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74HC4040; 74HCT4040

12-stage binary ripple counter

The 74HC4040; 74HCT4040 is a 12-stage binary ripple counter with a clock input (CP), an overriding asynchronous master reset input (MR) and twelve parallel outputs (Q0 to Q11). The counter advances on the HIGH-to-LOW transition of CP. A HIGH on MR clears all counter stages and forces all outputs LOW, independent of the state of CP. Each counter stage is a static toggle flip-flop. Inputs include clamp diodes that enable the use of current limiting resistors to interface inputs to voltages in excess of VCC.

Features and benefits

  • 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

  • Complies with JEDEC standards:

    • JESD8C (2.7 V to 3.6 V)
    • JESD7A (2.0 V to 6.0 V)

  • Input levels:

    • For 74HC4040: CMOS level

    • For 74HCT4040: TTL level

  • ESD protection:

    • HBM: ANSI/ESDA/JEDEC JS-001 class 2 exceeds 2000 V
    • CDM: ANSI/ESDA/JEDEC JS-002 class C3 exceeds 1000 V

  • Multiple package options

  • Specified from -40 °C to +85 °C and from -40 °C to +125 °C

Applications

  • Frequency dividing circuits

  • Time delay circuits

  • Control counters

Parametrics

Type numberProduct statusVCC (V)Output drive capability (mA)Logic switching levelstpd (ns)Power dissipation considerationsTamb (°C)Rth(j-a) (K/W)Ψth(j-top) (K/W)Rth(j-c) (K/W)Package name
74HC4040BQProduction2.0 - 6.0± 5.2CMOS14low-40~125837.051DHVQFN16
74HC4040DProduction2.0 - 6.0± 5.2CMOS14low-40~125835.241SO16
74HC4040PWProduction2.0 - 6.0± 5.2CMOS14low-40~1251152.343.8TSSOP16
74HCT4040BQProduction4.5 - 5.5± 4TTL16low-40~125837.051DHVQFN16
74HCT4040DProduction4.5 - 5.5± 4TTL16low-40~125814.840.2SO16
74HCT4040PWProduction4.5 - 5.5± 4TTL16low-40~1251152.343.8TSSOP16

Package

Type numberPackagePackage informationReflow-/Wave solderingPackingStatusMarkingOrderable part number, (Ordering code (12NC))
74HC4040BQ
DHVQFN16
(SOT763-1) 		SOT763-1SOT763-1_115ActiveHC404074HC4040BQX
( 9352 786 52115 )
74HC4040D
SO16
(SOT109-1) 		SOT109-1SO-SOJ-REFLOW
SO-SOJ-WAVE
SOT109-1_653Active74HC4040D74HC4040D,653
( 9337 147 80653 )
74HC4040PW
TSSOP16
(SOT403-1) 		SOT403-1SSOP-TSSOP-VSO-WAVE
SOT403-1_118ActiveHC404074HC4040PW,118
( 9351 749 20118 )
74HCT4040BQ
DHVQFN16
(SOT763-1) 		SOT763-1SOT763-1_115ActiveHT404074HCT4040BQX
( 9352 786 53115 )
74HCT4040D
SO16
(SOT109-1) 		SOT109-1SO-SOJ-REFLOW
SO-SOJ-WAVE
SOT109-1_653Active74HCT4040D74HCT4040D,653
( 9337 152 60653 )
74HCT4040PW
TSSOP16
(SOT403-1) 		SOT403-1SSOP-TSSOP-VSO-WAVE
SOT403-1_118ActiveHCT404074HCT4040PW,118
( 9351 891 00118 )

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))
74HCT4040D
SO16
(SOT109-1) 		SOT109-1SO-SOJ-REFLOW
SO-SOJ-WAVE
SOT109-1_652Withdrawn / End-of-life74HCT4040D74HCT4040D,652
( 9337 152 60652 )

Discontinuation information

Type numberOrderable part number, (Ordering code (12NC))Last time buy dateLast time delivery dateReplacement productStatusComments
74HC4040D9337147806522021-12-312022-06-3074HC4040D
    74HC4040PW9351749201122021-12-312022-06-3074HC4040PW
      74HCT4040D9337152606522021-12-312022-06-3074HCT4040D
        74HCT4040PW9351891001122021-12-312022-06-3074HCT4040PW

          Environmental information

          Type numberOrderable part numberChemical contentRoHSRHF-indicatorLeadfree conversion date
          74HC4040BQ74HC4040BQX74HC4040BQAlways Pb-free
          74HC4040D74HC4040D,65374HC4040Dweek 30, 2004
          74HC4040PW74HC4040PW,11874HC4040PWweek 10, 2005
          74HCT4040BQ74HCT4040BQX74HCT4040BQAlways Pb-free
          74HCT4040D74HCT4040D,65374HCT4040Dweek 6, 2004
          74HCT4040PW74HCT4040PW,11874HCT4040PWweek 10, 2005

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

          Type numberOrderable part numberChemical contentRoHSRHF-indicatorLeadfree conversion date
          74HCT4040D74HCT4040D,65274HCT4040Dweek 6, 2004
          Quality and reliability disclaimer

          Documentation (11)

          File nameTitleTypeDate
          74HC_HCT404012-stage binary ripple counterData sheet2024-02-16
          AN11044Pin FMEA 74HC/74HCT familyApplication note2019-01-09
          hcHC/HCT Spice modelSPICE model2022-02-17
          HCT_USER_GUIDEHC/T User GuideUser manual1997-10-31
          SOT763-1plastic, leadless dual in-line compatible thermal enhanced very thin quad flat package; 16 terminals; 0.5 mm pitch; 3.5 mm x 2.5 mm x 1 mm bodyPackage information2023-05-11
          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

          Support

          If you are in need of design/technical support, let us know and fill in the answer form, we'll get back to you shortly.

          Models

          File nameTitleTypeDate
          hcHC/HCT Spice modelSPICE model2022-02-17

          Ordering, pricing & availability

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