PIC16C715T-04/SO - 8-Bit 4MHz OTP MCU 3.5KB | Microchip
MPN: PIC16C715T-04/SO ✗ Cuối đờiPIC16C715T-04/SO Tóm tắt
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory, working RAM, and peripheral interfaces such as timers, I/O ports, and analog-to-digital converters into one package. Within the broader taxonomy, the PIC16C715 belongs to the PIC16 mid-range family of 8-bit microcontrollers, which sits under the PIC16C OTP/EPROM-based sub-family and ultimately under Microchip's 8-bit PIC architecture — a category commonly placed under embedded microcontrollers and then under Integrated Circuits. The PIC16C715 specifically integrates a 10-bit (approximate) ADC and 13 digital I/O pins, making it suitable for mixed-signal embedded designs.
Key features include low-power CMOS technology, an integrated 8-bit ADC, 13 digital I/O lines, two timer modules (TMR0 and TMR1-style counters referenced in mid-range PICs), a watchdog timer, and the standard PIC16 in-system programming/serial programming interface. The 4 MHz maximum oscillator frequency and 35-instruction RISC core yield predictable deterministic interrupt latency that embedded engineers rely on for real-time control.
Architecturally, the part uses a Harvard-style memory map with separate program and data buses, a 14-bit wide instruction word, and a file-register map split between General Purpose Registers (GPR) and Special Function Registers (SFR). The OTP program memory allows one-time customization during manufacturing or engineering bring-up, while the SRAM data memory retains run-time state.
Typical applications include appliance control, sensor signal conditioning with on-chip ADC, low-cost consumer electronics, automotive body controllers, and industrial automation sub-systems where a compact 18-pin footprint, a 4 MHz clock, and an integrated analog front-end reduce BOM cost. The 18-SOIC package supports automated SMT assembly in volume production.
When designing with this device, observe the 4 MHz oscillator ceiling and ensure decoupling on VDD/VSS. Note that the OTP memory cannot be re-programmed, so firmware must be fully validated before commit. Per Microchip's product page, the newer flash-based PIC16F716 is recommended for new designs.
This page synthesizes distributor pricing, drop-in compatible alternatives, and practical design notes not found in a single source on the manufacturer datasheet.
Bộ thay thế dễ dàng lắp đặt cho PIC16C715T-04/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 PIC16C715T-04/SO (cùng hình factor và footprint) — khác nhau ở Core Architecture, Operating Temperature, Package, Program Memory Type, Timers.
PIC16C715-04/SO
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16C715T-20/SO
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC16C715T-04E/SO
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC16C715T-04I/SO
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16F716-I/SO
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16C715T-04/SO Tỷ lệ tối đa & tính chất điện
| Core Architecture | PIC16C 8-bit RISC |
| Program Memory Type | OTP (One-Time-Programmable) EPROM |
| Program Memory Size | 3.5 KB (2K × 14 words) |
| Data RAM | 128 bytes |
| Tần số xung maksimum | 4 MHz |
| Instruction Execution Time | 200 ns (at 20 MHz / 4T = 4 MHz effective) |
| Instruction Set | 35 single-word instructions |
| Supply Voltage (typical) | 5 V |
| Nhiệt độ hoạt động | 0C to +70C (commercial) |
| I/O Pins | 13 |
| ADC | 8-bit integrated |
| Hộp | 18-pin SOIC (SO) |
| Kiểu lắp đặt | Surface Mount |
| Packaging | Tape & Reel (T suffix) |
Cấu hình chân PIC16C715T-04/SO
| Chân 1 | RA2 — Digital I/O / analog input AN2 |
| Chân 2 | RA3 — Digital I/O / analog input AN3 |
| Chân 3 | RA4 — Digital I/O / analog input AN4 / T0CKI |
| Chân 4 | MCLR/VPP — Master Clear (reset) input / programming voltage |
| Chân 5 | VSS — Ground reference |
| Chân 6 | RB0/INT — Digital I/O / external interrupt |
| Chân 7 | RB1 — Digital I/O |
| Chân 8 | RB2 — Digital I/O |
| Chân 9 | RB3 — Digital I/O |
| Chân 10 | RB4 — Digital I/O |
| Chân 11 | RB5 — Digital I/O |
| Chân 12 | RB6 — Digital I/O / ICSP clock |
| Chân 13 | RB7 — Digital I/O / ICSP data |
| Chân 14 | VDD — Positive supply voltage (5 V) |
| Chân 15 | OSC2/CLKOUT — Oscillator crystal output / clock out |
| Chân 16 | OSC1/CLKIN — Oscillator crystal input / external clock in |
| Chân 17 | RA0 — Digital I/O / analog input AN0 |
| Chân 18 | RA1 — Digital I/O / analog input AN1 |
Ứng dụng tiêu biểu
PIC16C715T-04/SO phù hợp cho 7 Áp dụngs: Appliance Control, Sensor Signal Conditioning with On-Chip ADC, Low-Cost Consumer Electronics, Automotive Body Controllers (Legacy), Industrial Automation Sub-Systems, Educational and Hobbyist Embedded Projects, HVAC and Thermostat Control.
Appliance Control
The PIC16C715T-04/SO fits appliance control boards because its 3.5 KB program memory holds typical state-machine control code (washing cycles, fan curves, user-interface handling), its 13 digital I/O pins drive relays, LEDs, and keypads, and the integrated 8-bit ADC reads thermistors and level sensors. At 4 MHz the 200 ns instruction execution delivers deterministic response times required for safety interlocks. The 18-SOIC footprint supports automated SMT lines; however, because OTP memory cannot be re-programmed in the field, firmware must be fully validated before commissioning. Production engineers typically migrate to the flash-based PIC16F716-I/SO for new appliance platforms while continuing to source PIC16C715T-04/SO for legacy service parts.
Được đề xuất
Sensor Signal Conditioning with On-Chip ADC
The PIC16C715T-04/SO integrates an 8-bit ADC that is well-matched to low-cost analog front-ends such as thermistor bridges, photodiode amplifiers, and potentiometer position sensors. With 3.5 KB of OTP program memory, designers can implement calibration curves, linearization tables, and moving-average filtering in firmware without external components. The 4 MHz clock provides adequate throughput for 8-bit ADC sampling rates in the multi-kHz range, and 128 bytes of RAM are sufficient for sample buffers and stack depth in interrupt-driven routines. The 13 I/O pins expose the analog channels alongside digital I/O, enabling compact sensor PCBs in instrumentation and IoT edge devices.
Được đề xuất
Low-Cost Consumer Electronics
Toy controllers, remote-control transmitters, low-end white-goods user interfaces, and educational electronics kits benefit from the PIC16C715T-04/SO's 4 MHz RISC core, 35 single-word instructions, and 18-SOIC surface-mount package. The OTP program memory protects intellectual property at low unit cost - competitive consumer margins depend on a sub-$2 MCU. The integrated ADC allows battery and signal-level monitoring on the same chip. Designers should account for OTP one-time-programming in the supply chain: firmware bugs require board rework rather than firmware reflashing, which is why Microchip recommends the flash-based PIC16F716 for new consumer platforms.
Được đề xuất
Automotive Body Controllers (Legacy)
Although the commercial-temperature PIC16C715T-04/SO is rated 0C to +70C, the PIC16C715T-04I/SO industrial variant (-40C to +85C) and PIC16C715T-04E/SO extended variant (-40C to +125C) are both pin-compatible drop-in replacements in the same 18-SOIC footprint. These temperature grades were historically used in non-safety body controllers such as seat-position memories, mirror adjusters, and interior lighting modules. The 13 digital I/O drive small solenoids and LEDs, the ADC reads potentiometers, and 3.5 KB of code holds the position lookup tables. For new automotive designs, AEC-Q100-qualified PIC16F variants should be used instead; PIC16C715 is NRND for automotive new designs.
Được đề xuất
Industrial Automation Sub-Systems
Industrial sensor nodes, panel meters, low-channel-count PLC expansion cards, and HVAC damper actuators are well-served by the PIC16C715T-04/SO when cost dominates over flash flexibility. The 4 MHz clock supports deterministic loop times for PID control loops running at 1 ms intervals, and 128 bytes of RAM accommodate control variables plus stack. The integrated watchdog timer recovers the MCU from firmware lockups caused by EMI events common on factory floors. Production engineers should still consider migrating to flash-based PIC16F1xxx devices for new installations to gain in-field firmware updates and longer product lifecycle support.
Được đề xuất
Educational and Hobbyist Embedded Projects
Universities, technical schools, and makers favor the PIC16C715T-04/SO for teaching RISC microcontroller fundamentals because the PIC16C instruction set has only 35 single-word instructions - a tractable size for assembly-language courses. The 18-SOIC package fits standard breakout boards, the integrated ADC introduces analog-mixed teaching material, and the 3.5 KB OTP memory is large enough for student projects (blinking LEDs, UART echo, motor speed control) while small enough that hand-written assembly fits on a page. Note that because the device is OTP, every programming cycle consumes a chip - the PIC16F716-I/SO is the preferred teaching alternative.
Được đề xuất
HVAC and Thermostat Control
HVAC thermostat boards and damper controllers use the PIC16C715T-04/SO to read thermistor temperature via the on-chip 8-bit ADC, drive relay outputs for compressor and fan stages via the 13 digital I/O lines, and run scheduling logic in 3.5 KB of OTP memory. The 4 MHz clock is sufficient for the 1-Hz control loop and the user-interface scan. Industrial-temperature PIC16C715T-04I/SO is often specified to survive attic and equipment-room environments. For new thermostat designs, the PIC16F716-I/SO is recommended because it adds flash re-programmability for Wi-Fi or touchscreen firmware updates without board rework.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC16C715T-04/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 | PIC16C715-04/SO | PIC16C715T-20/SO | PIC16C715T-04E/SO | PIC16C715T-04I/SO | PIC16F716-I/SO |
|---|---|---|---|---|---|---|
| Package | 18-SOIC (SO) | 18-SOIC (SO) - same | 18-SOIC (SO) - same | 18-SOIC (SO) - same | 18-SOIC (SO) - same | 18-SOIC (SO) - same |
| Brand | Microchip Technology | Microchip Technology - same | Microchip Technology - same | Microchip Technology - same | Microchip Technology - same | Microchip Technology - same |
| Max Clock Frequency | 4 MHz | 4 MHz - same | 20 MHz | 4 MHz - same | 4 MHz - same | 20 MHz |
| Program Memory Type | OTP EPROM | OTP EPROM - same | OTP EPROM - same | OTP EPROM - same | OTP EPROM - same | Flash (re-programmable) |
| Program Memory Size | 3.5 KB | 3.5 KB - same | 3.5 KB - same | 3.5 KB - same | 3.5 KB - same | 3.5 KB - same |
| Data RAM | 128 B | 128 B - same | 128 B - same | 128 B - same | 128 B - same | 128 B - same |
| Operating Temperature | 0C to +70C | 0C to +70C - same | 0C to +70C - same | -40C to +125C | -40C to +85C | -40C to +85C |
| Lifecycle Status | NRND | NRND - same | NRND - same | NRND - same | NRND - same | Active |
| I/O Pins | 13 | 13 - same | 13 - same | 13 - same | 13 - same | 13 - same |
Bảo phân biệt quan trọng
- OTP EPROM program memory protects firmware IP at sub-$2 cost (vsPIC16F716-I/SO)
- Stable, mature silicon proven across decades of high-volume legacy designs (vsPIC16F716-I/SO)
- Industrial and extended temperature drop-in variants available (vsPIC16F716-I/SO)
Ghi chú thiết kế
The PIC16C715T-04/SO uses One-Time-Programmable (OTP) EPROM - firmware bugs cannot be corrected by re-programming. Every prototype cycle consumes a chip, so production-grade firmware should be validated on PIC16F716 flash samples before committing to PIC16C715 OTP programming. Budget for waste during bring-up.
Decouple VDD (pin 14) and VSS (pin 5) with a 100 nF ceramic capacitor placed within 5 mm of the package pins. For designs that switch relays or solenoids on the I/O pins, add a bulk 10 uF tantalum or aluminum-polymer capacitor on the supply rail to absorb inrush. The 5 V supply must remain within the PIC16C715 datasheet specification; use an MCP1700 LDO if the upstream rail is unregulated.
The 18-SOIC pin pitch is 1.27 mm (50 mil). Use a fine-pitch soldering tip and 0.4 mm solder paste stencil apertures for hand-prototype boards. Production SMT reflow profiles should follow the JEDEC J-STD-020 profile for small-outline ICs (peak < 250 C for 20-30 s). For tape-and-reel handling, conform to EIA-481 carrier tape standards.
Route the crystal traces (OSC1/OSC2, pins 15-16) short and symmetric, with a ground guard ring or ground flood on the surrounding layer to minimize coupling of switching noise from the I/O pins into the oscillator. Place MCLR/VPP (pin 4) decoupling close to the pin; this line is sensitive and serves as the programming voltage input during ICSP.
Thông tin tuân thủ
RoHS, REACH, lead-free, halogen-free, and conflict-mineral status not confirmed in the Verified Web Data for the legacy PIC16C715T-04/SO. The part is NRND for new automotive designs (use AEC-Q100-qualified PIC16F variants).