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SN74AHC74N - Texas Instruments

Description: Dual Positive-Edge-Triggered D-Type Flip-Flops With Clear and Preset

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SN74AHC74N - Texas Instruments PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - N (R-PDIP-T14)_2025
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SN74AHC74N - Texas Instruments  - 3D model - Dual-In-Line Packages - N (R-PDIP-T14)_2025
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SN74AHC74N Details

  • Manufacturer Part Number:

    SN74AHC74N

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    DIP

  • Pin Count:

    14

  • Country Of Origin:

    Malaysia, Mexico

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Family:

    AHC/VHC/H/U/V

  • JESD-30 Code:

    R-PDIP-T14

  • JESD-609 Code:

    e4

  • Length:

    19.305 mm

  • Load Capacitance (CL):

    50 pF

  • Logic IC Type:

    D FLIP-FLOP

  • Max Frequency@Nom-Sup:

    75000000 Hz

  • Max I(ol):

    0.008 A

  • Number of Bits:

    1

  • Number of Functions:

    2

  • Number of Terminals:

    14

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Polarity:

    COMPLEMENTARY

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    DIP

  • Package Equivalence Code:

    DIP14,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Packing Method:

    TUBE

  • Power Supply Current-Max (ICC):

    0.02 mA

  • Prop. Delay@Nom-Sup:

    10.5 ns

  • Propagation Delay (tpd):

    17.5 ns

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    5.08 mm

  • Supply Voltage-Max (Vsup):

    5.5 V

  • Supply Voltage-Min (Vsup):

    2 V

  • Supply Voltage-Nom (Vsup):

    3.3 V

  • Surface Mount:

    NO

  • Technology:

    CMOS

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Nickel/Palladium/Gold (Ni/Pd/Au)

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

  • Trigger Type:

    POSITIVE EDGE

  • Width:

    7.62 mm

  • fmax-Min:

    110 MHz

SN74AHC74N Frequently Asked Questions (FAQs)

  • The maximum clock frequency of the SN74AHC74N is 100 MHz, but it can vary depending on the operating conditions and the quality of the clock signal.
  • To ensure proper initialization, connect the preset (PRE) and clear (CLR) inputs to a valid logic level (either VCC or GND) through a pull-up or pull-down resistor. This will ensure that the flip-flops are set to a known state on power-up.
  • The recommended operating voltage range for the SN74AHC74N is 2.0 V to 5.5 V, with a typical operating voltage of 3.3 V or 5 V.
  • Yes, the SN74AHC74N is 5 V tolerant, meaning it can accept input voltages up to 5.5 V even when operating at a lower voltage such as 3.3 V. However, ensure that the input signals are within the recommended input voltage range to avoid any potential damage or malfunction.
  • The preset (PRE) and clear (CLR) inputs are asynchronous, meaning they can be asserted at any time, regardless of the clock signal. To avoid potential metastability issues, ensure that these inputs are synchronized with the clock signal or use a synchronizer circuit to ensure proper operation.

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SN74AHC74N Overview

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About Texas Instruments

Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.

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