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SN74ALS640B-1DW
Texas InstrumentsRoHS 
RoHS compliant
RoHS compliantPackage 20-SOIC (0.295, 7.50mm Width)
Category Logic - Buffers, Drivers, Receivers, Transceivers / Logic - Buffers, Drivers, Receivers, Transceivers
Description
74ALS640 Tube WITH DIRECTION CONTROL Nickel/Palladium/Gold (Ni/Pd/Au) logic buffer 15mA 24mA 11ns 2.65mm 5V
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Inventory: 4250
Minimum: 1
Total Price: USD $4.12
Unit Price: USD $4.120119
≥1 USD $4.120119
≥100 USD $3.545097
≥250 USD $2.462757
≥1000 USD $1.956354
Technical Details
Supply Chain
Factory Lead Time 6 Weeks
Lifecycle Status ACTIVE (Last Updated: 6 days ago)
Physical
Mount Surface Mount
Mounting Type Surface Mount
Package / Case 20-SOIC (0.295, 7.50mm Width)
Number of Pins 20
Weight 500.709277mg
Technical
Operating Temperature 0°C~70°C TA
Packaging Tube
Series 74ALS
JESD-609 Code e4
Pbfree Code yes
Part Status Active
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Number of Terminations 20
ECCN Code EAR99
Terminal Finish Nickel/Palladium/Gold (Ni/Pd/Au)
Additional Feature WITH DIRECTION CONTROL
Subcategory Bus Driver/Transceivers
Technology TTL
Voltage - Supply 4.5V~5.5V
Terminal Position DUAL
Terminal Form GULL WING
Peak Reflow Temperature (Cel) 260
Number of Functions 1
Supply Voltage 5V
Base Part Number 74ALS640
Pin Count 20
Output Type 3-State
Operating Supply Voltage 5V
Number of Elements 1
Polarity Inverting
Power Supplies 5V
Number of Channels 8
Load Capacitance 50pF
Number of Ports 2
Number of Bits 8
Propagation Delay 24 ns
Turn On Delay Time 11 ns
Family ALS
Logic Function Inverting, Transceiver
Direction Bidirectional
Current - Output High, Low 15mA 24mA
Logic Type Transceiver, Inverting
Control Type COMMON CONTROL
Schmitt Trigger No
Power Supply Current-Max (ICC) 55mA
Translation N/A
Compliance
Radiation Hardening No
RoHS Status ROHS3 Compliant
Lead Free Lead Free
Dimensions
Height 2.65mm
Length 12.8mm
Width 7.5mm
Thickness 2.35mm
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