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SN74LS122 View Datasheet(PDF) - ON Semiconductor

Part NameDescriptionManufacturer
SN74LS122 Retriggerable Monostable Multivibrators ON-Semiconductor
ON Semiconductor ON-Semiconductor
SN74LS122 Datasheet PDF : 12 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
SN74LS122, SN74LS123
Retriggerable Monostable
Multivibrators
These dc triggered multivibrators feature pulse width control by
three methods. The basic pulse width is programmed by selection of
external resistance and capacitance values. The LS122 has an internal
timing resistor that allows the circuits to be used with only an external
capacitor. Once triggered, the basic pulse width may be extended by
retriggering the gated low-level-active (A) or high-level-active (B)
inputs, or be reduced by use of the overriding clear.
Overriding Clear Terminates Output Pulse
Compensated for VCC and Temperature Variations
DC Triggered from Active-High or Active-Low Gated Logic Inputs
Retriggerable for Very Long Output Pulses, up to 100% Duty Cycle
Internal Timing Resistors on LS122
GUARANTEED OPERATING RANGES
Symbol
Parameter
Min Typ Max Unit
VCC
TA
Supply Voltage
Operating Ambient
Temperature Range
4.75 5.0 5.25
V
0
25
70
°C
IOH
Output Current – High
–0.4 mA
IOL
Output Current – Low
8.0
mA
Rext
External Timing Resistance 5.0
260 kW
Cext
External Capacitance
No Restriction
Rext/Cext Wiring Capacitance at
Rext/Cext Terminal
50
pF
http://onsemi.com
LOW POWER SCHOTTKY
14
1
14
1
16
1
16
1
16
1
PLASTIC
N SUFFIX
CASE 646
SOIC
D SUFFIX
CASE 751A
PLASTIC
N SUFFIX
CASE 648
SOIC
D SUFFIX
CASE 751B
SOEIAJ
M SUFFIX
CASE 966
ORDERING INFORMATION
Device
Package
Shipping
SN74LS122N
14 Pin DIP 2000 Units/Box
SN74LS122D
SOIC–14
55 Units/Rail
SN74LS122DR2 SOIC–14 2500/Tape & Reel
SN74LS123N
16 Pin DIP 2000 Units/Box
SN74LS123D
SOIC–16
38 Units/Rail
SN74LS123DR2 SOIC–16 2500/Tape & Reel
SN74LS123M
SOEIAJ–16
See Note 1
SN74LS123MEL SOEIAJ–16
See Note 1
1. For ordering information on the EIAJ version of
the SOIC package, please contact your local
ON Semiconductor representative.
© Semiconductor Components Industries, LLC, 2001
1
October, 2001 – Rev. 7
Publication Order Number:
SN74LS122/D
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