SN74LV541APWR-P Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
Texas Instruments SN74LV541APWR-P is an octal buffer and line driver with 3-state outputs operating from 2 V to 5.5 V supply. Supports 8 channels with propagation delay under 7 ns and 24 mA drive capability. Available in TSSOP-20 package with worldwide distribution.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 20
- Lifecycle
- ACTIVE
- Datasheet
- SN74LV541APWR-P Datasheet PDF
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of SN74LV541APWR-P?
- Wide 2 V to 5.5 V supply range enables seamless interfacing between 3.3 V and 5 V logic families without level translation
- 8-channel non-inverting buffer with 3-state outputs and 24 mA output drive current supports direct bus driving
- Guaranteed latch-up performance exceeding 250 mA per JESD 17 and ESD protection up to 2000 V HBM for robust reliability
What is SN74LV541APWR-P used for?
The SN74LV541APWR-P is ideal for buffering high-fanout address and data buses in microcontroller and FPGA systems operating at 3.3 V or 5 V. Its 3-state outputs allow multiple drivers to share a common bus without contention, making it suitable for memory expansion boards and industrial I/O cards. The device is also used in motor-control panels and communication backplanes where reliable signal integrity at up to 24 mA drive is required.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Where can I find the SN74LV541APWR-P datasheet?
SN74LV541APWR-P Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for SN74LV541APWR-P?
Compatible alternatives and drop-in replacements for SN74LV541APWR-P:
Bus Driver, LV/LV-A/LVX/H Series, 8-Func, 8-Bit, True Output, CMOS, PDSO20
Bus Driver, LV/LV-A/LVX/H Series, 1-Func, 8-Bit, True Output, CMOS, PDSO20
Frequently Asked Questions
What supply voltage range does the SN74LV541APWR-P support, and what is its typical propagation delay at 3.3 V?
The SN74LV541APWR-P operates from 2 V to 5.5 V, covering both 3.3 V and 5 V logic systems. At a 3.3 V supply, typical propagation delay from input to output is approximately 5.5 ns, and maximum is 7 ns. This makes it well-suited for high-speed bus buffering in modern embedded designs where mixed-voltage interfacing is required.
For a 3.3 V FPGA driving a 5 V peripheral bus, how can the SN74LV541APWR-P serve as an interface buffer?
With its 2 V to 5.5 V supply range, the SN74LV541APWR-P can be powered at 5 V while accepting 3.3 V logic inputs that meet the 2 V minimum VIH threshold. Each of the 8 channels delivers up to 24 mA, enough to drive heavily loaded backplane traces. The 3-state outputs allow the FPGA to tri-state the bus during read cycles, preventing bus contention across all 8 lines.
How many output channels does the SN74LV541APWR-P provide, and what package is used for compact PCB layouts?
The SN74LV541APWR-P provides 8 output channels in a TSSOP-20 package with a body width of 4.4 mm and 0.65 mm pin pitch. This compact footprint allows high channel density on space-constrained boards. The TSSOP-20 is a standard pick-and-place compatible package, simplifying assembly in automated manufacturing lines for communication and industrial control boards.
When should a designer choose the SN74LV541APWR-P over the SN74HC541 for a new 3.3 V bus buffer design?
The SN74LV541APWR-P is preferred over SN74HC541 in designs running at 3.3 V because it operates down to 2 V supply and has faster propagation delay of about 7 ns maximum compared to HC541's 15 ns at 4.5 V. It also meets AEC-Q100 automotive requirements in some variants, and provides 24 mA drive current matching HC541 while consuming less power in static operation.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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