參數(shù)資料
型號(hào)： SN54LS541J
廠商： ON SEMICONDUCTOR
元件分類(lèi)： 總線收發(fā)器
英文描述： Octal Bidirectional Transceiver with 3 State Inputs/Outputs; Package: 20 LEAD PDIP; No of Pins: 20; Container: Rail; Qty per Container: 18
中文描述： LS SERIES, 8-BIT DRIVER, TRUE OUTPUT, CDIP20
封裝： CERAMIC, DIP-20
文件頁(yè)數(shù)： 2/3頁(yè)
文件大?。?/td> 75K
代理商： SN54LS541J
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)
5-2
FAST AND LS TTL DATA
SN54/74LS540
SN54/74LS541
INPUTS
OUTPUTS
E1
L
H
X
L
E2
L
X
H
L
D
LS540
LS541
H
X
X
L
L
Z
Z
H
H
Z
Z
L
L = LOW Voltage Level
H = HIGH Voltage Level
X = Immaterial
Z = High Impedance
DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE
(unless otherwise specified)
Symbol
b l
Parameter
Limits
U i
Unit
Test Conditions
di i
Min
Typ
Max
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
74
0.8
VIK
Input Clamp Diode Voltage
–0.65
–1.5
V
VCC = MIN, IIN = –18 mA
VCC = MIN, IOH = –3.0 mA
VCC = MIN, IOH = MAX, VIL = 0.5 V
VOH
Output HIGH Voltage
54, 74
2.4
3.4
V
54, 74
2.0
V
VOL
Output LOW Voltage
54, 74
0.25
0.4
V
IOL = 12 mA
VCC = VCC MIN,
VIN= VILor VIH
VIN = VIL or VIH
per Truth Table
74
0.35
0.5
V
IOL = 24 mA
VT+–VT–
IOZH
IOZL
Hysteresis
0.2
0.4
V
VCC = MIN
VCC = MAX, VOUT = 2.7 V
VCC = MAX, VOUT = 0.4 V
VCC = MAX, VIN = 2.7 V
VCC = MAX, VIN = 7.0 V
VCC = MAX, VIN = 0.4 V
VCC = MAX
Output Off Current HIGH
20
μ
A
Output Off Current LOW
–20
μ
A
IIH
Input HIGH Current
20
μ
A
0.1
mA
IIL
IOS
Input LOW Current
–0.2
mA
Short Circuit Current (Note 1)
–40
–225
mA
ICC
Power Supply Current
Total, Output HIGH
LS540
25
mA
VCC = MAX
LS541
32
mA
Total Output LOW
Total, Output LOW
LS540
45
mA
LS541
52
mA
Total Output 3-State
LS540
52
mA
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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