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SN74ALS640B-1N
Texas InstrumentsRoHS 
RoHS compliant
RoHS compliantPackage 20-DIP (0.300, 7.62mm)
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 24ns 5.08mm 5V
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Inventory: 2113
Minimum: 1
Total Price: USD $0.94
Unit Price: USD $0.9424
≥1 USD $0.9424
≥200 USD $0.7733
≥500 USD $0.74955
≥1000 USD $0.72485
Technical Details
Supply Chain
Factory Lead Time 6 Weeks
Lifecycle Status ACTIVE (Last Updated: 2 days ago)
Dimensions
Height 5.08mm
Length 24.33mm
Width 6.35mm
Thickness 4.57mm
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
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
Number of Functions 1
Supply Voltage 5V
Terminal Pitch 2.54mm
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 24 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
Physical
Mount Through Hole
Mounting Type Through Hole
Package / Case 20-DIP (0.300, 7.62mm)
Number of Pins 20
Weight 1.1991g
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