PIC16F877A

Product Summary

The PIC16F877A is an Enhanced Flash Microcontroller. It is available in 40-pin and 44-pin packages. The PIC16F877A has a 13-bit program counter capable of addressing an 8K word x 14 bit program memory space. The device has 8K words x 14 bits of Flash program memory.

Parametrics

PIC16F877A absolute maximum ratings: (1)Ambient temperature under bias:-55℃ to +125℃; (2)Storage temperature:-65℃ to +150℃; (3)Voltage on any pin with respect to VSS (except VDD, MCLR. and RA4):-0.3V to (VDD + 0.3V); (4)Voltage on VDD with respect to VSS:-0.3V to +7.5V; (5)Voltage on MCLR with respect to VSS:0V to +14V; (6)Voltage on RA4 with respect to Vss:0V to +8.5V; (7)Total power dissipation:1.0W; (8)Maximum current out of VSS pin:300mA; (9)Maximum current into VDD pin:250mA; (10)Input clamp current, IIK (VI < 0 or VI > VDD):± 20mA; (11)Output clamp current, IOK (VO < 0 or VO > VDD):± 20mA; (12)Maximum output current sunk by any I/O pin:25mA; (13)Maximum output current sourced by any I/O pin:25mA; (14)Maximum current sunk by PORTA, PORTB and PORTE (combined):200mA; (15)Maximum current sourced by PORTA, PORTB and PORTE (combined):200mA; (16)Maximum current sunk by PORTC and PORTD (combined):200mA; (17)Maximum current sourced by PORTC and PORTD (combined):200mA.

Features

PIC16F877A features: (1)Two analog comparators; (2)Programmable on-chip voltage reference (VREF) module; (3)Programmable input multiplexing from device inputs and internal voltage reference; (4)Comparator outputs are externally accessible; (5)10-bit, up to 8-channel Analog-to-Digital Converter (A/D) ; (6)Brown-out Reset (BOR); (7)100,000 erase/write cycle Enhanced Flash program memory typical; (8)1,000,000 erase/write cycle Data EEPROM memory typical; (9)Data EEPROM Retention > 40 years; (10)Self-reprogrammable under software control; (11)In-Circuit Serial Programming (ICSP) via two pins; (12)Single-supply 5V In-Circuit Serial Programming; (13)Watchdog Timer (WDT) with its own on-chip RC oscillator for reliable operation; (14)Programmable code protection; (15)Power saving Sleep mode; (16)Selectable oscillator options; (17)In-Circuit Debug (ICD) via two pins; (18)Synchronous Serial Port (SSP) with SPI(Master mode) and I2C(Master/Slave); (19)Universal Synchronous Asynchronous Receiver Transmitter(USART/SCI) with 9-bit address detection; (20)Parallel Slave Port (PSP)-8 bits wide with external RD, WR and CS controls (40/44-pin only); (21)Brown-out detection circuitry for Brown-out Reset (BOR).

Diagrams