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HD74HCT640 Datasheet, PDF (4/7 Pages) Hitachi Semiconductor – Octal Bus Transceivers (with 3-state outputs)
HD74HCT640/HD74HCT643
HD74HCT643
G
DIR
VCC
A
B
VCC
To 7 other inverters To 7 other inverters
Absolute Maximum Ratings
Item
Supply voltage range
Input voltage
Output voltage
DC current drain per pin
DC current drain per VCC, GND
DC input diode current
DC output diode current
Power dissipation per package
Storage temperature
Symbol
VCC
VIN
VOUT
I OUT
ICC, IGND
I IK
I OK
PT
Tstg
Rating
–0.5 to +7.0
–0.5 to VCC + 0.5
–0.5 to VCC + 0.5
±35
±75
±20
±20
500
–65 to +150
Unit
V
V
V
mA
mA
mA
mA
mW
°C
4