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SN54LS377J - Texas Instruments

Description: Flip Flops Octal D-type Flip-Flops With Enable 20-CDIP -55 to 125

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SN54LS377J - Texas Instruments PCB footprint - Ceramic Dual-In-Line Packages - Ceramic Dual-In-Line Packages - J(R-GDIP-T20
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SN54LS377J Details

  • Manufacturer Part Number:

    SN54LS377J

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    DIP

  • Pin Count:

    20

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Additional Feature:

    WITH HOLD MODE

  • Family:

    LS

  • JESD-30 Code:

    R-GDIP-T20

  • JESD-609 Code:

    e0

  • Length:

    24.2 mm

  • Load Capacitance (CL):

    15 pF

  • Logic IC Type:

    D FLIP-FLOP

  • Max Frequency@Nom-Sup:

    30000000 Hz

  • Max I(ol):

    0.008 A

  • Number of Bits:

    8

  • Number of Functions:

    8

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -55 °C

  • Output Polarity:

    TRUE

  • Package Body Material:

    CERAMIC, GLASS-SEALED

  • Package Code:

    DIP

  • Package Equivalence Code:

    DIP20,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Packing Method:

    TUBE

  • Power Supply Current-Max (ICC):

    28 mA

  • Prop. Delay@Nom-Sup:

    27 ns

  • Propagation Delay (tpd):

    27 ns

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    5.08 mm

  • Supply Voltage-Max (Vsup):

    5.5 V

  • Supply Voltage-Min (Vsup):

    4.5 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    NO

  • Technology:

    TTL

  • Temperature Grade:

    MILITARY

  • Terminal Finish:

    Tin/Lead (Sn/Pb)

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

  • Trigger Type:

    POSITIVE EDGE

  • Width:

    6.92 mm

  • fmax-Min:

    35 MHz

SN54LS377J Frequently Asked Questions (FAQs)

  • The maximum clock frequency of the SN54LS377J is 25 MHz, but it can vary depending on the specific application and operating conditions.
  • To ensure proper power and decoupling, use a 5V power supply, decouple the power pins with 0.1uF and 10uF capacitors, and use a 10kΩ pull-up resistor on the clock input.
  • The SN54LS377J can sink up to 24mA and source up to 12mA per output pin, but it's recommended to limit the current to 10mA per pin to ensure reliable operation.
  • The asynchronous reset input (R) should be tied to VCC through a 1kΩ resistor and a 0.1uF capacitor to ensure proper reset operation.
  • Use a four-layer PCB with a solid ground plane, keep signal traces short and away from power traces, and use 50Ω impedance-controlled traces for clock and data lines.

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SN54LS377J 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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Image Part Number Model
Part Image 74LS377N NXP Semiconductors

D Flip-Flop, LS Series, 1-Func, Positive Edge Triggered, 8-Bit, True Output, TTL, PDIP20

Part Image 74LS377N Philips Semiconductors

D Flip-Flop, LS Series, 1-Func, Positive Edge Triggered, 8-Bit, True Output, TTL, PDIP20

Part Image SN74LS377N-00 Texas Instruments

D Flip-Flop, LS Series, 1-Func, Positive Edge Triggered, 8-Bit, True Output, TTL, PDIP20

Part Image M38510/32504BRA Motorola Semiconductor Products

D Flip-Flop, LS Series, 1-Func, Positive Edge Triggered, 1-Bit, True Output, TTL, CDIP20

Part Image GD74LS377J Goldstar Electron Co Ltd

D Flip-Flop, CDIP20

For a full list of alternate parts for SN54LS377J, check out Findchips.com