PIC16LF876T-04/SO - 8-bit MCU, 14KB Flash, 4MHz, SOIC-28 | Microchip
Артикул: PIC16LF876T-04/SO ✓ Активен| Кол-во | Цена за ед. | Итого |
|---|---|---|
| 1 | $3.14 | $3,14 |
| 10 | $3.04 | $30,40 |
| 100 | $2.85 | $285,00 |
| 500 | $2.62 | $1.310,00 |
| 1.000 | $2.41 | $2.410,00 |
PIC16LF876T-04/SO Обзор
A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory (Flash, RAM, EEPROM), and programmable I/O peripherals. Within the broader taxonomy, the PIC16LF876 belongs to the 8-bit microcontroller family -> RISC microcontroller class -> CMOS FLASH-based MCU -> embedded controller. It is upwards compatible with the PIC16C5X, PIC12CXXX, and PIC16C7X device families, simplifying legacy code migration. The "LF" suffix denotes the low-voltage (F-series) process variant optimized for 2.0V-5.5V operation.
Key features include 22 digital I/O pins, 5 channels of 10-bit ADC, two 8-bit and one 16-bit timer/counter, a USART for asynchronous serial communication, an MSSP module supporting SPI and I2C (master/slave), and a 5-channel PWM. The CMOS FLASH-based architecture enables in-circuit serial programming (ICSP) and 100,000 erase/write cycle endurance on program memory. The wide-bandgap CMOS process yields typical active current of approximately 2 mA at 4 MHz, 5V, with standby currents below 1 uA.
The PIC16LF876 employs a Harvard architecture with separate program and data buses plus a 14-bit wide instruction word, allowing most instructions to execute in a single cycle. This RISC instruction set comprises only 35 single-word instructions, accelerating firmware development and code density relative to CISC MCUs.
Typical applications include industrial control panels, sensor signal conditioning, low-power remote sensor nodes, HVAC thermostat controllers, automotive body electronics (non-safety), and consumer appliance control. The 28-pin SOIC footprint simplifies hand prototyping and rework, while the in-circuit debug capability accelerates firmware iteration cycles.
When designing with this device, ensure the ICSP programming pins (RB6, RB7) are accessible on the PCB for field updates. The configuration bits (fuses) must be set correctly to enable the internal oscillator or external crystal mode; an unset config word leaves the device in an undefined clock state that can prevent normal operation.
This page synthesizes distributor pricing, drop-in SOIC-28 alternatives, and design notes from the Microchip PIC16F876/876A datasheet family not found on a single manufacturer page.
Аналоги без доработки для PIC16LF876T-04/SO — тот же корпус, pin-to-pin совместимость. Компоненты в других корпусах, требующие переработки PCB, исключены.
Варианты в этой серии
Модели той же серии, совместимые без доработки с PIC16LF876T-04/SO (тот же форм-фактор и посадочное место) — отличается по Package, Timers, ADC, Core Architecture, Instruction Execution Time.
Инструмент быстрого сравнения — выберите альтернативные компоненты для сравнения бок о бок:
PIC16LF876-04I/SO
✅ Прямая замена✓ В наличии
$7.02 / шт.
Открыть даташит →PIC16LF876-04/SO
✅ Прямая замена✓ В наличии
$4.78 / шт.
Открыть даташит →PIC16LF876AT-I/SO
✅ Прямая замена✓ В наличии
$6.05 / шт.
Открыть даташит →PIC16LF876T-04E/SO
✅ Прямая замена ⚠️ Характеристики не проверены📋 Справочный аналог (нет в каталоге)
PIC16F876-04/SO
✅ Прямая замена ⚠️ Характеристики не проверены📋 Справочный аналог (нет в каталоге)
PIC16F876AT-I/SO
✅ Прямая замена ⚠️ Характеристики не проверены✓ В наличии
$4.3 / шт.
Открыть даташит →PIC16LF873AT-I/SO
✅ Прямая замена✓ В наличии
$2.24 / шт.
Открыть даташит →PIC16LF876T-04/SO Максимальные параметры и электрические характеристики
| Core Architecture | 8-bit PIC RISC (Harvard) |
| Instruction Set Width | 14-bit |
| Program Memory (Flash) | 14 KB (8K x 14 words) |
| Data RAM | 368 bytes |
| Data EEPROM | 256 bytes |
| Maximum CPU Clock | 4 MHz |
| Instruction Execution Time | 200 ns @ 4 MHz |
| Operating Voltage (Vdd) | 2.0 V to 5.5 V |
| Digital I/O Pins | 22 |
| ADC | 10-bit, 5 channels |
| Timers | 2 x 8-bit + 1 x 16-bit |
| PWM Channels | 5 |
| Communication Peripherals | USART, MSSP (SPI / I2C) |
| Корпус | 28-pin SOIC (wide body, 7.50 mm) |
| Рабочая температура | 0C to +70C (commercial) |
| ICSP Programming | Supported (RB6/RB7) |
| Статус RoHS | Compliant |
Конфигурация выводов PIC16LF876T-04/SO
| Контакт 1 | MCLR/Vpp — Master clear (reset) input / ICSP programming voltage |
| Контакт 2 | RA0/AN0 — Digital I/O / ADC input 0 |
| Контакт 3 | RA1/AN1 — Digital I/O / ADC input 1 |
| Контакт 4 | RA2/AN2 — Digital I/O / ADC input 2 / Vref- |
| Контакт 5 | RA3/AN3/Vref+ — Digital I/O / ADC input 3 / Vref+ |
| Контакт 6 | RA4/T0CKI — Digital I/O / Timer0 clock input |
| Контакт 7 | RA5/AN4/SS — Digital I/O / ADC input 4 / SPI slave select |
| Контакт 8 | RE0/RD/AN5 — Digital I/O / Parallel-port read / ADC input 5 |
| Контакт 9 | RE1/WR/AN6 — Digital I/O / Parallel-port write / ADC input 6 |
| Контакт 10 | RE2/CS/AN7 — Digital I/O / Parallel-port chip select / ADC input 7 |
| Контакт 11 | Vdd — Positive supply (2.0V to 5.5V) |
| Контакт 12 | Vss — Ground |
| Контакт 13 | OSC1/CLKI — Oscillator crystal input / external clock input |
| Контакт 14 | OSC2/CLKO — Oscillator crystal output / clock output |
| Контакт 15 | RC0/T1OSO/T1CKI — Digital I/O / Timer1 oscillator output / clock input |
| Контакт 16 | RC1/T1OSI/CCP2 — Digital I/O / Timer1 oscillator input / CCP2 1 |
| Контакт 17 | RC2/CCP1 — Digital I/O / CCP1 PWM output |
| Контакт 18 | RC3/SCK/SCL — Digital I/O / SPI clock / I2C clock |
| Контакт 19 | RC4/SDI/SDA — Digital I/O / SPI data in / I2C data |
| Контакт 20 | RC5/SDO — Digital I/O / SPI data out |
| Контакт 21 | RC6/TX/CK — Digital I/O / USART TX / clock |
| Контакт 22 | RC7/RX/DT — Digital I/O / USART RX / data |
| Контакт 23 | RB0/INT — Digital I/O / external interrupt |
| Контакт 24 | RB1 — Digital I/O |
| Контакт 25 | RB2 — Digital I/O |
| Контакт 26 | RB3/PGM — Digital I/O / ICSP low-voltage programming |
| Контакт 27 | RB4 — Digital I/O |
| Контакт 28 | RB5 — Digital I/O |
Типичное применение
PIC16LF876T-04/SO подходит для 6 применениеs: Industrial Sensor Node Controller, HVAC Thermostat Controller, Automotive Body Electronics, Low-Power Remote Telemetry, Consumer Appliance Control, Educational / Hobby Development Board.
Industrial Sensor Node Controller
The PIC16LF876T-04/SO fits industrial sensor-node designs because its 2.0V-5.5V operating window accommodates 24V->5V or 24V->3.3V LDO rails and its 4 MHz core consumes roughly 2 mA active, extending battery life in remote wireless telemetry. The 5-channel 10-bit ADC handles thermistor, 4-20 mA loop, and 0-10V transducer inputs with no external signal conditioning. The 22 I/O pins drive status LEDs, relay coils, and a UART-linked radio module. ICSP via RB6/RB7 supports field firmware updates on installed units, reducing truck rolls.
Рекомендуется
HVAC Thermostat Controller
In HVAC thermostat designs the PIC16LF876T-04/SO reads thermistor or digital temperature sensors via the 10-bit ADC, drives a triac-fired compressor via PWM, and communicates with the indoor unit over USART. The 4 MHz core executes proportional-integral control loops with sub-millisecond latency, while the 14KB Flash holds the user-interface state machine, scheduler, and fault logger. The 28-SOIC wide-body footprint simplifies assembly on the controller PCB, and the wide 2.0V-5.5V range supports 24VAC->5V rectified rails common in HVAC wiring.
Рекомендуется
Automotive Body Electronics
The PIC16LF876T-04/SO drives body-electronics modules such as interior lighting, mirror control, and seat-position memory where 22 I/O and 5 PWM channels replace multiple discrete drivers. Its USART links to a CAN/LIN transceiver via an external bus controller, while the MSSP module drives an SPI-bus EEPROM for non-volatile seat memory. The 28-SOIC wide-body package withstands automotive wave-solder profiles and simplifies rework. For under-hood applications requiring -40C to +125C, the -04E extended-temp variant is preferred over the commercial -04 grade.
Рекомендуется
Low-Power Remote Telemetry
Remote telemetry units benefit from the PIC16LF876T-04/SO's low-voltage CMOS design - the LF process draws <1 uA in sleep mode, enabling multi-year battery life on 2xAA cells when combined with periodic wake-on-timer interrupts. The 10-bit ADC digitizes battery voltage, sensor signals, and a solar-panel current shunt; the MSSP module drives a 433 MHz or sub-GHz radio over SPI. The 14KB Flash accommodates an over-the-air firmware update routine and protocol stack, while the 368-byte RAM buffers packet data between transmissions.
Рекомендуется
Consumer Appliance Control
Consumer appliances such as washing machines, dishwashers, and small kitchen equipment use the PIC16LF876T-04/SO to coordinate motor drivers, valve solenoids, and user-interface keypads. The 22 I/O directly drive seven-segment displays and LEDs without external latches, while the 5 PWM channels control brushless DC or universal motor speed via gate drivers. The MSSP module reads an external EEPROM for cycle-program storage, and the USART links to a Bluetooth or Wi-Fi module for smart-appliance connectivity. The 28-SOIC package keeps BOM and assembly cost low.
Рекомендуется
Educational / Hobby Development Board
The PIC16LF876T-04/SO is widely used in university microcontroller courses and hobby projects thanks to its straightforward 35-instruction RISC architecture, breadboard-friendly 28-SOIC wide-body package, and free MPLAB X IDE toolchain. Students learn timer/counter operation, ADC sampling, and UART communication on a 4 MHz clock with predictable 200 ns instruction timing. The ICSP header (RB6/RB7) enables a $20 PICKit programmer to flash code without removing the MCU. The 14KB Flash accommodates complete term projects without external memory expansion.
Рекомендуется
Сводка рекомендуемых товаров
Справочные инженерные данные для PIC16LF876T-04/SO — сравнение, рекомендации по проектированию и информация о соответствии.
Руководство по выбору
Сравнение с аналогами
| Параметр | Этот товар | PIC16LF876-04I/SO | PIC16LF876-04/SO | PIC16LF876AT-I/SO | PIC16LF876T-04E/SO |
|---|---|---|---|---|---|
| Package | 28-SOIC (wide body) | 28-SOIC (wide body) - same | 28-SOIC (wide body) - same | 28-SOIC (wide body) - same | 28-SOIC (wide body) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 14 KB | 14 KB | 14 KB | 14 KB | 14 KB |
| RAM | 368 bytes | 368 bytes | 368 bytes | 368 bytes | 368 bytes |
| Operating Voltage | 2.0V to 5.5V | 2.0V to 5.5V | 2.0V to 5.5V | 2.0V to 5.5V | 2.0V to 5.5V |
| Max Clock Frequency | 4 MHz | 4 MHz | 4 MHz | 20 MHz (A silicon revision) | 4 MHz |
| Operating Temperature | 0C to +70C | -40C to +85C | 0C to +70C | -40C to +85C | -40C to +125C |
| Silicon Revision / nanoWatt | Original LF (no nanoWatt) | Original LF (no nanoWatt) | Original LF (no nanoWatt) | A revision with nanoWatt | Original LF extended temp |
| Approx. 1000-pc Price (USD) | 2.41 | 2.55 | 2.32 | 2.85 | 2.95 |
Ключевые отличия
- Wide 2.0V-5.5V operating window versus F-variant (против PIC16F876-04/SO)
- Commercial temperature grade at lowest cost (против PIC16LF876-04I/SO)
- Same SOIC-28 wide-body footprint as A-silicon upgrade (против PIC16LF876AT-I/SO)
- Larger 14KB Flash versus smaller PIC16LF873A family (против PIC16LF873AT-I/SO)
Заметки по проектированию
Estimated: configuring the PIC16LF876T-04/SO for a 4 MHz external crystal requires the HS oscillator mode bit set in the configuration word (CONFIG1H); if the bit is left in the default RC mode, the part will fail to start with a crystal attached. Always verify CONFIG1H and CONFIG1L after programming. For prototypes, an internal 4 MHz RC oscillator mode avoids crystal-startup failures and reduces BOM by two capacitors and the crystal itself. The MCLR pin must be tied to Vdd through a 10 kohm resistor for normal operation; leaving it floating causes intermittent resets.
Place a 100 nF decoupling capacitor within 5 mm of the Vdd pin (pin 11) and another between Vss (pin 12) and ground. Estimated: at 4 MHz switching edges, a 1 cm trace to a decoupling cap can introduce 30-40 mV of ringing - keep the cap lead length under 2 mm. The ICSP connector (RB6/RB7/MCLR/Vss/Vdd) should be brought to a 0.1 inch header for PICKit3 access. The analog Vref+ pin (RA3) must be bypassed with 100 nF when the ADC references Vdd; shared Vref with digital noise can degrade 10-bit ADC SNR by 1-2 LSB.
Estimated: the PIC16LF876T-04/SO draws approximately 2 mA active at 4 MHz / 5V and <1 uA in sleep mode. For battery-powered designs, use the PIC16LF876AT-I/SO 'A' silicon revision instead - it adds nanoWatt technology with deeper sleep states and software-controlled peripheral shutoff, reducing sleep current to roughly 100 nA. The LF process is qualified for 2.0V operation, allowing direct connection to 2xAA alkaline cells (3.0V nominal) without a boost regulator; a small 100 uF bulk cap on Vdd smooths the inrush of ADC conversions and PWM switching.
Estimated: route the analog inputs (RA0-RA5) away from PWM outputs (RC1/RC2) and the switching node of any nearby DC-DC converter. Maintain a ground-return path that does not share segments with high-current digital signals - a star-ground or split-plane approach with a single bridge under the MCU Vss pin is recommended. The OSC1/OSC2 traces should be as short as possible (<10 mm) and surrounded by a guard ring tied to ground to attenuate radiated clock harmonics. Avoid running serial traces under the SOIC-28 package - the lead-frame can capacitively couple noise into adjacent traces.
Информация о соответствии
RoHS and REACH compliant per Microchip product page. The -04 grade is not AEC-Q100 qualified; for automotive body electronics requiring -40C to +125C operation, choose the PIC16LF876T-04E/SO extended-temp variant.
