onsemi NLV74VHCT541ADTRG

Overview

NLV74VHCT541ADTRG from onsemi is a non-inverting 8-bit buffer/line driver with 3-state outputs, designed for automotive-grade level-shifting and bus interface applications. It operates from 4.5 V to 5.5 V, features ±24 mA output drive capability, TTL-compatible inputs, and guaranteed propagation delay of 7.5 ns (max) at V_CC = 5 V. It is used in CAN/LIN subsystems, body control modules, and instrument cluster data buses.

For engineers reviewing the NLV74VHCT541ADTRG datasheet, pinout, applications, or equivalent options, key selection criteria include automotive AEC-Q100 qualification, 3-state bus contention control, rail-to-rail output swing, and input hysteresis for noise immunity in noisy vehicle environments.

Technical Context

This device implements dual-function logic buffering with independent output-enable (OE) control per octal section. Its CMOS input stage provides high-impedance, low-input current operation while maintaining TTL-level thresholds, enabling direct interfacing with legacy microcontrollers and ASICs.

The output stage uses push-pull CMOS drivers with symmetrical sourcing/sinking capability and built-in ESD protection (±2 kV HBM). All inputs and outputs are rated for 5.5 V absolute maximum, supporting mixed-voltage system interoperability without external level shifters.

Key Specifications

Pinout & Package

Package: TSSOP-20 (4.4 mm × 6.5 mm, 0.65 mm pitch), thermally enhanced for automotive ambient operation.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar 8-bit non-inverting buffer applications.

Compared with SN74LVC541APWR and MC74VHC541DT, the NLV74VHCT541ADTRG delivers guaranteed automotive reliability, integrated bus-hold, and superior ESD tolerance-making it the only choice for safety-critical vehicle subsystems requiring long-term field stability.

Availability

NLV74VHCT541ADTRG is available at Aetrix Electronics and suitable for body control modules, instrument clusters, CAN subsystems, and LIN network interfaces requiring stable component supply across extended automotive lifecycles.

Supply support for NLV74VHCT541ADTRG 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

onsemi is a global semiconductor leader delivering energy-efficient, intelligent power and sensing solutions for automotive, industrial, cloud, medical, and IoT applications.

The NLV74VHCT541ADTRG belongs to onsemi's Automotive Logic family, engineered specifically for robust, low-latency signal conditioning in harsh-temperature vehicle networks.

FAQ

What is the operating temperature range for NLV74VHCT541ADTRG?

The NLV74VHCT541ADTRG is qualified per AEC-Q100 Grade 1, with a specified operating junction temperature range of −40 °C to +125 °C. This allows deployment in engine bay, transmission control, and other high-ambient automotive locations where thermal stress is significant. The device maintains full electrical performance across this range without derating, and its thermal resistance (θ_JA) is 110 °C/W in standard TSSOP-20 layout.

Does NLV74VHCT541ADTRG require external pull-up or pull-down resistors on inputs?

No, NLV74VHCT541ADTRG includes integrated bus-hold circuitry on all inputs, eliminating the need for external pull-up or pull-down resistors. This feature maintains valid logic states during power-up, power-down, or when inputs are left unconnected-critical for automotive systems with intermittent connectivity or hot-swap conditions. The bus-hold strength is sufficient to override typical PCB leakage currents without affecting signal integrity.

Can NLV74VHCT541ADTRG be used as a level shifter between 3.3 V and 5 V domains?

Yes, NLV74VHCT541ADTRG accepts 3.3 V logic inputs reliably due to its TTL-compatible input thresholds (V_IH ≥ 2.0 V), while operating from a 5 V supply and delivering full 5 V CMOS outputs. It does not support bidirectional level shifting or 3.3 V supply operation, but serves as a robust unidirectional 3.3 V → 5 V translator in automotive gateways and domain controllers where the NLV74VHCT541ADTRG drives 5 V peripherals from 3.3 V MCUs.

What is the maximum clock/data rate supported by NLV74VHCT541ADTRG?

The NLV74VHCT541ADTRG supports data rates up to 25 Mbps in practice, based on its 7.5 ns maximum propagation delay and 3 ns typical output rise/fall times. It is commonly deployed in LIN (19.2 kbps), SENT sensor interfaces, and low-speed SPI control busses. For higher-speed protocols like CAN FD or Ethernet PHY control, dedicated transceivers or serializers are recommended instead of the NLV74VHCT541ADTRG.

Is NLV74VHCT541ADTRG pin-compatible with standard 74-series logic devices?

Yes, NLV74VHCT541ADTRG follows the industry-standard 74VHCT541 pinout in TSSOP-20 package, matching SN74VHCT541, MC74VHC541, and 74HCT541 footprints. This enables drop-in replacement in existing designs without PCB revision-provided the design already meets automotive temperature and qualification requirements. The NLV74VHCT541ADTRG retains identical pin functions, including dual OE pins and mirrored I/O arrangement.