Overview
The SN74AVC2T45DCURG4, produced by Texas Instruments, is a dual-bit dual-supply bus transceiver designed for bidirectional voltage-level translation. This device is part of the 74AVC series and is optimized for universal low-voltage translation between various voltage nodes such as 1.8V, 2.5V, 3.3V, and 5V. It features a fully configurable dual-rail design, allowing each port to operate over a wide power-supply range from 1.2V to 3.6V.
The SN74AVC2T45DCURG4 is particularly useful in asynchronous communication between two data buses, with the direction-control (DIR) input determining the direction of data transmission. The device ensures low power consumption and supports partial-power-down mode operation, making it suitable for a variety of applications requiring efficient and reliable data translation.
Key Specifications
| Parameter | Value |
|---|---|
| Package | 8-VFSOP (0.091", 2.30mm Width) |
| Supply Voltage - VCCA | 1.2V to 3.6V |
| Supply Voltage - VCCB | 1.2V to 3.6V |
| Output Type | Tri-State, Non-Inverted |
| Data Rate | Up to 500 Mbps |
| Operating Temperature | -40°C to 85°C (TA) |
| ESD Protection | Exceeds JESD 22 standards |
| Latch-Up Performance | Exceeds 100 mA per JESD 78, Class II |
Key Features
- Fully configurable dual-rail design allowing each port to operate over the full 1.2V to 3.6V power-supply range.
- VCC isolation feature – if either VCC input is at GND, both ports are in the high-impedance state.
- DIR input circuit referenced to VCCA.
- Low power consumption with a maximum ICC of 4 µA.
- Available in the Texas Instruments NanoFree™ package.
- ±24-mA output drive at 3.3 V.
- Ioff supports Partial-Power-Down mode operation.
- High data rates: up to 500 Mbps.
- ESD protection exceeds JESD 22 standards.
- Latch-up performance exceeds 100 mA per JESD 78, Class II.
Applications
The SN74AVC2T45DCURG4 is suitable for a wide range of applications requiring bidirectional voltage-level translation, including:
- Asynchronous communication between two data buses.
- Universal low-voltage translation between different voltage nodes (1.8V, 2.5V, 3.3V, and 5V).
- Partial-power-down mode applications where power efficiency is crucial.
- Systems requiring high data rates and low power consumption.
- Embedded systems, IoT devices, and other electronic circuits needing reliable and efficient data translation.
Q & A
- What is the primary function of the SN74AVC2T45DCURG4?
The primary function is to provide bidirectional voltage-level translation between two data buses operating at different voltage levels.
- What is the operating voltage range for the SN74AVC2T45DCURG4?
The device operates over a voltage range of 1.2V to 3.6V for both VCCA and VCCB.
- What is the maximum data rate supported by the SN74AVC2T45DCURG4?
The device supports data rates up to 500 Mbps.
- Does the SN74AVC2T45DCURG4 support partial-power-down mode operation?
Yes, it supports partial-power-down mode operation through the Ioff circuitry.
- What type of output does the SN74AVC2T45DCURG4 have?
The output type is tri-state, non-inverted.
- What is the operating temperature range for the SN74AVC2T45DCURG4?
The operating temperature range is -40°C to 85°C (TA).
- What kind of ESD protection does the SN74AVC2T45DCURG4 offer?
The device exceeds JESD 22 standards for ESD protection.
- What is the latch-up performance of the SN74AVC2T45DCURG4?
The latch-up performance exceeds 100 mA per JESD 78, Class II.
- What package type is the SN74AVC2T45DCURG4 available in?
The device is available in an 8-VFSOP (0.091", 2.30mm Width) package.
- Is the SN74AVC2T45DCURG4 RoHS compliant?
Yes, the device is RoHS compliant.
