Overview
The 74AVCH1T45GW,125 is a dual-supply voltage level translator/transceiver produced by Nexperia USA Inc. This component is designed to enable bidirectional level translation, making it suitable for a wide range of applications where different voltage levels need to be interfaced. The device features a single bit, dual supply configuration, allowing it to operate with supply voltages ranging from 0.8 V to 3.6 V on both sides.
It is part of the 74AVCH series, known for its high noise immunity, low power dissipation, and overvoltage tolerant inputs. The 74AVCH1T45GW,125 is packaged in a TSSOP6 (SOT363-2) package, which is compact and suitable for surface mount applications.
Key Specifications
| Type number | VCC(A) (V) | VCC(B) (V) | Logic switching levels | Output drive capability (mA) | tpd (ns) | Nr 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 74AVCH1T45GW | 0.8 - 3.6 | 0.8 - 3.6 | CMOS/LVTTL | ± 12 | 2.1 | 1 | very low | -40 ~ 125 | 262 | 36.1 | 150 | TSSOP6 (SOT363-2) | Bi-directional | Direction controlled |
Key Features
- Wide supply voltage range: Operates from 0.8 V to 3.6 V on both sides, making it versatile for various voltage level translations.
- High noise immunity: Ensures reliable operation in noisy environments.
- CMOS low power dissipation: Minimizes power consumption, suitable for low-power applications.
- Overvoltage tolerant inputs: Inputs are tolerant up to 3.6 V, enhancing the device's robustness.
- 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.
- IOFF circuitry: Disables the output when the device is powered down, preventing backflow current.
- Auto-direction sensing: Automatically senses the direction of data transmission without additional direction pins.
Applications
- Interface between different voltage domains: Ideal for translating signals between different voltage levels in mixed-voltage systems.
- Mobile and consumer electronics: Suitable for use in smartphones, tablets, and other portable devices where voltage level translation is necessary.
- Industrial and automotive systems: Can be used in various industrial and automotive applications where robust and reliable voltage translation is required.
- SIM card interfaces: Designed to interface a SIM card with a single low-voltage host-side interface.
Q & A
- What is the voltage range of the 74AVCH1T45GW?
The 74AVCH1T45GW operates with supply voltages ranging from 0.8 V to 3.6 V on both sides.
- What package type is the 74AVCH1T45GW available in?
The 74AVCH1T45GW is packaged in a TSSOP6 (SOT363-2) package.
- Does the 74AVCH1T45GW have overvoltage tolerant inputs?
Yes, the inputs are tolerant up to 3.6 V.
- What is the propagation delay of the 74AVCH1T45GW?
The propagation delay (tpd) is approximately 2.1 ns.
- Does the 74AVCH1T45GW have active bus hold circuitry?
Yes, it features active bus hold circuitry to hold unused or floating data inputs at a valid logic level.
- What is the purpose of the IOFF circuitry in the 74AVCH1T45GW?
The IOFF circuitry disables the output when the device is powered down, preventing backflow current.
- Is the 74AVCH1T45GW suitable for low-power applications?
Yes, it has CMOS low power dissipation, making it suitable for low-power applications.
- Can the 74AVCH1T45GW be used in mixed-voltage systems?
Yes, it is ideal for translating signals between different voltage levels in mixed-voltage systems.
- What is the operating temperature range of the 74AVCH1T45GW?
The operating temperature range is from -40°C to 125°C.
- Does the 74AVCH1T45GW comply with JEDEC standards?
Yes, it complies with various JEDEC standards such as JESD8-12, JESD8-11, JESD8-7, JESD8-5, and JESD8C.
