Texas Instruments SN74LS640-1N
$ 1.645
Production
Inventory History
3 month trend: -7.60%
CAD Models
Download symbol, footprint, and 3D STEP
Alternate Parts
1 part available
Datasheets & Documents
Download datasheets and manufacturer documentation for Texas Instruments SN74LS640-1N.
CAD Models
Download Texas Instruments SN74LS640-1N symbol, footprint, and 3D STEP models from our trusted partners.
| source | eCAD | mCAD | FILES |
|---|---|---|---|
 Ultra Librarian | SymbolFootprint | Download |
The partner site will open in a new tab when downloading their CAD models
By downloading CAD models from Octopart, you agree to our Terms & Conditions and Privacy Policy.
Alternate Parts
This Part
Alternate Parts
Price @ 1000
$ 1.645
$ 1.684
$ 1.684
Stock
116,479
109,579
109,579
Authorized Distributors
5
5
5
Case/Package
PDIP
PDIP
PDIP
Number of Pins
20
20
20
Logic Function
Inverting, Transceiver
Inverting, Transceiver
Inverting, Transceiver
Number of Elements
1
1
1
Number of Bits per Element
8
8
8
Low Level Output Current
24 mA
24 mA
24 mA
High Level Output Current
-15 mA
-15 mA
-15 mA
Propagation Delay
40 ns
15 ns
15 ns
Min Supply Voltage
4.75 V
4.75 V
4.75 V
Max Supply Voltage
5.25 V
5.25 V
5.25 V
Supply Chain
Lifecycle StatusProduction (Last Updated: 6 days ago)
Manufacturer Lifecycle StatusACTIVE (Last Updated: 6 days ago)
Engineering Resources
View Evaluation kits and Reference designs for Texas Instruments SN74LS640-1N.
Evaluation Kit
Related Parts
Texas InstrumentsSN74LS645-1N
64mA 8 1 8 4.75V 5.25V 48mA Non-Inverting,Transceiver 15mA PDIP-20 24.33mm*6.35mm*4.57mm
Texas InstrumentsSN74HCT244N
Buffer/Line Driver 8-Channel Non-Inverting 3-Straight CMOS 20-Pin PDIP
Texas InstrumentsCD74HCT541E
Buffer-line Driver 8 Channel Non-Inverting 3 State CMOS 20-Pin Plastic DIP Tube
Descriptions
Descriptions of Texas Instruments SN74LS640-1N provided by its distributors.
1 8 4.75V 5.25V 48mA Inverting,Transceiver 15mA PDIP-20 24.33mm*6.35mm*4.57mm
Octal bus transceivers 20-PDIP 0 to 70
Bus XCVR Single 8-CH 3-ST 20-Pin PDIP Tube
74LS640 Tube WITH DIRECTION CONTROL Nickel/Palladium/Gold (Ni/Pd/Au) logic receiver 15mA 48mA 15ns 5.08mm 5V
LOGIC, BUS TRANSCVR OCTAL, 20DIP
IC TRANSCVR INVERT 5.25V 20DIP
Manufacturer Aliases
Texas Instruments has several brands around the world that distributors may use as alternate names. Texas Instruments may also be known as the following names:
- TI
- TEXAS
- TEXAS INST
- TEXAS INSTR
- TEXAS INSTRUMENT
- TEXAS INSTRUMENTS INC
- TEXAS INS
- TEXAS INSTRU
- TEXAS INSTRUMEN
- TI/NS
- TEX
- Texas Instruments (TI)
- TEXASIN
- TEXAS INSTRUMENTS INCORPORATED
- TEXINS
- TEXAS INTRUMENTS
- TEAXS
- TEXASI
- TEXAS INSTRUM
- TI Texas Instruments
- TEXAS USD
- TEXAS INSRUMENTS
- TEXAS INSRUMENT
- TEXAS INSTUMENTS
- TI-ROHS
- Texas Instr.
- Texas Instruments Inc.
Inventory History
3 month trend: -7.60%
CAD Models
Download symbol, footprint, and 3D STEP
Alternate Parts
1 part available
Technical Specifications
Physical
Case/PackagePDIP
MountThrough Hole
Number of Pins20
Weight1.1991 g
Technical
DirectionBidirectional
High Level Output Current-15 mA
Logic FunctionInverting, Transceiver
Low Level Output Current24 mA
Max Operating Temperature70 °C
Max Supply Voltage5.25 V
Min Operating Temperature0 °C
Min Supply Voltage4.75 V
Number of Bits8
Number of Bits per Element8
Number of Channels8
Number of Circuits8
Number of Elements1
Number of Outputs8
Operating Supply Voltage5 V
PolarityInverting
Propagation Delay40 ns
Schedule B8542390000
TerminationThrough Hole
Turn-On Delay Time15 ns
Dimensions
Height5.08 mm
Length24.33 mm
Thickness4.57 mm
Width6.35 mm
Datasheets & Documents
Download datasheets and manufacturer documentation for Texas Instruments SN74LS640-1N.
Compliance
Environmental Classification
Lead FreeLead Free
Radiation HardeningNo
REACH SVHCNo
RoHSCompliant
Compliance Statements