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74LV244

Octal buffer/line driver; 3-state

The 74LV244 is an 8-bit buffer/line driver with 3-state outputs. The device can be used as two 4-bit buffers or one 8-bit buffer. The device 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 include clamp diodes. This enables the use of current limiting resistors to interface inputs to voltages in excess VCC.

特性

  • Wide supply voltage range from 1.0 to 5.5 V

  • CMOS low power dissipation

  • Latch-up performance exceeds 100 mA per JESD 78 Class II Level B

  • Optimized for low voltage applications: 1.0 V to 3.6 V

  • Accepts TTL input levels between VCC = 2.7 V and VCC = 3.6 V

  • Typical VOLP (output ground bounce) < 0.8 V at VCC = 3.3 V; Tamb = 25 °C

  • Typical VOHV (output VOH undershoot) > 2 V at VCC = 3.3 V; Tamb = 25 °C

  • Complies with JEDEC standards:

    • JESD8-7 (1.65 V to 1.95 V)
    • JESD8-5 (2.3 V to 2.7 V)
    • JESD8C (2.7 V to 3.6 V)
    • JESD36 (4.5 V to 5.5 V)

  • ESD protection:

    • HBM JESD22-A114F exceeds 2 kV

    • MM JESD22-A115-A exceeds 200 V

  • 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
74LV244DProduction1.0 - 5.5CMOS± 16308low-40~1257652SO20
74LV244PWProduction1.0 - 5.5CMOS± 16308low-40~1259438.3TSSOP20

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)）
74LV244D
SO20
(SOT163-1) 		SOT163-1WAVE_BG-BD-1
SOT163-1_118Active74LV244D74LV244D,118
( 9350 563 70118 )
74LV244PW
TSSOP20
(SOT360-1) 		SOT360-1SSOP-TSSOP-VSO-WAVE
SOT360-1_118ActiveLV24474LV244PW,118
( 9351 746 50118 )

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)）
74LV244D
SO20
(SOT163-1) 		SOT163-1WAVE_BG-BD-1
SOT163-1_112Withdrawn / End-of-life74LV244D74LV244D,112
( 9350 563 70112 )
74LV244PW
TSSOP20
(SOT360-1) 		SOT360-1SSOP-TSSOP-VSO-WAVE
SOT360-1_112Withdrawn / End-of-lifeLV24474LV244PW,112
( 9351 746 50112 )

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
74LV244D9350563701122021-12-312022-06-3074LV244D
    74LV244PW9351746501122021-12-312022-06-3074LV244PW

      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
      74LV244D74LV244D,11874LV244Dweek 30, 2004
      74LV244PW74LV244PW,11874LV244PWweek 7, 2005

      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
      74LV244D74LV244D,11274LV244Dweek 30, 2004
      74LV244PW74LV244PW,11274LV244PWweek 7, 2005
      品质及可靠性免责声明

      文档 (9)

      文件名称标题类型日期
      74LV244Octal buffer/line driver; 3-stateData sheet2021-09-24
      AN263Power considerations when using CMOS and BiCMOS logic devicesApplication note2023-02-07
      lv24474LV244 IBIS modelIBIS model2019-01-09
      Nexperia_Selection_guide_2023Nexperia Selection Guide 2023Selection guide2023-05-10
      lvlv Spice modelSPICE model2013-05-06
      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
      lv24474LV244 IBIS modelIBIS model2019-01-09
      lvlv Spice modelSPICE model2013-05-06

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