74HC646D 데이터 시트보기 (PDF) - NXP Semiconductors.
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74HC646D Datasheet PDF : 13 Pages
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Philips Semiconductors
Octal bus transceiver/register; 3-state
Product specification
74HC/HCT646
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
SAB, SBA
A0 to A7 and B0 to B7
UNIT LOAD COEFFICIENT
0.60
0.75
INPUT
CPAB, CPBA
OE
DIR
UNIT LOAD COEFFICIENT
1.50
1.50
1.25
September 1993
7
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