Philips Semiconductors
Product specification
8-bit shift register with input flip-flops
74HC/HCT597
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
DS
Dn
0.25
0.30
1.50
1.50
PL, MR
STCP, SHCP
December 1990
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