DM74LS122 datasheet(2/6 Pages) NSC

No. de pieza	DM74LS122

Descripción Electrónicos	DM74LS122 Retriggerable One-Shot with Clear and Complementary Outputs

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Fabricante Electrónico	NSC [National Semiconductor (TI)]

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Absolute Maximum Ratings (Note)

If MilitaryAerospace specified devices are required

please contact the National Semiconductor Sales

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Supply Voltage

7V

Input Voltage

7V

Operating Free Air Temperature Range

DM74LS

0 Cto a70 C

Storage Temperature

b

65 Cto a150 C

Note

The ‘‘Absolute Maximum Ratings’’ are those values

beyond which the safety of the device cannot be guaran-

teed The device should not be operated at these limits The

parametric values defined in the ‘‘Electrical Characteristics’’

table are not guaranteed at the absolute maximum ratings

The ‘‘Recommended Operating Conditions’’ table will define

the conditions for actual device operation

Recommended Operating Conditions

Symbol

Parameters

Min

Nom

Max

Units

VCC

Supply Voltage

475

5

525

V

VIH

High Level Input Voltage

2

V

VIL

Low Level Input Voltage

08

V

IOH

High Level Output Current

b

04

mA

IOL

Low Level Output Current

8

mA

tW

Pulse Width

A or B High

40

(Note 6)

A or B Low

40

ns

Clear Low

40

REXT

External Timing Resistor

5

260

kX

CEXT

External Timing Capacitance

No Restriction

m

F

CWIRE

Wiring Capacitance

50

pF

at REXT CEXT Terminal

TA

Free Air Operating Temperature

0

70

C

Electrical Characteristics over recommended operating free air temperature range (unless otherwise noted)

Symbol

Parameter

Conditions

Min

Typ

Max

Units

(Note 1)

VI

Input Clamp Voltage

VCC e Min I eb18 mA

b

15

V

VOH

High Level Output

VCC e Min IOH e Max

27

34

V

Voltage

VIL e Max VIH e Min

VOL

Low Level Output

VCC e Min IOL e Max

035

05

Voltage

VIL e Max VIH e Min

V

IOL e 4 mA VCC e Min

025

04

II

Input Current

Max

VCC e Max VI e 7V

01

mA

Input Voltage

IIH

High Level Input Current

VCC e Max VI e 27V

20

m

A

IIL

Low Level Input Current

VCC e Max VI e 04V

b

04

mA

IOS

Short Circuit

VCC e Max

b

20

b

100

mA

Output Current

(Note 2)

ICC

Supply Current

VCC e Max (Notes 3 4 and 5)

6

11

mA

2

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DM74LS122 Datasheet(PDF) 2 Page - National Semiconductor (TI)

DM74LS122 Datasheet(HTML) 2 Page - National Semiconductor (TI)

Número de pieza similar - DM74LS122

Descripción similar - DM74LS122

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