Part Number : PIC16LF874
Function : 8-bit CMOS FLASH microcontroller
Package : DIP 40 Pin Type
Maker : Microchip Technology
Pinouts : 
Description :
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.
Features :
• High performance RISC CPU
• Only 35 single word instructions to learn
• All single cycle instructions except for program branches which are two cycle
• Pinout compatible to the PIC16C73B/74B/76/77
• Interrupt capability (up to 14 sources)
• Eight level deep hardware stack
• Direct, indirect and relative addressing modes
• Power-on Reset (POR)
Datasheet PDF Download : 
Others datasheet of same file :
PIC16F873, PIC16F873-04/L, PIC16F873-04/P, PIC16F873-04/PQ,
PIC16LF874A-I/PT, PIC16F873-04/PT