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