Product Summary

The MD82C54/B is a high performance CMOS Programmable Interval Timer manufactured using an advanced 2 micron CMOS process. The MD82C54/B has three independently programmable and functional 16-bit counters, each capable of handling clock input frequencies of up to 8MHz.

Parametrics

MD82C54/B absolute maximum ratings: (1)Supply Voltage: +8.0V; (2)Input, Output or I/O Voltage: GND-0.5V to VCC +0.5V; (3)Operating Voltage Range: +4.5V to +5.5V; (4)Operating Temperature Range: -55℃ to +125℃; (5)Thermal Resistance (Typical): 55 N/A; (6)Storage Temperature Range: -65℃ to +150℃; (7)Maximum Junction Temperature Ceramic Package: +175℃; (8)Maximum Junction Temperature Plastic Package: +150℃.

Features

MD82C54/B features: (1)8MHz to 12MHz Clock Input Frequency; (2)Compatible with NMOS 8254; (3)Three Independent 16-Bit Counters; (4)Six Programmable Counter Modes; (5)Status Read Back Command; (6)Binary or BCD Counting; (7)Fully TTL Compatible; (8)Single 5V Power Supply; (9)Low Power; (10)Operating Temperature Ranges; (11)Pb-Free Plus Anneal Available (RoHS Compliant).

Diagrams

MD82C54/B block diagram