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74HC374; 74HCT374

Octal D-type flip-flop; positive edge-trigger; 3-state

The 74HC374; 74HCT374 is an octal positive-edge triggered D-type flip-flop with 3-state outputs. The device features a clock (CP) and output enable (OE) inputs. The flip-flops will store the state of their individual D-inputs that meet the set-up and hold time requirements on the LOW-to-HIGH clock (CP) transition. A HIGH on OE causes the outputs to assume a high-impedance OFF-state. Operation of the OE input does not affect the state of the flip-flops. Inputs also include clamp diodes, this enables the use of current limiting resistors to interface inputs to voltages in excess of VCC.

特性

  • Wide supply voltage range from 2.0 to 6.0 V

  • CMOS low power dissipation

  • High noise immunity

  • Input levels:

    • For 74HC374: CMOS level

    • For 74HCT374: TTL level

  • Octal bus interface

  • Non-inverting 3-state outputs

  • 8-bit positive, edge-triggered register

  • Common 3-state output enable input

  • Independent register and 3-state buffer operation

  • Complies with JEDEC standards

    • JESD8C (2.7 V to 3.6 V)

    • JESD7A (2.0 V to 6.0 V)

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

  • ESD protection:

    • HBM JESD22-A114F exceeds 2000 V

    • MM JESD22-A115-A exceeds 200 V

  • Specified from -40 °C to +85 °C and -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
74HC374DProduction2.0 - 6.0CMOS± 7.81483low-40~1258527.261SO20
74HC374PWProduction2.0 - 6.0CMOS± 7.81483low-40~1251004.644.6TSSOP20
74HCT374DProduction4.5 - 5.5TTL± 61348low-40~1258527.261SO20
74HCT374PWProduction4.5 - 5.5TTL± 61348low-40~1251004.644.6TSSOP20

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)）
74HC374D
SO20
(SOT163-1) 		SOT163-1WAVE_BG-BD-1
SOT163-1_653Active74HC374D74HC374D,653
( 9337 134 80653 )
74HC374PW
TSSOP20
(SOT360-1) 		SOT360-1SSOP-TSSOP-VSO-WAVE
SOT360-1_118ActiveHC37474HC374PW,118
( 9351 748 60118 )
74HCT374D
SO20
(SOT163-1) 		SOT163-1WAVE_BG-BD-1
SOT163-1_653Active74HCT374D74HCT374D,653
( 9337 134 90653 )
74HCT374PW
TSSOP20
(SOT360-1) 		SOT360-1SSOP-TSSOP-VSO-WAVE
SOT360-1_118ActiveHCT37474HCT374PW,118
( 9351 748 80118 )

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)）
74HC374D
SO20
(SOT163-1) 		SOT163-1WAVE_BG-BD-1
SOT163-1_652Withdrawn / End-of-life74HC374D74HC374D,652
( 9337 134 80652 )
74HCT374D
SO20
(SOT163-1) 		SOT163-1WAVE_BG-BD-1
SOT163-1_652Withdrawn / End-of-life74HCT374D74HCT374D,652
( 9337 134 90652 )

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
74HC374D9337134806522021-12-312022-06-3074HC374D
    74HC374PW9351748601122021-12-312022-06-3074HC374PW
      74HCT374D9337134906522021-12-312022-06-3074HCT374D
        74HCT374PW9351748801122021-12-312022-06-3074HCT374PW

          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
          74HC374D74HC374D,65374HC374Dweek 30, 2004
          74HC374PW74HC374PW,11874HC374PWweek 17, 2005
          74HCT374D74HCT374D,65374HCT374Dweek 30, 2004
          74HCT374PW74HCT374PW,11874HCT374PWweek 17, 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
          74HC374D74HC374D,65274HC374Dweek 30, 2004
          74HCT374D74HCT374D,65274HCT374Dweek 30, 2004
          品质及可靠性免责声明

          文档 (7)

          文件名称标题类型日期
          74HC_HCT374Octal D-type flip-flop; positive edge-trigger; 3-stateData sheet2021-09-07
          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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