PIC16LF876AT-I/SO - 8-bit 10MHz 14KB Flash MCU 28-SOIC | Microchip
MPN: PIC16LF876AT-I/SO ✓ فعالPIC16LF876AT-I/SO جائزہ
A PIC microcontroller (MCU) is a self-contained single-chip computer built around a CPU, program memory, data memory, and on-chip peripherals. The PIC16 family uses Microchip's enhanced mid-range 14-bit instruction set, which provides only 35 single-word instructions yet delivers 200 ns instruction execution time at 20 MHz. Within the broader taxonomy, the PIC16F876A belongs to the 8-bit microcontroller class -> RISC microcontroller -> embedded microcontroller -> integrated circuit. The "LF" prefix indicates a wide-voltage part supporting 2.0V to 5.5V operation, while the "A" suffix marks the silicon revision that adds self-programmability, an ICD debug port, two analog comparators, two Capture/Compare/PWM modules, and a USART/SCI port configurable as 3-wire SPI or I2C.
Key features include five 10-bit ADC channels, two comparators, two CCP modules, one USART, one MSSP (SPI/I2C), 256 bytes of EEPROM, an in-circuit debugger (ICD), Flash self-programming, and wide operating voltage from 2.0V to 5.5V. The instruction set is upward compatible with all PIC16 mid-range parts, so code migrates cleanly to PIC16F873A/874A/877A variants with more memory. The "T" suffix indicates tape-and-reel packaging for high-volume assembly.
Technically, the PIC16LF876A combines Harvard architecture (separate program and data buses) with a powerful 14-bit instruction word that improves code density over 8-bit CISC cores. The 368-byte RAM supports a hardware stack 8 levels deep, and the Flash program memory is rated for 100K erase/write cycles. The peripheral set targets embedded sensing and control: five ADC channels cover most analog sensor interfaces, while the MSSP and USART handle asynchronous serial, SPI, and I2C communication with on-chip EEPROM for parameter storage.
Typical applications include industrial sensor interface boards, battery-powered handheld instruments, automotive body controllers, low-cost HVAC thermostats, and consumer appliance controllers. The wide 2.0V-5.5V range also makes the LF version attractive for 2-cell battery or 3.3V regulated rails. Use the "A" revision whenever self-programming or in-circuit debug is required; use the original PIC16F876 only when migrating legacy firmware that does not need self-programming.
When designing with the PIC16LF876A, ensure MCLR is tied to VDD through a 10kΩ resistor, decoupling caps are placed within 1 cm of VDD/VSS, and the ICSP/ICD pins are reserved for programming header access. The 28-SOIC wide-body package (0.295 inch, 7.50 mm) eases hand-soldering and rework compared to SSOP/QFN packages. This page synthesizes drop-in alternatives, lifecycle signals, and design notes not found in the manufacturer datasheet.
کے لیے ڈراپ اِن متبادل PIC16LF876AT-I/SO — یکساں پیکیج، پن سے پن مطابقت پذیر۔ مختلف پیکیج والے پرزے جن کے لیے PCB دوبارہ کام درکار ہو، شامل نہیں ہیں۔
اس سیریز میں مختلف ورژن
اسی سیریز کے ماڈلز جو ڈراپ اِن مطابقت رکھتے ہیں PIC16LF876AT-I/SO (یکساں فارم فیکٹر اور فٹ پرنٹ) — میں مختلف Package, ADC, Core Architecture, Instruction Execution Time, Communication Peripherals.
PIC16LF876A-I/SO
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
PIC16F876A-I/SO
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
PIC16F873AT-I/SO
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16F876-04I/SO
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16LF873AT-I/SO
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16F872-I/SO
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
PIC16LF876AT-I/SO زیادہ سے زیادہ ریٹنگز اور برقی خصوصیات
| Core Architecture | PIC16 mid-range 8-bit RISC (14-bit instruction word) |
| Program Memory Type | Flash |
| Program Memory Size | 14 KB (8K x 14 words) |
| RAM | 368 bytes |
| EEPROM Data Memory | 256 bytes |
| Maximum CPU Frequency | 10 MHz |
| Instruction Execution Time | 200 ns at 20 MHz (10 MIPS at 10 MHz input) |
| Supply Voltage Range | 2.0 V to 5.5 V |
| I/O Pins | 22 |
| ADC | 10-bit, 5 channels |
| Comparators | 2 |
| CCP Modules | 2 |
| Serial Interfaces | USART/SCI, MSSP (SPI / I2C) |
| In-Circuit Debug | Yes (ICD) |
| Self-Programming | Yes (Flash) |
| آپریٹنگ درجہ حرارت رینج | -40C to +85C (Industrial "I") |
| پیکیج | 28-SOIC (SO) wide-body, 7.50 mm (0.295 in) |
| ماؤنٹنگ ٹائپ | Surface Mount |
| MSL لیول | 1 |
| RoHS اسٹیٹس | Compliant |
PIC16LF876AT-I/SO پن کنفیگریشن
| پن 1 | MCLR/VPP/RA3 — Master Clear (reset) / programming voltage / PORTA bit 3 |
| پن 2 | RA0/AN0 — PORTA bit 0 / analog input 0 |
| پن 3 | RA1/AN1 — PORTA bit 1 / analog input 1 |
| پن 4 | RA2/AN2/VREF- — PORTA bit 2 / analog input 2 / ADC VREF- |
| پن 5 | RA3/AN3/VREF+ — PORTA bit 3 / analog input 3 / ADC VREF+ |
| پن 6 | RA4/T0CKI — PORTA bit 4 / Timer0 clock input (open-drain) |
| پن 7 | RA5/AN4/SS — PORTA bit 5 / analog input 4 / SPI slave select |
| پن 8 | OSC2/CLKOUT — Oscillator output / clock out |
| پن 9 | OSC1/CLKIN — Oscillator input / external clock in |
| پن 10 | RC0/T1OSO/T1CKI — PORTC bit 0 / Timer1 oscillator output / Timer1 clock |
| پن 11 | RC1/T1OSI/CCP2 — PORTC bit 1 / Timer1 oscillator input / CCP2 |
| پن 12 | RC2/CCP1 — PORTC bit 2 / CCP1 (PWM/capture/compare) |
| پن 13 | RC3/SCK/SCL — PORTC bit 3 / MSSP SPI clock / I2C clock |
| پن 14 | RC4/SDI/SDA — PORTC bit 4 / MSSP SPI data in / I2C data |
| پن 15 | RC5/SDO — PORTC bit 5 / MSSP SPI data out |
| پن 16 | RC6/TX/CK — PORTC bit 6 / USART TX / clock |
| پن 17 | RC7/RX/DT — PORTC bit 7 / USART RX / data |
| پن 18 | VSS — Ground |
| پن 19 | VDD — Positive supply (2.0V to 5.5V) |
| پن 20 | RB0/INT — PORTB bit 0 / external interrupt |
| پن 21 | RB1 — PORTB bit 1 |
| پن 22 | RB2 — PORTB bit 2 |
| پن 23 | RB3/PGM — PORTB bit 3 / low-voltage programming |
| پن 24 | RB4 — PORTB bit 4 |
| پن 25 | RB5 — PORTB bit 5 |
| پن 26 | RB6/PGC — PORTB bit 6 / ICD clock |
| پن 27 | RB7/PGD — PORTB bit 7 / ICD data |
| پن 28 | VSS — Ground (alternate pin) |
عام استعمالات
PIC16LF876AT-I/SO کے لیے موزوں ہے 6 ایپلیکیشنs: Industrial Sensor Interface Board, Battery-Powered Handheld Instrument, HVAC Thermostat Controller, Automotive Body Control Module, Consumer Appliance Controller, Data Acquisition Front End.
Industrial Sensor Interface Board
PIC16LF876AT-I/SO suits industrial sensor hubs because its 5-channel 10-bit ADC handles up to five analog sensors simultaneously while the wide-voltage 2.0V-5.5V range accommodates 24V-bus-derived rails after a small LDO. The 22 digital I/O pins drive status LEDs, relay coils, and keypad matrices; the MSSP port provides I2C bus connectivity to digital temperature sensors and EEPROMs.
تجویز کردہ
Battery-Powered Handheld Instrument
PIC16LF876AT-I/SO targets battery-powered instruments because its LF wide-voltage design operates directly from two alkaline cells (2.0V-3.2V) without a boost converter. The 256-byte EEPROM stores calibration constants across battery swaps; Flash self-programming supports field firmware updates via a 3-wire ICD interface. Sleep current in the low-microamp range (per PIC16F876A datasheet) extends handheld runtime.
تجویز کردہ
HVAC Thermostat Controller
PIC16LF876AT-I/SO drives low-cost HVAC thermostats because the two CCP modules generate PWM outputs for triểm-fired heater control, while the 5-channel ADC reads thermistor temperature, humidity sensor, setpoint potentiometer, and supply voltage. The USART connects to a Wi-Fi or Modbus module for smart-thermostat networking, and the 256-byte EEPROM stores setpoint schedules through power cycles.
تجویز کردہ
Automotive Body Control Module
PIC16LF876AT-I/SO fits automotive body controllers (non-safety) such as mirror adjusters, lighting drivers, and accessory multiplexers because the LF wide-voltage range handles 12V automotive rails (8V-16V transients) after a 5V regulator, and the 22 I/O pins drive multiple relays via MOSFET pre-drivers. The MSSP and USART provide LIN/CAN-ready serial connectivity for body-electronics networks.
تجویز کردہ
Consumer Appliance Controller
PIC16LF876AT-I/SO drives consumer appliance controllers such as microwave keypads, washing-machine displays, and coffee machines because the 5-channel ADC reads analog sensors (water level, weight, temperature), the two CCP modules generate PWM for motor speed or heater triac phase-control, and the USART interfaces with a 7-segment display driver. The 14 KB Flash fits full-appliance control firmware with diagnostics.
تجویز کردہ
Data Acquisition Front End
PIC16LF876AT-I/SO provides a compact 5-channel 10-bit data acquisition front end because the 22 I/O pins route multiplexer control signals while the MSSP port streams converted samples to a host via SPI at 10 MHz. The 256-byte EEPROM stores calibration coefficients, and Flash self-programming supports remote firmware updates for field-deployed sensor pods.
تجویز کردہ
تجویز کردہ پروڈکٹس کا خلاصہ
کے لیے انجینئرنگ ریفرنس ڈیٹا PIC16LF876AT-I/SO — موازنہ، ڈیزائن رہنمائی، اور تعمیل کی معلومات۔
انتخاب کی گائیڈ
متبادلات کے ساتھ موازنہ
| پیرامیٹر | یہ پروڈکٹ | PIC16LF876A-I/SO | PIC16F876A-I/SO | PIC16F873AT-I/SO | PIC16F876-04I/SO | PIC16LF873AT-I/SO | PIC16F872-I/SO |
|---|---|---|---|---|---|---|---|
| Package | 28-SOIC (SO) | 28-SOIC (SO) - same | 28-SOIC (SO) - same | 28-SOIC (SO) - same | 28-SOIC (SO) - same | 28-SOIC (SO) - same | 28-SOIC (SO) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Program Memory | 14 KB | 14 KB | 14 KB | 7 KB | 14 KB | 7 KB | 7 KB |
| RAM | 368 bytes | 368 bytes | 368 bytes | 192 bytes | 368 bytes | 192 bytes | 128 bytes |
| EEPROM | 256 bytes | 256 bytes | 256 bytes | none | 256 bytes | none | none |
| Maximum Clock | 10 MHz (20 MHz on F-version) | 10 MHz | 20 MHz | 20 MHz | 4 MHz | 10 MHz | 20 MHz |
| Supply Voltage Range | 2.0V to 5.5V | 2.0V to 5.5V | 4.0V to 5.5V | 4.0V to 5.5V | 2.0V to 5.5V | 2.0V to 5.5V | 2.0V to 5.5V |
| ADC Channels / Resolution | 5 x 10-bit | 5 x 10-bit | 5 x 10-bit | 5 x 10-bit | 5 x 10-bit | 5 x 10-bit | 5 x 8-bit |
| Self-Programming | Yes | Yes | Yes | Yes | No | Yes | Yes |
اہم امتیازی خصوصیات
- Wide-voltage 2.0V-5.5V operation versus standard 4.0V-5.5V on PIC16F876A-I/SO (بمقابلہPIC16F876A-I/SO)
- On-chip 256-byte EEPROM versus none on PIC16F873AT-I/SO (بمقابلہPIC16F873AT-I/SO)
- Modern silicon revision with self-programming versus no self-programming on PIC16F876-04I/SO (بمقابلہPIC16F876-04I/SO)
ڈیزائن نوٹس
PIC16LF876AT-I/SO operates from 2.0V to 5.5V, but the brown-out reset (BOR) and ADC accuracy degrade at the low end. Place a 100 nF decoupling cap within 5 mm of VDD pin 20 and VSS pin 19, plus a 10 uF bulk cap on the rail. For 3.3V-only systems, an MCP1700 LDO avoids boost-converter losses.
Route the ICSP/ICD pins (RB6/PGC = pin 26, RB7/PGD = pin 27, MCLR/VPP = pin 1) to a programming header without series resistors greater than 4.7 kohm. Keep the 28-SOIC wide-body package exposed thermal pad area on the bottom layer free of vias under the part - the SO package has no thermal pad, so simple single-side copper pour is sufficient.
MCLR (pin 1) must never float - tie to VDD through a 10 kohm resistor, with the ICSP VPP path using a diode or direct connection to the programmer. Do not exceed 13.5V on MCLR/VPP; use the Microchip ICD tool's regulated VPP. Crystal-mode oscillator configuration on pins 9/10 requires HS mode in CONFIG for >4 MHz crystals; default XT works only up to 4 MHz.
When using the 5-channel 10-bit ADC, set all unused ANx pins to digital I/O and tie them to defined logic levels to avoid floating-input ADC noise. Acquire samples with at least 1.2 uS acquisition time at 10 MHz and use the internal RC ADC clock derived from Fosc/16 or Fosc/32 for stable conversions.
تعمیل کی معلومات
RoHS and REACH compliant per Microchip product page. Not AEC-Q100 qualified - choose automotive-grade PIC16F876A-I/SOVAO or PIC18F equivalents for AEC-Q100 automotive designs.
