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HD74HC160 数据手册 ( 数据表 )

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Description
The HD74HC160 and the HD74HC162 are 4 bit decade counters, and the HD74HC161 and the HD74HC163 are 4 bit binary counters All flip-flops are clocked simultaneously on the low to high to transition (positive edge) of the clock input waveform.
These counters may be preset using the load input. Presetting of all four flip-flops is synchronous to thte rising edge of clock. When load is held low counting is disabled and the data on the A, B, C, and D inputs is loaded into the counter on the rising edge of clock. If the load input is taken high before the positive edge of clock the count operation will be unaffected.

Features
•  High Speed Operation: tpd(Clock to Q) = 18 ns typ (CL= 50 pF)
•  High Output Current: Fanout of 10 LSTTL Loads
•  Wide Operating Voltage: VCC= 2 to 6 V
•  Low Input Current: 1 µA max

 

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零件编号
产品描述 (功能)
PDF
生产厂家
Synchronous Decade Counter (Direct Clear)/Synchronous 4-bit Binary Counter (Direct Clear)/Synchronous Decade Counter (Synchronous Clear)/Synchronous 4-bit Binary Counter (Synchronous Clear)
Renesas Electronics
Synchronous Binary Counter with Asynchronous Clear • Synchronous Binary Counter with Synchronous Clear
Fairchild Semiconductor
Synchronous 4-bit Binary Counter (Synchronous Clear)
Renesas Electronics
Synchronous 4-bit Binary Counter (Synchronous Clear)
Renesas Electronics
Synchronous 4-bit Binary Counter (direct clear)
Renesas Electronics
Synchronous UP/Down Decade Counter Synchronous Up/Down 4-bit binary Counter
Renesas Electronics
Synchronous 4-bit Binary Counter (direct clear)
Renesas Electronics
Synchronous Decade Counter (synchronous clear)
Renesas Electronics
Synchronous Decade Counter (direct clear)
Renesas Electronics
CD40192BC Synchronous 4-Bit Up/Down Decade Counter, CD40193BC Synchronous 4-Bit Up/Down Binary Counter
Fairchild Semiconductor

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