Part Image

SN74HC257DR - Texas Instruments

Description: Quadruple 2-Line To 1-Line Data Selectors/Multiplexers With 3-State Outputs

Download SN74HC257DR 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
SN74HC257DR - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - 16 Ld SOIC
click to zoom
3D Models
SN74HC257DR - Texas Instruments  - 3D model - Small Outline Packages - 16 Ld SOIC
click to zoom

SN74HC257DR Details

  • Manufacturer Part Number:

    SN74HC257DR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC

  • Pin Count:

    16

  • Country Of Origin:

    Malaysia, Mexico

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Family:

    HC/UH

  • JESD-30 Code:

    R-PDSO-G16

  • JESD-609 Code:

    e4

  • Length:

    9.9 mm

  • Load Capacitance (CL):

    50 pF

  • Logic IC Type:

    MULTIPLEXER

  • Max I(ol):

    0.0078 A

  • Moisture Sensitivity Level:

    1

  • Number of Bits:

    2

  • Number of Functions:

    4

  • Number of Inputs:

    2

  • Number of Outputs:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Characteristics:

    3-STATE

  • Output Polarity:

    TRUE

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP16,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Packing Method:

    TR, 13 INCH

  • Peak Reflow Temperature (Cel):

    260

  • Power Supply Current-Max (ICC):

    0.08 mA

  • Prop. Delay@Nom-Sup:

    25 ns

  • Propagation Delay (tpd):

    125 ns

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.75 mm

  • Supply Voltage-Max (Vsup):

    6 V

  • Supply Voltage-Min (Vsup):

    2 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • 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

  • Width:

    3.9 mm

SN74HC257DR Frequently Asked Questions (FAQs)

  • The maximum clock frequency of the SN74HC257DR is typically 40 MHz, but it can vary depending on the specific application and operating conditions.
  • The SN74HC257DR requires a single 2-V to 6-V power supply, and it's essential to ensure that the power supply is clean and well-regulated to prevent noise and oscillations.
  • The propagation delay of the SN74HC257DR is typically around 10-15 ns, but it can vary depending on the specific application and operating conditions.
  • Yes, the SN74HC257DR is compatible with 3.3-V systems, and it can operate with a supply voltage as low as 2 V.
  • The enable inputs (E1 and E2) must be connected to a valid logic level (either high or low) to ensure proper operation of the device. Leaving them floating can cause unpredictable behavior.

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

SN74HC257DR Overview

Use the download button to access the SN74HC257DR schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like SN74H, or try a keyword search, such as Multiplexer/Demultiplexers

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 SN74HC257DR

Showing 0 results

SN74HC257DR Alternates

Showing results

Image Part Number Model
Part Image SN74HC257DTG4 Rochester Electronics LLC

Multiplexer, HC/UH Series, 4-Func, 2 Line Input, 1 Line Output, True Output, CMOS, PDSO16

Part Image 74HC257D,652 NXP Semiconductors

Multiplexer, HC/UH Series, 4-Func, 2 Line Input, 1 Line Output, True Output, CMOS, PDSO16

Part Image 74HC257D NXP Semiconductors

Multiplexer, HC/UH Series, 4-Func, 2 Line Input, 1 Line Output, True Output, CMOS, PDSO16

Part Image 74HC257D/T3 NXP Semiconductors

Multiplexer, HC/UH Series, 4-Func, 2 Line Input, 1 Line Output, True Output, CMOS, PDSO16

Part Image SN74HC257D3 Texas Instruments

Multiplexer, HC/UH Series, 4-Func, 2 Line Input, 1 Line Output, True Output, CMOS, PDSO16

For a full list of alternate parts for SN74HC257DR, check out Findchips.com