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74HC112; 74HCT112

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

The 74HC112; 74HCT112 is a dual negative-edge triggered JK flip-flop. It features individual J and K inputs, clock (nCP) set (nSD) and reset (nRD) inputs. It also has complementary nQ and nQ 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 HIGH-to-LOW clock transition for predictable operation. Inputs include clamp diodes that enable 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

  • Input levels:

    • For 74HC112: CMOS level

    • For 74HCT112: TTL level

  • Asynchronous set and reset

  • Specified in compliance with JEDEC standard no. 7A

  • 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
74HC112DProduction2.0 - 6.0CMOS± 5.21566low-40~125762.434SO16
74HC112PWProduction2.0 - 6.0CMOS± 5.21766low-40~1251091.036.7TSSOP16
74HCT112DProduction4.5 - 5.5TTL± 41970low-40~125751.733SO16
74HCT112PWProduction4.5 - 5.5TTL± 41970low-40~1251091.036.7TSSOP16

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))
74HC112D
SO16
(SOT109-1)
SOT109-1SO-SOJ-REFLOW
SO-SOJ-WAVE
SOT109-1_653Active74HC112D74HC112D,653
( 9337 144 90653 )
74HC112PW
TSSOP16
(SOT403-1)
SOT403-1SSOP-TSSOP-VSO-WAVE
SOT403-1_118ActiveHC11274HC112PW,118
( 9351 983 00118 )
74HCT112D
SO16
(SOT109-1)
SOT109-1SO-SOJ-REFLOW
SO-SOJ-WAVE
SOT109-1_653Active74HCT112D74HCT112D,653
( 9337 149 70653 )
74HCT112PW
TSSOP16
(SOT403-1)
SOT403-1SSOP-TSSOP-VSO-WAVE
SOT403-1_118ActiveHCT11274HCT112PW,118
( 9351 984 90118 )

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
74HC112D9337144906522021-12-312022-06-3074HC112D
    74HC112PW9351983001122021-12-312022-06-3074HC112PW
      74HCT112D9337149706522021-12-312022-06-3074HCT112D
        74HCT112PW9351984901122021-12-312022-06-3074HCT112PW

          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
          74HC112D74HC112D,65374HC112Dweek 6, 2004
          74HC112PW74HC112PW,11874HC112PWweek 10, 2005
          74HCT112D74HCT112D,65374HCT112Dweek 6, 2004
          74HCT112PW74HCT112PW,11874HCT112PWweek 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_HCT112Dual JK flip-flop with set and reset; negative-edge triggerData sheet2024-01-15
          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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