74HCT401 datasheet(8/11 Pages) PHILIPS

部件名	74HCT401

功能描述	8-bit synchronous BCD down counter

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制造商	PHILIPS [NXP Semiconductors]

网页	http://www.nxp.com

标志

8 / 11 page

December 1990

8

Philips Semiconductors

Product speciﬁcation

8-bit synchronous BCD down counter

74HC/HCT40102

DC CHARACTERISTICS FOR 74HCT

For the DC characteristics see

“74HC/HCT/HCU/HCMOS Logic Family Specifications”.

Output capability: standard

ICC category: MSI

Note to HCT types

The value of additional quiescent supply current (

∆ICC) for a unit load of 1 is given in the family specifications.

To determine

∆ICC per input, multiply this value by the unit load coefficient shown in the table below.

INPUT

UNIT LOAD COEFFICIENT

CP, PE

MR

TE

Pn

PL

1.50

1.00

0.80

0.25

0.35

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