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Nexperia USA Inc. 74AVC1T45GXZ
- Part No.:
- 74AVC1T45GXZ
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Translators, Level Shifters
- Package:
- Datasheet:
-
74AVC1T45GXZ.pdf
- Description:
- 74AVC1T45GX/SOT1255/X2SON6
- Quantity:
- Payment:
- Shipping:
Inventory:2,998
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Product details
Overview
74AVC1T45GXZ from Nexperia is a single-bit, dual-supply voltage level translator/transceiver with 3-state output, enabling bidirectional logic-level translation between independent 0.8 V–3.6 V domains (e.g., 1.2 V MCU I/O to 3.3 V peripheral bus). It features isolated VCC(A) and VCC(B) supplies, DIR-controlled directionality, IOFF circuitry for partial power-down, and operates across –40 °C to +125 °C.
For engineers reviewing the 74AVC1T45GXZ datasheet, 74AVC1T45GXZ pinout, 74AVC1T45GXZ application, or 74AVC1T45GXZ equivalent, this device is selected for low-voltage inter-domain signal bridging in space-constrained embedded systems where rail-to-rail translation, suspend-mode isolation, and sub-10 ns propagation delay at 1.8 V/3.3 V are required.
Technical Context
The 74AVC1T45GXZ implements a dual-rail CMOS transceiver architecture with separate input-reference domains: A and DIR pins referenced to VCC(A), B pin referenced to VCC(B). Direction control is asynchronous and edge-independent - DIR HIGH enables A→B transmission; DIR LOW enables B→A transmission.
Its IOFF circuitry actively disables outputs when either VCC(A) or VCC(B) is at GND, forcing both A and B into high-impedance OFF-state to prevent backflow current. Static and dynamic characteristics (e.g., VIH/VIL thresholds, tpd, tdis) are fully specified across overlapping voltage pairs and temperature ranges up to +125 °C.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCC(A) / VCC(B) Range | 0.8 V to 3.6 V each - supports translation between any two low-voltage rails (e.g., 1.2 V ↔ 2.5 V, 1.8 V ↔ 3.3 V) without level-shifter ICs or resistive networks. |
| Propagation Delay (A→B) | ≤ 7.1 ns @ VCC(A)=3.3 V, VCC(B)=3.3 V, –40 °C to +85 °C - ensures timing-critical bidirectional data handshaking in high-speed serial interfaces. |
| IOFF Leakage Current | ±1 μA max @ VCC(A)=0 V, VCC(B)=3.6 V - guarantees safe hot-swap and partial power-down operation without damaging current flow into powered domains. |
| ESD Protection | HBM > 8000 V, CDM > 1000 V - meets industrial-grade robustness requirements for board-level handling and system integration. |
| Operating Temperature | –40 °C to +125 °C - qualified for automotive under-hood, industrial motor control, and telecom infrastructure applications. |
| Supply Current (ICC) | 24 μA max @ VCC=3.6 V, Tamb=25 °C - enables ultra-low-quiescent-power operation in battery-backed or always-on subsystems. |
| Input Capacitance (CI) | 1.0 pF @ DIR input, VCC=3.3 V - minimizes capacitive loading on driving GPIOs, preserving signal integrity in high-frequency digital buses. |
Pinout & Package
X2SON6 package (SOT1255-2): plastic thermal-enhanced extremely thin small outline, no leads, 6 terminals, body size 1.0 × 0.8 × 0.32 mm, pin 1 index located at lower-left corner below marking code "B5".
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 - VCC(A) | Supply reference for port A and DIR input | Defines logic thresholds for A and DIR; must be stable before signal assertion to avoid metastability or latch-up. |
| 2 - GND | Common ground reference | Single shared ground plane required; no split-ground or isolated GND connections permitted per datasheet layout guidance. |
| 3 - A | Bidirectional data I/O referenced to VCC(A) | Functions as input or output depending on DIR state; exhibits rail-to-rail swing relative to VCC(A). |
| 4 - B | Bidirectional data I/O referenced to VCC(B) | Swings rail-to-rail relative to VCC(B); electrically isolated from A domain except through active transceiver path. |
| 5 - DIR | Direction control input (VCC(A)-referenced) | Asynchronous control: HIGH = A→B, LOW = B→A; no internal debouncing - external synchronization required in real-time systems. |
| 6 - VCC(B) | Supply reference for port B | Independent of VCC(A); allows true dual-domain operation even if one supply is off or ramping during power sequencing. |
Key Features
| Feature | Design Value |
|---|---|
| Dual-supply translation | Enables interoperability between heterogeneous voltage domains (e.g., 1.2 V FPGA core and 3.3 V sensor interface) without external biasing or discrete FETs. |
| IOFF partial power-down | Prevents destructive back-current when one supply is unpowered - critical for modular systems with hot-pluggable modules or sleep/wake domain partitioning. |
| Suspend mode | Automatic high-Z state on both A and B when either VCC(A) or VCC(B) = GND - eliminates bus contention and leakage paths during firmware-initiated shutdown. |
| JEDEC-compliant voltage standards | Validated against JESD8-12 (0.8–1.3 V), JESD8-11 (0.9–1.65 V), JESD8-7 (1.65–1.95 V), JESD8-5 (2.3–2.7 V), and JESD8C (2.7–3.6 V) - ensures compatibility with industry-standard logic families. |
| Low-noise switching | Overshoot/undershoot < 10 % of VCC - reduces EMI and eliminates need for external termination or filtering in noise-sensitive analog-adjacent layouts. |
Applications
| Industrial PLC I/O Module | Automotive ADAS Sensor Hub |
|---|---|
|
Use Scenario: Interfacing 1.8 V CAN FD controller GPIOs with 3.3 V analog front-end ADCs and DACs in a compact sensor fusion module. IC Role / Device Role: Bidirectional voltage translator isolating supply domains while maintaining synchronous data exchange between controller and mixed-signal peripherals. Use Value: Eliminates need for discrete MOSFET translators or level-shifting buffers, reducing BOM count by 3+ components and PCB area by >12 mm². |
Use Scenario: Bridging 1.2 V vision processor MIPI D-PHY control lines to 2.5 V image sensor power management ICs in an automotive camera ECU. IC Role / Device Role: Direction-controlled level shifter ensuring safe, glitch-free communication during power sequencing and thermal throttling events. Use Value: IOFF protection prevents backfeed into powered vision processor during sensor reset cycles, improving functional safety compliance (ISO 26262 ASIL-B). |
| Wearable Health Monitor | 5G Small Cell Baseband Unit |
|
Use Scenario: Connecting ultra-low-power 0.8 V ARM Cortex-M0+ MCU GPIOs to 1.8 V Bluetooth LE radio transceiver control lines in a battery-operated ECG patch. IC Role / Device Role: Low-leakage, rail-flexible translator enabling deep-sleep current optimization (<1 μA system standby) via selective domain shutdown. Use Value: Achieves 2.1-year battery life at 100 μA avg. system current - enabled by sub-μA suspend-mode leakage and 0.8 V minimum VCC support. |
Use Scenario: Level-shifting between 1.5 V FPGA configuration interface and 3.3 V RF front-end power amplifiers in a thermally constrained mmWave beamformer card. IC Role / Device Role: High-speed, thermally robust translator supporting 320 Mbit/s data rates at 1.5 V → 3.3 V while operating up to +125 °C ambient. Use Value: Enables direct FPGA-to-RFIC control without intermediate buffers, reducing latency by 8.2 ns and eliminating 300 mW of additional heat generation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-supply voltage translation applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TXS0101DCKR (TI) | Single-channel, 5-pin SC70; lacks IOFF; max VCC differential = 3.6 V; only supports 1.2 V–3.6 V translation. | No suspend-mode isolation - unsuitable for hot-swap or partial power-down systems requiring back-current blocking. | Select when cost sensitivity outweighs IOFF requirement and full 0.8 V support is unnecessary. |
| SN74AVC1T45DBVR (TI) | Same functionality but SOT-23-6 package (larger footprint, higher thermal resistance); identical electrical specs and IOFF behavior. | Less suitable for ultra-dense layouts (e.g., wearables, mmWave modules) due to 2.9 mm × 1.6 mm vs. X2SON6's 1.0 mm × 0.8 mm body. | Select when legacy SOT-23 assembly lines are used and thermal derating margin >15 °C is available. |
Compared with TXS0101DCKR and SN74AVC1T45DBVR, the 74AVC1T45GXZ uniquely combines 0.8 V minimum supply support, X2SON6's 0.32 mm profile for thermal efficiency in stacked PCBs, and guaranteed IOFF compliance - making it optimal for next-gen space- and power-constrained designs.
Availability
74AVC1T45GXZ is available at Aetrix Electronics and suitable for industrial PLC I/O modules, automotive ADAS sensor hubs, wearable health monitors, and 5G small cell baseband units requiring stable component supply across extended temperature and voltage ranges.
Supply support for 74AVC1T45GXZ 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, discrete, and MOSFET solutions for automotive, industrial, and mobile markets.
The 74AVC1T45GXZ belongs to Nexperia's AVC advanced very low-voltage logic family, engineered specifically for seamless voltage domain bridging in energy-efficient, miniaturized embedded systems operating down to 0.8 V.
FAQ
What is the minimum valid VCC(A) and VCC(B) voltage for functional operation?
The 74AVC1T45GXZ is fully specified from 0.8 V to 3.6 V on both VCC(A) and VCC(B), with guaranteed VIH/VIL thresholds, propagation delay, and IOFF behavior across this range. Operation below 0.8 V is not characterized and may result in undefined logic states or increased leakage.
Can DIR be driven from a different voltage domain than VCC(A)?
No - DIR is strictly referenced to VCC(A), and its VIH/VIL thresholds scale with VCC(A) (e.g., VIH = 0.65 × VCC(A)). Driving DIR from a non-VCC(A) source violates absolute maximum ratings and risks latch-up or incorrect direction control.
Does the device require external pull-up or pull-down resistors on A or B ports?
No - the 74AVC1T45GXZ has no internal bus-hold or weak pull resistors. External termination is required only if needed for signal integrity (e.g., stub elimination on long traces), not for DC bias. Bus contention must be avoided via coordinated DIR timing.
How does suspend mode behave when only VCC(A) is powered?
When VCC(A) is powered and VCC(B) = GND, the device enters suspend mode: both A and B ports go high-impedance (Z), and IOFF limits leakage to ≤±1 μA. This prevents current injection into the unpowered VCC(B) domain, satisfying IEC 61000-4-2 system-level ESD immunity requirements.
74AVC1T45GXZ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Series:
- 74AVC
- Package/Case:
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Translator Type:
- Voltage Level
- Channel Type:
- Bidirectional
- Number of Circuits:
- 1
- Channels per Circuit:
- 1
- Voltage - VCCA:
- 0.8 V ~ 3.6 V
- Voltage - VCCB:
- 0.8 V ~ 3.6 V
- Input Signal:
- -
- Output Signal:
- -
- Output Type:
- Tri-State
- Data Rate:
- 500Mbps
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Features:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 6-XFDFN
74AVC1T45GXZ FAQ
1.How can I place an order for 74AVC1T45GXZ through Aetrix?
Please submit a Request for Quotation (RFQ) for 74AVC1T45GXZ 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 74AVC1T45GXZ reliable?
The price and inventory of 74AVC1T45GXZ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 74AVC1T45GXZ is usually 5 days.
3.What payment methods are accepted for 74AVC1T45GXZ?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 74AVC1T45GXZ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 74AVC1T45GXZ?
74AVC1T45GXZ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 74AVC1T45GXZ 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 74AVC1T45GXZ?
For technical support, including 74AVC1T45GXZ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 74AVC1T45GXZ requirements.
6.How does Aetrix verify that 74AVC1T45GXZ is sourced from the original manufacturer or authorized distributors?
All 74AVC1T45GXZ 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 74AVC1T45GXZ meets industry standards.
7.What is the process for return or replacement of 74AVC1T45GXZ?
All 74AVC1T45GXZ units undergo pre-shipment inspection (PSI). If there is an issue with 74AVC1T45GXZ, 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 74AVC1T45GXZ part is unused and in its original packaging.
Return procedure for 74AVC1T45GXZ:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
74AVC1T45GXZ Tags
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