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SN74LS139A

雙路 2 線路至 4 線路解碼器/多路解復(fù)用器; ? Designed Specifically for High-Speed: \n - Memory Decoders\n? Data Transmission Systems\n? Two Fully Independent 2- to 4-Line Decoders/Demultiplexers\n? Schottky clamped for High Performance;

These Schottky-clamped TTL MSI 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 employed with high-speed memories utilizing a fast-enable circuit, the delay times of these decoders and the enable time of the memory are usually less than the typical access time of the memory. This means that the effective system delay introduced by the Schottky-clamped system decoder is negligible.\n The circuit comprises two individual two-line to four-line decoders in a single package. The active-low enable input can be used as a data line in demultiplexing applications.\n All of these decoders/demultiplexers feature fully buffered inputs, each of which represents only one normalized load to its driving circuit. All inputs are clamped with high-performance Schottky diodes to suppress line-ringing and to simplify system design. The SN54LS139A and SN54S139 are characterized for operation range of ?55°C to 125°C. The SN74LS139A and SN74S139A are characterized for operation from 0°C to 70°C.\n \n

TITexas Instruments

德州儀器美國德州儀器公司

SN74LS139A

DUAL 2-LINE TO 4-LINE DECODERS/DEMULTIPLEXERS

TITexas Instruments

德州儀器美國德州儀器公司

SN74LS139A

DUAL 2-LINE TO 4-LINE DECODERS/DEMULTIPLEXERS

TI1Texas Instruments

德州儀器美國德州儀器公司

SN74LS139AD

DUAL 2-LINE TO 4-LINE DECODERS/DEMULTIPLEXERS

TITexas Instruments

德州儀器美國德州儀器公司

SN74LS139AD

DUAL 2-LINE TO 4-LINE DECODERS/DEMULTIPLEXERS

TI1Texas Instruments

德州儀器美國德州儀器公司

SN74LS139ADE4

DUAL 2-LINE TO 4-LINE DECODERS/DEMULTIPLEXERS

TITexas Instruments

德州儀器美國德州儀器公司

SN74LS139ADE4

DUAL 2-LINE TO 4-LINE DECODERS/DEMULTIPLEXERS

TI1Texas Instruments

德州儀器美國德州儀器公司

SN74LS139ADG4

DUAL 2-LINE TO 4-LINE DECODERS/DEMULTIPLEXERS

TI1Texas Instruments

德州儀器美國德州儀器公司

SN74LS139ADR

DUAL 2-LINE TO 4-LINE DECODERS/DEMULTIPLEXERS

TITexas Instruments

德州儀器美國德州儀器公司

SN74LS139ADR

DUAL 2-LINE TO 4-LINE DECODERS/DEMULTIPLEXERS

TI1Texas Instruments

德州儀器美國德州儀器公司

技術(shù)參數(shù)

  • Technology Family：

    LS

  • VCC(Min)(V)：

    4.75

  • VCC(Max)(V)：

    5.25

  • Channels(#)：

    2

  • Voltage(Nom)(V)：

    5

  • F @ nom voltage(Max)(MHz)：

    35

  • ICC @ nom voltage(Max)(mA)：

    11

  • tpd @ nom Voltage(Max)(ns)：

    33

  • Configuration：

    2

  • Type：

    Standard

  • IOL(Max)(mA)：

    8

  • IOH(Max)(mA)：

    -0.4

  • Rating：

    Catalog

  • Operating temperature range(C)：

    0 to 70

  • Package Group：

    PDIP

  • Package size：

    mm2

  • 16)16SO：

    80 mm2

  • 16)16SOIC：

    59 mm2

  • Bits(#)：

    4

  • Digital input leakage(Max)(uA)：

    5

  • ESD CDM(kV)：

    0.75

  • ESD HBM(kV)：

    2

供應(yīng)商型號品牌批號封裝庫存備注價格
TI
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17+
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只做原裝進口,自己庫存
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TI德州儀器
22+
24000
原裝正品現(xiàn)貨,實單可談,量大價優(yōu)
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TI
23+
SOP16
20000
全新原裝假一賠十
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TMS
06+
PDIP
1000
自己公司全新庫存絕對有貨
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TI
25+
SOP16
1000
強調(diào)現(xiàn)貨,隨時查詢!
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TEXAS
24+
DIP16P
6868
原裝現(xiàn)貨,可開13%稅票
 詢價
TI
24+
PDIP
6000
進口原裝正品假一賠十,貨期7-10天
 詢價
更多SN74LS139A供應(yīng)商 更新時間2025-7-28 17:06:00

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