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SN54LS253 データシートの表示(PDF) - Motorola => Freescale

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SN54LS253 DUAL 4-INPUT MULTIPLEXER WITH 3-STATE OUTPUTS Motorola
Motorola => Freescale Motorola
SN54LS253 Datasheet PDF : 5 Pages
1 2 3 4 5
SN54 / 74LS253
GUARANTEED OPERATING RANGES
Symbol
Parameter
VCC
Supply Voltage
TA
Operating Ambient Temperature Range
IOH
Output Current — High
IOL
Output Current — Low
Min
Typ
Max
Unit
54
4.5
5.0
5.5
V
74
4.75
5.0
5.25
54
– 55
25
125
°C
74
0
25
70
54
– 1.0
mA
74
– 2.6
54
12
mA
74
24
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
54
VIL
Input LOW Voltage
74
0.7
Guaranteed Input LOW Voltage for
0.8
V
All Inputs
VIK
VOH
Input Clamp Diode Voltage
54
Output HIGH Voltage
74
– 0.65 – 1.5
2.4
3.4
2.4
3.1
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
V
IOL = 24 mA
VCC = VCC MIN,
VIN = VIL or VIH
per Truth Table
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
0.1
mA VCC = MAX, VIN = 7.0 V
IIL
Input LOW Current
– 0.4 mA VCC = MAX, VIN = 0.4 V
IOS
Short Circuit Current (Note 1)
– 30
– 130 mA VCC = MAX
12
ICC
Power Supply Current
14
Note 1: Not more than one output should be shorted at a time, nor for more than 1 second.
mA VCC = MAX, VE = 0 V
mA VCC = MAX, VE = 4.5 V
AC CHARACTERISTICS (TA = 25°C, VCC = 5.0 V) See SN54LS251 for Waveforms
Limits
Symbol
Parameter
Min Typ Max Unit
tPLH
tPHL
Propagation Delay,
Data to Output
17
13
25
20
ns
tPLH
tPHL
Propagation Delay,
Select to Output
30
21
45
32
ns
tPZH
tPZL
Output Enable Time
15
15
28
23
ns
tPHZ
tPLZ
Output Disable Time
27
18
41
27
ns
Test Conditions
Figure 1
Figure 1
Figures 4, 5
CL = 45 pF,
RL = 667
Figures 3, 5
CL = 5.0 pF,
RL = 667
FAST AND LS TTL DATA
5-418
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