PIC16F874T-10E/PT - 7KB Flash 8-bit MCU, 10MHz, TQFP-44 | Microchip
부품 번호: PIC16F874T-10E/PT ✓ 활성| 수량 | 단가 | 합계 |
|---|---|---|
| 1 | $9.45 | $9.45 |
| 10 | $8.5 | $85.00 |
| 100 | $7.55 | $755.00 |
| 500 | $6.95 | $3,475.00 |
| 1,000 | $6.4 | $6,400.00 |
PIC16F874T-10E/PT 개요
What is a PIC16F-series microcontroller? The PIC16F family is Microchip's mid-range 8-bit RISC MCU line, positioned between the baseline PIC10/12/16 architectures and the higher-pin-count PIC18 line. These devices combine a Harvard RISC core with on-chip Flash program memory, EEPROM data memory, and a rich set of peripherals including ADC, USART, MSSP (SPI/I2C), and capture/compare/PWM modules, making them a foundational element of countless embedded control systems and a parent category of broader 8-bit microcontrollers and ultimately semiconductor devices.
Key features of the PIC16F874T-10E/PT include nanoWatt Technology for power-managed sleep modes, an integrated 10-bit ADC, a hardware USART for asynchronous serial communication, an MSSP peripheral supporting both SPI and I2C, and a programmable Brown-out Reset (BOR) and Watchdog Timer (WDT) for field reliability. The "Enhanced Flash" die supports In-Circuit Serial Programming (ICSP) and In-Circuit Debug (ICD) directly through two pins, allowing firmware updates without removing the part from the board.
Architecturally, the PIC16F874 uses a 14-bit instruction word with an 8-bit data path, separated program and data buses (Harvard), and a hardware multiplier-free ALU tuned for deterministic interrupt latency. The 10 MHz oscillator drives a four-phase internal clock that yields the 200 ns instruction cycle advertised on the datasheet. Peripherals are mapped into a linear SFR bank, which simplifies the C and assembly tooling chain that MPLAB IDE and the XC8 compiler support.
Typical applications include industrial sensor interfaces, HVAC controllers, low-end motor control, battery chargers, and consumer appliance front panels. The 33 I/O count makes it suitable as a main system controller on small control boards where a 44-pin TQFP footprint is acceptable, while still leaving headroom for keypad scans and indicator LEDs.
When designing with this device, note that Microchip recommends the newer PIC16F884 as a pin-compatible successor. The "E" temperature grade extends operating range to -40C to +125C, but watch the maximum throughput derating at the upper end of the supply range. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes beyond what is on the manufacturer datasheet.
드롭인 대체품: PIC16F874T-10E/PT — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
이 시리즈의 변형
다음과 드롭인 호환되는 동일 시리즈 모델: PIC16F874T-10E/PT (동일 폼 팩터 및 풋프린트) — 차이점: Package, Timers, ADC, CCP Modules, Core Architecture.
빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:
PIC16F874-10E/PT
✅ 드롭인✓ 재고 있음
$6.55 / 개
데이터시트 보기 →PIC16F874AT-I/PT
✅ 드롭인✓ 재고 있음
$6.95 / 개
데이터시트 보기 →PIC16F874T-04I/PT
✅ 드롭인✓ 재고 있음
$6.62 / 개
데이터시트 보기 →PIC16F874T-10E/PQ
✅ 드롭인 ⚠️ 사양 미검증✓ 재고 있음
$9.95 / 개
데이터시트 보기 →PIC16F884-I/PT
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
PIC16F874T-10E/PT 최대 정격 & 전기적 특성
| Product Family | PIC16F8xx |
| Core Architecture | 8-bit RISC (Harvard, 14-bit instruction word) |
| Program Memory (Flash) | 7 KB |
| Data RAM | 192 bytes |
| 최대 클록 주파수 | 10 MHz (200 ns instruction cycle) |
| Supply Voltage (Vdd) | 4.0 V to 5.5 V |
| I/O Pins | 33 |
| 패키지 | 44-pin TQFP (PT) |
| 실장 유형 | Surface Mount |
| Operating Temperature Grade | Enhanced ("E"), -40C to +125C |
| ADC | 10-bit, multiple channels |
| Communication Peripherals | USART (SCI), MSSP (SPI/I2C) |
| Timers | Timer0, Timer1, Timer2 |
| CCP Modules | Capture/Compare/PWM |
| Watchdog Timer | Yes (WDT) |
| Brown-out Reset | Yes (programmable BOR) |
| In-Circuit Programming | ICSP, ICD-2 |
| Power-Saving Mode | nanoWatt Technology |
| Lead-Free / RoHS | Yes (per PT suffix) |
PIC16F874T-10E/PT 44-pin tqfp (pt) 핀 구성 가이드
PIC16F874T-10E/PT(44-pin tqfp (pt) 패키지)의 핀 구성입니다. 이 디지털 IC에는 GPIO, 통신 인터페이스(UART, SPI, I2C), 전원 핀이 포함되어 있습니다. 대체 핀 기능과 구성 옵션은 제조사 데이터시트를 참조하십시오. 임베디드 시스템 설계와 PCB 레이아웃에 필수적입니다.
다음에 대한 상세 핀아웃 데이터 없음: PIC16F874T-10E/PT.
다음을 참조하십시오: 데이터시트 전체 핀 구성은 다음을 참조하십시오.
일반적인 애플리케이션
PIC16F874T-10E/PT 적합 용도: 6 애플리케이션s: Industrial Sensor Interface Board, HVAC Control Panel, Battery Charger Controller, Small Motor Control Board, Consumer Appliance Front Panel, Security Alarm Panel.
Industrial Sensor Interface Board
The PIC16F874T-10E/PT fits industrial sensor interface boards because its 33 I/O lines support multiple digital sensors, the 10-bit ADC handles analog transducers, and the Enhanced -40C to +125C grade tolerates factory-floor temperatures. With 7 KB of Flash and 192 bytes of RAM, the part can host a Modbus RTU slave stack over USART plus an MSSP-based I2C sensor frontend. The BOR and Watchdog features are essential for industrial field reliability where brown-outs and ESD events are routine. The 44-pin TQFP footprint also makes the board easy to assemble on standard SMT lines. Trade-off vs the PIC16F884 successor is reduced Flash headroom; if firmware exceeds 7 KB, migrate to PIC16F884-I/PT.
추천
HVAC Control Panel
For HVAC control panels the PIC16F874T-10E/PT provides 33 I/O for keypad scanning, triac drive lines, status LEDs, and a temperature/humidity sensor interface on the 10-bit ADC. The 10 MHz instruction cycle is fast enough to multiplex multiple 7-segment displays while maintaining a 1 ms control-loop tick for damper and compressor control. nanoWatt Technology reduces sleep current to under 1 uA, extending battery life in thermostat battery-backup modes. The USART supports Modbus RTU communication with the indoor unit's main controller. The Enhanced -40C to +125C grade handles the elevated temperatures inside equipment closets.
추천
Battery Charger Controller
The PIC16F874T-10E/PT is a good fit for low- to mid-power battery charger controllers. Its 10-bit ADC can sample charge current via a sense resistor and battery voltage at the charger terminals, while the 33 I/O lines provide MOSFET gate drive, status indication, and a fault-output pin. The 4.0-5.5 V supply range allows direct connection to a 5 V USB or 6 V lead-acid rail. Sleep mode current below 1 uA is critical when the charger is plugged in but the battery is disconnected. The Watchdog Timer protects against firmware lock-up if a battery fault creates a noisy Vdd rail.
추천
Small Motor Control Board
Stepper and small DC motor control boards benefit from the PIC16F874T-10E/PT's three CCP modules, which can generate PWM and motor-position capture without CPU intervention. The 33 I/O provide step/direction lines plus H-bridge enable signals; the 10-bit ADC reads back current sense and tachometer signals. The 10 MHz instruction cycle allows time-deterministic commutation for sensorless trapezoidal BLDC drives. The Enhanced temperature grade keeps the part within spec inside motor housings that can reach 100C. A trade-off vs a dedicated dsPIC is the absence of hardware motor-control PWMs; for sinusoidal BLDC use a dsPIC33 or PIC18 with enhanced PWM.
추천
Consumer Appliance Front Panel
Consumer appliance front panels - washing machines, dishwashers, microwave ovens - use the PIC16F874T-10E/PT for the user interface and timing controller. The 33 I/O drive 7-segment displays, capacitive touch buttons through an MSSP-based sensor IC, and indicator LEDs. The 7 KB Flash holds a small RTOS or state-machine scheduler, and the 192-byte RAM is sufficient for short sensor queues. The Watchdog Timer plus Brown-out Reset protect against brown-outs in the appliance's motor circuits. The 44-pin TQFP fits within the small PCB area behind the front-panel fascia.
추천
Security Alarm Panel
The PIC16F874T-10E/PT handles wired security alarm panels by scanning PIR sensors, door/window contacts, and keypad zones on its 33 I/O lines, with the 10-bit ADC reading battery voltage and a zone loop current. The USART reports events to a GSM or central-station modem, while the MSSP in I2C mode connects to a real-time clock or EEPROM logger. The Watchdog Timer ensures the alarm recovers from EMI-induced firmware lock-ups. Sleep mode current under 1 uA preserves backup-battery runtime when AC power fails. Trade-off is the lack of crypto accelerators; signed event logging requires an external secure element.
추천
추천 제품 요약
엔지니어링 참조 데이터: PIC16F874T-10E/PT — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 | PIC16F874-10E/PT | PIC16F874AT-I/PT | PIC16F874T-04I/PT | PIC16F874T-10E/PQ | PIC16F884-I/PT |
|---|---|---|---|---|---|---|
| Package | 44-pin TQFP (PT) | 44-pin TQFP (PT) - same | 44-pin TQFP (PT) - same | 44-pin TQFP (PT) - same | 44-pin TQFP (PT) - same | 44-pin TQFP (PT) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Maximum Clock Frequency | 10 MHz | 10 MHz | 20 MHz | 4 MHz | 10 MHz | 20 MHz |
| Program Flash | 7 KB | 7 KB | 7 KB | 7 KB | 7 KB | 14 KB |
| Data RAM | 192 bytes | 192 bytes | 192 bytes | 192 bytes | 192 bytes | 368 bytes |
| I/O Pins | 33 | 33 | 33 | 33 | 33 | 33 |
| Operating Temperature Grade | Enhanced -40C to +125C | Enhanced -40C to +125C | Industrial -40C to +85C | Industrial -40C to +85C | Enhanced -40C to +125C | Industrial -40C to +85C |
| Supply Voltage | 4.0 V to 5.5 V | 4.0 V to 5.5 V | 2.0 V to 5.5 V | 2.0 V to 5.5 V | 4.0 V to 5.5 V | 2.0 V to 5.5 V |
주요 차별점
- Higher Enhanced temperature ceiling than the AT suffix variants (vs PIC16F874AT-I/PT)
- Pin-compatible upgrade to PIC16F884 doubles Flash without PCB rework (vs PIC16F884-I/PT)
- Faster speed grade than the -04 industrial variant (vs PIC16F874T-04I/PT)
설계 노트
Estimated: at 10 MHz active with Vdd = 5.0 V, typical Idd for PIC16F874 family is on the order of 5-10 mA. Add a 100 nF decoupling capacitor as close as possible to Vdd/AVdd pins and a bulk 10 uF on the supply rail. For noise-sensitive analog designs, route AVdd/AVss as a separate filtered rail to reduce ADC switching-noise coupling. Enable the programmable Brown-out Reset at 4.0 V or above to avoid Flash corruption during slow Vdd ramp-up at cold start.
For 44-pin TQFP (7x7 mm body), follow Microchip's recommended land pattern with at least 0.25 mm pad extension beyond the package outline. Keep the ICSP-CLK (RB6) and ICSP-DAT (RB7) traces short - these pins also serve as in-circuit debug and are sensitive to long-trace capacitance which can prevent reliable ICD-2/3 connection. Route the oscillator traces (OSC1/OSC2) short and away from high-current switching nodes. Reserve 0.1 uF caps adjacent to Vdd/Vss pin pairs even if some pairs are routed to the internal analog block.
Do not assume any PIC16F874-grade MCU will work below 4.0 V at 10 MHz - the -10 speed grade spec requires 4.0-5.5 V, and a 3.3 V supply will produce clock-frequency errors and potential ADC offset shift. Always validate the configuration bits (CONFIG1/CONFIG2) for oscillator source, BOR voltage, WDT enable, and code protection before programming - default ICSP configuration can leave the WDT enabled and cause unwanted resets in real-time applications.
규정 준수 정보
RoHS compliance per PT package suffix (lead-free TQFP). Halogen-free status not explicitly stated in retrieved web snippets - consult Microchip material declaration document. AEC-Q100 not qualified - this is a general-purpose industrial MCU. Reach and conflict-mineral compliance is declared on Microchip's corporate product compliance page.