Datasheet SN74LS126AM, SN74LS126AMEL, SN74LS126AML1, SN74LS126AMR1, SN74LS126AN Datasheet (MOTOROLA)
...Page 1
Semiconductor Components Industries, LLC, 1999
December, 1999 – Rev. 6
1 Publication Order Number:
SN74LS125A/D
SN74LS125A SN74LS126A
Quad 3-State Buffers
LS125A
14 13 12 11 10 9
123456
V
CC
8
7
GND
E DOE DO
DOE
DOE
LS126A
14 13 12 11 10 9
123456
V
CC
8
7
GND
EDOEDO
DOEDOE
TRUTH TABLES
LS125A LS126A
INPUTS INPUTS
E D OUTPUT E D OUTPUT
L L L H L L
L H H H H H
H X (Z) L X (Z)
L = LOW Voltage Level
H = HIGH Voltage Level
X = Don’t Care
(Z) = High Impedance (off)
GUARANTEED OPERATING RANGES
Symbol Parameter Min Typ Max Unit
V
CC
Supply Voltage 4.75 5.0 5.25 V
T
A
Operating Ambient
T emperature Range
0 25 70 °C
I
OH
Output Current – High –2.6 mA
I
OL
Output Current – Low 24 mA
LOW
POWER
SCHOTTKY
Device Package Shipping
ORDERING INFORMATION
SN74LS125AN 14 Pin DIP 2000 Units/Box
SN74LS125AD 14 Pin
SOIC
D SUFFIX
CASE 751A
http://onsemi.com
2500/Tape & Reel
PLASTIC
N SUFFIX
CASE 646
14
1
14
1
SN74LS126AN 14 Pin DIP
SN74LS126AD 14 Pin
2000 Units/Box
2500/Tape & Reel
Page 2
SN74LS125A SN74LS126A
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2
DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE (unless otherwise specified)
Limits
Symbol Parameter
Min Typ Max
Unit Test Conditions
V
IH
Input HIGH Voltage 2.0 V
Guaranteed Input HIGH Voltage for
All Inputs
V
IL
Input LOW Voltage
0.8
V
Guaranteed Input LOW Voltage for
All Inputs
V
IK
Input Clamp Diode Voltage –0.65 –1.5 V VCC = MIN, IIN = –18 mA
V
OH
Output HIGH Voltage
2.4 V VCC = MIN, IOH = MAX, VIN = V
IH
or VIL per Truth Table
p
0.25 0.4 V IOL = 12 mA
VCC = VCC MIN,
VOLOutput LOW Voltage
0.35 0.5 V IOL = 24 mA
V
IN
=
V
IL
or
V
IH
per Truth Table
I
OZH
Output Off Current HIGH 20 µA VCC = MAX, V
OUT
= 2.4 V
I
OZL
Output Off Current LOW –20 µA VCC = MAX, V
OUT
= 0.4 V
p
20 µA VCC = MAX, VIN = 2.7 V
IIHInput HIGH Current
0.1 mA VCC = MAX, VIN = 7.0 V
I
IL
Input LOW Current –0.4 mA VCC = MAX, VIN = 0.4 V
I
OS
Short Circuit Current (Note 1) –40 –225 mA VCC = MAX
pp
LS125A 20
VIN = 0 V, VE = 4.5 V
ICCPower Supply Current
LS126A 22
mA
V
CC
=
MAX
VIN = 0 V, VE = 0 V
Note 1: Not more than one output should be shorted at a time, nor for more than 1 second.
AC CHARACTERISTICS (T
A
= 25°C)
Limits
Symbol Parameter
Min Typ Max
Unit Test Conditions
t
PLH
LS125A 9.0 15
t
PLH
Propagation Delay,
LS126A 9.0 15
t
PHL
gy
Data to Output
LS125A 7.0 18
ns
Figure 2
t
PHL
LS126A 8.0 18
VCC = 5.0 V
p
Output Enable Time
LS125A 12 20
C
L
= 45
F
RL = 667 Ω
t
PZH
to HIGH Level
LS126A 16 25
ns
Figures 4, 5
Output Enable Time
LS125A 15 25
t
PZL
to LOW Level
LS126A 21 35
ns
Figures 3, 5
Output Disable Time
LS125A 20
t
PHZ
from HIGH Level
LS126A 25
ns
Figures 4, 5
VCC = 5.0 V
p
Output Disable Time
LS125A 20
C
L
= 5.0
F
RL = 667 Ω
t
PLZ
from LOW Level
LS126A 25
ns
FIgures 3, 5
Page 3
SN74LS125A SN74LS126A
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3
Figure 1. Figure 2.
Figure 3. Figure 4.
V
IN
V
OUT
1.3 V
1.3 V
t
PLH
t
PHL
1.3 V
1.3 V
V
IN
V
OUT
1.3 V
1.3 V
t
PHL
1.3 V
t
PLH
1.3 V
V
E
V
E
V
OUT
1.3 V
t
PZL
1.3 V
t
PLZ
1.3 V
≈ 1.3 V
V
OL
0.5 V
V
E
V
OUT
1.3 V
t
PZH
1.3 V
1.3 V
t
PHZ
> VOH
≈ 1.3 V
0.5 V
V
E
Figure 5.
V
CC
R
L
SW1
TO OUTPUT
UNDER TEST
C
L
5 kΩ
SW2
SWITCH POSITIONS
SYMBOL SW1 SW2
t
PZH
Open Closed
t
PZL
Closed Open
t
PLZ
Closed Closed
t
PHZ
Closed Closed
Page 4
SN74LS125A SN74LS126A
http://onsemi.com
4
P ACKAGE DIMENSIONS
17
14 8
B
A
DIM MIN MAX MIN MAX
MILLIMETERSINCHES
A 0.715 0.770 18.16 18.80
B 0.240 0.260 6.10 6.60
C 0.145 0.185 3.69 4.69
D 0.015 0.021 0.38 0.53
F 0.040 0.070 1.02 1.78
G 0.100 BSC 2.54 BSC
H 0.052 0.095 1.32 2.41
J 0.008 0.015 0.20 0.38
K 0.115 0.135 2.92 3.43
L
M ––– 10 ––– 10
N 0.015 0.039 0.38 1.01
__
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: INCH.
3. DIMENSION L TO CENTER OF LEADS WHEN
FORMED PARALLEL.
4. DIMENSION B DOES NOT INCLUDE MOLD FLASH.
5. ROUNDED CORNERS OPTIONAL.
F
HG
D
K
C
SEATING
PLANE
N
–T–
14 PL
M
0.13 (0.005)
L
M
J
0.290 0.310 7.37 7.87
N SUFFIX
PLASTIC PACKAGE
CASE 646–06
ISSUE M
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: MILLIMETER.
3. DIMENSIONS A AND B DO NOT INCLUDE
MOLD PROTRUSION.
4. MAXIMUM MOLD PROTRUSION 0.15 (0.006)
PER SIDE.
5. DIMENSION D DOES NOT INCLUDE DAMBAR
PROTRUSION. ALLOWABLE DAMBAR
PROTRUSION SHALL BE 0.127 (0.005) TOTAL
IN EXCESS OF THE D DIMENSION AT
MAXIMUM MATERIAL CONDITION.
–A–
–B–
G
P
7 PL
14 8
71
M
0.25 (0.010) B
M
S
B
M
0.25 (0.010) A
S
T
–T–
F
R
X 45
SEATING
PLANE
D 14 PL
K
C
J
M
_
DIM MIN MAX MIN MAX
INCHESMILLIMETERS
A 8.55 8.75 0.337 0.344
B 3.80 4.00 0.150 0.157
C 1.35 1.75 0.054 0.068
D 0.35 0.49 0.014 0.019
F 0.40 1.25 0.016 0.049
G 1.27 BSC 0.050 BSC
J 0.19 0.25 0.008 0.009
K 0.10 0.25 0.004 0.009
M 0 7 0 7
P 5.80 6.20 0.228 0.244
R 0.25 0.50 0.010 0.019
____
D SUFFIX
PLASTIC SOIC PACKAGE
CASE 751A–03
ISSUE F
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