Also known as:

• VLSI VL82C54A (8-10MHz CMOS Programmable Interval Timer)

Description:

Intel 8254-2 Programmable Interval Timer

Versions:

• 8254 8MHz c:81
• 8254-2 10MHz c:81
• 8254-5 5MHz c:86

The Intel 8254 is a counter/timer device designed to solve the common timing control problems in microcomputer system design. It provides three independent 16-bit counters, each capable of handling clock inputs up to 10 MHz. All modes are software programmable. The 8254 is a superset of the 8253.

The 8254 uses HMOS technology and comes in a 24-pin plastic or CERDIP package.

• Compatible with all Intel and most other microprocessors
• Handles Inputs from DC to 10 MHz
  • 5 MHz 8254-5
  • 8 MHz 8254
  • 10 MHz 8254-2
• Six Programmable Counter Modes
• Status Read-Back Command
• Three Independent 16-bit Counters
• Binary or BCD Counting
• Single +5V Supply
• Uses HMOS Technology
• Available in EXPRESS Standard Temperature Range