Part Image

SN74LS642-1N - Texas Instruments

Description: Octal bus transceivers with open collector outputs

Download SN74LS642-1N 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
SN74LS642-1N - Texas Instruments PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - N (R-PDIP-T20)
click to zoom
3D Models
SN74LS642-1N - Texas Instruments  - 3D model - Dual-In-Line Packages - N (R-PDIP-T20)
click to zoom

SN74LS642-1N Details

  • Manufacturer Part Number:

    SN74LS642-1N

  • Brand Name:

    Texas Instruments

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    DIP

  • Pin Count:

    20

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Additional Feature:

    WITH DIRECTION CONTROL

  • Control Type:

    COMMON CONTROL

  • Count Direction:

    BIDIRECTIONAL

  • Family:

    LS

  • JESD-30 Code:

    R-PDIP-T20

  • JESD-609 Code:

    e4

  • Length:

    25.4 mm

  • Load Capacitance (CL):

    45 pF

  • Logic IC Type:

    BUS TRANSCEIVER

  • Max I(ol):

    0.024 A

  • Number of Bits:

    8

  • Number of Functions:

    8

  • Number of Ports:

    2

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    70 °C

  • Output Characteristics:

    OPEN-COLLECTOR

  • Output Polarity:

    INVERTED

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    DIP

  • Package Equivalence Code:

    DIP20,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Packing Method:

    TUBE

  • Power Supply Current-Max (ICC):

    95 mA

  • Prop. Delay@Nom-Sup:

    25 ns

  • Propagation Delay (tpd):

    25 ns

  • Qualification Status:

    Not Qualified

  • Schmitt Trigger:

    NO

  • Seated Height-Max:

    5.08 mm

  • Supply Voltage-Max (Vsup):

    5.25 V

  • Supply Voltage-Min (Vsup):

    4.75 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    NO

  • Technology:

    TTL

  • Temperature Grade:

    COMMERCIAL

  • Terminal Finish:

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

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

  • Width:

    7.62 mm

SN74LS642-1N Frequently Asked Questions (FAQs)

  • The maximum operating frequency of the SN74LS642-1N is typically around 30-40 MHz, but it can vary depending on the specific application and operating conditions.
  • It is recommended to power up the VCC pin before the input signals, and power down the VCC pin after the input signals. This ensures that the device is properly initialized and avoids any potential latch-up or damage.
  • The recommended operating temperature range for the SN74LS642-1N is 0°C to 70°C. However, the device can operate up to 85°C with reduced performance and reliability.
  • It is recommended to use a 0.1 μF ceramic capacitor between the VCC pin and GND pin, and a 10 μF electrolytic capacitor between the VCC pin and GND pin, to ensure proper decoupling and noise reduction.
  • The maximum input voltage that can be applied to the SN74LS642-1N is 5.5V. Exceeding this voltage can cause damage to the device.

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

SN74LS642-1N Overview

Use the download button to access the SN74LS642-1N 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 Bus Driver/Transceivers

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 SN74LS642-1N

Showing 0 results

SN74LS642-1N Alternates

Showing results

Image Part Number Model
Part Image SN74LS642N3 Rochester Electronics LLC

LS SERIES, 8-BIT TRANSCEIVER, INVERTED OUTPUT, PDIP20

Part Image HD74LS642P Hitachi Ltd

Bus Transceiver, LS Series, 1-Func, 8-Bit, Inverted Output, TTL, PDIP20

Part Image HD74LS642-1P Hitachi Ltd

Bus Transceiver, LS Series, 1-Func, 8-Bit, Inverted Output, TTL, PDIP20

Part Image SN74LS642ND Motorola Semiconductor Products

Bus Transceiver, LS Series, 1-Func, 8-Bit, Inverted Output, TTL, PDIP20

Part Image SN74LS642-1J Texas Instruments

Bus Transceiver, LS Series, 1-Func, 8-Bit, Inverted Output, TTL, CDIP20

For a full list of alternate parts for SN74LS642-1N, check out Findchips.com