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SN74LS125A 数据表(PDF) 2 Page - ON Semiconductor

部件名 SN74LS125A
功能描述  LOW POWER SCHOTTKY
Download  4 Pages
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制造商  ONSEMI [ON Semiconductor]
网页  http://www.onsemi.com
标志 ONSEMI - ON Semiconductor

SN74LS125A 数据表(HTML) 2 Page - ON Semiconductor

  SN74LS125A Datasheet HTML 1Page - ON Semiconductor SN74LS125A Datasheet HTML 2Page - ON Semiconductor SN74LS125A Datasheet HTML 3Page - ON Semiconductor SN74LS125A Datasheet HTML 4Page - ON Semiconductor  
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SN74LS125A SN74LS126A
http://onsemi.com
2
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
VOH
Output HIGH Voltage
2.4
V
VCC = MIN, IOH = MAX, VIN = VIH
or VIL per Truth Table
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
IOZH
Output Off Current HIGH
20
µA
VCC = MAX, VOUT = 2.4 V
IOZL
Output Off Current LOW
–20
µA
VCC = MAX, VOUT = 0.4 V
I
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
– 0.4
mA
VCC = MAX, VIN = 0.4 V
IOS
Short Circuit Current (Note 1)
–40
–225
mA
VCC = MAX
ICC
Power Supply Current
LS125A
20
mA
VCC = MAX
VIN = 0 V, VE = 4.5 V
ICC
Power Supply Current
LS126A
22
mA
VCC = MAX
VIN = 0 V, VE = 0 V
Note 1: Not more than one output should be shorted at a time, nor for more than 1 second.
AC CHARACTERISTICS (TA = 25°C)
Limits
Symbol
Parameter
Min
Typ
Max
Unit
Test Conditions
tPLH
LS125A
9.0
15
tPLH
Propagation Delay,
LS126A
9.0
15
ns
Figure 2
tPHL
gy
Data to Output
LS125A
7.0
18
ns
Figure 2
tPHL
LS126A
8.0
18
VCC = 5.0 V
CL =45 pF
t
Output Enable Time
LS125A
12
20
ns
Figures 4 5
CL = 45 F
RL = 667 Ω
tPZH
to HIGH Level
LS126A
16
25
ns
Figures 4, 5
t
Output Enable Time
LS125A
15
25
ns
Figures 3 5
tPZL
to LOW Level
LS126A
21
35
ns
Figures 3, 5
t
Output Disable Time
LS125A
20
ns
Figures 4 5
tPHZ
from HIGH Level
LS126A
25
ns
Figures 4, 5
VCC = 5.0 V
CL =5 0 pF
t
Output Disable Time
LS125A
20
ns
FIgures 3 5
CL = 5.0 F
RL = 667 Ω
tPLZ
from LOW Level
LS126A
25
ns
FIgures 3, 5


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