Overview
The NLSX4014DTR2G, produced by onsemi, is a 4-bit configurable dual-supply bidirectional level translator. This device is designed to translate logic signals between two different power supply rails, VCC and VL, without the need for a direction control pin. It supports a wide range of operating voltages, making it versatile for various applications. The NLSX4014 is particularly useful in systems where data needs to be transferred between different voltage domains, such as in mobile phones, PDAs, and other portable devices.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Condition |
|---|---|---|---|---|---|
| VCC Supply Voltage | 1.3 | - | 4.5 | V | - |
| VL Supply Voltage | 0.9 | - | VCC - 0.4 | V | - |
| Operating Temperature Range | -40 | - | 85 | °C | - |
| Data Rate | - | - | 100 | Mb/s | VL > 1.6 V |
| I/O VCC Input HIGH Voltage | 0.8 * VCC | - | - | V | - |
| I/O VCC Input LOW Voltage | - | - | 0.2 * VCC | V | - |
| Supply Current from VCC (IQ-VCC) | - | - | 2.0 | mA | EN = VL, I/O VCCn = 0 V, I/O VLn = 0 V |
| Supply Current from VL (IQ-VL) | - | - | 2.0 | mA | EN = VL, I/O VCCn = 0 V, I/O VLn = 0 V |
Key Features
- Wide Operating Voltage Range: VCC from 1.3 V to 4.5 V and VL from 0.9 V to (VCC - 0.4) V.
- Auto-Sensing I/O Ports: No direction control pin required.
- High-Speed Operation: Guaranteed data rate of 100 Mb/s for VL > 1.6 V.
- Low Bit-to-Bit Skew: Ensures synchronized data transmission.
- Overvoltage Tolerant Enable and I/O Pins: Protects against voltage spikes.
- Non-Preferential Powerup Sequencing: No specific power-up sequence required.
- Small Packaging: Available in UQFN12 (1.7 mm x 2.0 mm) and TSSOP14 packages.
- AEC-Q100 Qualified and PPAP Capable: Suitable for automotive and other critical applications.
- Tri-State Operation: Enable pin (EN) allows for high impedance state to minimize power consumption.
Applications
- Mobile Phones and PDAs: Ideal for translating logic signals between different voltage domains in portable devices.
- Other Portable Devices: Suitable for any application requiring voltage level translation between different supply rails.
- Automotive Systems: AEC-Q100 qualified, making it suitable for automotive applications.
- Multiple Supply Voltage Systems: Useful in systems where data needs to be transferred between different voltage domains.
Q & A
- What is the primary function of the NLSX4014?
The NLSX4014 is a 4-bit configurable dual-supply bidirectional level translator, designed to translate logic signals between two different power supply rails, VCC and VL.
- What is the operating voltage range for VCC and VL?
VCC operates from 1.3 V to 4.5 V, and VL operates from 0.9 V to (VCC - 0.4) V.
- Does the NLSX4014 require a direction control pin?
No, the NLSX4014 has auto-sensing I/O ports and does not require a direction control pin.
- What is the maximum guaranteed data rate for the NLSX4014?
The NLSX4014 guarantees a data rate of 100 Mb/s for VL > 1.6 V.
- What is the purpose of the Enable (EN) pin?
The Enable (EN) pin allows for tri-state operation, putting the I/O ports in a high impedance state when driven low, which minimizes power consumption.
- Is the NLSX4014 suitable for automotive applications?
- What are the recommended power supply guidelines for the NLSX4014?
- How does the NLSX4014 handle power supply isolation?
The NLSX4014 provides power supply isolation if either supply voltage VL or VCC is equal to 0 V, putting the I/O pins in a high impedance state.
- What are the packaging options for the NLSX4014?
The NLSX4014 is available in UQFN12 (1.7 mm x 2.0 mm) and TSSOP14 packages.
- What is the significance of the one-shot circuits in the NLSX4014?
The one-shot circuits detect rising or falling input signals and reduce the rise and fall time of the output signal for high-to-low and low-to-high transitions.
