Overview
The 74AVCH1T45GM,132 is a single-bit, dual-supply transceiver produced by Nexperia USA Inc. This component is designed to enable bidirectional level translation between two different voltage domains, making it highly versatile in various electronic systems. It features active bus hold circuitry, which eliminates the need for external pull-up or pull-down resistors by holding unused or floating data inputs at a valid logic level. The device is fully specified for partial power-down applications, incorporating IOFF circuitry to prevent backflow current when powered down.
Key Specifications
| Parameter | Conditions | Min | Max | Unit |
|---|---|---|---|---|
| Supply Voltage Range | VCC(A) and VCC(B) | 0.8 V | 3.6 V | V |
| High-level Output Voltage (VOH) | IO = -12 mA; VCC(A) = VCC(B) = 3.0 V | 2.3 V | 2.3 V | V |
| Low-level Output Voltage (VOL) | IO = 12 mA; VCC(A) = VCC(B) = 3.0 V | 0.7 V | 0.7 V | V |
| Input Leakage Current (II) | DIR input; VI = 0 V or 3.6 V; VCC(A) = VCC(B) = 0.8 V to 3.6 V | ±1 μA | ±1.5 μA | μA |
| Propagation Delay (tpd) | VCC(A) = 0.8 V to 3.6 V; VCC(B) = 0.8 V to 3.6 V | 8.0 ns | 15.8 ns | ns |
| Operating Temperature Range | -40 °C | +85 °C | °C |
Key Features
- Wide supply voltage range from 0.8 V to 3.6 V, allowing for flexibility in different voltage domains.
- Active bus hold circuitry to hold unused or floating data inputs at a valid logic level.
- High noise immunity and CMOS low power dissipation.
- Overvoltage tolerant inputs up to 3.6 V.
- Dynamically controlled outputs.
- Compliance with JEDEC standards (JESD8-12, JESD8-11, JESD8-7).
- IOFF circuitry for partial power-down applications to prevent backflow current.
Applications
The 74AVCH1T45GM,132 is suitable for a variety of applications across different industries, including:
- Automotive electronics: For level translation between different voltage domains in automotive systems.
- Industrial electronics: In applications requiring reliable and efficient level translation, such as in motor drives and industrial control systems.
- Consumer electronics: For use in mobile devices, wearables, and other consumer electronics where voltage level translation is necessary.
- Computing and power systems: In power supply units, computing systems, and other applications where bidirectional level translation is required.
Q & A
- What is the primary function of the 74AVCH1T45GM,132?
The primary function is to enable bidirectional level translation between two different voltage domains.
- What is the supply voltage range for this component?
The supply voltage range is from 0.8 V to 3.6 V for both VCC(A) and VCC(B).
- What is the purpose of the active bus hold circuitry?
The active bus hold circuitry holds unused or floating data inputs at a valid logic level, eliminating the need for external pull-up or pull-down resistors.
- Is the 74AVCH1T45GM,132 suitable for partial power-down applications?
- What are the operating temperature ranges for this component?
The operating temperature range is from -40 °C to +85 °C, and up to +125 °C for certain conditions.
- Does the 74AVCH1T45GM,132 comply with any industry standards?
- What are some typical applications for this component?
- What is the propagation delay of the 74AVCH1T45GM,132?
- Is the 74AVCH1T45GM,132 overvoltage tolerant?
- What is the input leakage current of the 74AVCH1T45GM,132?
