Part Image

SN74HCT257DR - Texas Instruments

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

Download SN74HCT257DR 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
SN74HCT257DR - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - D (R-PDSO-G16)
click to zoom
3D Models
SN74HCT257DR - Texas Instruments  - 3D model - Small Outline Packages - D (R-PDSO-G16)
click to zoom

SN74HCT257DR Details

  • Manufacturer Part Number:

    SN74HCT257DR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC

  • Package Description:

    SOP-16

  • Pin Count:

    16

  • Country Of Origin:

    Malaysia, Mexico

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Family:

    HCT

  • 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):

    0.0052 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

  • Peak Reflow Temperature (Cel):

    260

  • Power Supply Current-Max (ICC):

    0.08 mA

  • Prop. Delay@Nom-Sup:

    38 ns

  • Propagation Delay (tpd):

    48 ns

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.75 mm

  • Supply Voltage-Max (Vsup):

    5.5 V

  • Supply Voltage-Min (Vsup):

    4.5 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

SN74HCT257DR Frequently Asked Questions (FAQs)

  • The maximum frequency of operation for the SN74HCT257DR is typically 40 MHz, but it can vary depending on the specific application and operating conditions.
  • To ensure signal integrity, use short signal traces, minimize impedance mismatches, and use termination resistors if necessary. Also, ensure that the power supply is clean and well-regulated.
  • The SN74HCT257DR is designed for 5V logic levels, but it can be used with 3.3V or 1.8V logic levels with some limitations. However, the output voltage levels may not be compatible with 3.3V or 1.8V logic, and the device may not meet its specified timing parameters.
  • To ensure proper operation, power up the VCC pin before applying any input signals. Also, ensure that the power supply is stable and well-regulated before applying any input signals.
  • The maximum current that the SN74HCT257DR can sink or source is typically 20 mA per output pin, but it can vary depending on the specific application and operating conditions.

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

SN74HCT257DR Overview

Use the download button to access the SN74HCT257DR 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 SN74HCT257DR

Showing 0 results

SN74HCT257DR Alternates

Showing results

Image Part Number Model
Part Image 74HCT257D Nexperia

Multiplexer, HCT Series, 4-Func, 2 Line Input, 1 Line Output, True Output, CMOS, PDSO16

Part Image SN74HCT257DE4 Texas Instruments

Multiplexer, HCT Series, 4-Func, 2 Line Input, 1 Line Output, True Output, CMOS, PDSO16

Part Image 933713650652 Nexperia

Multiplexer, HCT Series, 4-Func, 2 Line Input, 1 Line Output, True Output, CMOS, PDSO16

Part Image 74HCT257D-T Nexperia

Multiplexer, HCT Series, 4-Func, 2 Line Input, 1 Line Output, True Output, CMOS, PDSO16

Part Image DV74HCT257D avg Semiconductors

Multiplexer, HCT Series, 4-Func, 2 Line Input, 1 Line Output, True Output, CMOS, PDSO16

For a full list of alternate parts for SN74HCT257DR, check out Findchips.com