Overview
The SC16C554DBIA68, produced by NXP USA Inc., is a 4-channel Universal Asynchronous Receiver and Transmitter (UART) designed for serial data communications. This component is part of the SC16C554B/554DB family and is pin compatible with the ST16C554 and TL16C554. It powers up to be functionally equivalent to the 16C454. The device supports multiple voltage levels, including 5 V, 3.3 V, and 2.5 V, and operates at a maximum baud rate of 5 Mbit/s. It features 16-byte FIFOs for both transmit and receive operations, enhancing data transfer efficiency and reducing the need for frequent CPU intervention.
Key Specifications
| Parameter | Description |
|---|---|
| Voltage Supply | 5 V, 3.3 V, 2.5 V |
| Maximum Baud Rate | 5 Mbit/s |
| FIFO Size | 16 bytes (both transmit and receive) |
| Package Type | 68-pin PLCC (Plastic Leaded Chip Carrier) |
| Pin Compatibility | Compatible with ST16C554 and TL16C554 |
| Operating Modes | 16-mode and 68-mode |
| Modem Control Signals | CTS (Clear to Send), RTS (Request to Send), DTR (Data Terminal Ready), DSR (Data Set Ready) |
Key Features
- Multi-Voltage Support: Operates at 5 V, 3.3 V, and 2.5 V, making it versatile for various system designs.
- High-Speed Data Transfer: Supports up to 5 Mbit/s baud rate for fast serial communication.
- Large FIFOs: 16-byte FIFOs for both transmit and receive operations reduce CPU overhead and improve system performance.
- Modem Control Signals: Includes CTS, RTS, DTR, and DSR signals for comprehensive modem control.
- Pin Compatibility: Compatible with ST16C554 and TL16C554, facilitating easy upgrades or substitutions in existing designs.
- Dual Operating Modes: Supports both 16-mode and 68-mode, offering flexibility in system configuration.
Applications
- Industrial Automation: Used in industrial control systems, PLCs, and other automation equipment requiring reliable serial communication.
- Embedded Systems: Suitable for embedded systems, such as microcontrollers and single-board computers, that need multiple serial interfaces.
- Medical Devices: Applied in medical devices that require robust and reliable serial communication for data transfer and control.
- Telecommunications: Used in telecommunications equipment, such as modems and data terminals, for serial data communication.
- Aerospace and Defense: Employed in aerospace and defense applications where high reliability and performance are critical.
Q & A
- Q: What are the supported voltage levels for the SC16C554DBIA68?
A: The SC16C554DBIA68 supports 5 V, 3.3 V, and 2.5 V voltage levels. - Q: What is the maximum baud rate of the SC16C554DBIA68?
A: The maximum baud rate is 5 Mbit/s. - Q: What is the size of the FIFOs in the SC16C554DBIA68?
A: The FIFOs are 16 bytes for both transmit and receive operations. - Q: Is the SC16C554DBIA68 pin compatible with other UARTs?
A: Yes, it is pin compatible with the ST16C554 and TL16C554. - Q: What package type is the SC16C554DBIA68 available in?
A: It is available in a 68-pin PLCC package. - Q: Does the SC16C554DBIA68 support modem control signals?
A: Yes, it includes CTS, RTS, DTR, and DSR signals for modem control. - Q: What are the operating modes of the SC16C554DBIA68?
A: It supports both 16-mode and 68-mode. - Q: Is the SC16C554DBIA68 compliant with environmental regulations?
A: Yes, it is compliant with EU Directives RoHS, ELV, and the China RoHS. - Q: Where can I find detailed design files and footprints for the SC16C554DBIA68?
A: Detailed design files and footprints are available on the NXP website. - Q: What are some common applications of the SC16C554DBIA68?
A: It is commonly used in industrial automation, embedded systems, medical devices, telecommunications, and aerospace and defense applications.
