Overview
The SN74LVCHR16245ALR is a 16-bit bus transceiver produced by Texas Instruments. It is designed for asynchronous communication between data buses, making it suitable for applications requiring bidirectional data flow. This component is part of the LVC family, which is known for its low-voltage operation and high-speed performance. The device features 3-state outputs, allowing it to interface efficiently with other components in complex systems. Its target user groups include engineers and designers working on industrial automation, consumer electronics, and automotive systems. The SN74LVCHR16245ALR stands out for its ability to operate within a wide voltage range (1.65V to 3.6V) and its robust ESD protection, making it a reliable choice for demanding environments.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Logic Family | LVC | - | Low-Voltage CMOS |
| Number of Bits | 16 | - | Dual 8-bit configuration |
| Output Type | 3-State | - | Supports high-impedance state |
| Operating Voltage | 1.65 to 3.6 | V | Wide voltage range |
| Operating Temperature | -40 to 85 | °C | Industrial-grade |
| Package | 48-SSOP | - | Surface-mount |
| Propagation Delay | 4.8 | ns | At 3.3V |
| I/O Voltage Tolerance | 5.5 | V | Supports mixed-mode operation |
| ESD Protection | 2000 | V | Human Body Model |
| Bus Hold | Yes | - | Eliminates external pullup/pulldown resistors |
Key Features
- Wide Voltage Range: Operates from 1.65V to 3.6V, making it versatile for various applications.
- 3-State Outputs: Allows for high-impedance state, enabling efficient bus management.
- High-Speed Performance: Features a maximum propagation delay of 4.8 ns at 3.3V.
- ESD Protection: Exceeds 2000V Human Body Model, ensuring reliability in harsh environments.
- Bus Hold: Eliminates the need for external pullup or pulldown resistors, simplifying design.
- Bidirectional Data Flow: Supports asynchronous communication between data buses.
Applications
The SN74LVCHR16245ALR is widely used in various industries due to its robust features and reliable performance. In industrial automation, it facilitates data communication between controllers and sensors. In consumer electronics, it is employed in devices requiring high-speed data transfer, such as smartphones and tablets. The component is also integral to automotive electronics, where it ensures reliable communication between control units and sensors. Additionally, its low-voltage operation makes it suitable for battery-powered devices, further expanding its application scope.
Q & A
1. What is the operating voltage range of the SN74LVCHR16245ALR?
The operating voltage range is 1.65V to 3.6V.
2. Does the SN74LVCHR16245ALR support bidirectional data flow?
Yes, it supports bidirectional data flow for asynchronous communication.
3. What is the maximum propagation delay of this component?
The maximum propagation delay is 4.8 ns at 3.3V.
4. Is the SN74LVCHR16245ALR suitable for automotive applications?
Yes, it is suitable for automotive electronics due to its robust design and ESD protection.
5. Does this device require external pullup or pulldown resistors?
No, it features bus hold functionality, eliminating the need for external resistors.
6. What is the package type of the SN74LVCHR16245ALR?
It comes in a 48-SSOP (Shrink Small Outline Package) format.
7. Can the SN74LVCHR16245ALR operate in harsh environments?
Yes, it has an operating temperature range of -40°C to 85°C and robust ESD protection.
8. What is the logic family of this component?
It belongs to the LVC (Low-Voltage CMOS) logic family.
9. How many bits does the SN74LVCHR16245ALR support?
It supports 16 bits, configured as dual 8-bit transceivers.
10. What is the I/O voltage tolerance of this device?
The I/O voltage tolerance is 5.5V, supporting mixed-mode operation.
