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HD74HC251 Datasheet, PDF (3/9 Pages) Hitachi Semiconductor – 1 of 8 Data Selectors/Multiplexers (with 3-state outputs)
HD74HC251
Logic Diagram
A
B
C
D0
D1
D2
Strobe
D3
VCC
D4
Y
D5
VCC
D6
W
D7
Absolute Maximum Ratings
Item
Symbol
Ratings
Unit
Supply voltage range
VCC
–0.5 to 7.0
V
Input / Output voltage
VIN, VOUT
–0.5 to VCC +0.5
V
Input / Output diode current
IIK, IOK
±20
mA
Output current
IO
±25
mA
VCC, GND current
ICC or IGND
±50
mA
Power dissipation
Storage temperature
PT
500
mW
Tstg
–65 to +150
°C
Note: The absolute maximum ratings are values, which must not individually be exceeded, and furthermore, no two of
which may be realized at the same time.
Rev.2.00 Jan 31, 2006 page 3 of 8