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Home > Products > Integrated Circuits (ICs) > Logic > Buffers, Drivers, Receivers, Transceivers

Nexperia USA Inc. 74LVCH16541ADGG,11

Name: 74LVCH16541ADGG,11
Brand: Nexperia USA Inc.
SKU: 74LVCH16541ADGG,11
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: 74LVCH16541ADGG,11

Manufacturer:: Nexperia USA Inc.

Category:: Buffers, Drivers, Receivers, Transceivers

Package:: 48-TFSOP (0.240", 6.10mm Width)

Datasheet:: 74LVCH16541ADGG,11.pdf

Description:: IC BUF NON-INVERT 3.6V 48TSSOP

Quantity:: RFQ Add To RFQ list

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Product details

Overview

74LVCH16541ADGG,11 from Nexperia is a 16-bit dual 8-bit non-inverting 3-state buffer/line driver with bus hold on all data inputs, operating from 1.2 V to 3.6 V supply, supporting 5 V-tolerant I/O for mixed-voltage interfacing in industrial control backplanes and memory expansion buses.

For engineers reviewing the 74LVCH16541ADGG,11 datasheet, 74LVCH16541ADGG,11 pinout, 74LVCH16541ADGG,11 application, or 74LVCH16541ADGG,11 equivalent, key selection criteria include 3-state enable timing (tdis ≤ 7.0 ns at 3.3 V), bus hold current (±75 μA at 3.0 V), wide temperature range (−40 °C to +125 °C), and TSSOP48 package compatibility with high-density PCB layouts.

Technical Context

The device integrates two independent 8-bit buffer sections (1A→1Y and 2A→2Y), each with dual active-low output enables (1OE1/1OE2 and 2OE1/2OE2) enabling granular 3-state control per byte. Bus hold circuitry eliminates external pull-ups on all 16 data inputs, sustaining logic states without external biasing.

It complies with JEDEC standards JESD8-7A (1.65–1.95 V), JESD8-5A (2.3–2.7 V), and JESD8-C/JESD36 (2.7–3.6 V), and features low-noise design via multiple low-inductance VCC/GND pins (4 VCC, 8 GND) distributed across the TSSOP48 footprint to suppress ground bounce.

Key Specifications

Parameter	Value and Actual Design Meaning
Supply Voltage Range	1.2 V to 3.6 V - Enables operation in ultra-low-power IoT nodes and legacy 3.3 V systems while maintaining compatibility with 5 V-tolerant I/O.
Input Voltage Tolerance	Up to 5.5 V - Allows direct connection to 5 V logic without level shifters in mixed-voltage bus interfaces.
Propagation Delay (tpd)	1.0 ns to 5.5 ns (VCC = 3.0–3.6 V) - Supports high-speed data latching in memory address/data buffers with sub-6 ns timing margin.
Bus Hold Current	±75 μA at VI = 0.8 V / 2.0 V (VCC = 3.0 V) - Actively maintains input state during floating conditions, removing need for 10 kΩ external pull resistors.
Operating Temperature	−40 °C to +125 °C - Qualified for under-hood automotive ECUs, industrial PLCs, and base station power management modules.
ESD Protection	HBM > 2000 V, CDM > 1000 V - Ensures robust handling during automated PCB assembly and field service without additional protection circuitry.
Output Drive Strength	±24 mA (VOH/VOL @ VCC = 3.0 V) - Drives 15 pF loads across 10 cm traces in high-speed backplane applications without signal integrity degradation.

Pinout & Package

TSSOP48 (SOT362-1) package: plastic thin shrink small outline, 48 leads, 6.1 mm body width, 0.5 mm lead pitch, 1.2 mm max height - optimized for automated placement and reflow in high-volume industrial PCB assembly.

Pin/Terminal	Circuit Role	Design Meaning
1OE1, 1OE2, 2OE1, 2OE2	Active-low 3-state enable inputs	Independent per-byte control: OE1 enables Y0–Y7 of first octet; OE2 enables second octet - supports interleaved bus arbitration.
1A0–1A7, 2A0–2A7	Data inputs (16 total)	All equipped with bus hold - prevents metastability on unused inputs in hot-plug or partial-bus configurations.
1Y0–1Y7, 2Y0–2Y7	Non-inverting buffered outputs (16 total)	High-impedance OFF-state when any associated OE is HIGH - enables multi-drop bus sharing without contention.
VCC (Pins 7, 18, 31, 42)	Positive supply	Four dedicated VCC pins reduce IR drop and supply noise across wide die - critical for simultaneous switching noise (SSN) control.
GND (Pins 4, 10, 15, 21, 28, 34, 39, 45)	Ground reference	Eight GND pins provide low-inductance return paths - minimizes ground bounce in 16-bit parallel data transfers.

Key Features

Feature	Design Value
Dual 8-bit flow-through architecture	Separate A/Y signal paths per octet with standard pinout - simplifies PCB routing and reduces crosstalk vs. interleaved layouts.
5 V-tolerant I/O with bus hold	Inputs accept 0–5.5 V regardless of VCC (1.2–3.6 V); bus hold sustains logic state without external components - cuts BOM count by ≥16 resistors.
Low-noise power distribution	4 VCC + 8 GND pins placed symmetrically - lowers simultaneous switching output (SSO) noise below 50 mV peak-to-peak in 16-bit burst mode.
Extended temperature operation	Functional across −40 °C to +125 °C - validated for use in motor drive gate driver boards and telecom line cards without derating.
JEDEC-compliant voltage ranges	Fully compliant with JESD8-7A, JESD8-5A, and JESD8-C - ensures interoperability with industry-standard 1.8 V, 2.5 V, and 3.3 V logic families.

Applications

Industrial Backplane Interface

Memory Expansion Module

Use Scenario: Bidirectional data buffering between FPGA and legacy ISA-style peripheral cards in programmable logic controllers.

IC Role / Device Role / Timing Role: Non-inverting 16-bit buffer with independent byte enables synchronizes asynchronous bus cycles and isolates FPGA I/O from card-level noise.

Use Value: 5 V-tolerant inputs interface directly with 5 V ISA peripherals; bus hold prevents glitches during hot-swap insertion/removal.

Use Scenario: Address/data latching between microcontroller and parallel NOR flash in edge gateway firmware update modules.

IC Role / Device Role / Timing Role: 3-state driver isolates flash bus during MCU boot sequence and enables shared access with debug interfaces.

Use Value: tdis ≤ 7.0 ns ensures clean bus release before flash command setup; ±24 mA drive supports 10 cm trace lengths.

Automotive Body Control Unit

Test Equipment Signal Conditioning

Use Scenario: Level translation and signal conditioning between 3.3 V MCU and 5 V sensor cluster in vehicle door module.

IC Role / Device Role / Timing Role: Dual-octet buffer provides isolated 8-bit data paths for window/mirror control signals with fail-safe high-Z default.

Use Value: −40 °C to +125 °C rating meets AEC-Q100 Grade 2 requirements; bus hold prevents floating inputs during CAN bus reset events.

Use Scenario: Input signal conditioning and fanout for 16-channel digital pattern generator in automated test equipment.

IC Role / Device Role / Timing Role: Low-skew (<1.5 ns) 3-state driver distributes synchronized test vectors to DUT pins while enabling channel masking.

Use Value: tsk(o) ≤ 1.5 ns ensures deterministic timing across all 16 outputs; 4 VCC/8 GND pins maintain signal fidelity at 100 MHz toggle rates.

Equivalent & Alternatives

The following parts are listed as comparable options for similar 16-bit 3-state buffer applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
SN74LVC16244ADGGR	Single-enable per octet (2 enables total); no bus hold; 1.65–3.6 V only	Lacks bus hold - requires external pull resistors; narrower VCC range excludes 1.2 V ultra-low-power use cases	Select when cost sensitivity outweighs bus hold requirement and system operates strictly at ≥1.65 V.
74ALVC164245PW,118	Bidirectional with direction control; 2.3–3.6 V only; no bus hold	Supports bidirectional data flow but lacks bus hold and 1.2 V operation - unsuitable for unidirectional high-noise environments	Choose only if bidirectional capability is mandatory and 5 V tolerance is handled externally.

Compared with SN74LVC16244ADGGR and 74ALVC164245PW,118, the 74LVCH16541ADGG,11 uniquely combines 1.2 V operation, integrated bus hold, and 5 V-tolerant I/O - making it the sole option for robust, low-BOM-count 16-bit buffering in mixed-voltage industrial and automotive domains.

Availability

74LVCH16541ADGG,11 is available at Aetrix Electronics and suitable for industrial backplane interfaces, memory expansion modules, automotive body control units, and test equipment signal conditioning requiring stable component supply across extended temperature and mixed-voltage environments.

Supply support for 74LVCH16541ADGG,11 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 delivering high-performance logic, discrete, and MOSFET solutions with focus on efficiency, reliability, and miniaturization for industrial, automotive, and computing markets.

The 74LVCH series targets low-voltage, high-noise-immunity bus interface applications - designed specifically for robust signal integrity in dense PCB layouts with mixed 3.3 V/5 V subsystems.

FAQ

What is the maximum allowable input voltage when VCC = 0 V?

When VCC = 0 V, the 74LVCH16541ADGG,11 allows up to 5.5 V on inputs and outputs due to its power-off protection architecture. This enables safe hot-plug operation in systems where peripherals may be powered before the host logic rail - verified per IOFF leakage specification (±10 μA at 5.5 V).

How does bus hold functionality interact with 5 V inputs?

The bus hold circuit disables automatically when input voltage exceeds VCC, allowing 5.5 V signals to pass through without damage or contention. At VI > VCC, the internal bus hold transistor turns off, preserving signal integrity while maintaining 5 V tolerance - confirmed in Section 9 footnote [2] of the datasheet.

Can both output enable pairs (1OE1/1OE2 and 2OE1/2OE2) be asserted simultaneously?

Yes - asserting any combination of the four active-low enables places corresponding outputs in high-impedance state. For example, driving 1OE1 = LOW and 1OE2 = HIGH disables only the first four bits of octet 1, enabling fine-grained bus partitioning without external logic.

What is the thermal derating behavior above 109 °C ambient?

For the TSSOP48 package, total power dissipation derates linearly at 12.2 mW/K above 109 °C ambient. At 125 °C, Ptot drops to 295 mW (500 mW − (12.2 × 16)), ensuring safe operation within absolute maximum ratings - specified in Table 4 footnote [3].

74LVCH16541ADGG,11 Specifications

Product attributes: Attribute value

Manufacturer:: Nexperia USA Inc.

Series:: 74LVCH

Package/Case:: 48-TFSOP (0.240", 6.10mm Width)

Packaging:: Tube

Product Status:: Obsolete

Logic Type:: Buffer, Non-Inverting

Number of Elements:: 2

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:: 48-TSSOP

74LVCH16541ADGG,11 FAQ

1.How can I place an order for 74LVCH16541ADGG,11 through Aetrix?

Please submit a Request for Quotation (RFQ) for 74LVCH16541ADGG,11 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 74LVCH16541ADGG,11 reliable?

The price and inventory of 74LVCH16541ADGG,11 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 74LVCH16541ADGG,11 is usually 5 days.

3.What payment methods are accepted for 74LVCH16541ADGG,11?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 74LVCH16541ADGG,11 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for 74LVCH16541ADGG,11?

74LVCH16541ADGG,11 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your 74LVCH16541ADGG,11 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 74LVCH16541ADGG,11?

For technical support, including 74LVCH16541ADGG,11 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 74LVCH16541ADGG,11 requirements.

6.How does Aetrix verify that 74LVCH16541ADGG,11 is sourced from the original manufacturer or authorized distributors?

All 74LVCH16541ADGG,11 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 74LVCH16541ADGG,11 meets industry standards.

7.What is the process for return or replacement of 74LVCH16541ADGG,11?

All 74LVCH16541ADGG,11 units undergo pre-shipment inspection (PSI). If there is an issue with 74LVCH16541ADGG,11, 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 74LVCH16541ADGG,11 part is unused and in its original packaging.

Return procedure for 74LVCH16541ADGG,11:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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