SN54-74LS540 ON Semiconductor, SN54-74LS540 Datasheet - Page 2

• Manufacturer Part Number: SN54-74LS540
• Description: OCTAL BUFFER/LINE DRIVER WITH 3-STATE OUTPUTS
• Manufacturer: ON Semiconductor

DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE
Note 1: Not more than one output should be shorted at a time, nor for more than 1 second.
E 1
E 2
D 1
D 2
D 3
D 4
D 5
D 6
D 7
D 8
V IH
V IL
V IL
V IK
V OH
V OH
V OL
V OL
V T+ –V T–
I OZH
I OZL
I IH
I IH
I IL
I OS
I
I
I CC
S
Symbol
CC
(19)
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
b l
Input HIGH Voltage
Input LOW Voltage
Input LOW Voltage
Input Clamp Diode Voltage
Output HIGH Voltage
Output HIGH Voltage
Output LOW Voltage
Output LOW Voltage
Hysteresis
Output Off Current HIGH
Output Off Current LOW
Input HIGH Current
Input HIGH Current
Input LOW Current
Short Circuit Current (Note 1)
Power Supply Current
LS540
Total, Output HIGH
Total Output LOW
Total, Output LOW
Total Output 3-State
Total Output 3-State
P
Parameter
(18)
(17)
(16)
(15)
(14)
(13)
(12)
(11)
BLOCK DIAGRAM
Y2
Y1
Y3
Y5
Y4
Y6
Y7
Y8
SN54/74LS540 SN54/74LS541
LS540
LS541
LS540
LS541
LS540
LS541
54, 74
54, 74
54, 74
54
74
74
E 1
E 2
D 1
D 2
D 3
D 4
D 5
D 6
D 7
D 8
FAST AND LS TTL DATA
(19)
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
Min
– 40
2.0
2.4
2.0
0.2
Limits
– 0.65
LS541
0.25
0.35
Typ
3.4
0.4
5-2
– 225
– 1.5
– 0.2
Max
– 20
0.7
0.8
0.4
0.5
0.1
20
20
25
32
45
52
52
55
(unless otherwise specified)
(18)
(17)
(16)
(15)
(14)
(13)
(12)
(11)
U i
Unit
Y2
mA
mA
mA
mA
mA
mA
mA
mA
mA
Y1
Y3
Y5
Y4
Y6
Y7
Y8
V
V
V
V
V
V
V
V
V
A
A
A
Guaranteed Input HIGH Voltage for
All Inputs
Guaranteed Input LOW Voltage for
All Inputs
V CC = MIN, I IN = – 18 mA
V CC = MIN, I OH = – 3.0 mA
V CC = MIN, I OH = MAX, V IL = 0.5 V
I OL = 12 mA
I OL = 24 mA
V CC = MIN
V CC = MAX, V OUT = 2.7 V
V CC = MAX, V OUT = 0.4 V
V CC = MAX, V IN = 2.7 V
V CC = MAX, V IN = 7.0 V
V CC = MAX, V IN = 0.4 V
V CC = MAX
V
V
V CC = MAX
CC
L = LOW Voltage Level
H = HIGH Voltage Level
X = Immaterial
Z = High Impedance
E 1
H
X
L
L
INPUTS
MAX
MAX
E 2
X
H
L
L
T
Test Conditions
p
D
H
X
X
L
C
V CC = V CC MIN,
V IN = V IL or V IH
V IN = V IL or V IH
per Truth Table
LS540
H
L
Z
Z
OUTPUTS
di i
g
LS541
H
Z
Z
L