74HCT161PW,112 查看數據表（PDF） - NXP Semiconductors.
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74HCT161PW,112 Datasheet PDF : 12 Pages
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Philips Semiconductors
Presettable synchronous 4-bit binary
counter; asynchronous reset
Product specification
74HC/HCT161
The shaded areas indicate when the input is permitted to change
for predictable output performance.
(1) HC : VM = 50%; VI = GND to VCC.
HCT: VM = 1.3 V; VI = GND to 3 V.
Fig.11 Waveforms showing the set-up and hold times for the input (Dn) and parallel enable input PE.
The shaded areas indicate when the input is
permitted to change for predictable output
performance.
(1) HC : VM = 50%; VI = GND to VCC.
HCT: VM = 1.3 V; VI = GND to 3 V.
Fig.12 Waveforms showing the CEP and CET set-up and hold times.
PACKAGE OUTLINES
See “74HC/HCT/HCU/HCMOS Logic Package Outlines”.
December 1990
12
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