Overview
The 74AVCH4T245PW,118 is a 4-bit, dual supply transceiver produced by Nexperia USA Inc. This device is designed to enable bidirectional level translation between two different voltage domains. It can be used either as two 2-bit transceivers or as a single 4-bit transceiver. The device features two 2-bit input-output ports (nAn and nBn), a direction control input (nDIR), an output enable input (nOE), and dual supply pins (VCC(A) and VCC(B)).
This transceiver supports a wide supply voltage range from 0.8 V to 3.6 V for both VCC(A) and VCC(B), making it versatile for various low-voltage applications. It complies with multiple JEDEC standards, ensuring compatibility with different voltage levels.
Key Specifications
| Parameter | Value |
|---|---|
| Type Number | 74AVCH4T245PW |
| Package | 16-TSSOP (SOT403-1) |
| VCC(A) (V) | 0.8 - 3.6 |
| VCC(B) (V) | 0.8 - 3.6 |
| Logic Switching Levels | CMOS/LVTTL |
| Output Drive Capability (mA) | ±12 |
| Propagation Delay (ns) | 2.1 |
| Number of Bits | 4 |
| Operating Temperature (°C) | -40 to 125 |
| Thermal Resistance (K/W) | Rth(j-a): 124, Ψth(j-top): 4.4, Rth(j-c): 53.6 |
Key Features
- Bidirectional Level Translation: Enables translation between any two voltage levels from 0.8 V to 3.6 V.
- Configurable Voltage Translation: Supports various low-voltage nodes such as 0.8 V, 1.2 V, 1.5 V, 1.8 V, 2.5 V, and 3.3 V.
- Direction Control and Output Enable: Features a direction control input (nDIR) and an output enable input (nOE) for flexible data transmission and bus isolation.
- 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.
- Low Power Dissipation: Very low power dissipation considerations.
- High Impedance Off-State: Outputs are in the high-impedance OFF-state when the device is powered down or in suspend mode.
Applications
The 74AVCH4T245PW,118 is suitable for a wide range of applications across various industries, including:
- Automotive: For voltage translation in automotive systems.
- Industrial: In industrial control systems and automation.
- Consumer Electronics: For mobile, computing, and consumer devices requiring level translation.
- Wearables and IoT Devices: Where low power and compact design are crucial.
Q & A
- What is the primary function of the 74AVCH4T245PW,118?
The primary function is to enable bidirectional level translation between two different voltage domains.
- What is the voltage range supported by this transceiver?
The device supports a voltage range from 0.8 V to 3.6 V for both VCC(A) and VCC(B).
- How many bits does this transceiver handle?
The device handles 4 bits and can be used as two 2-bit transceivers or as a single 4-bit transceiver.
- What is the propagation delay of the 74AVCH4T245PW,118?
The propagation delay is 2.1 ns.
- What is the output drive capability of this transceiver?
The output drive capability is ±12 mA.
- Does the device 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 operating temperature range of the 74AVCH4T245PW,118?
The operating temperature range is -40°C to 125°C.
- What package type is the 74AVCH4T245PW,118 available in?
The device is available in a 16-TSSOP (SOT403-1) package.
- Is the 74AVCH4T245PW,118 compliant with JEDEC standards?
Yes, it complies with multiple JEDEC standards such as JESD8-12, JESD8-11, JESD8-7, JESD8-5, and JESD8-B.
- What are some common applications of the 74AVCH4T245PW,118?
Common applications include automotive, industrial, consumer electronics, and wearables/IoT devices.
