Overview
The 74LVC4245APW-Q100J is an octal dual supply translating transceiver produced by Nexperia USA Inc. This device is designed to facilitate communication between two different voltage domains, specifically between 3 V and 5 V buses in a mixed supply environment. It features 3-state bus compatible outputs in both send and receive directions, making it highly versatile for various electronic designs. The transceiver includes an output enable input (OE) and a send/receive input (DIR) for direction control, allowing for precise management of data flow. Additionally, it is qualified to the Automotive Electronics Council (AEC) standard Q100 (Grade 1), ensuring its suitability for automotive 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) | Package name |
|---|---|---|---|---|---|---|---|---|---|
| 74LVC4245APW-Q100 | 1.5 - 5.5 | 1.5 - 3.6 | CMOS/LVTTL | ± 24 | 4 | 8 | Low | -40 ~ 125 | TSSOP24 |
Key Features
- Dual Supply Voltage: Operates with supply voltages ranging from 1.5 V to 5.5 V for VCC(A) and 1.5 V to 3.6 V for VCC(B), enabling seamless communication between different voltage domains.
- 3-State Outputs: Features 3-state bus compatible outputs in both send and receive directions, allowing for high-impedance OFF-state when output enable (OE) is HIGH.
- Direction Control: Includes send/receive input (DIR) for controlling the direction of data flow.
- Schmitt-Trigger Inputs: Tolerant of slower input rise and fall times due to Schmitt-trigger action at all inputs.
- Automotive Qualified: Qualified to the Automotive Electronics Council (AEC) standard Q100 (Grade 1), making it suitable for automotive applications.
Applications
The 74LVC4245APW-Q100J is versatile and can be used in various applications, including:
- Automotive Systems: Suitable for use in automotive electronics due to its AEC-Q100 qualification.
- Mixed Voltage Systems: Ideal for interfacing between 3 V and 5 V buses in mixed supply environments.
- Industrial and Consumer Electronics: Can be used in industrial control systems, consumer electronics, and other applications requiring level translation.
- Computing and Power Systems: Useful in computing and power management systems where voltage translation is necessary.
Q & A
- What is the primary function of the 74LVC4245APW-Q100J?
The primary function is to act as an octal dual supply translating transceiver, facilitating communication between 3 V and 5 V buses.
- What are the supply voltage ranges for VCC(A) and VCC(B)?
VCC(A) ranges from 1.5 V to 5.5 V, and VCC(B) ranges from 1.5 V to 3.6 V.
- What is the significance of the 3-state outputs?
The 3-state outputs allow the device to enter a high-impedance OFF-state when the output enable (OE) is HIGH, effectively isolating the buses.
- How is the direction of data flow controlled?
The direction of data flow is controlled by the send/receive input (DIR).
- Is the device suitable for automotive applications?
Yes, it is qualified to the Automotive Electronics Council (AEC) standard Q100 (Grade 1).
- What is the operating temperature range of the device?
The operating temperature range is -40°C to 125°C.
- What package type is the 74LVC4245APW-Q100J available in?
The device is available in a TSSOP24 package.
- What is the output drive capability of the device?
The output drive capability is ±24 mA.
- What is the propagation delay (tpd) of the device?
The propagation delay is approximately 4 ns.
- Does the device have any special input characteristics?
Yes, it features Schmitt-trigger action at all inputs, making it tolerant of slower input rise and fall times.
