MSM82C53-2RS Datasheet | OKI Electric

DESCRIPTION The MSM82C53-2RS/GS/JS is programmable universal timers designed for use in microputer systems. Based on silicon gate CMOS technology, it requires a standby current of only 100 m A (max.) when the chip is in the nonselected state. During timer operation, power consumption is still very low only 8 m A (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 - pletely 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) 1/19 ¡ Semiconductor FUNCTIONAL BLOCK DIAGRAM VCC GND 8 Data D7 - D0 Bus Buffer WR RD Read/ Write A0 Logic A1 Control Word Register MSM82C53-2RS/GS/JS Counter #0 CLK0 GATE0 OUT0 Counter #1 CLK1 GATE1 OUT1 Counter #2 CLK2 GATE2 OUT2 Internal Bus 2/19 ¡ Semiconductor PIN CONFIGURATION (TOP VIEW) 24 pin Plastic DIP D7 1 D6 2 D5 3 D4 4 D3 5 D2 6 D1 7 D0 8 CLK0 9 OUT0 10 GATE0 11 GND 12 32 pin Plastic...