Texas Instruments SN74LS640-1DW
$ 1.34
Obsolete
Price and Stock
Authorized Distributors
Non-Authorized Stocking Distributors
Non-Authorized Dealers
Distributor
SKU
Min
Pkg
Bulk Pricing
Inventory History
3 month trend: -0.04%
CAD Models
Download symbol, footprint, and 3D STEP
Alternate Parts
1 part available
CAD Models
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Alternate Parts
This Part
Alternate Parts
Price @ 1000
$ 1.34
$ 0.999
$ 0.999
Stock
182,817
249,160
249,160
Authorized Distributors
3
1
1
Case/Package
SOIC
SOIC
SOIC
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
15 mA
15 mA
15 mA
High Level Output Current
24 mA
24 mA
24 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 StatusObsolete (Last Updated: 5 days ago)
Manufacturer Lifecycle StatusOBSOLETE (Last Updated: 5 days ago)
Engineering Resources
View Evaluation kits and Reference designs for Texas Instruments SN74LS640-1DW.
Evaluation Kit
Related Parts
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1 8 4.5V 5.5V 24mA Non-Inverting,Transceiver 15mA SOIC-20 , 12.8mm*7.52mm*2.35mm
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74ALS245 Tube Nickel/Palladium/Gold (Ni/Pd/Au) 74ALS logic buffer 15mA 24mA 10ns 2.65mm 5V
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IC BUS TRANSCEIVER DUAL 20SOIC / Bus XCVR Single 8-CH 3-ST 20-Pin SOIC T/R
Descriptions
Descriptions of Texas Instruments SN74LS640-1DW provided by its distributors.
48mA 4.75V~5.25V 15mA SOP-20-300mil Buffer/Driver/Transceiver ROHS
IC TXRX INVERT 5.25V 20SOIC "Transceiver, Inverting 1 Element 8 Bit per Element 3-State Output 20-SOIC"
Octal bus transceivers 20-SOIC 0 to 70
Antiphase Tristate 1 8 4.75V 5.25V 48mA Inverting，Transceiver 15mA SOIC-20 SMD mount 12.8mm*7.52mm*2.35mm
OCTAL BUS TRANSCEIVRS | IC TRANSCVR INVERT 5.25V 20SOIC
Bus XCVR Single 8-CH 3-ST 20-Pin SOIC Tube
74LS640 Tube WITH DIRECTION CONTROL Nickel/Palladium/Gold (Ni/Pd/Au) logic driver 15mA 48mA 40ns 2.65mm 5V
LOGIC, BUS TRANSCVR OCTAL, 20SOIC; Logic Device Type:Transceiver, Inverting; Supply Voltage Range:4.75V to 5.25V; Logic Case Style:SOIC; No. of Pins:20; Operating Temperature Range:0°C to +70°C; SVHC:No SVHC (20-Jun-2011); Logic Function Number:74640-1; Logic IC Base Number:74640; Logic IC Family:LS; Logic IC Function:Octal Bus Transceiver; Package / Case:SOIC; Supply Voltage Max:5.25V; Supply Voltage Min:4.75V; Termination Type:SMD
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
- TI Texas Instruments
- TEXAS INSTRUM
- TEXAS USD
- TEXAS INSRUMENTS
- TEXAS INSRUMENT
- TEXAS INSTUMENTS
- TI-ROHS
- Texas Instr.
- Texas Instruments Inc.
Inventory History
3 month trend: -0.04%
CAD Models
Download symbol, footprint, and 3D STEP
Alternate Parts
1 part available
Technical Specifications
Physical
Case/PackageSOIC
MountSurface Mount
Number of Pins20
Weight500.709277 mg
Technical
DirectionBidirectional
High Level Output Current24 mA
Logic FunctionInverting, Transceiver
Low Level Output Current15 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
TerminationSMD/SMT
Turn-On Delay Time40 ns
Dimensions
Height2.65 mm
Length12.8 mm
Thickness2.35 mm
Width7.5 mm
Compliance
Environmental Classification
Lead FreeLead Free
Radiation HardeningNo
REACH SVHCNo
RoHSCompliant
Compliance Statements