Datasheet > 74HC670N,652

74HC670N,652

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74HC670N,652 数据手册

Philips Semiconductors

Product speciﬁcation

4 x 4 register ﬁle; 3-state

74HC/HCT670

DC CHARACTERISTICS FOR 74HCT

For the DC characteristics see “74HC/HCT/HCU/HCMOS Logic Family Specifications”.

Output capability: bus driver

I_CCcategory: MSI

Note to HCT types

The value of additional quiescent supply current (∆I_CC) for a unit load of 1 is given in the family specifications.

To determine ∆I_CCper input, multiply this value by the unit load coefficient shown in the table below.

INPUT

UNIT LOAD COEFFICIENT

D_n

WE, W_A

W_B

0.25

0.40

0.60

R_A

R_B

0.70

1.10

1.35

December 1990

1...3 4 567 8 9

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