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74AHC273; 74AHCT273

Octal D-type flip-flop with reset; positive-edge trigger

The 74AHC273; 74AHCT273 is an octal positive-edge triggered D-type flip-flop. The device features clock (CP) and master reset (MR) inputs. The outputs Qn will assume the state of their corresponding D inputs that meet the set-up and hold time requirements on the LOW-to-HIGH clock (CP) transition. A LOW on MR forces the outputs LOW independently of clock and data inputs. Inputs are overvoltage tolerant. This feature allows the use of these devices as translators in mixed voltage environments.

特性

  • Wide supply voltage range from 2.0 to 5.5 V

  • Overvoltage tolerant inputs to 5.5 V

  • High noise immunity

  • CMOS low power dissipation

  • Balanced propagation delays

  • All inputs have Schmitt-trigger actions

  • Ideal buffer for MOS microcontroller or memory

  • Common clock and master reset

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

  • Input levels:

    • For 74AHC273: CMOS level

    • For 74AHCT273: TTL level

  • 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)tpd (ns)fmax (MHz)Power dissipation considerationsTamb (°C)Rth(j-a) (K/W)Ψth(j-top) (K/W)Rth(j-c) (K/W)Package name
74AHC273BQProduction2.0 - 5.5CMOS± 84.2165low-40~125789.150DHVQFN20
74AHC273DProduction2.0 - 5.5CMOS± 84.2165low-40~1258527.361SO20
74AHC273PWProduction2.0 - 5.5CMOS± 84.2165low-40~1251004.644.7TSSOP20
74AHCT273BQProduction4.5 - 5.5TTL± 84.0120low-40~125789.150DHVQFN20
74AHCT273DProduction4.5 - 5.5TTL± 84.0120low-40~1258527.361SO20
74AHCT273PWProduction4.5 - 5.5TTL± 84.0120low-40~1251004.644.7TSSOP20

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)）
74AHC273BQ
DHVQFN20
(SOT764-1) 		SOT764-1SOT764-1_115ActiveAHC27374AHC273BQ,115
( 9352 730 49115 )
74AHC273D
SO20
(SOT163-1) 		SOT163-1WAVE_BG-BD-1
SOT163-1_118Active74AHC273D74AHC273D,118
( 9352 635 92118 )
74AHC273PW
TSSOP20
(SOT360-1) 		SOT360-1SSOP-TSSOP-VSO-WAVE
SOT360-1_118ActiveAHC27374AHC273PW,118
( 9352 635 93118 )
74AHCT273BQ
DHVQFN20
(SOT764-1) 		SOT764-1SOT764-1_115ActiveAHCT27374AHCT273BQ,115
( 9352 737 35115 )
74AHCT273D
SO20
(SOT163-1) 		SOT163-1WAVE_BG-BD-1
SOT163-1_118Active74AHCT273D74AHCT273D,118
( 9352 635 90118 )
74AHCT273PW
TSSOP20
(SOT360-1) 		SOT360-1SSOP-TSSOP-VSO-WAVE
SOT360-1_118ActiveAHCT27374AHCT273PW,118
( 9352 635 91118 )

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
74AHC273D9352635921122021-12-312022-06-3074AHC273D
    74AHC273PW9352635931122021-12-312022-06-3074AHC273PW
      74AHCT273D9352635901122018-12-312019-06-3074AHCT273D
        74AHCT273PW9352635911122018-12-312019-06-3074AHCT273PW

          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
          74AHC273BQ74AHC273BQ,11574AHC273BQAlways Pb-free
          74AHC273D74AHC273D,11874AHC273Dweek 30, 2004
          74AHC273PW74AHC273PW,11874AHC273PWweek 5, 2005
          74AHCT273BQ74AHCT273BQ,11574AHCT273BQAlways Pb-free
          74AHCT273D74AHCT273D,11874AHCT273Dweek 30, 2004
          74AHCT273PW74AHCT273PW,11874AHCT273PWweek 7, 2005
          品质及可靠性免责声明

          文档 (8)

          文件名称标题类型日期
          74AHC_AHCT273Octal D-type flip-flop with reset; positive-edge triggerData sheet2023-09-21
          ahct273ahct273 IBIS modelIBIS model2013-04-07
          ahc273ahc273 IBIS modelIBIS model2013-04-07
          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

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          模型

          文件名称标题类型日期
          ahct273ahct273 IBIS modelIBIS model2013-04-07
          ahc273ahc273 IBIS modelIBIS model2013-04-07

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