74HC670 データシートの表示（PDF） - Philips Electronics
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74HC670 Datasheet PDF : 9 Pages
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Philips Semiconductors
4 x 4 register file; 3-state
Product specification
74HC/HCT670
DC CHARACTERISTICS FOR 74HCT
For the DC characteristics see “74HC/HCT/HCU/HCMOS Logic Family Specifications”.
Output capability: bus driver
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
Dn
WE, WA
WB
RA
RB
RE
UNIT LOAD COEFFICIENT
0.25
0.40
0.60
0.70
1.10
1.35
December 1990
6
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