DM74LS249N datasheet(2/6 Pages) NSC

부품명	DM74LS249N

상세설명	BCD to 7-Segment Decoder with Open-Collector Outputs

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제조업체	NSC [National Semiconductor (TI)]

홈페이지	http://www.national.com

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Absolute Maximum Ratings (Note)

Supply Voltage

7V

Input Voltage

7V

Operating Free Air Temperature Range

0 Cto a70 C

Storage Temperature Range

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

Parameter

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 (BI RBO)

b

025

mA

IOL

Low Level Output Current

8

mA

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 II eb18 mA

b

15

V

VOH

High Level Output Voltage

VCC e Min IOH e Max

27

34

V

(BI RBO)VIL e Max

ICEX

High Level Output Current

VCC e Min VO e 55V

250

m

A

(a thru g)

VOL

Low Level Output Voltage

VCC e Min IOL e Max

035

05

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

Inputs

b

04

mA

BI RBO

b

12

IOS

Short Circuit Output Current

VCC e Max (Note 2)

b

03

b

20

mA

ICC

Supply Current

VCC e Max VIN e 45V

15

mA

Note 1

All typicals are at VCC e 5V TA e 25 C

Note 2

Not more than one output should be shorted at a time and the duration should not exceed one second

2

유사한 부품 번호 - DM74LS249N

제조업체	부품명	데이터시트	상세설명
Fairchild Semiconductor	DM74LS240	72Kb / 7P	Octal 3-STATE Buffer/Line Driver/Line Receiver
National Semiconductor ...	DM74LS240	102Kb / 3P	Octal TRI-STATE Buffers/Line Drivers/Line Receivers
National Semiconductor ...	DM74LS240N	142Kb / 6P	Octal TRI-STATE Buffers/Line Drivers/Line Receivers
Fairchild Semiconductor	DM74LS240N	72Kb / 7P	Octal 3-STATE Buffer/Line Driver/Line Receiver
National Semiconductor ...	DM74LS240N	102Kb / 3P	Octal TRI-STATE Buffers/Line Drivers/Line Receivers

More results

유사한 설명 - DM74LS249N

제조업체	부품명	데이터시트	상세설명
Fairchild Semiconductor	DM74LS47	67Kb / 6P	BCD to 7-Segment Decoder/Driver with Open-Collector Outputs
National Semiconductor ...	54LS247	66Kb / 3P	BCD TO 7-SEGMENT DECODER/DRIVER WITH OPEN-COLLECTOR OUTPUTS
Fairchild Semiconductor	DM74LS247	81Kb / 4P	BCD to 7-Segment Decoder/Driver with Open-Collector Outputs
National Semiconductor ...	DM54LS447	126Kb / 6P	BCD to 7-Segment Decoder/Driver with Open-Collector Outputs
Fairchild Semiconductor	DM74LS47	203Kb / 8P	BCD to 7-Segment Decoder/Driver with Open-Collector Outputs
Hitachi Semiconductor	HD74LS49	66Kb / 5P	BCD-to-Seven Segment Decoder Driver(with Open collector outputs)
Fairchild Semiconductor	DM9370	58Kb / 5P	7-Segment Decoder/Driver/Latch with Open-Collector Outputs
Hitachi Semiconductor	HD74LS249	94Kb / 7P	BCD-to-Seven-Segment Decoders/Drivers(with open collector outputs)
Fairchild Semiconductor	MM74C48	57Kb / 6P	BCD-to-7 Segment Decoder
National Semiconductor ...	74LS48	116Kb / 6P	BCD to 7-Segment Decoder

More results

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