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74AHCT240

Octal buffer/line driver; inverting; 3-state

The 74AHCT240 is an 8-bit inverting buffer/line driver with 3-state outputs. This device can be used as two 4-bit buffers or one 8-bit buffer. It features two output enables (1OE and 2OE), each controlling four of the 3-state outputs. A HIGH on nOE causes the outputs to assume a high-impedance OFF-state. Inputs are over voltage tolerant. This feature allows the use of these devices as translators in mixed voltage environments.

特性

  • Balanced propagation delays

  • All inputs have a Schmitt-trigger action

  • Inputs accepts voltages higher than VCC

  • Operates with TTL input levels

  • ESD protection:

    • HBM: ANSI/ESDA/JEDEC JS-001 class 2 exceeds 2000 V

    • CDM: ANSI/ESDA/JEDEC JS-002 class C3 exceeds 1000 V

  • Multiple package options

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

参数类型

Type numberProduct statusVCC (V)Logic switching levelsOutput drive capability (mA)fmax (MHz)Nr of bitsPower dissipation considerationsTamb (°C)Rth(j-a) (K/W)Rth(j-c) (K/W)Package name
74AHCT240BQProduction4.5 - 5.5TTL± 8608low-40~1257850DHVQFN20
74AHCT240DProduction4.5 - 5.5TTL± 8608low-40~1258561SO20
74AHCT240PWProduction4.5 - 5.5TTL± 8608low-40~12510044.6TSSOP20

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)）
74AHCT240BQ
DHVQFN20
(SOT764-1) 		SOT764-1SOT764-1_115ActiveAHCT24074AHCT240BQ,115
( 9352 826 27115 )
74AHCT240D
SO20
(SOT163-1) 		SOT163-1WAVE_BG-BD-1
SOT163-1_118Active74AHCT240D74AHCT240D,118
( 9352 826 28118 )
74AHCT240PW
TSSOP20
(SOT360-1) 		SOT360-1SSOP-TSSOP-VSO-WAVE
SOT360-1_118ActiveAHCT24074AHCT240PW,118
( 9352 826 29118 )

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
74AHCT240D9352826281122018-12-312019-06-3074AHCT240D
    74AHCT240PW9352826291122021-12-312022-06-3074AHCT240PW

      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
      74AHCT240BQ74AHCT240BQ,11574AHCT240BQAlways Pb-free
      74AHCT240D74AHCT240D,11874AHCT240DAlways Pb-free
      74AHCT240PW74AHCT240PW,11874AHCT240PWAlways Pb-free
      品质及可靠性免责声明

      文档 (8)

      文件名称标题类型日期
      74AHCT240Octal buffer/line driver; inverting; 3-stateData sheet2023-10-03
      ahct240ahct240 IBIS modelIBIS model2013-04-07
      Nexperia_Selection_guide_2023Nexperia Selection Guide 2023Selection guide2023-05-10
      SOT764-1plastic, leadless dual in-line compatible thermal enhanced very thin quad flat package; 20 terminals; 0.5 mm pitch; 4.5 mm x 2.5 mm x 1 mm bodyPackage information2022-06-21
      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

      支持

      如果您需要设计/技术支持，请告知我们并填写 应答表, 我们会尽快回复您。

      模型

      文件名称标题类型日期
      ahct240ahct240 IBIS modelIBIS model2013-04-07

      订购、定价与供货

      样品

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