Part Image

SN74LS273DW - Texas Instruments

Description: Texas Instruments SN74LS273DW, D Type Bus Interface Flip Flop, 4.75 → 5.25 V, 20-Pin SOIC

Download SN74LS273DW Model
Schematic
symbols
Schematic symbol is unavailable for download
PCB
footprints
PCB footprint is unavailable for download
3D
models
3D model is unavailable for download
PCB Footprints
SN74LS273DW - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - DW SOIC-1
click to zoom
3D Models
SN74LS273DW - Texas Instruments  - 3D model - Small Outline Packages - DW SOIC-1
click to zoom

SN74LS273DW Details

  • Manufacturer Part Number:

    SN74LS273DW

  • Brand Name:

    Texas Instruments

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOIC

  • Pin Count:

    20

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Family:

    LS

  • JESD-30 Code:

    R-PDSO-G20

  • JESD-609 Code:

    e4

  • Length:

    12.8 mm

  • Load Capacitance (CL):

    15 pF

  • Logic IC Type:

    D FLIP-FLOP

  • Max Frequency@Nom-Sup:

    30000000 Hz

  • Max I(ol):

    0.008 A

  • Moisture Sensitivity Level:

    1

  • Number of Bits:

    8

  • Number of Functions:

    8

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    70 °C

  • Output Polarity:

    TRUE

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP20,.4

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Packing Method:

    TUBE

  • Peak Reflow Temperature (Cel):

    260

  • Power Supply Current-Max (ICC):

    27 mA

  • Prop. Delay@Nom-Sup:

    27 ns

  • Propagation Delay (tpd):

    27 ns

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    2.65 mm

  • Supply Voltage-Max (Vsup):

    5.25 V

  • Supply Voltage-Min (Vsup):

    4.75 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    YES

  • Technology:

    TTL

  • Temperature Grade:

    COMMERCIAL

  • Terminal Finish:

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

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

  • Time@Peak Reflow Temperature-Max (s):

    30

  • Trigger Type:

    POSITIVE EDGE

  • Width:

    7.5 mm

  • fmax-Min:

    35 MHz

SN74LS273DW Frequently Asked Questions (FAQs)

  • The SN74LS273DW can handle clock frequencies up to 35 MHz.
  • To ensure proper initialization, connect the CLR (clear) input to a power-on reset circuit or a manual reset switch. This ensures that the flip-flops are reset to a known state during power-up.
  • The recommended operating voltage range for the SN74LS273DW is 4.75V to 5.25V.
  • No, the SN74LS273DW is not designed to operate at 3.3V. It is a 5V device and should only be used in systems with a 5V power supply.
  • The SN74LS273DW has TTL-compatible inputs and outputs, so it can be directly interfaced with most microcontrollers and logic devices. Ensure that the voltage levels and logic levels are compatible.

Trust Checks

This model has been provided by community users.
Community Provided
This model has been verified by system checks.
System Verified
This model has been reviewed by community users.
Community Approved
Sponsored

SN74LS273DW Overview

Use the download button to access the SN74LS273DW schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like SN74L, or try a keyword search, such as FF/Latches

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.

Parts related to SN74LS273DW

Showing 0 results

SN74LS273DW Alternates

Showing results

Image Part Number Model
Part Image SN74LS273DW Rochester Electronics LLC

D Flip-Flop, LS Series, 1-Func, Positive Edge Triggered, 8-Bit, True Output, TTL, PDSO20

Part Image 74LS273SC Fairchild Semiconductor Corporation

D Flip-Flop, LS Series, 1-Func, Positive Edge Triggered, 8-Bit, True Output, TTL, PDSO20

Part Image DM74LS273M Texas Instruments

D Flip-Flop, LS Series, 1-Func, Positive Edge Triggered, 8-Bit, True Output, TTL, PDSO20

Part Image N74LS273D Signetics

D Flip-Flop, LS Series, 1-Func, Positive Edge Triggered, 8-Bit, True Output, TTL, PDSO20

Part Image T74LS273M1 STMicroelectronics

D Flip-Flop, LS Series, 1-Func, Positive Edge Triggered, 8-Bit, True Output, TTL, PDSO20

For a full list of alternate parts for SN74LS273DW, check out Findchips.com