Overview
The 74LVC2T45DC-Q100125 is a dual-bit, dual-supply translating transceiver produced by Nexperia (formerly part of NXP USA Inc.). This device is designed to enable bidirectional level translation between different voltage domains, making it highly versatile in various electronic systems. It features 3-state outputs and supports a wide range of supply voltages, from 1.2 V to 5.5 V for both VCC(A) and VCC(B), allowing for translation between different low-voltage nodes such as 1.2 V, 1.5 V, 1.8 V, 2.5 V, 3.3 V, and 5.0 V.
Key Specifications
| Parameter | Value | Description |
|---|---|---|
| VCC(A) and VCC(B) | 1.2 V to 5.5 V | Supply voltage range for both domains |
| Logic Switching Levels | CMOS/LVTTL | Type of logic switching levels supported |
| Output Drive Capability | ±24 mA (VCC = 3.0 V) | Maximum output drive current |
| Data Rate | Up to 420 Mbps (3.3 V to 5.0 V translation) | Maximum data rate for different voltage translations |
| Package Type | 8-VSSOP (SOT765-1) | Package type and dimensions |
| Operating Temperature | -40°C to +125°C | Temperature range for operation |
| ESD Protection | HBM: ANSI/ESDA/JEDEC JS-001 class 3A exceeds 4000 V, CDM: ANSI/ESDA/JEDEC JS-002 class C3 exceeds 1000 V | Electrostatic discharge protection levels |
Key Features
- Bidirectional Level Translation: Enables translation between different voltage domains (1.2 V to 5.5 V) in both directions.
- 3-State Outputs: Outputs can be set to high-impedance state to prevent backflow current during power-down.
- High Noise Immunity: Complies with JEDEC standards for noise immunity.
- Low Power Consumption: Maximum ICC of 16 μA.
- IOFF Circuitry: Provides partial power-down mode operation to prevent damaging backflow current.
- Active Bus Hold Circuitry: Available in the 74LVCH2T45 version, holds unused or floating data inputs at a valid logic level.
- Multiple Package Options: Available in various package types, including 8-VSSOP.
Applications
- Mixed Voltage Systems: Ideal for systems that require communication between different voltage domains.
- Automotive Systems: AEC-Q100 qualified, making it suitable for automotive applications.
- Consumer Electronics: Used in various consumer electronic devices that require level translation.
- Industrial Control Systems: Suitable for industrial control systems that operate at different voltage levels.
Q & A
- What is the primary function of the 74LVC2T45DC-Q100125?
The primary function is to enable bidirectional level translation between different voltage domains.
- What is the range of supply voltages supported by this device?
The device supports supply voltages from 1.2 V to 5.5 V for both VCC(A) and VCC(B).
- What are the maximum data rates supported by this device?
The maximum data rates vary by voltage translation, up to 420 Mbps for 3.3 V to 5.0 V translation.
- What type of package is the 74LVC2T45DC-Q100125 available in?
It is available in an 8-VSSOP (SOT765-1) package.
- What is the operating temperature range for this device?
The operating temperature range is -40°C to +125°C.
- Does the device have ESD protection?
Yes, it has ESD protection exceeding 4000 V for HBM and 1000 V for CDM.
- What is the purpose of the IOFF circuitry?
The IOFF circuitry provides partial power-down mode operation to prevent damaging backflow current.
- Is the device AEC-Q100 qualified?
Yes, the device is AEC-Q100 qualified, making it suitable for automotive applications.
- What is the maximum output drive current?
The maximum output drive current is ±24 mA at VCC = 3.0 V.
- Does the device have active bus hold circuitry?
Yes, the 74LVCH2T45 version has active bus hold circuitry to hold unused or floating data inputs at a valid logic level.
