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74HC174DB

Hex D-type flip-flop with reset; positive-edge trigger

The 74HC174; 74HCT174 are hex positive edge-triggered D-type flip-flops with individual data inputs (Dn) and outputs (Qn). The common clock (CP) and master reset (MR) inputs load and reset all flip-flops simultaneously. The D-input that meets the set-up and hold time requirements on the LOW-to-HIGH clock transition is stored in the flip-flop and appears at the Q output. A LOW on MR causes the flip-flops and outputs to be reset LOW. Inputs include clamp diodes. This enables the use of current limiting resistors to interface inputs to voltages in excess of VCC.

This product has been discontinued, click here for discontinuation information and replacement parts.

Alternatives

Features and benefits

  • Wide supply voltage range from 2.0 to 6.0 V

  • CMOS low power dissipation

  • High noise immunity

  • Input levels:

    • For 74HC174: CMOS level

    • For 74HCT174: TTL level

  • Six edge-triggered D-type flip-flops

  • Asynchronous master reset

  • Complies with JEDEC standards

    • JESD8C (2.7 V to 3.6 V)

    • JESD7A (2.0 V to 6.0 V)

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

  • 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 -40 °C to +125 °C.

Parametrics

Type number Product status Package name
74HC174DB End of life SSOP16

PCB Symbol, Footprint and 3D Model

Model Name Description

Package

All type numbers in the table below are discontinued. See the table Discontinuation information for more information.

Type number Orderable part number, (Ordering code (12NC)) Status Marking Package Package information Reflow-/Wave soldering Packing
74HC174DB 74HC174DB,112
(935188580112)		 Obsolete no package information
74HC174DB,118
(935188580118)		 Obsolete

Environmental information

All type numbers in the table below are discontinued. See the table Discontinuation information for more information.

Type number Orderable part number Chemical content RoHS RHF-indicator
74HC174DB 74HC174DB,112 74HC174DB rohs rhf rhf
74HC174DB 74HC174DB,118 74HC174DB rohs rhf rhf
Quality and reliability disclaimer

Series

Documentation (3)

File name Title Type Date
74HC_HCT174 Hex D-type flip-flop with reset; positive-edge trigger Data sheet 2024-03-14
AN11044 Pin FMEA 74HC/74HCT family Application note 2019-01-09
HCT_USER_GUIDE HC/T User Guide User manual 1997-10-31

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Models

No documents available

PCB Symbol, Footprint and 3D Model

Model Name Description

How does it work?

The interactive datasheets are based on the Nexperia MOSFET precision electrothermal models. With our interactive datasheets you can simply specify your own conditions interactively. Start by changing the values of the conditions. You can do this by using the sliders in the condition fields. By dragging the sliders you will see how the MOSFET will perform at the new conditions set.

Interactive datasheet