Texas Instruments SN74ALS640B-1DW
$ 2.6
Obsolete
Inventory History
3 month trend: +0.00%
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
$ 2.6
$ 2.6
$ 2.6
Stock
113,602
184,768
184,768
Authorized Distributors
3
3
3
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
48 mA
24 mA
24 mA
High Level Output Current
-15 mA
24 mA
24 mA
Propagation Delay
24 ns
24 ns
24 ns
Min Supply Voltage
4.75 V
4.5 V
4.5 V
Max Supply Voltage
5.25 V
5.5 V
5.5 V
Supply Chain
Lifecycle StatusObsolete (Last Updated: 1 week ago)
Manufacturer Lifecycle StatusOBSOLETE (Last Updated: 1 week ago)
Engineering Resources
View Evaluation kits and Reference designs for Texas Instruments SN74ALS640B-1DW.
Evaluation Kit
Related Parts
Texas InstrumentsSN74LS641-1DW
1 8 4.75V 5.25V 48mA Non-Inverting,Transceiver -15mA SOIC-20 12.8mm*7.52mm*2.35mm
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1 8 4.75V 5.25V 48mA Non-Inverting,Transceiver -15mA SOIC-20 , 12.8mm*7.52mm*2.35mm
Texas InstrumentsSN74LS641-1DWE4
Octal bus transceivers with open collector outputs 20-SOIC 0 to 70
Descriptions
Descriptions of Texas Instruments SN74ALS640B-1DW provided by its distributors.
1 8 4.5V 5.5V 24mA Inverting,Transceiver 15mA SOIC-20 12.8mm*7.52mm*2.35mm
IC TXRX INVERT 5.5V 20SOIC / Transceiver, Inverting 1 Element 8 Bit per Element 3-State Output 20-SOIC
OCTAL BUS T ANSCEIVE 3-STATE 20-SOIC 0 to 70
IC BUS TRANSCEIVER DUAL 20SOIC
Bus XCVR Single 8-CH 3-ST 20-Pin SOIC Tube
74ALS640 Tube WITH DIRECTION CONTROL Nickel/Palladium/Gold (Ni/Pd/Au) logic buffer 15mA 24mA 11ns 2.65mm 5V
IC TRANSCVR INVERT 5.5V 20SOIC
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: +0.00%
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 Current-15 mA
Logic FunctionInverting, Transceiver
Low Level Output Current48 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
PackagingRail/Tube
PolarityInverting
Propagation Delay24 ns
Turn-On Delay Time11 ns
Dimensions
Height2.65 mm
Length12.8 mm
Thickness2.35 mm
Width7.5 mm
Compliance
Environmental Classification
Lead FreeLead Free
Radiation HardeningNo
RoHSCompliant
Compliance Statements