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SN54LS540J 数据表(PDF) 2 Page - Motorola, Inc

部件名 SN54LS540J
功能描述  OCTAL BUFFER/LINE DRIVER WITH 3-STATE OUTPUTS
PDF  5 Pages
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制造商  MOTOROLA [Motorola, Inc]
网页  http://www.freescale.com
标志 MOTOROLA - Motorola, Inc

SN54LS540J 数据表(HTML) 2 Page - Motorola, Inc

  SN54LS540J Datasheet HTML 1Page - Motorola, Inc SN54LS540J Datasheet HTML 2Page - Motorola, Inc SN54LS540J Datasheet HTML 3Page - Motorola, Inc SN54LS540J Datasheet HTML 4Page - Motorola, Inc SN54LS540J Datasheet HTML 5Page - Motorola, Inc  
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BLOCK DIAGRAM
LS540
LS541
E1
E2
D1
D2
D3
D4
D5
D6
D7
D8
Y8
Y7
Y6
Y5
Y4
Y3
Y2
Y1
(1)
(19)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(11)
(12)
(13)
(14)
(15)
(16)
(17)
(18)
E1
E2
D1
D2
D3
D4
D5
D6
D7
D8
Y8
Y7
Y6
Y5
Y4
Y3
Y2
Y1
(1)
(19)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(11)
(12)
(13)
(14)
(15)
(16)
(17)
(18)
5-569
FAST AND LS TTL DATA
SN54/74LS540
• SN54/74LS541
INPUTS
OUTPUTS
E1
E2
D
LS540
LS541
L
L
H
L
H
H
X
X
Z
Z
X
H
X
Z
Z
L
L
L
H
L
L = LOW Voltage Level
H = HIGH Voltage Level
X = Immaterial
Z = High Impedance
DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE (unless otherwise specified)
Symbol
Parameter
Limits
Unit
Test Conditions
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
0.7
V
Guaranteed Input LOW Voltage for
All Inputs
VIL
Input LOW Voltage
74
0.8
V
Guaranteed Input LOW Voltage for
All Inputs
VIK
Input Clamp Diode Voltage
– 0.65
– 1.5
V
VCC = MIN, IIN = – 18 mA
VOH
Output HIGH Voltage
54, 74
2.4
3.4
V
VCC = MIN, IOH = – 3.0 mA
VOH
Output HIGH Voltage
54, 74
2.0
V
VCC = MIN, IOH = MAX, VIL = 0.5 V
VOL
Output LOW Voltage
54, 74
0.25
0.4
V
IOL = 12 mA
VCC = VCC MIN,
VIN = VIL or VIH
per Truth Table
VOL
Output LOW Voltage
74
0.35
0.5
V
IOL = 24 mA
VIN = VIL or VIH
per Truth Table
VT+–VT–
Hysteresis
0.2
0.4
V
VCC = MIN
IOZH
Output Off Current HIGH
20
µA
VCC = MAX, VOUT = 2.7 V
IOZL
Output Off Current LOW
– 20
µA
VCC = MAX, VOUT = 0.4 V
IIH
Input HIGH Current
20
µA
VCC = MAX, VIN = 2.7 V
IIH
Input HIGH Current
0.1
mA
VCC = MAX, VIN = 7.0 V
IIL
Input LOW Current
– 0.2
mA
VCC = MAX, VIN = 0.4 V
IOS
Short Circuit Current (Note 1)
– 40
– 225
mA
VCC = MAX
ICC
Power Supply Current
Total, Output HIGH
LS540
25
mA
VCC = MAX
ICC
LS541
32
mA
VCC = MAX
ICC
Total, Output LOW
Total Output 3-State
LS540
45
mA
VCC = MAX
ICC
Total, Output LOW
Total Output 3-State
LS541
52
mA
VCC = MAX
Total Output 3-State
LS540
52
mA
Total Output 3-State
LS541
55
mA
Note 1: Not more than one output should be shorted at a time, nor for more than 1 second.



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