Datasheet
SN54AHC08
SN74AHC08
www.ti.com
SCLS236I –MARCH 1996–REVISED MAY 2013
ELECTRICAL CHARACTERISTICS
over operating free-air temperature range (unless otherwise noted)
T
A
= –55°C TO T
A
= –40°C TO T
A
= –40°C TO
125°C 85°C 125°C
T
A
= 25°C
Recommended
PARAMETER TEST CONDITIONS V
CC
UNIT
SN54AHC08 SN74AHC08
SN74AHC08
MIN TYP MAX MIN MAX MIN MAX MIN MAX
2 V 1.9 2 1.9 1.9 1.9
I
OH
= –50 µA 3 V 2.9 3 2.9 2.9 2.9
V
OH
4.5 V 4.4 4.5 4.4 4.4 4.4 V
I
OH
= –4 mA 3 V 2.58 2.48 2.48 2.48
I
OH
= –8 mA 4.5 V 3.94 3.8 3.8 3.8
2 V 0.1 0.1 0.1 0.1
I
OL
= 50 µA 3 V 0.1 0.1 0.1 0.1
V
OL
4.5 V 0.1 0.1 0.1 0.1 V
I
OH
= 4 mA 3 V 0.36 0.5 0.44 0.5
I
OH
= 8 mA 4.5 V 0.36 0.5 0.44 0.5
0 V to 5.5
I
I
V
I
= 5.5 V or GND ±0.1 ±1
(1)
±1 ±1 µA
V
V
I
= V
CC
or
I
CC
I
O
= 0 5.5 V 2 20 20 20 µA
GND,
C
i
V
I
= V
CC
or GND 5 V 4 10 10 pF
(1) On products compliant to MIL-PRF-38535, this parameter is not production tested at VCC = 0 V.
SWITCHING CHARACTERISTICS
over recommended operating free-air temperature range, V
CC
= 3.3 V ± 0.3 V (unless otherwise noted) (see Figure 1)
T
A
= –40°C TO
T
A
= –55°C TO T
A
= –40°C TO
125°C
125°C 85°C
T
A
= 25°C
FROM TO LOAD
Recommended
PARAMETER UNIT
(INPUT) (OUTPUT) CAPACITANCE
SN54AHC08 SN74AHC08 SN74AHC08
TYP MAX MIN MAX MIN MAX MIN MAX
t
PLH
6.2
(1)
8.8
(1)
1
(1)
10.5
(1)
1 10.5 1 10.5
A or B Y C
L
= 15 pF ns
t
PHL
6.2
(1)
8.8
(1)
1
(1)
10.5
(1)
1 10.5 1 10.5
t
PLH
8.7 12.3 1 14 1 14 1 14
A or B Y C
L
= 50 pF ns
t
PHL
8.7 12.3 1 14 1 14 1 14
(1) On products compliant to MIL-PRF-38535, this parameter is not production tested.
SWITCHING CHARACTERISTICS
over recommended operating free-air temperature range, V
CC
= 5 V ± 0.5 V (unless otherwise noted) (see Figure 1)
T
A
= –40°C TO
T
A
= –55°C TO T
A
= –40°C TO
125°C
125°C 85°C
T
A
= 25°C
FROM TO LOAD
Recommended
PARAMETER UNIT
(INPUT) (OUTPUT) CAPACITANCE
SN54AHC08 SN74AHC08 SN74AHC08
TYP MAX MIN MAX MIN MAX MIN MAX
t
PLH
4.3
(1)
5.9
(1)
1
(1)
7
(1)
1 7 1 7.0
A or B Y C
L
= 15 pF ns
t
PHL
4.3
(1)
5.9
(1)
1
(1)
7
(1)
1 7 1 7.0
t
PLH
5.8 7.9 1 9 1 9 1 9.0
A or B Y C
L
= 50 pF ns
t
PHL
5.8 7.9 1 9 1 9 1 9.0
(1) On products compliant to MIL-PRF-38535, this parameter is not production tested.
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