QUAD 3-STATE BUFFERS
VCC
14
E
13
D
12
O
11
E
10
D
9
O
8
SN54/74LS125A
SN54/74LS126A
QUAD 3-STATE BUFFERS
LOW POWER SCHOTTKY
1
E
2
D
3
O
4
E
5
D
6
O
7
GND
LS125A
VCC
14
E
13
D
12
O
11
E
10
D
9
O
8
14
1
J SUFFIX
CERAMIC
CASE 632-08
14
1
N SUFFIX
PLASTIC
CASE 646-06
1
E
2
D
3
O
4
E
5
D
6
O
7
GND
14
1
LS126A
D SUFFIX
SOIC
CASE 751A-02
TRUTH TABLES
LS125A
INPUTS
E
L
L
H
D
L
H
X
OUTPUT
L
H
(Z)
INPUTS
E
H
H
L
D
L
H
X
OUTPUT
L
H
(Z)
LS126A
ORDERING INFORMATION
SN54LSXXXJ
SN74LSXXXN
SN74LSXXXD
Ceramic
Plastic
SOIC
L = LOW Voltage Level
H = HIGH Voltage Level
X = Don鈥檛 Care
(Z) = High Impedance (off)
GUARANTEED OPERATING RANGES
Symbol
VCC
TA
IOH
IOL
Supply Voltage
Operating Ambient Temperature Range
Output Current 鈥?High
Output Current 鈥?Low
Parameter
54
74
54
74
54
74
54
74
Min
4.5
4.75
鈥?55
0
Typ
5.0
5.0
25
25
Max
5.5
5.25
125
70
鈥?1.0
鈥?2.6
12
24
Unit
V
擄C
mA
mA
FAST AND LS TTL DATA
5-207