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Diodes Incorporated LXS0104ZMAEX
- Part No.:
- LXS0104ZMAEX
- Manufacturer:
- Diodes Incorporated
- Category:
- Translators, Level Shifters
- Package:
- Datasheet:
-
LXS0104ZMAEX.pdf
- Description:
- LOGIC ULS U-QFN1720-12 T&R 3K
- Quantity:
- Payment:
- Shipping:
Inventory:1,485
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Product details
Overview
LXS0104ZMAEX from Diodes Incorporated is a 4-bit bidirectional auto-sensing level shifter in a 12-pin XQFN (1.7 mm × 2.0 mm) package, supporting 1.65–3.6 V on A-port and 2.3–5.5 V on B-port, with 24 Mbps push-pull data rate and integrated 10 kΩ pull-up resistors - deployed in I²C/SMBus signal translation between low-voltage ASICs and higher-voltage peripherals in mobile phones and camera modules.
For engineers reviewing the LXS0104ZMAEX datasheet, LXS0104ZMAEX pinout, LXS0104ZMAEX application, or LXS0104ZMAEX equivalent, this page delivers verified electrical specs, real-world timing behavior under push-pull/open-drain conditions, ultra-compact XQFN-12 footprint details, and validated alternatives for voltage-level bridging in space-constrained portable electronics.
Technical Context
The LXS0104ZMAEX implements an NMOS-based bidirectional translation architecture with per-channel one-shot rising-edge detectors to accelerate low-to-high transitions, eliminating external direction control. Its dual-supply design enforces VCCA ≤ VCCB and supports non-preferential power-up sequencing.
Each I/O channel integrates a 10 kΩ pull-up resistor referenced to its local supply rail (VCCA or VCCB), disabled when OE is low. The device provides 2500 V HBM ESD protection on both ports and guarantees ≤0.7 ns channel-to-channel skew across all four channels at 3.3 V/5.0 V operation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| A-port voltage range | 1.65 V to 3.6 V - enables direct interface with 1.8 V/2.5 V/3.3 V logic domains |
| B-port voltage range | 2.3 V to 5.5 V - supports legacy 3.3 V/5.0 V peripherals and microcontrollers |
| Max data rate (push-pull) | 24 Mbps - sufficient for high-speed I²C Fast-mode Plus (1 Mbps) and SMBus with margin |
| Propagation delay (A→B) | 2.4 ns (min) at 3.3 V/3.3 V - ensures sub-5 ns timing closure in tight PCB layouts |
| Channel skew | ≤0.7 ns - preserves signal integrity across multi-line buses like MDIO or parallel sensor interfaces |
| ESD rating (HBM) | 2500 V on both A and B ports - meets industrial handling requirements without external protection |
| Supply current (total) | 14.4 µA max - enables always-on level shifting in battery-powered devices |
Pinout & Package
Package: 12-pin XQFN (1.7 mm × 2.0 mm), 0.4 mm pitch, exposed thermal pad, RoHS-compliant and halogen-free.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCCA | Power supply input | A-port reference rail (1.65–3.6 V); must be ≤ VCCB |
| VCCB | Power supply input | B-port reference rail (2.3–5.5 V); powers internal translators and pull-ups |
| A1–A4 | Bidirectional I/O | Logic signals referenced to VCCA; auto-sense direction during data flow |
| B1–B4 | Bidirectional I/O | Logic signals referenced to VCCB; electrically isolated from A-side by NMOS pass gates |
| OE | Digital control input | Active-high enable referenced to VCCA; pulls all I/Os to high-Z when low |
| GND | Ground reference | Common return path for both supplies; connects to PCB thermal pad |
| NC | No connection | Unbonded pad; must remain floating or grounded per layout guidelines |
Key Features
| Feature | Design Value |
|---|---|
| No direction-control pin required | Auto-sensing architecture eliminates GPIO overhead and routing complexity in MCU-constrained designs |
| Integrated 10 kΩ pull-up resistors | Removes four external resistors per channel, reducing BOM count and PCB area in I²C bus implementations |
| Non-preferential power-up sequencing | Allows independent ramp-up of VCCA and VCCB without latch-up risk - critical for mixed-rail SoC power domains |
| Ultra-small XQFN-12 footprint | 1.7 mm × 2.0 mm body size enables placement in <3 mm² board area - ideal for camera modules and wearable sensors |
| Low bit-to-bit skew (≤0.7 ns) | Maintains timing alignment across all four translated lines, preventing setup/hold violations in parallel interfaces |
Applications
| I²C Bus Translation | SMBus Host Interface |
|---|---|
Use Scenario: Bridging 1.8 V sensor hub I²C bus to 3.3 V system controller in smartphone mainboard. IC Role / Device Role / Timing Role: Bidirectional voltage translator enabling clock/data signal level matching without direction control or external biasing. Use Value: Eliminates need for discrete MOSFET-based translators and reduces interconnect capacitance by 30% versus TSSOP-14 variant. | Use Scenario: Connecting 2.5 V baseband processor SMBus to 5.0 V power management IC in LTE modem module. IC Role / Device Role / Timing Role: Auto-sensing level shifter maintaining SMBus timing compliance (tBUF, tHD:STA) across voltage domains. Use Value: Supports 100 kHz SMBus operation with <5 ns added propagation delay, preserving bus arbitration integrity. |
| MDIO Interface Extension | Low-Voltage ASIC Interfacing |
Use Scenario: Translating MDIO management signals between 1.2 V Ethernet PHY and 3.3 V MAC controller in compact network switch. IC Role / Device Role / Timing Role: Dual-supply translator ensuring MDC/MDIO signal integrity while meeting IEEE 802.3 clause 22 timing budgets. Use Value: Enables direct connection without level-shifting delays exceeding 10% of MDIO clock period at 2.5 MHz. | Use Scenario: Interfacing 1.65 V FPGA I/O bank to 5.0 V industrial IO expander in programmable logic controller. IC Role / Device Role / Timing Role: Robust bidirectional translator with 2500 V HBM protection on both sides, surviving field ESD events. Use Value: Replaces discrete diode-resistor networks, improving noise immunity and reducing failure rate in harsh environments. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar bidirectional level translation applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TXS0104RUTR | 4-channel, 1.65–3.6 V A-port, 2.3–5.5 V B-port; no integrated pull-ups; requires external 10 kΩ resistors | Higher board area usage due to external components; better for designs requiring configurable pull-up values | Select when precise pull-up tuning or lower quiescent current (<1 µA) is prioritized over component count reduction |
| PCA9306DCUR | 2-channel, 1.2–3.6 V A-port, 1.8–5.5 V B-port; 60 Mbps max rate; no OE pin; fixed 5 kΩ internal pull-ups | Limited to two channels; lacks output enable for power-gated operation; unsuitable for 4-wire I²C with clock stretching | Choose only for dual-line, high-speed applications where OE functionality and 4-channel density are not required |
Compared with TXS0104RUTR and PCA9306DCUR, the LXS0104ZMAEX uniquely combines 4-channel density, integrated 10 kΩ pull-ups, active OE control, and ultra-compact XQFN-12 packaging - making it optimal for space-constrained, low-power, multi-peripheral I²C systems requiring zero-GPIO direction management.
Availability
LXS0104ZMAEX is available at Aetrix Electronics and suitable for mobile phone camera modules, IoT sensor hubs, and industrial PLC I/O expansion requiring stable component supply, long-term lifecycle assurance, and consistent ultra-miniature packaging.
Supply support for LXS0104ZMAEX 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
Diodes Incorporated is a global manufacturer of discrete semiconductors and analog ICs, specializing in high-reliability, energy-efficient solutions for consumer, industrial, and automotive markets.
The LXS0104 belongs to Diodes' high-speed level translation product line, engineered specifically for minimizing board space and GPIO overhead in portable electronics with mixed-voltage interfaces.
FAQ
What is the minimum VCCA voltage supported by LXS0104ZMAEX?
The LXS0104ZMAEX supports a minimum VCCA of 1.65 V, verified across all operating temperatures (−40 °C to +85 °C) and compatible with 1.8 V logic families. Below this threshold, input thresholds (VIHA/VILA) and output drive strength degrade beyond specification limits, risking communication errors in I²C or SMBus links.
Can VCCA exceed VCCB in normal operation?
No - the datasheet explicitly requires VCCA ≤ VCCB under all operating conditions. Exceeding this violates internal NMOS gate biasing constraints and may cause latch-up or irreversible damage. This constraint is enforced by the device's architecture and is not relaxed during power-up or transient states.
Does the LXS0104ZMAEX support open-drain I²C configurations?
Yes - it supports open-drain operation at 2 Mbps maximum data rate, with guaranteed timing parameters including tPLH/tPHL up to 260 ns (A→B) and 175 ns (B→A) at 1.8 V/5.0 V. Internal pull-ups are automatically disabled when OE is low, allowing full bus control by external master pull-ups.
Is the XQFN-12 package thermally enhanced?
Yes - the XQFN-12 package features an exposed thermal pad that must be soldered to a PCB copper pour for effective heat dissipation. Thermal resistance (θJA) is 125 °C/W when mounted on a 1-in² 2-oz copper pad, enabling continuous operation at full rated current (45 mA per I/O) without derating in ambient temperatures up to +85 °C.
LXS0104ZMAEX Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Translator Type:
- Voltage Level
- Channel Type:
- Bidirectional
- Number of Circuits:
- 1
- Channels per Circuit:
- -
- Voltage - VCCA:
- 1.65 V ~ 3.6 V
- Voltage - VCCB:
- 2.3 V ~ 5.5 V
- Input Signal:
- -
- Output Signal:
- -
- Output Type:
- Open Drain, Push-Pull
- Data Rate:
- 24Mbps
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Features:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 12-UFQFN
LXS0104ZMAEX FAQ
1.How can I place an order for LXS0104ZMAEX through Aetrix?
Please submit a Request for Quotation (RFQ) for LXS0104ZMAEX 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 LXS0104ZMAEX reliable?
The price and inventory of LXS0104ZMAEX are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LXS0104ZMAEX is usually 5 days.
3.What payment methods are accepted for LXS0104ZMAEX?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LXS0104ZMAEX transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LXS0104ZMAEX?
LXS0104ZMAEX orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LXS0104ZMAEX 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 LXS0104ZMAEX?
For technical support, including LXS0104ZMAEX datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LXS0104ZMAEX requirements.
6.How does Aetrix verify that LXS0104ZMAEX is sourced from the original manufacturer or authorized distributors?
All LXS0104ZMAEX 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 LXS0104ZMAEX meets industry standards.
7.What is the process for return or replacement of LXS0104ZMAEX?
All LXS0104ZMAEX units undergo pre-shipment inspection (PSI). If there is an issue with LXS0104ZMAEX, 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 LXS0104ZMAEX part is unused and in its original packaging.
Return procedure for LXS0104ZMAEX:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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