Overview
The 74LVC2T45GT/AU115, produced by Nexperia USA Inc., is a dual-bit dual-supply bus transceiver designed for voltage translation and level shifting. This device is part of the LVC (Low-Voltage CMOS) family and is known for its versatility in handling different voltage levels. It is fully configurable, allowing each port to operate over a wide power-supply range from 1.65 V to 5.5 V, making it suitable for various applications requiring voltage translation between different voltage nodes such as 1.8 V, 2.5 V, 3.3 V, and 5 V.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| VCC(A) and VCC(B) | 1.2 - 5.5 | V |
| Logic Switching Levels | CMOS/LVTTL | |
| Output Drive Capability | ±24 | mA |
| Propagation Delay (tpd) | 2.5 | ns |
| Number of Bits | 2 | |
| Operating Temperature Range | -40 to 125 | °C |
| Package Type | XSON8 | |
| Thermal Resistance (Rth(j-a)) | 307 | K/W |
Key Features
- Fully Configurable Dual-Rail Design: Allows each port to operate over the full 1.65-V to 5.5-V power-supply range, enabling translation between different voltage nodes.
- VCC Isolation Feature: If either VCC input is at GND, both ports are in the high-impedance state.
- Low Power Consumption: Maximum ICC of 4 μA, supporting low power applications.
- High-Speed Translation: Supports data rates up to 420 Mbps for 3.3 V to 5 V translation.
- Ioff Supports Partial-Power-Down Mode: Prevents backflow current by disabling I/O output circuits when the device is in partial-power-down mode.
- ESD Protection: Exceeds JESD 22 standards for Human-Body Model, Machine Model, and Charged-Device Model.
- Balanced High-Drive CMOS Push-Pull Outputs: Allows the device to sink and source similar currents.
Applications
- Personal Electronics: Suitable for use in smartphones, tablets, and other portable devices.
- Industrial Automation: Used in control systems, sensors, and other industrial equipment.
- Automotive Systems: Can be used in automotive electronics for voltage translation and level shifting.
- Consumer Electronics: Applicable in various consumer electronic devices requiring voltage translation.
Q & A
- What is the operating voltage range of the 74LVC2T45GT/AU115?
The device operates over a voltage range of 1.2 V to 5.5 V for both VCC(A) and VCC(B).
- What is the maximum propagation delay of the 74LVC2T45GT/AU115?
The maximum propagation delay (tpd) is 2.5 ns.
- What is the output drive capability of the 74LVC2T45GT/AU115?
The output drive capability is ±24 mA.
- Does the 74LVC2T45GT/AU115 support partial-power-down mode?
Yes, it supports partial-power-down mode through the Ioff feature, which prevents backflow current.
- What is the thermal resistance of the XSON8 package?
The thermal resistance (Rth(j-a)) for the XSON8 package is 307 K/W.
- What are the ESD protection levels of the 74LVC2T45GT/AU115?
The device exceeds JESD 22 standards for Human-Body Model (4000 V), Machine Model (200 V), and Charged-Device Model (1000 V).
- What are the typical applications of the 74LVC2T45GT/AU115?
It is used in personal electronics, industrial automation, automotive systems, and consumer electronics.
- What is the package type of the 74LVC2T45GT/AU115?
The package type is XSON8.
- Does the device have VCC isolation feature?
Yes, if either VCC input is at GND, both ports are in the high-impedance state.
- What is the maximum data rate supported by the 74LVC2T45GT/AU115?
The device supports data rates up to 420 Mbps for 3.3 V to 5 V translation.
