Datasheet

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Electrical Characteristics
Switching Characteristics
Operating Characteristics
SN54HC08, SN74HC08
QUADRUPLE 2-INPUT POSITIVE-AND GATES
SCLS081F – DECEMBER 1982 – REVISED JANUARY 2007
over operating free-air temperature range (unless otherwise noted)
T
A
= 25 ° C SN54HC08 SN74HC08
PARAMETER TEST CONDITIONS V
CC
UNIT
MIN TYP MAX MIN MAX MIN MAX
2 V 1.9 1.998 1.9 1.9
I
OH
= –20 µ A 4.5 V 4.4 4.499 4.4 4.4
V
OH
V
I
= V
IH
or V
IL
6 V 5.9 5.999 5.9 5.9 V
I
OH
= –4 mA 4.5 V 3.98 4.3 3.7 3.84
I
OH
= –5.2 mA 6 V 5.48 5.8 5.2 5.34
2 V 0.002 0.1 0.1 0.1
I
OL
= 20 µ A 4.5 V 0.001 0.1 0.1 0.1
V
OL
V
I
= V
IH
or V
IL
6 V 0.001 0.1 0.1 0.1 V
I
OL
= 4 mA 4.5 V 0.17 0.26 0.4 0.33
I
OL
= 5.2 mA 6 V 0.15 0.26 0.4 0.33
I
I
V
I
= V
CC
or 0 6 V ± 0.1 ± 100 ± 1000 ± 1000 nA
I
CC
V
I
= V
CC
or 0, I
O
= 0 6 V 2 40 20 µ A
C
i
2 V to 6 V 3 10 10 10 pF
over operating free-air temperature range, C
L
= 50 pF (unless otherwise noted) (see Figure 1 )
T
A
= 25 ° C SN54HC08 SN74HC08
FROM TO
PARAMETER V
CC
UNIT
(INPUT) (OUTPUT)
MIN TYP MAX MIN MAX MIN MAX
2 V 50 100 150 125
t
pd
A Y 4.5 V 10 20 30 25 ns
6 V 8 17 25 24
2 V 38 75 110 95
t
t
Y 4.5 V 8 15 22 19 ns
6 V 6 13 19 16
T
A
= 25 ° C
PARAMETER TEST CONDITIONS TYP UNIT
C
pd
Power dissipation capacitance per inverter No load 20 pF
4
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