82C54 - Intersil Corporation

82C54 CMOS Programmable Interval Timer

82C54 CMOS Programmable Interval Timer The 82C54 is a high performance CMOS Programmable Interval Timer manufactured using an advanced 2 micron CMOS process. The 82C54 has three independently programmable and functional 16-bit counters, each capable of handling clock input frequencies of up to 8MHz (82C54) or 10MHz (82C54-10) or 12MHz (82C54-12). The high sp.

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.