Datasheet > 74LS122

74LS122

更新时间： 2022-12-12 21:41:55

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页数	文件大小	规格书
12页	175K
描述
LOW POWER SCHOTTKY

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74LS122 数据手册

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.

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• Overriding Clear Terminates Output Pulse

• Compensated for V 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

PLASTIC

N SUFFIX

CASE 646

GUARANTEED OPERATING RANGES

Symbol

Parameter

Supply Voltage

Min

4.75

Typ

5.0

Max

5.25

Unit

SOIC

Operating Ambient

Temperature Range

°C

D SUFFIX

CASE 751A

Output Current – High

Output Current – Low

External Timing Resistance

External Capacitance

Wiring Capacitance at

–0.4

8.0

5.0

260

ext

No Restriction

ext ext

/C Terminal

ext ext

PLASTIC

N SUFFIX

CASE 648

SOIC

D SUFFIX

CASE 751B

ORDERING INFORMATION

Device

Package

14 Pin DIP

14 Pin

Shipping

SN74LS122N

SN74LS122D

SN74LS123N

SN74LS123D

2000 Units/Box

2500/Tape & Reel

2000 Units/Box

2500/Tape & Reel

16 Pin DIP

16 Pin

Semiconductor Components Industries, LLC, 1999

Publication Order Number:

December, 1999 – Rev. 6

SN74LS122/D

12 3 4 5 6 7...12

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