MOTOROLA SN74LS126AM, SN74LS126AMEL, SN74LS126AML1, SN74LS126AMR1, SN74LS126AN Datasheet

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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
V
CC
8
7
GND
E DOE DO
DOE
DOE
LS126A
14 13 12 11 10 9
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
SN74LS125A SN74LS126A
http://onsemi.com
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
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
t
PLZ
from LOW Level
LS126A 25
ns
FIgures 3, 5
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