SN54ALS157A, SN54ALS158
SN74ALS157A, SN74ALS158, SN74AS157, SN74AS158
QUAD 1 OF 2 DATA SELECTORS/MULTIPLEXERS
SDAS081C − APRIL 1982 − REVISED DECEMBER 1994
switching characteristics (see Figure 1)
VCC = 5 V,
CL = 50 pF,
RL = 500
Ω
,
TA = 25°C
′ALS157A
TYP
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
9
A or B
A/B
G
Y
Y
Y
6
15
9
14
10
VCC = 4.5 V to 5.5 V,
CL = 50 pF,
RL = 500
Ω
,
TA = MIN to MAX†
SN54ALS157A
MIN
4
2
7
4
7
4
MAX
17
15
28
20
25
18
SN74ALS157A
MIN
4
2
7
4
7
4
MAX
14
12
24
17
20
13
ns
ns
ns
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
UNIT
† For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.
switching characteristics (see Figure 1)
VCC = 5 V,
CL = 50 pF,
RL = 500
Ω
,
TA = 25°C
′ALS158
TYP
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
9
A or B
A/B
G
Y
Y
Y
5
13
13
13
13
VCC = 4.5 V to 5.5 V,
CL = 50 pF,
RL = 500
Ω
,
TA = MIN to MAX†
SN54ALS158
SN74ALS158
MIN
4
2
5
5
5
5
MAX
18
12
22
22
22
22
MIN
4
2
5
5
5
5
MAX
15
8
18
18
18
18
ns
ns
ns
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
UNIT
† For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.
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