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Recommended Operating Conditions
(1)
SN54HC08, SN74HC08
QUADRUPLE 2-INPUT POSITIVE-AND GATES
SCLS081F – DECEMBER 1982 – REVISED JANUARY 2007
SN54HC08 SN74HC08
UNIT
MIN NOM MAX MIN NOM MAX
V
CC
Supply voltage 2 5 6 2 5 6 V
V
CC
= 2 V 1.5 1.5
V
IH
High-level input voltage V
CC
= 4.5 V 3.15 3.15 V
V
CC
= 6 V 4.2 4.2
V
CC
= 2 V 0.5 0.5
V
IL
Low-level input voltage V
CC
= 4.5 V 1.35 1.35 V
V
CC
= 6 V 1.8 1.8
V
I
Input voltage 0 V
CC
0 V
CC
V
V
O
Output voltage 0 V
CC
0 V
CC
V
V
CC
= 2 V 1000 1000
∆ t/ ∆ v Input transition rise or fall rate V
CC
= 4.5 V 500 500 ns
V
CC
= 6 V 400 400
T
A
Operating free-air temperature –55 125 –40 85 ° C
(1) All unused inputs of the device must be held at V
CC
or GND to ensure proper device operation. Refer to the TI application report,
Implications of Slow or Floating CMOS Inputs, literature number SCBA004.
3
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