SN74LS138 datasheet(1/8 Pages) ONSEMI

部品番号	SN74LS138

部品情報	LOW POWER SCHOTTKY

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December, 1999 – Rev. 6

1

Publication Order Number:

SN74LS138/D

SN74LS138

1-of-8 Decoder/

Demultiplexer

The LSTTL / MSI SN74LS138 is a high speed 1-of-8 Decoder /

Demultiplexer. This device is ideally suited for high speed bipolar

memory chip select address decoding. The multiple input enables

allow parallel expansion to a 1-of-24 decoder using just three LS138

devices or to a 1-of-32 decoder using four LS138s and one inverter.

The LS138 is fabricated with the Schottky barrier diode process for

high speed and is completely compatible with all ON Semiconductor

TTL families.

• Demultiplexing Capability

• Multiple Input Enable for Easy Expansion

• Typical Power Dissipation of 32 mW

• Active Low Mutually Exclusive Outputs

• Input Clamp Diodes Limit High Speed Termination Effects

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

°C

IOH

Output Current – High

– 0.4

mA

IOL

Output Current – Low

8.0

mA

LOW

POWER

SCHOTTKY

Device

Package

Shipping

ORDERING INFORMATION

SN74LS138N

16 Pin DIP

2000 Units/Box

SN74LS138D

16 Pin

SOIC

D SUFFIX

CASE 751B

http://onsemi.com

2500/Tape & Reel

PLASTIC

N SUFFIX

CASE 648

16

1

16

1

同様の部品番号 - SN74LS138

メーカー	部品番号	データシート	部品情報
Texas Instruments	SN74LS138	691Kb / 17P	3-LINE TO 8-LINE DECODERS/DEMULTIPLEXERS
Texas Instruments	SN74LS138	828Kb / 25P	3-LINE TO 8-LINE DECORDERS/DEMULTIPLEXERS
ON Semiconductor	SN74LS138	81Kb / 8P	1-of-8 Decoder/ Demultiplexer October, 2001 ??Rev. 7
Texas Instruments	SN74LS138	1Mb / 23P	3-LINE TO 8-LINE DECODERS / DEMUL TIPLEXERS
Texas Instruments	SN74LS138	1Mb / 22P	3-LINE TO 8-LINE DECODERS/DEMULTIPLEXERS

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同様の説明 - SN74LS138

メーカー	部品番号	データシート	部品情報
ON Semiconductor	SN74LS04	72Kb / 4P	LOW POWER SCHOTTKY December, 1999 ??Rev. 6
	SN74LS08	75Kb / 4P	LOW POWER SCHOTTKY December, 1999 ??Rev. 6
	SN74LS109A	96Kb / 4P	LOW POWER SCHOTTKY December, 1999 ??Rev. 6
	SN74LS174	104Kb / 8P	LOW POWER SCHOTTKY December, 1999 ??Rev. 6
	SN74LS195A	137Kb / 8P	LOW POWER SCHOTTKY December, 1999 ??Rev. 6
	SN74LS221	120Kb / 8P	LOW POWER SCHOTTKY December, 1999 ??Rev. 6
	SN74LS257B	118Kb / 8P	LOW POWER SCHOTTKY December, 1999 ??Rev. 6
	SN74LS260	76Kb / 4P	LOW POWER SCHOTTKY December, 1999 ??Rev. 6
	SN74LS273	117Kb / 8P	LOW POWER SCHOTTKY December, 1999 ??Rev. 6
	SN74LS42	107Kb / 8P	LOW POWER SCHOTTKY December, 1999 ??Rev. 6

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