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SN74LS122 ๋ฐ์ดํ„ฐ์‹œํŠธ(HTML) 1 Page - ON Semiconductor

๋ถ€ํ’ˆ๋ช… SN74LS122
์ƒ์„ธ๋‚ด์šฉ  LOW POWER SCHOTTKY
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ยฉ Semiconductor Components Industries, LLC, 1999
December, 1999 โ€“ Rev. 6
1
Publication Order Number:
SN74LS122/D
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.
โ€ข Overriding Clear Terminates Output Pulse
โ€ข Compensated for V
CC and Temperature Variations
โ€ข DC Triggered from Active-High or Active-Low Gated Logic Inputs
โ€ข Retriggerable for Very Long Output Pulses, up to 100% Duty Cycle
โ€ข Internal Timing Resistors on LS122
GUARANTEED OPERATING RANGES
Symbol
Parameter
Min
Typ
Max
Unit
VCC
Supply Voltage
4.75
5.0
5.25
V
TA
Operating Ambient
Temperature Range
0
25
70
ยฐC
IOH
Output Current โ€“ High
โ€“ 0.4
mA
IOL
Output Current โ€“ Low
8.0
mA
Rext
External Timing Resistance
5.0
260
k
W
Cext
External Capacitance
No Restriction
Rext/Cext
Wiring Capacitance at
Rext/Cext Terminal
50
pF
LOW POWER SCHOTTKY
Device
Package
Shipping
ORDERING INFORMATION
SN74LS123N
16 Pin DIP
SN74LS123D
16 Pin
SOIC
D SUFFIX
CASE 751A
http://onsemi.com
PLASTIC
N SUFFIX
CASE 646
14
1
14
1
SOIC
D SUFFIX
CASE 751B
PLASTIC
N SUFFIX
CASE 648
16
1
16
1
SN74LS122N
14 Pin DIP
2000 Units/Box
SN74LS122D
14 Pin
2500/Tape & Reel
2000 Units/Box
2500/Tape & Reel


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