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
Key Features
- 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
Applications
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) |
Alternate & Equivalent Parts
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.
Related Guides
EEEFK1E470P Selection Guide for 47 uF SMD Aluminum Electrolytic Capacitors
Selection guidance for EEEFK1E470P and nearby Panasonic FK or FT SMD aluminum electrolytic capacitors for power-rail bulk decoupling.
Jul 7, 2026
EEEFT1V101AP Design Guide for SMD Aluminum Electrolytic Bulk Decoupling
Design guidance for using EEEFT1V101AP as an SMD aluminum electrolytic bulk capacitor in power-rail decoupling and hold-up networks.
Jul 7, 2026
How to Choose a 3528 SMD Indicator LED for Blue Status Lighting: Selection Guide
A practical 3528 SMD indicator LED selection guide using 150141BS73100 and related Wurth 150141 variants for blue status lighting.
Jul 5, 2026
BAS70KFILM Design Guide for Low-Leakage Signal Clamping and RF Detector Inputs
Practical BAS70KFILM design guidance for signal clamps, RF detector inputs, leakage control, capacitance, layout, and sourcing alternatives.
Jul 5, 2026
Why Buy from FindMyChip
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.
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“Their engineering team helped us find a pin-compatible alternative when our original MCU went EOL.”