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NXP Semiconductors 74LVC1T45GM,132
- Part No.:
- 74LVC1T45GM,132
- Manufacturer:
- NXP Semiconductors
- Category:
- Translators, Level Shifters
- Package:
- Datasheet:
-
74LVC1T45GM,132.pdf
- Description:
- NEXPERIA 74LVC1T45 - BUS TRANSCE
- Quantity:
- Payment:
- Shipping:
Inventory:37,261
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Product details
Overview
74LVC1T45GM,132 from Nexperia is a single-bit dual-supply translating transceiver with 3-state outputs, enabling bidirectional level translation between independent voltage domains (1.2 V to 5.5 V). It features separate VCC(A) and VCC(B) supplies, direction control (DIR), and IOFF circuitry for partial power-down protection. Used in mixed-voltage I²C, UART, or GPIO interfacing between SoC and peripheral ICs.
For engineers reviewing the 74LVC1T45GM,132 datasheet, 74LVC1T45GM,132 pinout, 74LVC1T45GM,132 application, or 74LVC1T45GM,132 equivalent, key selection criteria include dual-rail supply flexibility, suspend-mode high-impedance behavior, IOFF leakage compliance, and maximum data rates up to 420 Mbps (3.3 V → 5.0 V).
Technical Context
This device implements a bidirectional bus transceiver architecture where DIR selects signal flow direction: HIGH enables A→B translation, LOW enables B→A. Both ports are referenced to their respective supplies-A and DIR to VCC(A), B to VCC(B)-enabling true voltage-domain isolation.
It supports full JESD8/36 compliance across 1.2–5.5 V ranges and integrates IOFF circuitry that disables outputs and blocks backflow current when either supply is at GND, ensuring safe operation during power sequencing or suspend mode.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Range (VCC(A)/VCC(B)) | 1.2 V to 5.5 V each - enables translation between any low-voltage nodes (1.2 V, 1.5 V, 1.8 V, 2.5 V, 3.3 V, 5.0 V) |
| Max Data Rate | 420 Mbps (3.3 V → 5.0 V) - supports high-speed interconnects like fast GPIO or debug interfaces |
| IOFF Leakage | ±2 μA max at -40 °C to +125 °C - ensures safe partial power-down without damaging back-current |
| Propagation Delay (A→B) | 0.7 ns min / 23.5 ns max (-40 °C to +125 °C) - guarantees timing predictability in real-time systems |
| Output Drive | ±24 mA at VCC = 3.0 V - drives standard CMOS loads without external buffers |
| Operating Temperature | -40 °C to +125 °C - qualified for automotive under-hood and industrial control environments |
| ESD Protection | HBM >4000 V, CDM >1000 V - robust handling in manufacturing and field deployment |
Pinout & Package
XSON6 package (SOT886): plastic extremely thin small outline, no leads, 6-terminal, 1.0 × 1.45 × 0.5 mm body, bottom thermal pad not electrically connected.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | VCC(A) | Supply for port A and DIR input - defines logic thresholds and drive strength for A-side signals |
| 2 | GND | Common reference ground - required for noise immunity and ESD path integrity |
| 3 | A | Bidirectional data terminal referenced to VCC(A) - connects to 1.2–5.5 V domain logic |
| 4 | B | Bidirectional data terminal referenced to VCC(B) - connects to independent voltage domain |
| 5 | DIR | Direction control input referenced to VCC(A) - HIGH = A→B, LOW = B→A |
| 6 | VCC(B) | Supply for port B - enables independent biasing of B-side I/O |
Key Features
| Feature | Design Value |
|---|---|
| Dual independent supply rails | VCC(A) and VCC(B) independently set from 1.2 V to 5.5 V - eliminates need for external level shifters in heterogeneous voltage systems |
| IOFF partial power-down | Active when either VCC is at GND - prevents back-current and maintains high-Z state on both ports during power sequencing |
| Suspend mode | Both A and B ports enter high-impedance OFF-state if VCC(A) = 0 V or VCC(B) = 0 V - critical for hot-swap and low-power sleep states |
| High noise immunity | Guaranteed VIH/VIL margins per JESD standards - resists coupling noise in dense PCB layouts |
| Low static power | 16 μA max ICC at 1.2–5.5 V - reduces quiescent load in always-on subsystems like sensor hubs |
Applications
| Industrial PLC I/O Expansion | Automotive Body Control Module |
|---|---|
Use Scenario: Interfacing 3.3 V microcontroller GPIO with legacy 5.0 V sensor inputs and 1.8 V digital isolators. IC Role / Device Role: Bidirectional voltage translator bridging three distinct supply domains on a single compact node. Use Value: Eliminates discrete resistor-based translators and reduces board area by 60% versus dual unidirectional solutions. | Use Scenario: Connecting 1.2 V ADAS SoC to 5.0 V LIN transceivers and 3.3 V CAN PHY controllers in gateway ECUs. IC Role / Device Role: Level-shifting transceiver with IOFF support for safe power sequencing during ignition cycles. Use Value: Enables zero-current leakage during key-off mode, meeting ISO 19453-3 standby current requirements. |
| Server Baseboard Management Controller | Medical Wearable Sensor Hub |
Use Scenario: Isolating 1.8 V BMC processor I²C bus from 3.3 V PMBus voltage monitors and 5.0 V fan controllers. IC Role / Device Role: Dual-rail I²C-compatible translator with fast propagation (<8.5 ns) and low capacitance (≤6 pF). Use Value: Maintains I²C timing budgets at 400 kHz while reducing cross-talk-induced clock stretching. | Use Scenario: Routing 1.5 V biosensor ADC outputs and 3.3 V BLE radio control lines through shared flexible PCB traces. IC Role / Device Role: Low-power bidirectional translator supporting intermittent wake-up and sub-μA suspend current. Use Value: Achieves <0.5 μA total system standby current with IOFF active and both supplies sequenced off. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-supply translating transceiver applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SN74LVC1T45DCKR | SC70-6 package (2.0 × 1.25 × 0.9 mm); higher thermal resistance; max 320 Mbps (3.3 V → 5.0 V) | Limited to ≤105 °C ambient; no official -40 °C to +125 °C qualification | Select when footprint compatibility with TI-based designs is required and extended temperature is not needed. |
| TXS0101DCKR | Auto-direction sensing (no DIR pin); lower drive (±2 mA); higher propagation delay (>20 ns typical) | Not suitable for synchronous protocols requiring precise direction control; lacks IOFF | Choose only for simple push-pull GPIO translation where direction changes infrequently and power-down safety is secondary. |
Compared with SN74LVC1T45DCKR and TXS0101DCKR, the 74LVC1T45GM,132 delivers superior thermal performance in XSON6, guaranteed 420 Mbps throughput, full -40 °C to +125 °C qualification, and robust IOFF protection-making it optimal for automotive, industrial, and high-reliability embedded systems.
Availability
74LVC1T45GM,132 is available at Aetrix Electronics and suitable for industrial PLC I/O expansion, automotive body control modules, and server baseboard management controllers requiring stable component supply across extended temperature and mixed-voltage design constraints.
Supply support for 74LVC1T45GM,132 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, analog, and MOSFET solutions, with leadership in automotive-qualified components and energy-efficient packaging.
The 74LVC1T45GM,132 belongs to Nexperia's LVC logic family, engineered specifically for robust bidirectional level translation in space-constrained, thermally demanding applications across automotive, industrial, and computing markets.
FAQ
What is the minimum recommended supply voltage for reliable operation?
The 74LVC1T45GM,132 is fully specified from 1.2 V to 5.5 V on both VCC(A) and VCC(B). At 1.2 V, it delivers guaranteed VOL ≤ 0.07 V and VOH ≥ 1.09 V with ±3 mA load, meeting JEDEC JESD8-7 for 1.2 V logic. Operation below 1.2 V is not characterized and may result in undefined output states or increased propagation delay.
Does this device support automatic direction detection like the TXS series?
No. The 74LVC1T45GM,132 requires explicit DIR pin control to select A→B or B→A data flow. Unlike auto-sensing translators, it provides deterministic, low-latency direction switching with tPHZ/tPLZ as low as 2.7 ns, making it suitable for synchronous protocols such as I²C clock-stretching or SPI with dynamic bus ownership.
Can VCC(A) and VCC(B) be powered from different sources with independent sequencing?
Yes. The device supports independent power sequencing: if VCC(A) is powered while VCC(B) remains at GND, the B port enters high-impedance OFF-state via suspend mode, and IOFF blocks back-current into VCC(B). This behavior is validated per JESD78 Class II latch-up testing and enables safe integration in multi-rail power architectures.
Is bus hold functionality enabled on the 74LVC1T45GM,132?
No. Bus hold is only present on the 74LVCH1T45 variant (marked X5), not on the 74LVC1T45GM,132 (marked V5). The 74LVC1T45GM,132 has no internal bus hold circuitry-external pull-ups/pull-downs must be used to prevent floating inputs in high-impedance states.
74LVC1T45GM,132 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- 74LVC
- Package/Case:
- Packaging:
- Bulk
- Product Status:
- Active
- Translator Type:
- -
- Channel Type:
- -
- Number of Circuits:
- -
- Channels per Circuit:
- -
- Voltage - VCCA:
- -
- Voltage - VCCB:
- -
- Input Signal:
- -
- Output Signal:
- -
- Output Type:
- -
- Data Rate:
- -
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- -
- Features:
- -
- Mounting Type:
- -
- Supplier Device Package:
- -
74LVC1T45GM,132 FAQ
1.How can I place an order for 74LVC1T45GM,132 through Aetrix?
Please submit a Request for Quotation (RFQ) for 74LVC1T45GM,132 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 74LVC1T45GM,132 reliable?
The price and inventory of 74LVC1T45GM,132 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 74LVC1T45GM,132 is usually 5 days.
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Once your 74LVC1T45GM,132 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 74LVC1T45GM,132?
For technical support, including 74LVC1T45GM,132 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 74LVC1T45GM,132 requirements.
6.How does Aetrix verify that 74LVC1T45GM,132 is sourced from the original manufacturer or authorized distributors?
All 74LVC1T45GM,132 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 74LVC1T45GM,132 meets industry standards.
7.What is the process for return or replacement of 74LVC1T45GM,132?
All 74LVC1T45GM,132 units undergo pre-shipment inspection (PSI). If there is an issue with 74LVC1T45GM,132, 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 74LVC1T45GM,132 part is unused and in its original packaging.
Return procedure for 74LVC1T45GM,132:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
74LVC1T45GM,132 Tags
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74LVC1T45GW,125
Nexperia USA Inc.
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74LVCH2T45DC,125
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SN74LVC1T45DBVR
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SN74LVC1T45DRLR
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SN74LVC1T45DPKR
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SN74LVC2T45DCTR
Texas Instruments
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74LVC2T45GT,115
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SN74LVC1T45YZPR
Texas Instruments
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LSF0102DCUR
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SN74LVC1T45DCKR
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TXS0102DCTR
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