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SN74HC4040DBR_TI(德州仪器)中文资料_英文资料_价格_PDF手册

2024/6/28 14:22:40

16

SN74HC4040DBR

12 位异步二进制计数器

 


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· Wide Operating Voltage Range of 2 V to 6 V 

· Outputs Can Drive Up To 10 LSTTL Loads 

· Low Power Consumption, 80-µA Max ICC

· Typical tpd = 12 ns 

· ±4-mA Output Drive at 5 V 

· Low Input Current of 1 µA Max

 

 

 

                          


 

 

description/ordering information

 

The ’HC4040 devices are 12-stage asynchronous binary counters, with the outputs of all stages available externally. A high level at the clear (CLR) input asynchronously clears the counter and resets all outputs low. The count is advanced on a high-to-low transition at the clock (CLK) input. Applications include time-delay circuits, counter controls, and frequency-dividing circuits