PIC16F874A-I/PT

The PIC16F874A-I/PT is an 8‑bit Microchip PIC microcontroller in a 40‑pin DIP package. The “I” indicates industrial temperature range and “PT” denotes Plastic DIP packaging. It’s a general‑purpose MCU intended for embedded control and data‑acquisition tasks.
Key points:
- Core & memory: 8‑bit CPU with Flash program memory, RAM, and EEPROM for data storage.
- Peripherals: 10‑bit ADC with multiple input channels; several timers; capture/compare/PWM; and serial interfaces (USART and MSSP for SPI/I2C).
- I/O: Multiple configurable I/O pins for digital I/O and analog functions.
- Power & clock: Typical operation from ≈2.0 to 5.5 V; oscillator up to tens of MHz (instruction cycle depends on clock).
- Benefits: Rich peripheral set in a low‑cost, breadboard‑friendly package, supported by Microchip tools.
- Development: Use MPLAB X IDE with XC8 compiler; program with PICkit/ICD and related debuggers.
Applications: general purpose controllers, data‑acquisition, sensors, motor control, and embedded automation projects. For details, see the PIC16F874A data sheet.

Concise features of PIC16F874A-I/PT:
- 8-bit PIC microcontroller, Harvard architecture, 40-pin Plastic DIP (industrial temp: -40°C to +85°C)
- Program memory: 8K x 14-bit Flash
- Data RAM: 368 bytes
- Data EEPROM: 256 bytes
- I/O: PORTA, PORTB, PORTC (3 I/O ports) for versatile digital I/O
- Analog: 8-channel, 10-bit ADC with multiple input channels
- Timers: Timer0 (8-bit), Timer1 (16-bit), Timer2 (8-bit with prescaler)
- CCP: Capture/Compare/PWM module for precise timing control
- Serial interfaces: MSSP (I2C/SPI); no dedicated UART in this device
- Peripherals: Power-on reset, Brown-out reset, Watchdog Timer
- Clock: up to 20 MHz oscillator; supports various external clock configurations
- ICSP: In-Circuit Serial Programming support for easy programming
Notes:
- Flash program memory is erasable/programmable; data EEPROM is non-volatile.
- Suitable for general-purpose control, sensor interfacing, and embedded tasks.

PIC16F874A-I/PT uses a Plastic DIP (PDIP) 40-pin package and is supplied in Tape & Reel; Industrial temperature range.

- Pin count: 40 pins (e.g., DIP-40, SOIC-40 variants).
- Function: 8-bit Microchip PIC microcontroller (PIC16F874A) with on-chip flash program memory, RAM/EEPROM, ADC, timers, and multiple I/O and serial interfaces for embedded control tasks.

- Manufacturer: Microchip Technology Inc.
- Company type: An American multinational semiconductor company that designs and manufactures microcontrollers (including PIC), analog and memory products for embedded systems.

Key application areas include: small embedded control and data-acquisition systems; motor control (PWM/CCP) and sensor interfacing; instrumentation and test equipment; alarm/security and home automation; consumer electronics and appliance controllers; automotive instrumentation and diagnostics; digital displays and handheld instruments; educational prototyping and hobby projects.