Overview
The 74LVC1T45GW,125 is a single-bit, dual-supply transceiver with 3-state outputs, designed by Nexperia USA Inc. This component enables bidirectional level translation between different voltage levels, making it versatile for various electronic designs. It supports a wide range of supply voltages from 1.2 V to 5.5 V, allowing it to translate 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. The device is fully specified for partial power-down applications and features active bus hold circuitry to maintain valid logic levels on unused or floating data inputs.
Key Specifications
| Parameter | Value |
|---|---|
| Type Number | 74LVC1T45GW |
| Package | TSSOP6 (SOT363-2) |
| VCC(A) (V) | 1.2 - 5.5 |
| VCC(B) (V) | 1.2 - 5.5 |
| Logic Switching Levels | CMOS/LVTTL |
| Output Drive Capability (mA) | ± 24 |
| Propagation Delay (tpd) (ns) | 2.5 |
| Number of Bits | 1 |
| Power Dissipation Considerations | Low |
| Operating Temperature Range (°C) | -40 to +125 |
Key Features
- Dual Supply Voltage Range: Supports supply voltages from 1.2 V to 5.5 V for both VCC(A) and VCC(B), enabling translation between various low-voltage nodes.
- 3-State Outputs: Allows for high-impedance state, which is useful in bus-oriented systems.
- Direction Control: The direction of data transmission can be controlled by the DIR pin, allowing transmission from A to B or B to A.
- Partial Power-Down Capability: The device is fully specified for partial power-down applications using IOFF circuitry, preventing backflow current when powered down.
- Active Bus Hold Circuitry: Maintains valid logic levels on unused or floating data inputs in the 74LVCH1T45 variant.
Applications
The 74LVC1T45GW,125 is suitable for a wide range of applications across various industries, including:
- Automotive: For level translation in automotive systems where different voltage levels are used.
- Industrial: In industrial control systems and automation where voltage translation is necessary.
- Consumer Electronics: For mobile, computing, and consumer devices that require level translation between different voltage domains.
- Wearables and IoT Devices: Where low power consumption and flexible voltage translation are crucial.
Q & A
- What is the primary function of the 74LVC1T45GW,125?
The primary function is to act as a single-bit, dual-supply transceiver with 3-state outputs, enabling bidirectional level translation between different voltage levels. - What is the range of supply voltages supported by this component?
The component supports supply voltages from 1.2 V to 5.5 V for both VCC(A) and VCC(B). - How is the direction of data transmission controlled in this device?
The direction of data transmission is controlled by the DIR pin, allowing transmission from A to B or B to A. - What is the purpose of the IOFF circuitry in this device?
The IOFF circuitry disables the output, preventing any damaging backflow current through the device when it is powered down. - What is the operating temperature range of the 74LVC1T45GW,125?
The operating temperature range is from -40°C to +125°C. - What type of package does the 74LVC1T45GW,125 come in?
The component comes in a TSSOP6 (SOT363-2) package. - What is the propagation delay of the 74LVC1T45GW,125?
The propagation delay (tpd) is 2.5 ns. - Does the 74LVC1T45GW,125 support partial power-down applications?
Yes, the device is fully specified for partial power-down applications. - What is the output drive capability of the 74LVC1T45GW,125?
The output drive capability is ± 24 mA. - What is the logic switching level of the 74LVC1T45GW,125?
The logic switching levels are CMOS/LVTTL.
