HD74HC646 Datasheet, PDF (4/10 Pages) Hitachi Semiconductor – Octal Bus Transceivers/Registers with Multiplexed 3-state outputs

HD74HC646/HD74HC648
Absolute Maximum Ratings
Item
Supply voltage range
Input voltage
Output voltage
Output current
DC current drain per V_CC , GND
DC input diode current
DC output diode current
Power Dissipation per package
Storage temperature
Symbol
V_CC
V_IN
V_OUT
I _OUT
I_CC, I_GND
I _IK
I _OK
P_T
Tstg
Logic Diagram
HD74HC646
Rating
–0.5 to +7.0
–0.5 to V_CC + 0.5
–0.5 to V_CC + 0.5
±35
±75
±20
±20
500
–65 to +150
Unit
V
V
V
mA
mA
mA
mA
mW
°C
x7
A₁
VCC
Q
CAB
D
CAB
CAB
SAB
SBA
Q
CBA
D
CBA
VCC
B1
CBA
DIR
G
4