Part Image

CD74HC640E - Texas Instruments

Description: High Speed CMOS Logic Octal Inverting Bus Transceivers with 3-State Outputs

Download CD74HC640E 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
CD74HC640E - Texas Instruments PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - N (R-PDIP-T20)
click to zoom
3D Models
CD74HC640E - Texas Instruments  - 3D model - Dual-In-Line Packages - N (R-PDIP-T20)
click to zoom

CD74HC640E Details

  • Manufacturer Part Number:

    CD74HC640E

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • 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:

    HC/UH

  • JESD-30 Code:

    R-PDIP-T20

  • JESD-609 Code:

    e4

  • Length:

    25.4 mm

  • Load Capacitance (CL):

    50 pF

  • Logic IC Type:

    BUS TRANSCEIVER

  • Max I(ol):

    0.0078 A

  • Number of Bits:

    8

  • Number of Functions:

    8

  • Number of Ports:

    2

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -55 °C

  • Output Characteristics:

    3-STATE

  • 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):

    0.16 mA

  • Prop. Delay@Nom-Sup:

    20 ns

  • Propagation Delay (tpd):

    135 ns

  • Qualification Status:

    Not Qualified

  • Schmitt Trigger:

    NO

  • Seated Height-Max:

    5.08 mm

  • Supply Voltage-Max (Vsup):

    6 V

  • Supply Voltage-Min (Vsup):

    2 V

  • Supply Voltage-Nom (Vsup):

    6 V

  • Surface Mount:

    NO

  • Technology:

    CMOS

  • Temperature Grade:

    MILITARY

  • Terminal Finish:

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

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

  • Width:

    7.62 mm

CD74HC640E Frequently Asked Questions (FAQs)

  • The maximum frequency of operation for the CD74HC640E is 25 MHz, but it can vary depending on the specific application and operating conditions.
  • It is recommended to power up the VCC pin before the VEE pin, and power down the VEE pin before the VCC pin to prevent latch-up and ensure proper operation.
  • The recommended operating voltage range for the CD74HC640E is 2V to 6V, with a typical operating voltage of 5V.
  • It is recommended to use a termination resistor (e.g. 33 ohms) at the end of the transmission line to prevent signal reflections and ensure proper signal integrity.
  • Yes, the CD74HC640E can operate at 3.3V, but the output voltage swing will be reduced, and the device may not meet the specified propagation delay and transition time.

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

CD74HC640E Overview

Use the download button to access the CD74HC640E schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like CD74H, 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 CD74HC640E

Showing 0 results

CD74HC640E Alternates

Showing results

Image Part Number Model
Part Image SN74HC640N-00 Texas Instruments

Bus Transceiver, HC/UH Series, 1-Func, 8-Bit, Inverted Output, CMOS, PDIP20

Part Image M74HC640B1N STMicroelectronics

Bus Transceiver, HC/UH Series, 1-Func, 8-Bit, Inverted Output, CMOS, PDIP20

Part Image DV74HC640AN avg Semiconductors

Bus Transceiver, HC/UH Series, 1-Func, 8-Bit, Inverted Output, CMOS, PDIP20

Part Image GD54HC640 Goldstar Electron Co Ltd

Bus Transceiver, HC/UH Series, 1-Func, 8-Bit, Inverted Output, CMOS, PDIP20

Part Image GD54HC640J Goldstar Electron Co Ltd

Bus Transceiver, HC/UH Series, 1-Func, 8-Bit, Inverted Output, CMOS, CDIP20

For a full list of alternate parts for CD74HC640E, check out Findchips.com