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74LS126 PDF даташит

Спецификация 74LS126 изготовлена ​​​​«Motorola Semiconductors» и имеет функцию, называемую «QUAD 3-STATE BUFFERS».

Детали детали

Номер произв 74LS126
Описание QUAD 3-STATE BUFFERS
Производители Motorola Semiconductors
логотип Motorola Semiconductors логотип 

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74LS126 Даташит, Описание, Даташиты
QUAD 3-STATE BUFFERS
VCC E
DOE
DO
14 13 12 11 10 9
8
SN54/74LS125A
SN54/74LS126A
QUAD 3-STATE BUFFERS
LOW POWER SCHOTTKY
1234567
ED
OE
D O GND
LS125A
VCC E
DOE
DO
14 13 12 11 10 9
8
1234567
ED
OE
D O GND
LS126A
LS125A
TRUTH TABLES
LS126A
INPUTS
INPUTS
ED
OUTPUT
ED
OUTPUT
LL
LH
HX
L
H
(Z)
HL
HH
LX
L
H
(Z)
L = LOW Voltage Level
H = HIGH Voltage Level
X = Don’t Care
(Z) = High Impedance (off)
GUARANTEED OPERATING RANGES
Symbol
Parameter
VCC
Supply Voltage
TA Operating Ambient Temperature Range
IOH Output Current — High
IOL Output Current — Low
54
74
54
74
54
74
54
74
14
1
J SUFFIX
CERAMIC
CASE 632-08
14
1
14
1
N SUFFIX
PLASTIC
CASE 646-06
D SUFFIX
SOIC
CASE 751A-02
ORDERING INFORMATION
SN54LSXXXJ Ceramic
SN74LSXXXN Plastic
SN74LSXXXD SOIC
Min Typ Max Unit
4.5 5.0 5.5
4.75 5.0 5.25
V
– 55 25 125 °C
0 25 70
– 1.0
– 2.6
mA
12 mA
24
FAST AND LS TTL DATA
5-207









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74LS126 Даташит, Описание, Даташиты
SN54/74LS125A SN54/74LS126A
DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE (unless otherwise specified)
Limits
Symbol
Parameter
Min Typ Max Unit
Test Conditions
VIH Input HIGH Voltage
2.0
V
Guaranteed Input HIGH Voltage for
All Inputs
VIL Input LOW Voltage
54
74
0.7 Guaranteed Input LOW Voltage for
0.8 V All Inputs
VIK
VOH
Input Clamp Diode Voltage
Output HIGH Voltage
54
74
– 0.65
– 1.5
2.4
2.4
V VCC = MIN, IIN = – 18 mA
V VCC = MIN, IOH = MAX, VIN = VIH
V or VIL per Truth Table
VOL
Output LOW Voltage
54, 74
74
0.25 0.4
0.35 0.5
V IOL = 12 mA VCC = VCC MIN,
VIN = VIL or VIH
V IOL = 24 mA per Truth Table
IOZH
IOZL
IIH
Output Off Current HIGH
Output Off Current LOW
Input HIGH Current
20
– 20
20
0.1
IIL Input LOW Current
IOS Short Circuit Current (Note 1)
– 40
LS125A
ICC Power Supply Current
LS126A
– 0.4
–225
20
22
Note 1: Not more than one output should be shorted at a time, nor for more than 1 second.
µA VCC = MAX, VOUT = 2.4 V
µA VCC = MAX, VOUT = 0.4 V
µA VCC = MAX, VIN = 2.7 V
mA VCC = MAX, VIN = 7.0 V
mA VCC = MAX, VIN = 0.4 V
mA VCC = MAX
VIN = 0 V, VE = 4.5 V
mA VCC = MAX
VIN = 0 V, VE = 0 V
AC CHARACTERISTICS (TA = 25°C)
Symbol
tPLH
tPLH
tPHL
tPHL
tPZH
Parameter
Propagation Delay,
Data to Output
Output Enable Time
to HIGH Level
tPZL
Output Enable Time
to LOW Level
tPHZ
Output Disable Time
from HIGH Level
tPLZ
Output Disable Time
from LOW Level
LS125A
LS126A
LS125A
LS126A
LS125A
LS126A
LS125A
LS126A
LS125A
LS126A
LS125A
LS126A
Min
Limits
Typ
9.0
9.0
7.0
8.0
12
16
15
21
Max
15
15
18
18
20
25
25
35
20
25
20
25
Unit Test Conditions
ns Figure 2
ns Figures 4, 5
ns Figures 3, 5
ns Figures 4, 5
ns FIgures 3, 5
VCC = 5.0 V
CL = 45 pF
RL = 667
VCC = 5.0 V
CL = 5.0 pF
RL = 667
FAST AND LS TTL DATA
5-208









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74LS126 Даташит, Описание, Даташиты
SN54/74LS125A SN54/74LS126A
VIN
VOUT
1.3 V
tPLH
1.3 V
Figure 1
VE
VE
VOUT
1.3 V
tPZL
1.3 V
Figure 3
1.3 V
tPHL
1.3 V
VIN
VOUT
1.3 V
tPHL
1.3 V
1.3 V
tPLH
1.3 V
1.3 V
tPLZ
0.5 V
1.3 V
VOL
VE
VE
VOUT
Figure 2
1.3 V
tPZH
1.3 V
tPHZ
1.3 V
> VOH
1.3 V
0.5 V
Figure 4
TO OUTPUT
UNDER TEST
VCC
RL
SW1
5 k
CL
SW2
Figure 5
SWITCH POSITIONS
SYMBOL
SW1
SW2
tPZH
tPZL
tPLZ
tPHZ
Open
Closed
Closed
Closed
Closed
Open
Closed
Closed
FAST AND LS TTL DATA
5-209










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