PIC16LC715-04I/SS - 8-bit MCU, 4MHz, 3.5KB OTP, 20-SSOP | Microchip
MPN: PIC16LC715-04I/SS ✓ Hoạt độngPIC16LC715-04I/SS Tóm tắt
An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory (ROM/Flash/OTP), volatile data memory (RAM), and configurable peripherals onto one IC. The PIC16CXX mid-range family uses a Harvard RISC architecture with separate program and data buses, enabling deterministic single-cycle instruction execution. The PIC16LC715 sits within the broader taxonomy of microcontrollers -> microcontrollers and microprocessors -> digital ICs -> integrated circuits, providing the lowest-cost entry point into embedded control for simple sensor reading, actuator driving, and user-interface tasks.
Key features include 35 single-word instructions, 8-level hardware stack, four 8-bit A/D channels with 8-bit resolution, two 8-bit timers (Timer0, Timer2) plus one 16-bit timer (Timer1), a Watchdog Timer with its own on-chip RC oscillator, and Power-on Reset / Brown-out Reset / Power-up Timer for robust industrial startups. The part carries the -04 speed grade (4 MHz oscillator / 200 ns instruction cycle) and the -I industrial temperature suffix (-40C to +85C), distinguishing it from the -E extended grade (-40C to +125C).
Typical applications include industrial sensor signal conditioning, battery chargers, small appliance controllers, and consumer white-goods user interfaces where a 4-channel 8-bit A/D converts thermistor, potentiometer, or current-sense signals directly into digital form. The 20-pin SSOP footprint, 128-byte data RAM, and 3.5KB OTP suit it to firmware under 2K instruction words - any larger requires a sibling such as the PIC16F716 (Flash-based, recommended modern equivalent).
Design tip - choose this part when OTP cost advantage and a small analog channel count are more important than in-system reprogrammability; otherwise consider the PIC16F716 in the same 20-SSOP footprint for Flash-based flexibility. This page synthesizes distributor pricing, same-package drop-in alternatives, and design notes not collected in any single distributor listing.
Bộ thay thế dễ dàng lắp đặt cho PIC16LC715-04I/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 PIC16LC715-04I/SS (cùng hình factor và footprint) — khác nhau ở Package, ADC, Program Memory Size, Operating Temperature, Program Memory Type.
PIC16LC715-04I/P
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →PIC16LC715T-04I/SS
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16F716-I/SS
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16C715-04I/SS
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
PIC16LC711-04I/SO
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16LC715-04I/SS Tỷ lệ tối đa & tính chất điện
| Core Architecture | PIC16CXX mid-range 8-bit RISC |
| Program Memory Type | OTP (One-Time-Programmable) |
| Program Memory Size | 3.5 KB (2K x 14 instructions) |
| Data RAM | 128 bytes |
| Data EEPROM | None |
| Maximum CPU Frequency | 4 MHz |
| Instruction Cycle Time | 200 ns |
| Number of I/O Pins | 13 |
| ADC | 4 channels x 8-bit |
| Timers | Timer0 (8-bit), Timer1 (16-bit), Timer2 (8-bit) |
| Watchdog Timer | Yes (with dedicated on-chip RC) |
| Supply Voltage (VDD) | 2.5 V to 5.5 V |
| Nhiệt độ hoạt động | -40 C to +85 C (Industrial, -I suffix) |
| Instruction Set | 35 single-word instructions |
| Stack Depth | 8 levels (hardware) |
| Brown-out Reset | Yes |
| Power-up Timer | Yes |
| Hộp | 20-pin SSOP (5.3 mm body) |
| Kiểu lắp đặt | Surface Mount (Gull Wing) |
| Trạng thái RoHS | Compliant |
Cấu hình chân PIC16LC715-04I/SS
| Chân 1 | RA2/AN2 — Port A bit 2 / analog input 2 |
| Chân 2 | RA3/AN3 — Port A bit 3 / analog input 3 / VREF+ |
| Chân 3 | RA4/T0CKI — Port A bit 4 / Timer0 clock input |
| Chân 4 | RA5/AN4 — Port A bit 5 / analog input 4 |
| Chân 5 | VSS — Ground reference |
| Chân 6 | RB0/INT — Port B bit 0 / external interrupt |
| Chân 7 | RB1 — Port B bit 1 |
| Chân 8 | RB2 — Port B bit 2 |
| Chân 9 | RB3 — Port B bit 3 |
| Chân 10 | RB4 — Port B bit 4 |
| Chân 11 | RB5 — Port B bit 5 |
| Chân 12 | RB6 — Port B bit 6 |
| Chân 13 | RB7 — Port B bit 7 |
| Chân 14 | VDD — Positive supply voltage (2.5-5.5 V) |
| Chân 15 | OSC2/CLKOUT — Oscillator crystal output / clock out |
| Chân 16 | OSC1/CLKIN — Oscillator crystal input / external clock in |
| Chân 17 | RC0 — Port C bit 0 |
| Chân 18 | RC1 — Port C bit 1 |
| Chân 19 | RC2 — Port C bit 2 |
| Chân 20 | MCLR/VPP — Master Clear (reset) / programming voltage |
Ứng dụng tiêu biểu
PIC16LC715-04I/SS phù hợp cho 7 Áp dụngs: Industrial Sensor Signal Conditioning, Battery Charger Controller (Lead-Acid / NiMH), Small Appliance Control (Coffee Makers, Irons, Toasters), Consumer User Interface (Buttons + LCD/LED), Automotive Accessory (Non-Safety, Body Electronics), Hobby / Maker Projects (RC Servo, Model Railroad), HVAC Thermostat (Low-End Residential).
Industrial Sensor Signal Conditioning
The PIC16LC715-04I/SS is well suited to industrial sensor-front-end designs where a small number of analog signals must be converted and acted upon without the cost of a larger MCU. Its 4 channels of 8-bit A/D accept signals from thermistors, photocells, or 4-20 mA current-sense shunts (after scaling to 0-VDD), and the 128-byte RAM supports simple moving-average filters. The 3.5 KB OTP stores finite-state-machine control logic, while the Brown-out Reset and Watchdog Timer together provide the robustness required for factory-floor EMC immunity.
Được đề xuất
Battery Charger Controller (Lead-Acid / NiMH)
For low-to-mid-power battery chargers, the PIC16LC715-04I/SS delivers enough compute to run CC-CV charge profiles, periodic equalization cycles, and temperature-foldback safety logic. Its 2.5-5.5 V supply range lets it run directly from a 2xAA stack or 3.3 V regulator, while Timer1 (16-bit) provides accurate long-duration charge-time measurement. The OTP memory locks the firmware at production, preventing field tampering with safety thresholds - a key advantage in consumer battery packs where regulatory compliance is mandatory.
Được đề xuất
Small Appliance Control (Coffee Makers, Irons, Toasters)
White-goods appliance controllers benefit from the PIC16LC715-04I/SS combination of low cost, 13 digital I/O for keypad and relay drive, and 4 A/D channels for temperature and current sensing. The 8-bit core runs simple PID loops for temperature regulation in irons and coffee makers, while the Watchdog Timer and Power-on Reset give fault recovery after brown-out events on noisy mains-derived rails. SSOP surface-mount packaging supports automated pick-and-place assembly in high-volume appliance manufacturing.
Được đề xuất
Consumer User Interface (Buttons + LCD/LED)
When a design needs to scan a 4x4 matrix keypad and drive a character LCD, the PIC16LC715-04I/SS provides 13 I/O - enough to bit-bang the keypad with shared scan/return pins and run a 4-bit HD44780 LCD interface. The 200 ns instruction cycle at 4 MHz supports debounce loops, character generation, and simple menu state machines in firmware without timing concerns. Industrial -40 to +85 C operation makes it a fit for outdoor consumer devices such as garden timers or garage-door keypads.
Được đề xuất
Automotive Accessory (Non-Safety, Body Electronics)
Indoor automotive body-electronics modules such as seat-heater controllers, mirror adjusters, and interior LED dimmers fit the PIC16LC715-04I/SS capability profile. Its 4 A/D channels read rheostat positions and temperature sensors, while 13 I/O drive MOSFET gates for PWM dimming via Timer2. For safety-relevant ECUs (airbag, ABS, powertrain) this part is NOT appropriate - those require AEC-Q100 qualified MCUs such as the dsPIC33CK or PIC18F family with CAN/LIN interfaces and extended temperature range.
Được đề xuất
Hobby / Maker Projects (RC Servo, Model Railroad)
Hobby applications benefit from the PIC16LC715-04I/SS predictable 200 ns instruction timing for generating RC-servo PWM pulses, model-railroad DCC decoders, or robotics sensor hubs. The 4 MHz oscillator is fast for servo update rates (50 Hz frame, 1-2 ms pulse width), while the Watchdog Timer recovers the controller from motor-induced EMI glitches. The SSOP package fits tight robot-chassis spaces, and the industrial -40 to +85 C rating tolerates outdoor and automotive-hobby environments.
Được đề xuất
HVAC Thermostat (Low-End Residential)
Low-end residential thermostats benefit from the PIC16LC715-04I/SS 4-channel A/D reading room temperature, setpoint dial, humidity sensor, and supply-rail monitor. The 8-bit core implements hysteresis control and weekly schedule storage in 128-byte RAM (or OTP for fixed-schedule models), while 13 I/O drive the HVAC relay cluster, LCD, and keypad backlight. Operating from 2xAA or 24 VAC adapter via rectifier, the part supports battery-backed RTC-free scheduling through simple time-base counters.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC16LC715-04I/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 | PIC16LC715T-04I/SS | PIC16F716-I/SS | PIC16C715-04I/SS | PIC16LC715-04I/P | PIC16LC711-04I/SO |
|---|---|---|---|---|---|---|
| Package | 20-SSOP | 20-SSOP (same) | 20-SSOP (same) | 20-SSOP (same) | PDIP-20 (different footprint) | 20-SOIC (different footprint) |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory Type | OTP (3.5 KB / 2K x 14) | OTP (3.5 KB) | Flash (3.5 KB) | OTP (3.5 KB) | OTP (3.5 KB) | OTP (1.75 KB) |
| Max CPU Frequency | 4 MHz | 4 MHz | 20 MHz | 4 MHz | 4 MHz | 4 MHz |
| Instruction Cycle | 200 ns | 200 ns | 200 ns (at 20 MHz, -20 grade) | 200 ns | 200 ns | 200 ns |
| Data RAM | 128 bytes | 128 bytes | 128 bytes | 128 bytes | 128 bytes | 68 bytes |
| ADC Channels | 4 x 8-bit | 4 x 8-bit | 4 x 8-bit | 4 x 8-bit | 4 x 8-bit | 4 x 8-bit |
| I/O Pins | 13 | 13 | 13 | 13 | 13 | 13 |
| Supply Voltage | 2.5 V to 5.5 V | 2.5 V to 5.5 V | 2.0 V to 5.5 V | 3.0 V to 5.5 V | 2.5 V to 5.5 V | 2.5 V to 5.5 V |
| Temperature Grade | Industrial (-40C to +85C) | Industrial (-40C to +85C) | Industrial (-40C to +85C) | Industrial (-40C to +85C) | Industrial (-40C to +85C) | Industrial (-40C to +85C) |
Bảo phân biệt quan trọng
- Lowest-cost OTP mid-range MCU in 20-SSOP (vsPIC16F716-I/SS)
- Flash-based sibling enables iterative development (vsPIC16LC715-04I/SS (this part))
- Same pinout across OTP, Flash, and voltage variants (vsPIC16C715-04I/SS (PIC16C standard process))
Ghi chú thiết kế
The PIC16LC715-04I/SS supply range is 2.5-5.5 V, but Brown-out Reset thresholds are programmable (2.5 V, 3.0 V, 3.5 V, 4.0 V) - select the BOR voltage just below the lowest expected VDD to avoid spurious resets during line transients. Place a 100 nF ceramic decoupling capacitor within 5 mm of VDD (pin 14) and a 10 uF bulk capacitor at the regulator output; PIC mid-range cores draw short current spikes during Flash/OTP programming bursts that cause VDD droop without sufficient local bypassing.
OTP memory can be programmed ONCE. Verify the firmware image with a windowed/Flash-equivalent PIC16F716 before committing to the OTP mask, because Microchip OTP parts cannot be erased or re-programmed in-circuit. MCLR (pin 20) must be pulled high through a 10 kohm resistor for normal operation; a low-asserted reset will hold the part in reset. Programming mode is entered by raising VPP to ~13 V on MCLR - never let production firmware accidentally drive MCLR as GPIO.
For the 20-SSOP package, keep all traces to MCLR, OSC1, and OSC2 short and surround the crystal with a guard ring tied to VSS to reduce EMI coupling into the oscillator. Place the crystal within 5 mm of OSC1/OSC2 (pins 15-16) and use a 20-30 pF load capacitor on each side matched to the crystal load capacitance. Avoid routing high-speed switching signals (relay drivers, PWM outputs) directly beneath the oscillator area on adjacent PCB layers.
The 4-channel 8-bit A/D converter shares analog and digital functions on port A; configure AN0-AN3 as analog inputs and RA4/RA5 as digital I/O to avoid digital switching noise coupling into the A/D result. Add a 1 kohm-10 kohm source impedance on each analog input and place a 100 nF capacitor from each analog input to VSS to form an RC anti-alias filter. Acquire the A/D in sleep mode (internal RC) to minimize digital switching noise during the 10-30 us conversion window.
Thông tin tuân thủ
RoHS and lead-free per Microchip product documentation; not AEC-Q100 qualified (consumer/industrial use only); for automotive applications use dsPIC33CK or PIC18F K-series AEC-Q100 parts.
