SN74LS642-1DW
- Mfr.Part #
- SN74LS642-1DW
- Manufacturer
- Texas Instruments
- Package / Case
- 20-SOIC (0.295, 7.50mm Width)
- Datasheet
- Download
- Description
- IC TXRX INVERT 5.25V 20SOIC
- Stock
- 15
- In Stock :
- 15
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- Manufacturer :
- Texas Instruments
- Product Category :
- Buffers, Drivers, Receivers, Transceivers
- Output Type :
- Open Collector
- Mounting Type :
- Surface Mount
- Operating Supply Voltage :
- 5V
- Quiescent Current :
- 64mA
- Mount :
- Surface Mount
- Family :
- LS
- Width :
- 7.5mm
- Translation :
- n/a
- Length :
- 12.8mm
- Pin Count :
- 20
- Power Supply Current-Max (ICC) :
- 0.09mA
- Max I(ol) :
- 0.024 A
- Height :
- 2.65mm
- Additional Feature :
- WITH DIRECTION CONTROL
- Package / Case :
- 20-SOIC (0.295, 7.50mm Width)
- Power Supplies :
- 5V
- Propagation Delay :
- 25 ns
- Series :
- 74LS
- Supply Voltage :
- 5V
- Logic Type :
- Transceiver, Inverting
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Peak Reflow Temperature (Cel) :
- 260
- Number of Elements :
- 1
- Polarity :
- Inverting
- Number of Terminations :
- 20
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Current - Output High, Low :
- - 48mA
- Logic Function :
- Inverting, Transceiver
- Turn On Delay Time :
- 60 ns
- Load Capacitance :
- 45pF
- Operating Temperature :
- 0°C~70°C TA
- Number of Pins :
- 20
- Terminal Form :
- Gull wing
- Number of Channels :
- 8
- Weight :
- 500.709277mg
- Base Part Number :
- 74LS642
- Lifecycle Status :
- ACTIVE (Last Updated: 3 days ago)
- Number of Bits :
- 8
- Voltage - Supply :
- 4.75V~5.25V
- Control Type :
- COMMON CONTROL
- Schmitt Trigger :
- No
- Factory Lead Time :
- 6 Weeks
- Lead Free :
- Lead Free
- Number of Functions :
- 1
- JESD-609 Code :
- e4
- Thickness :
- 2.35mm
- Packaging :
- Tube
- Direction :
- Bidirectional
- Terminal Position :
- Dual
- REACH SVHC :
- No SVHC
- RoHS Status :
- ROHS3 Compliant
- Pbfree Code :
- yes
- Number of Ports :
- 2
- Radiation Hardening :
- No
- Datasheets
- SN74LS642-1DW

Buffers, Drivers, Receivers, Transceivers Texas Instruments SN74LS642-1DW Overview
The Texas Instruments SN74LS642-1DW is an integral component within the field of digital communication and signal processing. Designed to effectively handle the challenges of high-speed data transmission, this IC TXRX (transceiver) operates with an inverted signal logic and is capable of interfacing directly with 5.25V systems. As a product of Texas Instruments, a leader in semiconductor innovation, the SN74LS642-1DW guarantees reliability and performance in demanding applications. This device comes in a 20SOIC package, offering a compact solution for systems where space is at a premium but performance cannot be compromised. Its design is particularly suited for improving signal integrity and reducing noise in complex digital systems, making it an invaluable part of modern electronic designs.
SN74LS642-1DW Features
The SN74LS642-1DW features include high-speed data transmission capabilities with an operating voltage range up to 5.25 volts, which allows for improved noise immunity and robust performance in industrial environments. The 20SOIC package is optimized for surface-mount technology, facilitating easier assembly and integration into existing designs. Moreover, its inverted output logic helps in creating more efficient circuit designs by reducing the need for additional logic inversion components.
SN74LS642-1DW Applications
- Communication Equipment: Utilized in modems and routers, the SN74LS642-1DW helps in managing signal integrity which is crucial for maintaining high-speed data communications.
- Networking Interfaces: Applied in network cards and switches, it enhances data throughput and reliability under varying electrical conditions.
- Industrial Control Systems: Plays a crucial role in PLCs and other control systems by ensuring robust, error-free data transmission even in electrically noisy environments.
- Data Storage Systems: Used in data storage systems to ensure accurate data transfer between storage controllers and drives, vital for data integrity and system reliability.
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