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SN74LS122 Datasheet(PDF) 5 Page - ON Semiconductor

Part # SN74LS122
Description  LOW POWER SCHOTTKY
PDF  12 Pages
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Manufacturer  ONSEMI [ON Semiconductor]
Direct Link  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

SN74LS122 Datasheet(HTML) 5 Page - ON Semiconductor

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SN74LS122 SN74LS123
http://onsemi.com
5
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
2.7
3.5
V
VCC = MIN, IOH = MAX, VIN = VIH
or VIL per Truth Table
VO
Output LOW Voltage
0.25
0.4
V
IOL = 4.0 mA
VCC = VCC MIN,
VIN =VIL or VIH
VOL
Output LOW Voltage
0.35
0.5
V
IOL = 8.0 mA
VIN = VIL or VIH
per Truth Table
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)
–20
–100
mA
VCC = MAX
ICC
Power Supply Current
LS122
11
mA
VCC = MAX
ICC
Power Supply Current
LS123
20
mA
VCC = MAX
Note 1: Not more than one output should be shorted at a time, nor for more than 1 second.
AC CHARACTERISTICS (TA = 25°C, VCC = 5.0 V)
Limits
Symbol
Parameter
Min
Typ
Max
Unit
Test Conditions
tPLH
Propagation Delay, A to Q
23
33
ns
PLH
tPHL
gy
Propagation Delay, A to Q
32
45
ns
Cext = 0
tPLH
Propagation Delay, B to Q
23
44
ns
ext
CL = 15 pF
PLH
tPHL
gy
Propagation Delay, B to Q
34
56
ns
Rext = 5.0 kΩ
tPLH
Propagation Delay, Clear to Q
28
45
ns
ext
RL = 2.0 kΩ
PLH
tPHL
gy
Propagation Delay, Clear to Q
20
27
ns
tWmin
A or B to Q
116
200
ns
Cext = 1000 pF, Rext = 10 kΩ,
tWQ
A to B to Q
4.0
4.5
5.0
µs
ext
ext
CL = 15 pF, RL = 2.0 kΩ
AC SETUP REQUIREMENTS (TA = 25°C, VCC = 5.0 V)
Limits
Symbol
Parameter
Min
Typ
Max
Unit
Test Conditions
tW
Pulse Width
40
ns



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