Product Summary

The MSM82C53-2 is a programmable universal timer. It is designed for use in microcomputer systems. Based on silicon gate CMOS technology, the MSM82C53-2 requires a standby current of only 100 mA (max.) when the chip is in the nonselected state. During timer operation, power consumption is still very low only 8 mA (max.) at 8 MHz of current required. The device consists of three independent counters, and can count up to a maximum of 8 MHz (MSM82C53-2). The MSM82C53-2 features six different counter modes, and binary count/BCD count functions. Count values can be set in byte or word units, and all functions are freely programmable.

Parametrics

MSM82C53-2 absolute maximum ratings: (1)Supply Voltage: –0.5 to + 7 V; (2)Input Voltage: –0.5 to VCC + 0.5 V; (3)Output Voltage: –0.5 to VCC + 0.5 V; (4)Storage Temperature: -55 to +150 ℃; (5)Power Dissipation: 0.9 W.

Features

MSM82C53-2 features: (1)Maximum operating frequency of 8 MHz (MSM82C53-2); (2)High speed and low power consumption achieved through silicon gate CMOS technology; (3)Completely static operation; (4)Three independent 16-bit down-counters; (5)3 V to 6 V single power supply; (6)Six counter modes available for each counter; (7)Binary and decimal counting possible; (8)24-pin Plastic DIP (DIP24-P-600-2.54): (Product name: MSM82C53-2); (9)28-pin Plastic QFJ (QFJ28-P-S450-1.27): (Product name: MSM82C53-2JS); (10)32-pin Plastic SSOP(SSOP32-P-430-1.00-K): (Product name: MSM82C53-2GS-K).

Diagrams

MSM82C53-2 block diagram

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