PCF84C42A Datasheet (PDF) Download
NXP Semiconductors
PCF84C42A

Description

Manufactured in silicon gate CMOS process - 8-bit CPU, ROM, RAM, I/O in a 20-lead package - 1 kbyte ROM (PCF84C12A) - 2 kbyte ROM (PCF84C22A) - 4 kbyte ROM (PCF84C42A) - 64 byte RAM - Over 100 instructions (based on MAB8048) all of 1 or 2 cycles - 13 quasi-bidirectional I/O port lines - 8-bit programmable timer/event counter 1 - Two single-level vectored interrupts: – external – 8-bit programmable timer/event counter 1 - Two test inputs, one of which also serves as the external interrupt input - Stop and Idle modes - Supply voltage: 2.5 to 5.5 V - Clock frequency: 1 to 16 MHz - Operating temperature: -40 to +85 °C.