Texas Instruments SN74AUC1G07DBVR

Overview

SN74AUC1G07DBVR from Texas Instruments is a single non-inverting buffer/driver with open-drain output, designed for 1.65–1.95 V operation and 3.6-V I/O tolerant signaling. It delivers ±8-mA output drive at 1.8 V, achieves 2.5 ns max propagation delay (tpd), and supports partial power-down via Ioff. It is used in level-shifting and wired-OR bus interface circuits in portable audio and embedded PC applications.

For engineers reviewing the SN74AUC1G07DBVR datasheet, SN74AUC1G07DBVR pinout, SN74AUC1G07DBVR application, or SN74AUC1G07DBVR equivalent, key selection criteria include open-drain logic compatibility, sub-1-V operability, Ioff-enabled back-drive protection, and NanoFree™ SOT-23 package footprint constraints.

Technical Context

This device implements a single positive-logic buffer with an open-drain output stage, enabling active-low wired-OR and active-high wired-AND configurations when multiple outputs share a common pull-up. Its Ioff circuitry actively disables outputs during power-down to prevent current backflow.

It operates across 0.8–2.7 V VCC, but is optimized for 1.65–1.95 V supply rails-making it suitable for mixed-voltage signal translation between 1.8-V logic domains and higher-voltage peripherals. Input thresholds scale with VCC (VIH = 0.65×VCC, VIL = 0.35×VCC) over its core operating range.

Key Specifications

Pinout & Package

SOT-23 (DBV) 5-pin package, 2.90 mm × 1.60 mm body size, 1.45 mm max height, NanoFree™ die-as-package construction.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar open-drain buffer applications.

Compared with SN74LVC1G07DBVR and NC7SZ07P5X, the SN74AUC1G07DBVR uniquely combines sub-1-V operation, 2.5 ns speed at 1.8 V, and guaranteed Ioff - making it optimal for next-generation portable and ultra-low-power embedded systems where voltage scaling and power-domain isolation are critical.

Availability

SN74AUC1G07DBVR is available at Aetrix Electronics and suitable for portable audio, embedded PC, and solid-state drive applications requiring stable component supply, long-term lifecycle support, and RoHS-compliant sourcing.

Supply support for SN74AUC1G07DBVR 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

Texas Instruments is a global semiconductor leader specializing in analog, embedded processing, and logic solutions, with decades of expertise in low-voltage logic innovation.

The SN74AUC1G07DBVR belongs to TI's AUC Sub-1-V Little Logic family, engineered specifically for high-speed, ultra-low-power signal conditioning in space-constrained portable and battery-operated systems.

FAQ

What is the maximum operating voltage for SN74AUC1G07DBVR?

The SN74AUC1G07DBVR supports absolute maximum VCC up to 3.6 V, but its recommended operating range is 0.8 V to 2.7 V. For optimal performance-including 2.5 ns propagation delay and ±8-mA drive-it is specifically characterized and optimized for 1.65–1.95 V operation. Exceeding 2.7 V violates recommended conditions and may impact reliability or parametric guarantees.

Does SN74AUC1G07DBVR support true bidirectional level shifting?

No-SN74AUC1G07DBVR is a unidirectional buffer with an open-drain output. It can translate low-voltage inputs (e.g., 1.8 V) to higher-voltage logic levels (e.g., 3.3 V) using an external pull-up, but cannot pass signals from the output side back to the input. True bidirectional level shifting requires dedicated translators like TXB0104 or PCA9306-not the SN74AUC1G07DBVR.

How does Ioff functionality work in SN74AUC1G07DBVR?

In SN74AUC1G07DBVR, the Ioff circuitry automatically disables the output driver when VCC = 0 V or is below functional threshold, limiting Ioff current to ±10 µA. This prevents damaging current from flowing into or out of the Y pin when the device is unpowered-critical for hot-swap and multi-rail power sequencing in SSDs and embedded PCs.

Can SN74AUC1G07DBVR replace SN74AUC1G125DBVR in a design?

No-SN74AUC1G125DBVR is a 3-state buffer with active-high enable, while SN74AUC1G07DBVR is an open-drain buffer with no enable input. Their functions are fundamentally different: the '125 supports bus multiplexing via tri-state control; the '07 supports wired-OR logic and pull-up-based interfacing. Substitution would require schematic and firmware changes.

What is the significance of the "NanoFree™" package in SN74AUC1G07DBVR?

NanoFree™ refers to TI's die-as-package technology used in SN74AUC1G07DBVR: the silicon die itself forms the package structure, eliminating traditional leadframes and molding compounds. This yields a 2.90 mm × 1.60 mm SOT-23 footprint with improved thermal performance (RθJA = 206°C/W) and reduced parasitic inductance-ideal for high-density portable layouts.