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SN74HC4020PWR_TI(德州仪器)中文资料_英文资料_价格_PDF手册

2024/5/27 16:33:41

118

SN74HC4020PWR

14 位异步二进制计数器

 

 

 

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1 Features

 

• 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

 

                              


 

2 Description

 

The  HC4020 devices are 14-stage binary ripple-carry counters that advance on the negative-going edge of the clock pulse. The counters are reset to zero (all outputs low) independently of the clock (CLK) input when the clear (CLR) input goes high.