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CD54HCT4020

CD54HCT4020 Series

High Speed CMOS Logic 14-Stage Binary Counter

Manufacturer: Texas Instruments

Catalog

High Speed CMOS Logic 14-Stage Binary Counter

Key Features

Fully static operationBuffered inputsCommon resetNegative edge clockingFanout (over temperature range)Standard outputs: 10 LSTTL loadsBus driver outputs: 15 LSTTL loadsWide operating temperature range: -55℃ to 125℃Balanced propagation delay and transition timesSignificant power reduction compared to LSTTL Logic ICsHC types2 V to 6 V operationHigh noise immunity: NIL= 30%, NIH= 30% of VCCat VCC= 5 VHCT types4.5 V to 5.5 V operationDirect LSTTL input logic compatibility, VIL= 0.8 V (max), VIH= 2 V (min)CMOS input compatibility, II≤ 1 µA at VOL,VOHFully static operationBuffered inputsCommon resetNegative edge clockingFanout (over temperature range)Standard outputs: 10 LSTTL loadsBus driver outputs: 15 LSTTL loadsWide operating temperature range: -55℃ to 125℃Balanced propagation delay and transition timesSignificant power reduction compared to LSTTL Logic ICsHC types2 V to 6 V operationHigh noise immunity: NIL= 30%, NIH= 30% of VCCat VCC= 5 VHCT types4.5 V to 5.5 V operationDirect LSTTL input logic compatibility, VIL= 0.8 V (max), VIH= 2 V (min)CMOS input compatibility, II≤ 1 µA at VOL,VOH