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74HC4351; 74HCT4351

8-channel analog multiplexer/demultiplexer with latch

The 74HC4351; 74HCT4351 is a single-pole octal-throw analog switch (SP8T) suitable for use in analog or digital 8:1 multiplexer/demultiplexer applications. The switch features three digital select inputs (S0 to S2), eight independent inputs/outputs (Yn), a common input/output (Z) and two digital enable inputs (E1 and E2). With E1 LOW and E2 HIGH, one of the eight switches is selected (low impedance ON-state) by S0 to S2. The data at the select inputs may be latched by using the latch enable input (LE). When LE is HIGH the latch is transparent. When E1 is HIGH or E2 is LOW all 8 analog switches are turned off. Inputs include clamp diodes. This enables the use of current limiting resistors to interface inputs to voltages in excess of VCC.

特性

  • Wide analog input voltage range from -5 V to +5 V

  • Complies with JEDEC standard no. 7A

  • Low ON resistance:

    • 80 Ω (typical) at VCC - VEE = 4.5 V

    • 70 Ω (typical) at VCC - VEE = 6.0 V

    • 60 Ω (typical) at VCC - VEE = 9.0 V

  • Logic level translation: to enable 5 V logic to communicate with ±5 V analog signals

  • Typical ‘break before make’ built-in

  • Address latches provided

  • ESD protection:

    • HBM JESD22-A114F exceeds 2000 V

    • MM JESD22-A115-A exceeds 200 V

    • CDM JESD22-C101E exceeds 1000 V

  • Specified from -40 °C to +85 °C and -40 °C to +125 °C

目标应用

  • Analog multiplexing and demultiplexing

  • Digital multiplexing and demultiplexing

  • Signal gating

参数类型

Type numberProduct statusConfigurationVCC (V)Logic switching levelsRON (Ω)RON(FLAT) (Ω)f(-3dB) (MHz)THD (%)Power dissipation considerationsTamb (°C)Rth(j-a) (K/W)Ψth(j-top) (K/W)Rth(j-c) (K/W)Package name
74HC4351DProductionSP8T-Z2.0 - 10.0CMOS200201800.02very low-40~1257517.651SO20
74HC4351PWProductionSP8T-Z2.0 - 10.0CMOS200201800.02very low-40~125942.837TSSOP20
74HCT4351DProductionSP8T-Z4.5 - 5.5TTL225201700.04very low-40~1257517.651SO20

封装

型号封装尺寸版本回流焊/波峰焊包装状态标示可订购的器件编号，（订购码(12NC)）
74HC4351D
SO20
(SOT163-1) 		SOT163-1WAVE_BG-BD-1
SOT163-1_653Active74HC4351D74HC4351D,653
( 9337 717 00653 )
74HC4351PW
TSSOP20
(SOT360-1) 		SOT360-1SSOP-TSSOP-VSO-WAVE
SOT360-1_118Active4HC435174HC4351PWJ
( 9356 912 18118 )
74HCT4351D
SO20
(SOT163-1) 		SOT163-1WAVE_BG-BD-1
SOT163-1_118Active74HCT4351D74HCT4351D,118
( 9337 746 00118 )

下表中的版本已停产。参见表 停产信息 了解更多信息。

型号封装尺寸版本回流焊/波峰焊包装状态标示可订购的器件编号，（订购码(12NC)）
74HC4351D
SO20
(SOT163-1) 		SOT163-1WAVE_BG-BD-1
SOT163-1_652Withdrawn / End-of-life74HC4351D74HC4351D,652
( 9337 717 00652 )

停产信息

型号可订购的器件编号，（订购码(12NC)）最后一次购买日期最后一次交货日期替代产品状态备注
74HC4351D9337717006522021-12-312022-06-3074HC4351D
    74HCT4351D9337746001122021-12-312022-06-3074HCT4351D

      环境信息

      型号可订购的器件编号化学成分RoHSRHF指示符无铅转换日期
      74HC4351D74HC4351D,65374HC4351Dweek 13, 2005
      74HC4351PW74HC4351PWJ74HC4351PW
      74HCT4351D74HCT4351D,11874HCT4351Dweek 30, 2004

      下表中的版本已停产。参见表 停产信息 了解更多信息。

      型号可订购的器件编号化学成分RoHSRHF指示符无铅转换日期
      74HC4351D74HC4351D,65274HC4351Dweek 13, 2005
      品质及可靠性免责声明

      文档 (7)

      文件名称标题类型日期
      74HC_HCT43518-channel analog multiplexer/demultiplexer with latchData sheet2023-11-02
      AN11044Pin FMEA 74HC/74HCT familyApplication note2019-01-09
      HCT_USER_GUIDEHC/T User GuideUser manual1997-10-31
      SSOP-TSSOP-VSO-WAVEFootprint for wave solderingWave soldering2009-10-08
      SOT360-1plastic, thin shrink small outline package; 20 leads; 0.65 mm pitch; 6.5 mm x 4.4 mm x 1.1 mm bodyPackage information2022-06-21
      SOT163-1plastic, small outline package; 20 leads; 1.27 mm pitch; 12.8 mm x 7.5 mm x 2.65 mm bodyPackage information2022-06-20
      WAVE_BG-BD-1Wave soldering profileWave soldering2021-09-08

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