The Intersil 82C54 is a high performance CMOS Programmable Interval Timer manufactured using an advanced 2 micron CMOS process.

Features
• 8MHz to 12MHz Clock Input Frequency
• Compatible with NMOS 8254
    - Enhanced Version of NMOS 8253
• Three Independent 16-Bit Counters
• Six Programmable Counter Modes
• Status Read Back Command
• Binary or BCD Counting
• Fully TTL Compatible
• Single 5V Power Supply
• Low Power
    - ICCSB. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10µA
    - ICCOP . . . . . . . . . . . . . . . . . . . . . . . . . . 10mA at 8MHz
• Operating Temperature Ranges
    - CX82C54 . . . . . . . . . . . . . . . . . . . . . . . . . 0°C to +70°C
    - IX82C54 . . . . . . . . . . . . . . . . . . . . . . . . .-40°C to +85°C
    - MD82C54 . . . . . . . . . . . . . . . . . . . . . . .-55°C to +125°C
• Pb-Free Plus Anneal Available (RoHS Compliant)