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
Request A Quote(RFQ)
- * Fullname:
- * Company:
- * E-Mail:
- Phone:
- Comment:
- * Quantity:
- Manufacturer :
- Texas Instruments
- Product Category :
- Buffers, Drivers, Receivers, Transceivers
- Supply Voltage :
- 5V
- Mount :
- Surface Mount
- Contact Plating :
- Gold
- JESD-609 Code :
- e4
- Time@Peak Reflow Temperature-Max (s) :
- NOT SPECIFIED
- Turn On Delay Time :
- 38 ns
- Width :
- 5.3mm
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Logic Type :
- Buffer, Inverting
- Peak Reflow Temperature (Cel) :
- 260
- Number of Outputs :
- 8
- Height :
- 2mm
- Voltage - Supply :
- 4.75V~5.25V
- Terminal Form :
- Gull wing
- Number of Elements :
- 1
- Lifecycle Status :
- ACTIVE (Last Updated: 1 day ago)
- Power Supply Current-Max (ICC) :
- 52mA
- Package / Case :
- 20-SSOP (0.209, 5.30mm Width)
- Family :
- LS
- Factory Lead Time :
- 6 Weeks
- Additional Feature :
- WITH DUAL OUTPUT ENABLE
- Terminal Position :
- Dual
- Base Part Number :
- 74LS540
- Pin Count :
- 20
- Number of Functions :
- 1
- Propagation Delay :
- 15 ns
- ECCN Code :
- EAR99
- Packing Method :
- TR
- Output Type :
- 3-STATE
- Pbfree Code :
- yes
- Polarity :
- Inverting
- Thickness :
- 1.95mm
- Length :
- 7.2mm
- Lead Free :
- Lead Free
- Number of Bits :
- 8
- Number of Pins :
- 20
- Current - Output High, Low :
- 15mA 24mA
- Number of Channels :
- 8
- Operating Temperature :
- 0°C~70°C TA
- Series :
- 74LS
- Count Direction :
- Unidirectional
- Power Supplies :
- 5V
- RoHS Status :
- ROHS3 Compliant
- Number of Ports :
- 2
- Number of Terminations :
- 20
- Mounting Type :
- Surface Mount
- Max I(ol) :
- 0.024 A
- Qualification Status :
- Not Qualified
- Packaging :
- Tape and Reel (TR)
- Terminal Pitch :
- 0.65mm
- Logic Function :
- Buffer, Inverter
- Control Type :
- ENABLE LOW
- Operating Supply Voltage :
- 5V
- Load Capacitance :
- 45pF
- 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.
You may place an order without registering to Chip IC. We strongly recommend that you log in before purchasing as you can track your order at any time.
RFQ (Request for Quotations)It is recommended to send RFQ to get the latest prices and stock availability about the part.Our sales will reply to your inquiry within 24 hours.
Payment MethodFor your convenience, we accept multiple payment methods in USD, Such as:PayPal, Credit Card, and wire transfer.
IMPORTANT NOTICEYou may place an order without registering to 1. You'll receive an order confirmations by e-mail soon . (Please remember to check the spam box if you didn't hear from us). 2. Since stock availability and prices may change at any time, the sales will reconfirm the order details and update you at soonest time.
Most of our products are shipped via FEDEX,DHL,UPS and SF EXPRESS...
Shipping CostShipping Cost starts at $40, but some countries will exceed $40. For example (South Africa, Brazil, India, Pakistan, Israel, etc.).If customer have shipping account, we can make shipment under customer’s shipping account with freight collect directly.
The basic freight (for package ≤0.5 KG ) depends on the time zones and countries
Once the goods are shipped, estimated delivery time depends on the shipping methods you chose. You can track it by the tracking no.
















