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CD54HC4020

Part Number	CD54HC4020
Manufacturer	Texas Instruments
Description	14-Stage Binary Counter
Published	Mar 16, 2020
Detailed Description	CD54HC4020, CD74HC4020, CD54HCT4020, CD74HCT4020 SCHS201D – FEBRUARY 1998 – REVISED AUGUST 2022 CDx4HC4020, CDx4HCT4020 ...
Datasheet	CD54HC4020 PDF File

Overview

CD54HC4020, CD74HC4020, CD54HCT4020, CD74HCT4020 SCHS201D – FEBRUARY 1998 – REVISED AUGUST 2022 CDx4HC4020, CDx4HCT4020 CDHigh-Speed CMOS Logic 14-Stage Binary Counter 1 Features • Fully static operation • Buffered inputs • Common reset • Negative edge clocking • Fanout (over temperature range) – Standard outputs: 10 LSTTL loads – Bus driver outputs: 15 LSTTL loads • Wide operating temperature range: -55℃ to 125℃ • Balanced propagation delay and transition times • Significant power reduction compared to LSTTL Logic ICs • HC types – 2 V to 6 V operation – High noise immunity: NIL = 30%, NIH = 30% of VCC at VCC = 5 V • HCT types – 4.
5 V to 5.
5 V operation – Direct LSTTL input logic compatibility, VIL = 0.
8 V (max), VIH = 2 V (min) – CMOS input compatibility, II ≤ 1 µA at VOL,VOH 2 Description The ’HC4020 and ’HCT4020 are 14-stage ripple-carry binary counters.
All counter stages are controller/ peripheral flip- flops.
The state of the stage advances one count on the negative clock tran...

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