SN74LS640-1NS
- Mfr.Part #
- SN74LS640-1NS
- Manufacturer
- Texas Instruments
- Package / Case
- 20-SOIC (0.209, 5.30mm Width)
- Datasheet
- Download
- Description
- IC OCT BUS TXRX 3ST 20SO
- Stock
- 5,320
- In Stock :
- 5,320
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- Manufacturer :
- Texas Instruments
- Product Category :
- Buffers, Drivers, Receivers, Transceivers
- Height :
- 2mm
- Number of Elements :
- 1
- Terminal Position :
- Dual
- Supply Voltage :
- 5V
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Pbfree Code :
- yes
- Package / Case :
- 20-SOIC (0.209, 5.30mm Width)
- Terminal Form :
- Gull wing
- Additional Feature :
- WITH DIRECTION CONTROL
- RoHS Status :
- ROHS3 Compliant
- Output Type :
- 3-STATE
- Translation :
- n/a
- Power Supplies :
- 5V
- Qualification Status :
- Not Qualified
- Number of Pins :
- 20
- ECCN Code :
- EAR99
- Packaging :
- Tape and Reel (TR)
- Voltage - Supply :
- 4.75V~5.25V
- Peak Reflow Temperature (Cel) :
- 260
- Schmitt Trigger :
- No
- Lifecycle Status :
- ACTIVE (Last Updated: 5 days ago)
- Operating Supply Voltage :
- 5V
- Packing Method :
- TR
- Base Part Number :
- 74LS640
- Thickness :
- 1.95mm
- Number of Circuits :
- 8
- Number of Bits :
- 8
- Factory Lead Time :
- 6 Weeks
- Number of Terminations :
- 20
- JESD-609 Code :
- e4
- Propagation Delay :
- 15 ns
- Power Supply Current-Max (ICC) :
- 0.09mA
- Direction :
- Bidirectional
- Series :
- 74LS
- Pin Count :
- 20
- Lead Free :
- Lead Free
- Control Type :
- COMMON CONTROL
- Weight :
- 266.712314mg
- Max I(ol) :
- 0.024 A
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Logic Type :
- Transceiver, Inverting
- Mount :
- Surface Mount
- Time@Peak Reflow Temperature-Max (s) :
- NOT SPECIFIED
- Length :
- 12.6mm
- Width :
- 5.3mm
- Number of Functions :
- 1
- Polarity :
- Inverting
- Logic Function :
- Inverting, Transceiver
- Current - Output High, Low :
- 15mA 48mA
- Load Capacitance :
- 45pF
- Number of Ports :
- 2
- Operating Temperature :
- 0°C~70°C TA
- Family :
- LS
- Mounting Type :
- Surface Mount
- Datasheets
- SN74LS640-1NS

Buffers, Drivers, Receivers, Transceivers Texas Instruments SN74LS640-1NS Overview
Introducing the cutting-edge SN74LS640-1NS from Texas Instruments, a leading name in integrated circuits. This innovative IC OCT BUS TXRX 3ST 20SO is meticulously crafted to meet the demanding requirements of modern electronic systems. With its robust design and advanced features, it serves as a versatile solution for a wide range of applications.
SN74LS640-1NS Features
- High-performance OCTAL BUS TRANSCEIVER with 3-state outputs
- Operates from 2.0 V to 6.0 V VCC
- Typical VOLP (Output Ground Bounce) <0.8 V at VCC = 4.5 V, TA = 25°C
- Typical VOHV (Output VOH Undershoot) >2 V at VCC = 4.5 V, TA = 25°C
- Features TTL-Compatibility
- Low power consumption, making it ideal for energy-efficient designs
SN74LS640-1NS Applications
- Industrial Automation: The SN74LS640-1NS facilitates seamless data transmission and reception in industrial control systems, ensuring reliable communication between various components such as sensors, actuators, and controllers.
- Telecommunications: With its high-speed performance and robust construction, this IC is well-suited for use in telecommunications equipment, including routers, switches, and modems, enabling efficient data exchange in telecommunications networks.
- Automotive Electronics: In automotive applications, the SN74LS640-1NS plays a vital role in interfacing different subsystems within vehicles, such as engine control units, infotainment systems, and safety features, enhancing overall vehicle performance and functionality.
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