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74HC109; 74HCT109

Dual JK flip-flop with set and reset; positive-edge-trigger

The 74HC109; 74HCT109 is a dual positive edge triggered JK flip-flop featuring individual J and K inputs, clock (CP) inputs, set (SD) and reset (RD) inputs and complementary Q and Q outputs. The set and reset are asynchronous active LOW inputs and operate independently of the clock input. The J and K inputs control the state changes of the flip-flops as described in the mode select function table. The J and K inputs must be stable one set-up time prior to the LOW-to-HIGH clock transition for predictable operation. The JK design allows operation as a D-type flip-flop by connecting the J and K inputs together. This device features reduced input threshold levels to allow interfacing to TTL logic levels. Inputs also include clamp diodes, this enables the use of current limiting resistors to interface inputs to voltages in excess of VCC.

Schmitt-trigger action in the clock input makes the circuit highly tolerant to slower clock rise and fall times.

特性

  • J and K inputs for easy D-type flip-flop

  • Toggle flip-flop or "do nothing" mode

  • Wide supply voltage range:

    • For 74HC109: from 2.0 V to 6.0 V

    • For 74HCT109: from 4.5 V to 5.5 V

  • CMOS low power dissipation

  • High noise immunity

  • Input levels:

    • For 74HC109: CMOS level

    • For 74HCT109: TTL level

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

  • 74HC109 complies with JEDEC standards:

    • JESD8C (2.7 V to 3.6 V)

    • JESD7A (2.0 V to 6.0 V)

  • 74HCT109 complies with JEDEC standard 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)Power dissipation considerationsTamb (°C)Rth(j-a) (K/W)Ψth(j-top) (K/W)Rth(j-c) (K/W)Package name
74HC109DProduction2.0 - 6.0CMOS± 5.21575low-40~125866.644SO16
74HC109PWProduction2.0 - 6.0CMOS± 5.21575low-40~1251193.248.1TSSOP16
74HCT109DProduction4.5 - 5.5TTL± 41761low-40~125866.644SO16
74HCT109PWProduction4.5 - 5.5TTL± 41761low-40~1251193.248.1TSSOP16

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)）
74HC109D
SO16
(SOT109-1) 		SOT109-1SO-SOJ-REFLOW
SO-SOJ-WAVE
SOT109-1_653Active74HC109D74HC109D,653
( 9337 144 80653 )
74HC109PW
TSSOP16
(SOT403-1) 		SOT403-1SSOP-TSSOP-VSO-WAVE
SOT403-1_118Active74HC10974HC109PWJ
( 9356 912 05118 )
74HCT109D
SO16
(SOT109-1) 		SOT109-1SO-SOJ-REFLOW
SO-SOJ-WAVE
SOT109-1_653Active74HCT109D74HCT109D,653
( 9337 149 60653 )
74HCT109PW
TSSOP16
(SOT403-1) 		SOT403-1SSOP-TSSOP-VSO-WAVE
SOT403-1_118ActiveHCT10974HCT109PW,118
( 9351 863 30118 )

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
74HC109D9337144806522021-12-312022-06-3074HC109D
    74HCT109D9337149606522021-12-312022-06-3074HCT109D
      74HCT109PW9351863301122021-12-312022-06-3074HCT109PW

        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
        74HC109D74HC109D,65374HC109Dweek 6, 2004
        74HC109PW74HC109PWJ74HC109PW
        74HCT109D74HCT109D,65374HCT109Dweek 6, 2004
        74HCT109PW74HCT109PW,11874HCT109PWweek 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_HCT109Dual JK flip-flop with set and reset; positive-edge-triggerData sheet2024-02-21
        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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