M80C85 Просмотр технического описания (PDF) - Oki Electric Industry

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M80C85

CMOS PROGRAMMABLE INTERVAL TIMER

Oki Electric Industry 

E2O0018-27-X2

¡ Semiconductor ¡ Semiconductor

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Previous version: Aug. 1996

MSM82C53-2RS/GS/JS

CMOS PROGRAMMABLE INTERVAL TIMER

GENERAL DESCRIPTION

The MSM82C53-2RS/GS/JS is programmable universal timers designed for use in

microcomputer systems. Based on silicon gate CMOS technology, it 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 timer 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.

FEATURES

• Maximum operating frequency of 8 MHz (MSM82C53-2)

• High speed and low power consumption achieved through silicon gate CMOS technology

• Completely static operation

• Three independent 16-bit down-counters

• 3 V to 6 V single power supply

• Six counter modes available for each counter

• Binary and decimal counting possible

• 24-pin Plastic DIP (DIP24-P-600-2.54): (Product name: MSM82C53-2RS)

• 28-pin Plastic QFJ (QFJ28-P-S450-1.27): (Product name: MSM82C53-2JS)

• 32-pin Plastic SSOP(SSOP32-P-430-1.00-K): (Product name: MSM82C53-2GS-K)

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