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首頁(yè)>DM74LS138SJ>規(guī)格書詳情

DM74LS138SJ中文資料仙童半導(dǎo)體數(shù)據(jù)手冊(cè)PDF規(guī)格書

DM74LS138SJ
廠商型號(hào)

DM74LS138SJ

功能描述

Decoder/Demultiplexer

文件大小

81.81 Kbytes

頁(yè)面數(shù)量

7 頁(yè)

生產(chǎn)廠商 Fairchild Semiconductor
企業(yè)簡(jiǎn)稱

FAIRCHILD仙童半導(dǎo)體

中文名稱

飛兆/仙童半導(dǎo)體公司官網(wǎng)

原廠標(biāo)識(shí)
FAIRCHILD
數(shù)據(jù)手冊(cè)

下載地址一下載地址二到原廠下載

更新時(shí)間

2025-8-1 20:07:00

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DM74LS138SJ規(guī)格書詳情

General Description

These Schottky-clamped circuits are designed to be used in high-performance memory-decoding or data-routing applications, requiring very short propagation delay times. In high-performance memory systems these decoders can be used to minimize the effects of system decoding. When used with high-speed memories, the delay times of these decoders are usually less than the typical access time of the memory. This means that the effective system delay introduced by the decoder is negligible.

特性 Features

■ Designed specifically for high speed: Memory decoders Data transmission systems

■ DM74LS138 3-to-8-line decoders incorporates 3 enable inputs to simplify cascading and/or data reception

■ DM74LS139 contains two fully independent 2-to-4-line decoders/demultiplexers

■ Schottky clamped for high performance

■Typical propagation delay (3 levels of logic) DM74LS138 21 ns DM74LS139 21 ns

■ Typical power dissipation DM74LS138 32 mW DM74LS139 34 mW

產(chǎn)品屬性

  • 型號(hào):

    DM74LS138SJ

  • 功能描述:

    編碼器、解碼器、復(fù)用器和解復(fù)用器 3-to-8 Line Dec/Dem

  • RoHS:

  • 制造商:

    Micrel

  • 產(chǎn)品:

    Multiplexers

  • 邏輯系列:

    CMOS

  • 線路數(shù)量(輸入/輸出):

    2/12

  • 傳播延遲時(shí)間:

    350 ps, 400 ps

  • 電源電壓-最大:

    2.625 V, 3.6 V

  • 電源電壓-最小:

    2.375 V, 3 V

  • 最大工作溫度:

    + 85 C

  • 安裝風(fēng)格:

    SMD/SMT

  • 封裝/箱體:

    QFN-44

  • 封裝:

    Tray

供應(yīng)商 型號(hào) 品牌 批號(hào) 封裝 庫(kù)存 備注 價(jià)格
NS
95+
3.9MM
164
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詢價(jià)
FAIRCHILD/仙童
24+
NA/
3280
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NAT
24+/25+
430
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NS
21+
3.9MM
169
原裝現(xiàn)貨假一賠十
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FSC
2015+
SOP
19889
一級(jí)代理原裝現(xiàn)貨,特價(jià)熱賣!
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FAIRCHILD
20+
SOP16
2960
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NSC
23+
原裝原封
8888
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FAI
25+23+
DIP
27658
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原廠
2020+
611
百分百原裝正品 真實(shí)公司現(xiàn)貨庫(kù)存 本公司只做原裝 可
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FAIRCHILD/仙童
22+
SOP16
8000
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