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74HC166; 74HCT166

8-bit parallel-in/serial out shift register

The 74HC166; 74HCT166 is an 8-bit serial or parallel-in/serial-out shift register. The device features a serial data input (DS), eight parallel data inputs (D0 to D7) and a serial output (Q7). When the parallel enable input (PE) is LOW, the data from D0 to D7 is loaded into the shift register on the next LOW-to-HIGH transition of the clock input (CP). When PE is HIGH, data enters the register serially at DS with each LOW-to-HIGH transition of CP. When the clock enable input (CE) is LOW data is shifted on the LOW-to-HIGH transitions of CP. A HIGH on CE disables the CP input. Inputs include clamp diodes which enable the use of current limiting resistors to interface inputs to voltages in excess of VCC.

特性

  • Wide supply voltage range from 2.0 V to 6.0 V

  • CMOS low power dissipation

  • High noise immunity

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

  • Synchronous parallel-to-serial applications

  • Synchronous serial input for easy expansion

  • Input levels:

    • For 74HC166: CMOS level

    • For 74HCT166: TTL level

  • Complies with JEDEC standards:

    • JESD8C (2.7 V to 3.6 V)
    • JESD7A (2.0 V to 6.0 V)
  • ESD protection:
    • HBM: ANSI/ESDA/JEDEC JS-001 class 2 exceeds 2000 V

    • CDM: ANSI/ESDA/JEDEC JS-002 class C3 exceeds 1000 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)tpd (ns)fmax (MHz)Nr of bitsPower dissipation considerationsTamb (°C)Rth(j-a) (K/W)Ψth(j-top) (K/W)Rth(j-c) (K/W)Package name
74HC166DProduction2.0 - 6.0CMOS± 5.215638low-40~125741.232SO16
74HC166PWProduction2.0 - 6.0CMOS± 5.215638low-40~1251081.035.9TSSOP16
74HCT166DProduction4.5 - 5.5TTL± 423508low-40~125762.134SO16
74HCT166PWProduction4.5 - 5.5TTL± 423508low-40~1251081.036TSSOP16

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))
74HC166D
SO16
(SOT109-1)
SOT109-1SO-SOJ-REFLOW
SO-SOJ-WAVE
SOT109-1_653Active74HC166D74HC166D,653
( 9337 145 50653 )
74HC166PW
TSSOP16
(SOT403-1)
SOT403-1SSOP-TSSOP-VSO-WAVE
SOT403-1_118ActiveHC16674HC166PW,118
( 9351 889 60118 )
74HCT166D
SO16
(SOT109-1)
SOT109-1SO-SOJ-REFLOW
SO-SOJ-WAVE
SOT109-1_653Active74HCT166D74HCT166D,653
( 9337 150 30653 )
74HCT166PW
TSSOP16
(SOT403-1)
SOT403-1SSOP-TSSOP-VSO-WAVE
SOT403-1_118Active4HCT16674HCT166PWJ
( 9356 912 22118 )

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))
74HC166PW
TSSOP16
(SOT403-1)
SOT403-1SSOP-TSSOP-VSO-WAVE
SOT403-1_112Withdrawn / End-of-lifeHC16674HC166PW,112
( 9351 889 60112 )

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
74HC166D9337145506522021-12-312022-06-3074HC166D
    74HC166PW9351889601122021-12-312022-06-3074HC166PW
      74HCT166D9337150306522021-12-312022-06-3074HCT166D

        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
        74HC166D74HC166D,65374HC166Dweek 6, 2004
        74HC166PW74HC166PW,11874HC166PWweek 10, 2005
        74HCT166D74HCT166D,65374HCT166Dweek 6, 2004
        74HCT166PW74HCT166PWJ74HCT166PW

        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
        74HC166PW74HC166PW,11274HC166PWweek 10, 2005
        品质及可靠性免责声明

        文档 (9)

        文件名称标题类型日期
        74HC_HCT1668-bit parallel-in/serial out shift registerData sheet2024-03-11
        AN11044Pin FMEA 74HC/74HCT familyApplication note2019-01-09
        HCT_USER_GUIDEHC/T User GuideUser manual1997-10-31
        SO-SOJ-WAVEFootprint for wave solderingWave soldering2009-10-08
        SO-SOJ-REFLOWFootprint for reflow solderingReflow soldering2009-10-08
        WAVE_BG-BD-1Wave soldering profileWave soldering2021-09-08
        SOT109-1plastic, small outline package; 16 leads; 1.27 mm pitch; 9.9 mm x 3.9 mm x 1.75 mm bodyPackage information2023-11-07
        SOT403-1plastic, thin shrink small outline package; 16 leads; 5 mm x 4.4 mm x 1.2 mm bodyPackage information2023-11-08
        SSOP-TSSOP-VSO-WAVEFootprint for wave solderingWave soldering2009-10-08

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