PIC16F873 Datasheet PDF - Microchip Technology

Additional information may be found in the PICmicro Mid-Range Reference Manual (DS33023), which may be obtained from your local Microchip Sales Represen tative or downloaded from the Microchip website. The Reference Manual should be considered a  complementary document to this data sheet, and is highly recommended reading for a better understanding of the device architecture and operation of the peripheral modules.

There are four devices (PIC16F873, PIC16F874, PIC16F876 and PIC16F877) covered by this data sheet. The PIC16F876/873 devices come in 28-pin packages and the PIC16F877/874 devices come in 40-pin packages. The Parallel Slave Port is not implemented on the 28-pin devices.