SN74LS640DWR is available for purchase but is not normally stocked.
Available Substitutes:

Direct


Rochester Electronics, LLC
In Stock: 3.403
Unit Price: 1,55530 €
Datasheet
Transceiver, Inverting 1 Element 8 Bit per Element 3-State Output 20-SOIC
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Transceiver, Inverting 1 Element 8 Bit per Element 3-State Output 20-SOIC
20-SOIC Pkg

SN74LS640DWR

DigiKey Part Number
296-29734-2-ND - Tape & Reel (TR)
Manufacturer
Manufacturer Product Number
SN74LS640DWR
Description
IC TXRX 4.75V/5.25V 20-SOIC
Manufacturer Standard Lead Time
6 Weeks
Customer Reference
Detailed Description
Transceiver, Inverting 1 Element 8 Bit per Element 3-State Output 20-SOIC
Datasheet
 Datasheet
EDA/CAD Models
SN74LS640DWR Models
Product Attributes
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Category
Output Type
3-State
Manufacturer
Texas Instruments
Current - Output High, Low
15mA, 24mA
Series
Voltage - Supply
4.75V ~ 5.25V
Packaging
Tape & Reel (TR)
Operating Temperature
0°C ~ 70°C (TA)
Part Status
Active
Mounting Type
Surface Mount
Logic Type
Transceiver, Inverting
Package / Case
20-SOIC (0.295", 7.50mm Width)
Number of Elements
1
Supplier Device Package
20-SOIC
Number of Bits per Element
8
Base Product Number
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (1)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
SN74LS640DWRochester Electronics, LLC3.4032156-SN74LS640DW-ND1,55530 €Direct
Available To Order
Check Lead Time
All prices are in EUR
Tape & Reel (TR)
QuantityUnit PriceExt Price
2.0001,30754 €2.615,08 €
Manufacturers Standard Package
Unit Price without VAT:1,30754 €
Unit Price with VAT:1,58212 €