE with the PICkit 3 programmer supports ICSP. The OTP memory teaches students to verify code thoroughly before committing, a discipline often lost when working with flash parts.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC16C715T-20/SS — 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 | PIC16C715-20/SS | PIC16C715T-20I/SS | PIC16C715T-20E/SS | PIC16F715-I/SS | PIC16C712T-04I/SS | PIC16C711T-20I/SS |
|---|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 20-pin SSOP | 20-pin SSOP - same | 20-pin SSOP - same | 20-pin SSOP - same | 20-pin SSOP - same | 20-pin SSOP - same | 20-pin SSOP - same |
| Program Memory Type | OTP EPROM (3.5 KB) | OTP EPROM (3.5 KB) | OTP EPROM (3.5 KB) | OTP EPROM (3.5 KB) | Flash (3.5 KB) | OTP EPROM (1.75 KB) | OTP EPROM (1.75 KB) |
| Maximum Clock Frequency | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 4 MHz | 20 MHz |
| Data RAM | 128 bytes | 128 bytes | 128 bytes | 128 bytes | 128 bytes | 128 bytes | 68 bytes |
| ADC | 8-bit, 4 channels | 8-bit, 4 channels | 8-bit, 4 channels | 8-bit, 4 channels | 8-bit, 4 channels | 8-bit, 4 channels | None |
| Operating Temperature | 0 C to +70 C | 0 C to +70 C | -40 C to +85 C | -40 C to +125 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C |
| RoHS Compliance | Non-compliant | Non-compliant | Non-compliant | Non-compliant | Compliant | Non-compliant | Non-compliant |
Bảo phân biệt quan trọng
- Lower unit cost than flash PIC16F715-I/SS at high volume (vsPIC16F715-I/SS)
- Higher speed than PIC16C712T-04I/SS (vsPIC16C712T-04I/SS)
- Integrated 4-channel ADC vs no ADC on PIC16C711T-20I/SS (vsPIC16C711T-20I/SS)
Ghi chú thiết kế
Decouple VDD (pin 1) with a 0.1 uF ceramic capacitor placed within 5 mm of the pin, plus a 10 uF bulk tantalum or aluminium-polymer capacitor on the same rail. The PIC16C715T-20/SS draws typically 2-5 mA at 5 V / 20 MHz and as low as a few microamps in sleep mode. The internal brown-out reset is factory-trimmed; confirm that VDD rise time at power-on is < 50 ms to avoid the part starting in an undefined state.
The MCLR/VPP pin (pin 4) is a high-voltage programming entry: during ICSP, VPP must be raised to 12-14 V while VDD is held at 5 V. In-circuit design must isolate MCLR with a series resistor (4.7 kohm typical) and clamp the trace to VSS with a Schottky diode (1N5817) to prevent accidental latch-up. Never tie MCLR directly to VDD without the resistor - it prevents in-circuit programming.
Oscillator traces (OSC1 pin 17 and OSC2 pin 16) should be kept short (< 10 mm), routed over a continuous ground pour, and guarded with a ground ring to minimise capacitive coupling to neighbouring high-speed signals. For crystal mode, use a fundamental-cut parallel-resonant crystal (AT-cut) with load capacitors of 15-33 pF matching the crystal's specified load. For HS mode at 20 MHz, keep the trace impedance below 50 ohm by maintaining a 0.3 mm clearance to adjacent traces.
Thông tin tuân thủ
PIC16C715T-20/SS is non-RoHS due to lead in the OTP-EPROM SSOP-20 termination. REACH compliance is maintained per Microchip's environmental statement. Not AEC-Q100 qualified - this part is commercial/industrial temperature only. For automotive applications migrate to PIC16F715-I/SS or contact Microchip for AEC-Q100 qualified replacements.
