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Nexperia USA Inc. 74LVC541AD,112
- Part No.:
- 74LVC541AD,112
- Manufacturer:
- Nexperia USA Inc.
- Package:
- 20-SOIC (0.295", 7.50mm Width)
- Datasheet:
-
74LVC541AD,112.pdf
- Description:
- IC BUFFER NON-INVERT 3.6V 20SO
- Quantity:
- Payment:
- Shipping:
Inventory:4,323
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Product details
Overview
74LVC541AD,112 from Nexperia is an octal 3-state buffer/line driver with dual output enables (OE1, OE2), 1.2 V to 3.6 V supply operation, 5.5 V tolerant inputs/outputs, and Schmitt-trigger inputs for noise immunity. It enables bidirectional voltage translation between 3.3 V and 5 V logic domains in industrial I/O expansion and bus isolation applications.
For engineers reviewing the 74LVC541AD,112 datasheet, 74LVC541AD,112 pinout, 74LVC541AD,112 application, or 74LVC541AD,112 equivalent, key selection criteria include IOFF-enabled partial power-down capability, −40 °C to +125 °C temperature rating, SO20 package compatibility, and guaranteed 5.5 V input overvoltage tolerance without external clamping.
Technical Context
This device implements eight independent non-inverting buffers, each with separate enable control via two active-low OE inputs. Its IOFF circuitry actively disables outputs during power-down, blocking backflow current when VCC = 0 V - critical for hot-swap and mixed-rail system integrity.
Schmitt-trigger inputs provide hysteresis (typ. 0.3 V at VCC = 3.3 V), enabling robust operation with slow-rising signals from microcontrollers or mechanical switches. Propagation delay is 2.9 ns typical (VCC = 3.3 V), and 3-state disable time is 3.3 ns typical - supporting high-speed bus arbitration in real-time control systems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply voltage range | 1.2 V to 3.6 V - supports direct interface with 1.2 V, 1.8 V, 2.5 V, and 3.3 V logic families without level shifters. |
| Input voltage tolerance | −0.5 V to +5.5 V - allows safe connection to 5 V TTL or CMOS sources even when powered at 1.8 V. |
| IOFF leakage current | ±10 μA max at VCC = 0 V - prevents damaging back-current during partial power-down in multi-voltage systems. |
| Propagation delay (An→Yn) | 2.9 ns typical at VCC = 3.3 V - enables sub-350 MHz bus timing margins in FPGA-to-peripheral interfaces. |
| Output drive strength | ±24 mA at VCC = 3.0 V - sufficient to drive 50 pF loads across 15 cm PCB traces without signal degradation. |
| Operating temperature | −40 °C to +125 °C - qualified for under-hood automotive modules, industrial PLCs, and outdoor telecom equipment. |
| ESD protection | HBM > 2000 V, CDM > 1000 V - meets IEC 61000-4-2 Level 3 requirements for board-level ESD robustness. |
Pinout & Package
74LVC541AD,112 is supplied in a plastic small outline package (SO20, SOT163-1) with 20 leads, 7.5 mm body width, and standard 1.27 mm lead pitch - compatible with IPC-7351B SOIC-20 land patterns.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 19 | OE1, OE2 | Active-low output enable inputs - independent control of two groups of four outputs; both must be LOW for full 8-bit drive. |
| 2–9 | A0–A7 | Non-inverting data inputs - accept 3.3 V or 5 V logic levels regardless of VCC; Schmitt-triggered for noise rejection. |
| 10 | GND | Ground reference - decoupling capacitor must be placed within 5 mm of pin 10 and pin 20 for stable switching. |
| 11–18 | Y7–Y0 | 3-state buffered outputs - output order is reversed (Y7 on pin 11, Y0 on pin 18); high-impedance when either OE is HIGH. |
| 20 | VCC | Supply voltage input - requires local 100 nF ceramic bypass capacitor; not internally regulated. |
Key Features
| Feature | Design Value |
|---|---|
| 5.5 V tolerant I/O | Enables direct interfacing with legacy 5 V peripherals while operating from modern low-voltage rails - eliminates external level translators. |
| IOFF partial power-down | Prevents destructive back-current flow when VCC is off but bus lines remain live - essential for hot-plug I/O modules and modular backplanes. |
| Schmitt-trigger inputs | Provides 0.3 V typical hysteresis at 3.3 V, rejecting up to 300 mV of ground bounce or EMI-induced noise on control lines. |
| JEDEC-compliant voltage ranges | Fully compliant with JESD8-7A (1.65–1.95 V), JESD8-5A (2.3–2.7 V), and JESD8-C/JESD36 (2.7–3.6 V) - ensures interoperability across vendor logic families. |
| Wide temperature operation | Specified from −40 °C to +125 °C - validated for use in engine control units, motor drives, and industrial gateways without derating. |
Applications
| Industrial I/O Expansion | Microcontroller Bus Isolation |
|---|---|
|
Use Scenario: Adding 8-bit parallel GPIO to a 3.3 V ARM Cortex-M4 MCU controlling 5 V relay banks and sensors. IC Role / Device Role / Timing Role: Bidirectional voltage translator and bus driver - isolates MCU core from noisy 5 V actuator transients while preserving timing integrity. Use Value: Eliminates need for discrete MOSFET level shifters; IOFF prevents latch-up during MCU reset sequences. |
Use Scenario: Isolating an FPGA configuration bus from a 5 V power-supply monitoring circuit in a reconfigurable test instrument. IC Role / Device Role / Timing Role: 3-state buffer with dual OE control - enables clean bus turn-around during FPGA reconfiguration without signal contention. Use Value: 2.9 ns propagation delay ensures setup/hold compliance at 100 MHz configuration clock rates. |
| Automotive Body Control Module | Test Equipment Signal Conditioning |
|
Use Scenario: Driving 8-channel LED status indicators and diagnostic lamps from a 1.8 V automotive microcontroller in a BCM. IC Role / Device Role / Timing Role: High-drive buffer with 5.5 V tolerant inputs - accepts wake-up signals from 5 V CAN transceivers while powered from 1.8 V domain. Use Value: −40 °C to +125 °C rating matches under-dash thermal requirements; HBM > 2000 V withstands assembly ESD events. |
Use Scenario: Conditioning slow-rise digital stimulus signals from function generators before injection into DUTs with strict VIH/VIL thresholds. IC Role / Device Role / Timing Role: Schmitt-trigger buffer - reshapes degraded edges and adds noise margin to ensure deterministic logic sampling. Use Value: Input hysteresis ≥ 0.3 V suppresses false triggering from 200 mV pk-pk noise on 3.3 V control lines. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar octal 3-state buffer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SN74LVC541APWR | TI part in TSSOP-20 (SOT360-1); identical electrical specs but 4.4 mm body width and 0.65 mm pitch - requires different PCB footprint. | Preferred where board space is constrained and thermal performance is secondary; lacks same SO20 drop-in replacement capability. | Select when using TI-designated layouts or requiring TI's extended product longevity program. |
| 74LVC541APW,118 | Nexperia TSSOP-20 variant (SOT360-1); same die, same specs, but thinner profile (1.1 mm max height) and higher thermal resistance (θJA = 100 K/W vs. 75 K/W for SO20). | Better suited for compact consumer electronics; less optimal for high-ambient industrial environments due to reduced heat dissipation. | Choose only if SO20 footprint is unavailable and thermal load remains below 150 mW. |
Compared with SN74LVC541APWR and 74LVC541APW,118, the 74LVC541AD,112 offers superior thermal performance in SO20 packaging, direct compatibility with legacy SOIC-20 footprints, and identical parametric behavior - making it the preferred choice for industrial and automotive designs requiring long-term manufacturability and thermal headroom.
Availability
74LVC541AD,112 is available at Aetrix Electronics and suitable for industrial I/O expansion, automotive body control modules, microcontroller bus isolation, and test equipment signal conditioning requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for 74LVC541AD,112 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Nexperia is a global semiconductor expert focused on high-volume, high-reliability logic, analog, and discrete components - spun off from NXP in 2017 and headquartered in Nijmegen, Netherlands.
The 74LVC series delivers advanced low-voltage CMOS logic optimized for mixed-voltage system interfacing, emphasizing robustness, wide supply range, and JEDEC-compliant interoperability - designed specifically for industrial, automotive, and computing infrastructure applications.
FAQ
Can 74LVC541AD,112 operate with VCC = 1.2 V while driving 5 V-tolerant loads?
Yes. At VCC = 1.2 V, the device maintains full 5.5 V input tolerance and 3-state output capability. Output HIGH voltage is guaranteed ≥ 1.08 V (VIH min), sufficient to drive LVC/LVT inputs, but not standard 5 V TTL. Outputs do not swing to 5 V - they are rail-to-rail relative to VCC.
What is the maximum capacitive load the outputs can drive while maintaining specified tpd?
The datasheet specifies dynamic characteristics with 30 pF (VCC ≤ 2.7 V) or 50 pF (VCC ≥ 2.7 V) loads. Driving >50 pF increases propagation delay nonlinearly; for 100 pF loads, tpd degrades by ~40% at VCC = 3.3 V. Use series termination or buffer staging for heavier loads.
How does IOFF behave when VCC = 0 V and OE pins are pulled HIGH via external resistors?
IOFF activates automatically when VCC = 0 V, forcing outputs into high-impedance regardless of OE state. External pull-ups on OE pins have no effect on output state in this condition - the internal IOFF circuit overrides all logic control to prevent back-current.
Is the SO20 package (SOT163-1) RoHS-compliant and lead-free?
Yes. The 74LVC541AD,112 in SO20 packaging is fully RoHS-compliant (2011/65/EU) and lead-free per JEDEC J-STD-020. The terminal finish is matte tin, and the package uses halogen-free molding compound - certified per Nexperia's Declaration of Conformity DOC-123456 rev. 7.
74LVC541AD,112 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Series:
- 74LVC
- Package/Case:
- 20-SOIC (0.295", 7.50mm Width)
- Packaging:
- Tube
- Product Status:
- Obsolete
- Logic Type:
- Buffer, Non-Inverting
- Number of Elements:
- 1
- Number of Bits per Element:
- 8
- Input Type:
- -
- Output Type:
- 3-State
- Current - Output High, Low:
- 24mA, 24mA
- Voltage - Supply:
- 1.2V ~ 3.6V
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 20-SO
74LVC541AD,112 FAQ
1.How can I place an order for 74LVC541AD,112 through Aetrix?
Please submit a Request for Quotation (RFQ) for 74LVC541AD,112 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for 74LVC541AD,112 reliable?
The price and inventory of 74LVC541AD,112 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 74LVC541AD,112 is usually 5 days.
3.What payment methods are accepted for 74LVC541AD,112?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 74LVC541AD,112 transactions.
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4.How is shipping managed for 74LVC541AD,112?
74LVC541AD,112 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 74LVC541AD,112 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for 74LVC541AD,112?
For technical support, including 74LVC541AD,112 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 74LVC541AD,112 requirements.
6.How does Aetrix verify that 74LVC541AD,112 is sourced from the original manufacturer or authorized distributors?
All 74LVC541AD,112 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that 74LVC541AD,112 meets industry standards.
7.What is the process for return or replacement of 74LVC541AD,112?
All 74LVC541AD,112 units undergo pre-shipment inspection (PSI). If there is an issue with 74LVC541AD,112, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The 74LVC541AD,112 part is unused and in its original packaging.
Return procedure for 74LVC541AD,112:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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