Overview
The 74LVCH1T45GW,125 is a dual supply translating transceiver produced by Nexperia. This component is designed as a single-bit, dual-supply transceiver with 3-state outputs, enabling bidirectional level translation between different voltage levels. It is particularly useful in applications where voltage level shifting is necessary, such as in mixed-voltage systems.
The device supports a wide supply voltage range, from 1.2 V to 5.5 V for both VCC(A) and VCC(B), making it versatile for various low-voltage nodes (1.2 V, 1.5 V, 1.8 V, 2.5 V, 3.3 V, and 5.0 V). The direction of data transmission is controlled by the DIR pin, allowing for transmission from A to B or from B to A.
Key Specifications
| Type Number | VCC(A) (V) | VCC(B) (V) | Logic Switching Levels | Output Drive Capability (mA) | tpd (ns) | Number of Bits | Power Dissipation Considerations | Tamb (°C) | Rth(j-a) (K/W) | Ψth(j-top) (K/W) | Rth(j-c) (K/W) | Package Name | Category |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 74LVCH1T45GW | 1.2 - 5.5 | 1.2 - 5.5 | CMOS/LVTTL | ± 24 | 2.5 | 1 | Low | -40 to 125 | 268 | 41.4 | 156 | TSSOP6 (SOT363-2) | Bi-directional | Direction controlled |
Key Features
- Bidirectional Level Translation: Enables data transmission between two different voltage domains.
- Wide Supply Voltage Range: Supports VCC(A) and VCC(B) from 1.2 V to 5.5 V.
- 3-State Outputs: Outputs can be set to high, low, or high-impedance state.
- Direction Control: Data transmission direction is controlled by the DIR pin.
- Active Bus Hold Circuitry: Holds unused or floating data inputs at a valid logic level.
- IOFF Circuitry: Disables the output to prevent backflow current during power-down.
- Low Power Dissipation: Designed for low power consumption.
Applications
- Mixed-Voltage Systems: Ideal for systems where different voltage levels are used.
- Automotive Electronics: Suitable for automotive applications due to its robust and reliable performance.
- Industrial and Power Applications: Used in industrial equipment, motor drives, and other power-related applications.
- Consumer and Mobile Devices: Applicable in various consumer and mobile devices requiring voltage level translation.
- Computing and Networking: Useful in computing and networking systems that require bidirectional level translation.
Q & A
- What is the primary function of the 74LVCH1T45GW,125?
The primary function is to enable bidirectional level translation between two different voltage domains.
- What is the voltage range supported by this component?
The component supports a voltage range from 1.2 V to 5.5 V for both VCC(A) and VCC(B).
- How is the direction of data transmission controlled?
The direction of data transmission is controlled by the DIR pin.
- What is the purpose of the IOFF circuitry?
The IOFF circuitry disables the output to prevent backflow current during power-down.
- What type of package does the 74LVCH1T45GW,125 come in?
The component comes in a TSSOP6 (SOT363-2) package.
- What are the operating temperature ranges for this component?
The operating temperature range is from -40°C to 125°C.
- Does the component have active bus hold circuitry?
- What are some common applications for the 74LVCH1T45GW,125?
- Is the component suitable for partial power-down applications?
- Where can I find more detailed specifications and datasheets for the 74LVCH1T45GW,125?
