HD74HC257 Datasheet, PDF (2/9 Pages) Hitachi Semiconductor – Quad. 2-to-1-line Data Selectors/Multiplexers(with noninverted 3-state outputs)

HD74HC257
Pin Arrangement
Select 1
1A 2
1B 3
1Y 4
2A 5
2B 6
2Y 7
GND 8
S
1A OC
1B 4A
1Y 4B
2A 4Y
2B 3A
2Y 3B
3Y
(Top view)
16 V_CC
15
Output
control
14 4A
13 4B
12 4Y
11 3A
10 3B
9 3Y
Absolute Maximum Ratings
Item
Supply voltage range
Input voltage
Output voltage
DC current drain per pin
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
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
2