SN74LS540DBR
- Mfr.Part #
- SN74LS540DBR
- Manufacturer
- Texas Instruments
- Package / Case
- 20-SSOP (0.209, 5.30mm Width)
- Datasheet
- Download
- Description
- IC BUFFER INVERT 5.25V 20SSOP
- Stock
- 10,311
- In Stock :
- 10,311
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- Manufacturer :
- Texas Instruments
- Product Category :
- Buffers, Drivers, Receivers, Transceivers
- Output Type :
- 3-STATE
- Contact Plating :
- Gold
- Number of Ports :
- 2
- JESD-609 Code :
- e4
- Base Part Number :
- 74LS540
- Mounting Type :
- Surface Mount
- Operating Supply Voltage :
- 5V
- Number of Bits :
- 8
- Number of Functions :
- 1
- Number of Channels :
- 8
- Turn On Delay Time :
- 38 ns
- RoHS Status :
- ROHS3 Compliant
- Mount :
- Surface Mount
- Number of Outputs :
- 8
- Current - Output High, Low :
- 15mA 24mA
- Lead Free :
- Lead Free
- Time@Peak Reflow Temperature-Max (s) :
- NOT SPECIFIED
- Additional Feature :
- WITH DUAL OUTPUT ENABLE
- Package / Case :
- 20-SSOP (0.209, 5.30mm Width)
- ECCN Code :
- EAR99
- Supply Voltage :
- 5V
- Terminal Form :
- Gull wing
- Propagation Delay :
- 15 ns
- Max I(ol) :
- 0.024 A
- Width :
- 5.3mm
- Voltage - Supply :
- 4.75V~5.25V
- Terminal Pitch :
- 0.65mm
- Number of Elements :
- 1
- Operating Temperature :
- 0°C~70°C TA
- Load Capacitance :
- 45pF
- Packaging :
- Tape and Reel (TR)
- Number of Terminations :
- 20
- Number of Pins :
- 20
- Pin Count :
- 20
- Peak Reflow Temperature (Cel) :
- 260
- Polarity :
- Inverting
- Count Direction :
- Unidirectional
- Terminal Position :
- Dual
- Power Supplies :
- 5V
- Thickness :
- 1.95mm
- Power Supply Current-Max (ICC) :
- 52mA
- Logic Function :
- Buffer, Inverter
- Qualification Status :
- Not Qualified
- Packing Method :
- TR
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Logic Type :
- Buffer, Inverting
- Length :
- 7.2mm
- Family :
- LS
- Height :
- 2mm
- Series :
- 74LS
- Pbfree Code :
- yes
- Control Type :
- ENABLE LOW
- Lifecycle Status :
- ACTIVE (Last Updated: 1 day ago)
- Factory Lead Time :
- 6 Weeks
- Datasheets
- SN74LS540DBR

Buffers, Drivers, Receivers, Transceivers Texas Instruments SN74LS540DBR Overview
The Texas Instruments SN74LS540DBR is a high-performance integrated circuit specifically designed for buffering and driving applications, encapsulated in a 20SSOP package. This device operates effectively with a 5.25V power supply, delivering exceptional reliability and functionality. The SN74LS540DBR is essential for systems requiring precise voltage buffering and signal inversion, making it highly sought after in advanced digital systems. Its ability to interface with higher voltage levels while maintaining signal integrity makes the Buffers, Drivers, Receivers, Transceivers Texas Instruments SN74LS540DBR a cornerstone in the development of robust electronic applications.
SN74LS540DBR Features
- Integrated octal buffer and line driver with inverting outputs.
- Supports a supply voltage range of 4.5V to 5.5V, optimal for typical 5V logic levels.
- 3-state outputs for bus interfacing capability, allowing multiple units to share bus lines.
- Low power consumption with high noise immunity.
- Compact 20SSOP package for space-efficient design.
SN74LS540DBR Applications
- Microprocessor Systems: Utilized for driving bus lines, enhancing the handling of high-speed data without degradation.
- Communication Equipment: Integral in signal conditioning to maintain signal integrity across various media.
- Data Acquisition Systems: Employed in data buffering to ensure accurate capture and transfer of data in sensor interfacing.
- Memory Drive Circuits: Used for driving memory address inputs, contributing to improved access times and reliability.
- Portable Devices: Essential for low power, high-performance driving of interface lines, optimizing battery life and device performance.
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