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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.

Features and benefits

  • 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 JESD22-A114F exceeds 2000 V
    • MM JESD22-A115-A exceeds 200 V
  • Specified from -40 °C to +85 °C and from -40 °C to +125 °C

Parametrics

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

Package

Type numberPackagePackage informationReflow-/Wave solderingPackingStatusMarkingOrderable part number, (Ordering code (12NC))
74HC112D
SO16
(SOT109-1)
SOT109-1SO-SOJ-REFLOW
SO-SOJ-WAVE
Reel 13" Q1/T1 CECCActive74HC112D74HC112D,653
( 9337 144 90653 )
74HC112PW
TSSOP16
(SOT403-1)
SOT403-1SSOP-TSSOP-VSO-WAVE
Reel 13" Q1/T1ActiveHC11274HC112PW,118
( 9351 983 00118 )
74HCT112D
SO16
(SOT109-1)
SOT109-1SO-SOJ-REFLOW
SO-SOJ-WAVE
Reel 13" Q1/T1 CECCActive74HCT112D74HCT112D,653
( 9337 149 70653 )
74HCT112PW
TSSOP16
(SOT403-1)
SOT403-1SSOP-TSSOP-VSO-WAVE
Reel 13" Q1/T1ActiveHCT11274HCT112PW,118
( 9351 984 90118 )

The variants in the table below are discontinued. See the table Discontinuation information for more information.

Type numberPackagePackage informationReflow-/Wave solderingPackingStatusMarkingOrderable part number, (Ordering code (12NC))
74HC112D
SO16
(SOT109-1)
SOT109-1SO-SOJ-REFLOW
SO-SOJ-WAVE
Bulk Pack, CECCDiscontinued / End-of-life74HC112D74HC112D,652
( 9337 144 90652 )
74HC112PW
TSSOP16
(SOT403-1)
SOT403-1SSOP-TSSOP-VSO-WAVE
Bulk PackDiscontinued / End-of-lifeHC11274HC112PW,112
( 9351 983 00112 )
74HCT112D
SO16
(SOT109-1)
SOT109-1SO-SOJ-REFLOW
SO-SOJ-WAVE
Bulk Pack, CECCDiscontinued / End-of-life74HCT112D74HCT112D,652
( 9337 149 70652 )
74HCT112PW
TSSOP16
(SOT403-1)
SOT403-1SSOP-TSSOP-VSO-WAVE
Bulk PackDiscontinued / End-of-lifeHCT11274HCT112PW,112
( 9351 984 90112 )

Discontinuation information

Type numberOrderable part number, (Ordering code (12NC))Last time buy dateLast time delivery dateReplacement productStatusComments
74HC112D933714490652
74HC112PW935198300112
74HCT112D933714970652
74HCT112PW935198490112

Quality, reliability & chemical content

Type numberOrderable part numberChemical contentRoHS / RHFLeadfree conversion dateEFRIFRMTBF (hour)MSLMSL leadfree
74HC112D74HC112D,65374HC112Dweek 6, 200439.31.37.69E811
74HC112PW74HC112PW,11874HC112PWweek 10, 200539.31.37.69E811
74HCT112D74HCT112D,65374HCT112Dweek 6, 200439.31.37.69E811
74HCT112PW74HCT112PW,11874HCT112PWweek 10, 200539.31.37.69E811

The variants in the table below are discontinued. See the table Discontinuation information for more information.

Type numberOrderable part numberChemical contentRoHS / RHFLeadfree conversion dateEFRIFRMTBF (hour)MSLMSL leadfree
74HC112D74HC112D,65274HC112Dweek 6, 200439.31.37.69E811
74HC112PW74HC112PW,11274HC112PWweek 10, 200539.31.37.69E811
74HCT112D74HCT112D,65274HCT112Dweek 6, 200439.31.37.69E811
74HCT112PW74HCT112PW,11274HCT112PWweek 10, 200539.31.37.69E811
Quality and reliability disclaimer

Documentation (9)

File nameTitleTypeDate
74HC_HCT112Dual JK flip-flop with set and reset; negative-edge triggerData sheet2021-01-11
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
SOT109-1plastic, small outline package; 16 leads; 1.27 mm pitch; 9.9 mm x 3.9 mm x 1.75 mm bodyPackage information2021-01-06
WAVE_BG-BD-1Wave soldering profileWave soldering2021-09-08
SSOP-TSSOP-VSO-WAVEFootprint for wave solderingWave soldering2009-10-08
SOT403-1plastic, thin shrink small outline package; 16 leads; 5 mm x 4.4 mm x 1.1 mm bodyPackage information2020-04-21

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