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SN74LS38 数据表(PDF) 2 Page - ON Semiconductor

部件名 SN74LS38
功能描述  LOW POWER SCHOTTKY
PDF  4 Pages
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制造商  ONSEMI [ON Semiconductor]
网页  http://www.onsemi.com
标志 ONSEMI - ON Semiconductor

SN74LS38 数据表(HTML) 2 Page - ON Semiconductor

  SN74LS38 Datasheet HTML 1Page - ON Semiconductor SN74LS38 Datasheet HTML 2Page - ON Semiconductor SN74LS38 Datasheet HTML 3Page - ON Semiconductor SN74LS38 Datasheet HTML 4Page - ON Semiconductor  
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SN74LS38
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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
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
IOH
Output HIGH Current
250
µA
VCC = MIN, VOH = MAX
VO
Output LOW Voltage
0.25
0.4
V
IOL = 12 mA
VCC = VCC MIN,
VIN =VIL or VIH
VOL
Output LOW Voltage
0.35
0.5
V
IOL = 24 mA
VIN = VIL or VIH
per Truth Table
I
Input HIGH Current
20
µA
VCC = MAX, VIN = 2.4 V
IIH
Input HIGH Current
0.1
mA
VCC = MAX, VIN = 7.0 V
IIL
Input LOW Current
– 0.4
mA
VCC = MAX, VIN = 0.4 V
ICC
Power Supply Current
Total, Output HIGH
2.0
mA
VCC = MAX
CC
Total, Output LOW
12
CC
AC CHARACTERISTICS (TA = 25°C)
Limits
Symbol
Parameter
Min
Typ
Max
Unit
Test Conditions
tPLH
Turn-Off Delay, Input to Output
20
32
ns
VCC = 5.0 V, RL = 667 Ω
tPHL
Turn-On Delay, Input to Output
18
28
ns
CC
L
CL = 45 pF



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