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SN74LS640N TI PDIP-20 Logic ICs

SN74LS640N Product Image

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  • Part Number
  • SN74LS640N
  • Brand
  • TI
  • Product Categories
  • Logic - Buffers, Drivers, Receivers, Transceivers
  • Package
  • PDIP-20
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The SN74LS640N from TI manufacturer is a Logic - Buffers, Drivers, Receivers, Transceivers with OCTAL BUS TRANSCEIVERS,Bus Transceivers Octal Bus. The SN74LS640N is Transceiver, Inverting 1 Element 8 Bit per Element Push-Pull Output 20-PDIP Bus XCVR Single 8-CH 3-ST 20-Pin PDIP Tube Bus Transceivers Octal Bus. More details for SN74LS640N can be seen below.

Logic ICs
Texas Instruments
Veswin Part Number
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
New & Original - Factory Package
Stock Status
In-Stock Inventory
Minimum order
Estimated Delivery Time
On Jul 02 - Jul 07 (Choose Expedited Shipping)
EDA / CAD Models
SN74LS640N by SnapEDA
Storage Condition
Dry storage cabinet & Humidity protection package
Voltage Supply
4.75 V ~ 5.25 V
Unit Weight
0.042297 oz
Supply Voltage Min
4.75 V
Supply Voltage Max
5.25 V
Supplier Device Package
Propagation Delay Time
15 ns
Standard Transceiver
Tube Alternate Packaging
Package Case
20-DIP (0.300", 7.62mm)
Output Type
3-State/Open Collector
Output Level
Operating Temperature
0°C ~ 70°C
Number of Elements
Number of Circuits
Number of Channels
Number of Bits per Element
Mounting Style
Through Hole
Mounting Type
Through Hole
Minimum Operating Temperature
0 C
Maximum Operating Temperature
+ 70 C
Low Level Output Current
24 mA
Logic Type
Transceiver, Inverting
Logic Family
Input Level
High Level Output Current
- 15 mA
Octal Bus Transceiver
Current Output High Low
15mA, 24mA

TI Inventory

Looking for SN74LS640N? Welcome to, Our Sales are here to help you. You can get components availability and pricing for SN74LS640N, view detailed information that including SN74LS640N manufacturer and datasheets. You can buy or learn about SN74LS640N right here, right now. Veswin is an electronic component distributor for commodity, common, obsolete / hard to find electronic components. Veswin supplies Industrial, Commercial and Mil-Spec components to OEM customers, CEM customers and Repair Centers worldwide. We maintain a large inventory of electronic components, which may include SN74LS640N, on hand to ship same day or short lead-time. Veswin Company is a full service SN74LS640N supplier and distributor for SN74LS640N. We have the ability to source and provide the SN74LS640N globally to assist you with your electronic component supply chain. now!
TI Original Stock

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  • Q: How Long Can I Get The SN74LS640N?
  • A: We will ship via FedEx or DHL or UPS, Normally will take 4 or 5 days to arrive at your office.
    We can also ship via registered airmail, Normally will take 14-38 days to arrive at your office.
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  • Q: SN74LS640N Warranty?
  • A: We Provide 90 days warranty for our product.
  • Q: SN74LS640N Technical Support?
  • A: Yes, Our product technical engineer will help you with the SN74LS640N pinout information, application notes, replacement, datasheet in pdf, manual, schematic, equivalent, cross reference.


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