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54LS123 Fiches technique(PDF) 4 Page - Motorola, Inc

No de pièce 54LS123
Description  RETRIGGERABLE MONOSTABLE MULTIVIBRATORS
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Fabricant  MOTOROLA [Motorola, Inc]
Site Internet  http://www.freescale.com
Logo MOTOROLA - Motorola, Inc

54LS123 Fiches technique(HTML) 4 Page - Motorola, Inc

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FAST AND LS TTL DATA
SN54/74LS122
• SN54/74LS123
DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE (unless otherwise specified)
Symbol
Parameter
Limits
Unit
Test Conditions
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
54
0.7
V
Guaranteed Input LOW Voltage for
All Inputs
VIL
Input LOW Voltage
74
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
54
2.5
3.5
V
VCC = MIN, IOH = MAX, VIN = VIH
or VIL per Truth Table
VOH
Output HIGH Voltage
74
2.7
3.5
V
VCC = MIN, IOH = MAX, VIN = VIH
or VIL per Truth Table
VOL
Output LOW Voltage
54, 74
0.25
0.4
V
IOL = 4.0 mA
VCC = VCC MIN,
VIN = VIL or VIH
per Truth Table
VOL
Output LOW Voltage
74
0.35
0.5
V
IOL = 8.0 mA
VIN = VIL or VIH
per Truth Table
IIH
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)
Symbol
Parameter
Limits
Unit
Test Conditions
Symbol
Parameter
Min
Typ
Max
Unit
Test Conditions
tPLH
tPHL
Propagation Delay, A to Q
Propagation Delay, A to Q
23
33
ns
Cext = 0
CL = 15 pF
Rext = 5.0 kΩ
RL = 2.0 kΩ
tPLH
tPHL
Propagation Delay, A to Q
Propagation Delay, A to Q
32
45
ns
Cext = 0
CL = 15 pF
Rext = 5.0 kΩ
RL = 2.0 kΩ
tPLH
tPHL
Propagation Delay, B to Q
Propagation Delay, B to Q
23
44
ns
Cext = 0
CL = 15 pF
Rext = 5.0 kΩ
RL = 2.0 kΩ
tPLH
tPHL
Propagation Delay, B to Q
Propagation Delay, B to Q
34
56
ns
Rext = 5.0 kΩ
RL = 2.0 kΩ
tPLH
tPHL
Propagation Delay, Clear to Q
Propagation Delay, Clear to Q
28
45
ns
Rext = 5.0 kΩ
RL = 2.0 kΩ
tPLH
tPHL
Propagation Delay, Clear to Q
Propagation Delay, Clear to Q
20
27
ns
tW min
A or B to Q
116
200
ns
Cext = 1000 pF, Rext = 10 kΩ,
CL = 15 pF, RL = 2.0 kΩ
tWQ
A to B to Q
4.0
4.5
5.0
µs
Cext = 1000 pF, Rext = 10 kΩ,
CL = 15 pF, RL = 2.0 kΩ
AC SETUP REQUIREMENTS (TA = 25°C, VCC = 5.0 V)
Symbol
Parameter
Limits
Unit
Test Conditions
Symbol
Parameter
Min
Typ
Max
Unit
Test Conditions
tW
Pulse Width
40
ns


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