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

Texas Instruments SN74AUC1G07YZAR

Name: SN74AUC1G07YZAR
Brand: Texas Instruments
SKU: SN74AUC1G07YZAR
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: SN74AUC1G07YZAR

Manufacturer:: Texas Instruments

Category:: Buffers, Drivers, Receivers, Transceivers

Package:: 5-XFBGA, DSBGA

Datasheet:: SN74AUC1G07YZAR.pdf

Description:: IC BUFFER NON-INVERT 2.7V 5DSBGA

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Product details

Overview

SN74AUC1G07YZAR from Texas Instruments is a single non-inverting buffer with open-drain output, designed for 1.65-V to 1.95-V V_CC operation and 3.6-V I/O tolerant inputs. It delivers ±8-mA output drive at 1.8 V, achieves 2.5-ns max propagation delay, and supports partial-power-down via I_off. It is used in level-shifting interfaces between 1.8-V logic and higher-voltage buses in portable SSD controllers.

For engineers reviewing the SN74AUC1G07YZAR datasheet, SN74AUC1G07YZAR pinout, SN74AUC1G07YZAR application, or SN74AUC1G07YZAR equivalent, key selection criteria include open-drain compatibility with wired-OR bus topologies, sub-1-V operability down to 0.8 V, I_off-enabled power sequencing, and NanoFree™ WCSP package constraints for ultra-dense PCB layouts.

Technical Context

This device implements a single-channel non-inverting buffer with open-drain output stage, requiring an external pull-up resistor to define high-level output voltage. Its I_off circuitry actively disables both input and output paths when V_CC = 0 V, preventing back-current flow during partial power-down sequences in multi-rail systems.

It operates across 0.8-V to 2.7-V supply range but is optimized for 1.8-V nominal use, with VIH/VIL thresholds scaling to V_CC (e.g., VIH = 0.65×V_CC at 1.1–1.95 V). Input and output tolerate up to 3.6 V independent of V_CC, enabling mixed-voltage signal translation without level-shifters.

Key Specifications

Parameter	Value and Actual Design Meaning
V_CC Range	0.8 V to 2.7 V - supports sub-1-V operation and interoperability with 1.2-V, 1.5-V, and 1.8-V logic domains
Max t_pd	2.5 ns at 1.8 V, CL = 30 pF - enables timing-critical signal buffering in high-speed memory interfaces
I_OL Drive	±8 mA at 1.65 V - sufficient to drive 15-pF loads with <0.45-V VOL under typical conditions
I_CC Max	10 µA - ultra-low static power ideal for battery-backed subsystems and always-on wake logic
I_off	±10 µA at V_I/V_O = 2.7 V - ensures safe isolation during hot-insertion or rail sequencing
ESD Rating	2000-V HBM, 200-V MM, 1000-V CDM - meets industrial-grade robustness requirements without external protection
Input Tolerance	−0.5 V to 3.6 V - allows direct connection to 3.3-V or 2.5-V drivers without clamping diodes

Pinout & Package

NanoFree™ WCSP (YZA) package: 5-bump, 0.4-mm × 0.4-mm die-size footprint, Pb-free, bottom-side solder bumps. Pin 1 identified by solder-bump composition marker (• = Pb-free).

Pin/Terminal	Circuit Role	Design Meaning
1 (A)	Input	Non-inverting data input; accepts 0.8–3.6-V signals regardless of V_CC
2 (GND)	Ground	Reference return for all internal circuitry and I_off disable path
3 (NC)	No Internal Connection	Unused bump; must be left floating or grounded per PCB design rules - no internal tie
4 (Y)	Open-Drain Output	Active-low wired-OR capable; requires external pull-up to define VOH level
5 (V_CC)	Supply	Core logic supply; powers I_off circuitry and determines VIH/VIL thresholds

Key Features

Feature	Design Value
Open-Drain Output	Enables wired-OR bus arbitration and I²C-compatible bidirectional signaling with external pull-up
I_off Protection	Prevents backflow current during V_CC ramp-down, eliminating need for external isolation switches in multi-rail sequencing
3.6-V I/O Tolerance	Allows interfacing with legacy 3.3-V peripherals while operating from 1.8-V supply - no level shifter required
NanoFree™ WCSP	0.4-mm × 0.4-mm footprint reduces board area by >70% vs. SOT-23, critical for space-constrained SSD modules
Sub-1-V Operation	Functional at 0.8 V V_CC - supports emerging ultra-low-power domains in AI edge accelerators

Applications

PCIe Gen4 SSD Power Sequencing	USB 3.2 Type-C CC Line Detection
Use Scenario: Coordinating power-up order of 1.8-V controller and 3.3-V NAND flash in M.2 SSD modules. IC Role / Device Role / Timing Role: Open-drain buffer isolates reset and enable signals during rail transitions; I_off prevents backfeed when V_CC is unpowered. Use Value: Eliminates discrete MOSFETs in power-good handshaking, reducing BOM count and layout complexity.	Use Scenario: Detecting USB Type-C cable orientation by monitoring CC1/CC2 line states with 3.3-V pull-ups. IC Role / Device Role / Timing Role: Level-translating buffer accepts 3.3-V CC line voltage while driven by 1.8-V microcontroller GPIO. Use Value: Enables direct connection without resistive divider or dedicated level shifter, preserving signal integrity and ESD margin.
Low-Power IoT Sensor Hub Wake Logic	Industrial CAN Transceiver Standby Control
Use Scenario: Waking a 1.2-V MCU from deep sleep using a 3.3-V motion sensor interrupt signal. IC Role / Device Role / Timing Role: Non-inverting buffer with I_off holds interrupt line high-Z during MCU sleep, avoiding leakage paths. Use Value: Reduces quiescent current below 10 µA while maintaining fast (<2.5 ns) wake response time.	Use Scenario: Enabling/disabling standby mode of ISO1050 CAN transceiver using 1.8-V FPGA control signal. IC Role / Device Role / Timing Role: Open-drain driver pulls transceiver EN pin low; tolerates 5-V CAN bus noise coupling on adjacent traces. Use Value: Provides noise-immune enable control without additional voltage translation or filtering components.

PCIe Gen4 SSD Power Sequencing

USB 3.2 Type-C CC Line Detection

Use Scenario: Coordinating power-up order of 1.8-V controller and 3.3-V NAND flash in M.2 SSD modules.

IC Role / Device Role / Timing Role: Open-drain buffer isolates reset and enable signals during rail transitions; I_off prevents backfeed when V_CC is unpowered.

Use Value: Eliminates discrete MOSFETs in power-good handshaking, reducing BOM count and layout complexity.

Use Scenario: Detecting USB Type-C cable orientation by monitoring CC1/CC2 line states with 3.3-V pull-ups.

IC Role / Device Role / Timing Role: Level-translating buffer accepts 3.3-V CC line voltage while driven by 1.8-V microcontroller GPIO.

Use Value: Enables direct connection without resistive divider or dedicated level shifter, preserving signal integrity and ESD margin.

Low-Power IoT Sensor Hub Wake Logic

Industrial CAN Transceiver Standby Control

Use Scenario: Waking a 1.2-V MCU from deep sleep using a 3.3-V motion sensor interrupt signal.

IC Role / Device Role / Timing Role: Non-inverting buffer with I_off holds interrupt line high-Z during MCU sleep, avoiding leakage paths.

Use Value: Reduces quiescent current below 10 µA while maintaining fast (<2.5 ns) wake response time.

Use Scenario: Enabling/disabling standby mode of ISO1050 CAN transceiver using 1.8-V FPGA control signal.

IC Role / Device Role / Timing Role: Open-drain driver pulls transceiver EN pin low; tolerates 5-V CAN bus noise coupling on adjacent traces.

Use Value: Provides noise-immune enable control without additional voltage translation or filtering components.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
SN74LVC1G07DBVR	Higher V_CC min (1.65 V), 32-mA drive at 3.3 V, 4.5-ns t_pd - larger SOT-23-5 package	Requires PCB redesign for 2.9-mm × 1.6-mm footprint; not suitable for <0.5-mm² area budgets	Choose when higher drive strength and legacy SMT assembly compatibility outweigh size constraints.
NC7SZ07P5X	Same 1.8-V optimization, but only 2.2-ns t_pd; uses SC-70-5 package (2.0-mm × 1.25-mm); no I_off support	Lacks I_off - unsuitable for hot-plug or partial-power-down systems requiring back-current blocking	Choose for pure speed-critical paths where rail sequencing is not required and SC-70 is acceptable.

Compared with SN74LVC1G07DBVR and NC7SZ07P5X, the SN74AUC1G07YZAR uniquely combines NanoFree™ size, I_off protection, and 2.5-ns delay - making it the only option for space-constrained, multi-rail embedded systems requiring zero-backflow enable control.

Availability

SN74AUC1G07YZAR is available at Aetrix Electronics and suitable for PCIe SSD power sequencing, USB Type-C CC detection, low-power IoT wake logic, and industrial CAN transceiver control requiring stable component supply and long-term lifecycle assurance.

Supply support for SN74AUC1G07YZAR 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 company delivering analog and embedded processing solutions, with leadership in logic, power management, and signal chain technologies since 1930.

The SN74AUC1G07YZAR belongs to TI's AUC Sub-1-V Little Logic family, engineered for ultra-low-voltage, high-speed signal routing in portable storage, interface bridging, and power-aware embedded systems.

FAQ

What is the function of the NC pin on the SN74AUC1G07YZAR?

The NC (No Connection) pin on the SN74AUC1G07YZAR is an unused solder bump with no internal silicon connection. It must remain unconnected on the PCB - neither tied to GND nor V_CC. This bump exists solely for mechanical symmetry and thermal balance in the NanoFree™ WCSP structure and has zero electrical effect on SN74AUC1G07YZAR operation.

Can the SN74AUC1G07YZAR drive a 5-V pull-up resistor?

Yes - the SN74AUC1G07YZAR output is rated for 3.6-V tolerance, and its open-drain architecture allows safe connection to a 5-V pull-up via an external current-limiting resistor. The device itself does not source current; it only sinks up to ±8 mA at 1.8 V. The 5-V pull-up defines VOH, while SN74AUC1G07YZAR controls VOL through its sink capability.

Does the SN74AUC1G07YZAR support hot-swap insertion?

Yes - the SN74AUC1G07YZAR supports hot-swap insertion due to its I_off feature, which disables input and output paths when V_CC = 0 V. This prevents damaging back-current flow from live system rails into the unpowered SN74AUC1G07YZAR, satisfying JEDEC JESD78 Class II latch-up immunity (>100 mA) and enabling safe insertion into powered backplanes.

What is the minimum V_CC required for guaranteed operation of the SN74AUC1G07YZAR?

The SN74AUC1G07YZAR is fully specified down to 0.8 V V_CC, with functional operation confirmed across the entire 0.8-V to 2.7-V range. At 0.8 V, it maintains valid VIH/VIL thresholds (VIH = 0 V, VIL = 0 V), 0.25-V VOL at 0.7-mA load, and 4.7-ns t_pd. Thus, 0.8 V is the true minimum for guaranteed logic behavior - not just biasing - of the SN74AUC1G07YZAR.

How does the NanoFree™ YZA package differ from standard WCSP variants?

The NanoFree™ YZA package used for SN74AUC1G07YZAR features 0.17-mm small solder bumps, Pb-free finish, and bottom-side marking with year/month/sequence codes plus an assembly-site identifier (•). Unlike YEA/YEP variants, YZA is RoHS-compliant with SnAgCu finish and optimized for fine-pitch reflow profiles - distinguishing it electrically and mechanically from older SnPb WCSP versions while maintaining identical pinout and functionality for SN74AUC1G07YZAR.

SN74AUC1G07YZAR Specifications

Product attributes: Attribute value

Manufacturer:: Texas Instruments

Series:: 74AUC

Package/Case:: 5-XFBGA, DSBGA

Packaging:: Tape & Reel (TR)

Product Status:: Obsolete

Logic Type:: Buffer, Non-Inverting

Number of Elements:: 1

Number of Bits per Element:: 1

Input Type:: -

Output Type:: Open Drain

Current - Output High, Low:: -, 9mA

Voltage - Supply:: 0.8V ~ 2.7V

Operating Temperature:: -40°C ~ 85°C (TA)

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: 5-DSBGA (1.4x0.9)

SN74AUC1G07YZAR FAQ

1.How can I place an order for SN74AUC1G07YZAR through Aetrix?

Please submit a Request for Quotation (RFQ) for SN74AUC1G07YZAR 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 SN74AUC1G07YZAR reliable?

The price and inventory of SN74AUC1G07YZAR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SN74AUC1G07YZAR is usually 5 days.

3.What payment methods are accepted for SN74AUC1G07YZAR?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SN74AUC1G07YZAR transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for SN74AUC1G07YZAR?

SN74AUC1G07YZAR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your SN74AUC1G07YZAR 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 SN74AUC1G07YZAR?

For technical support, including SN74AUC1G07YZAR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SN74AUC1G07YZAR requirements.

6.How does Aetrix verify that SN74AUC1G07YZAR is sourced from the original manufacturer or authorized distributors?

All SN74AUC1G07YZAR 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 SN74AUC1G07YZAR meets industry standards.

7.What is the process for return or replacement of SN74AUC1G07YZAR?

All SN74AUC1G07YZAR units undergo pre-shipment inspection (PSI). If there is an issue with SN74AUC1G07YZAR, 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 SN74AUC1G07YZAR part is unused and in its original packaging.

Return procedure for SN74AUC1G07YZAR:

1.Submit a request within 90 days.

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

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