TL16C554FN

Product Overview

• Category: Integrated Circuit (IC)
• Use: Serial Communication Controller
• Characteristics: High-performance, quad UART with 16-byte FIFOs
• Package: Plastic Quad Flat Package (PQFP)
• Essence: TL16C554FN is a versatile serial communication controller designed for various applications requiring multiple UART channels.
• Packaging/Quantity: The TL16C554FN comes in a PQFP package and is typically sold in reels of 250 units.

Specifications

• Number of Channels: 4
• Data Rate: Up to 1.5 Mbps
• FIFO Size: 16 bytes per channel
• Operating Voltage: 3.3V
• Operating Temperature Range: -40°C to +85°C
• Interface: UART (Universal Asynchronous Receiver/Transmitter)

Detailed Pin Configuration

The TL16C554FN has a total of 100 pins. Here is a brief overview of the pin configuration:

• Pins 1-4: Channel 0 Transmit/Receive Data
• Pins 5-8: Channel 1 Transmit/Receive Data
• Pins 9-12: Channel 2 Transmit/Receive Data
• Pins 13-16: Channel 3 Transmit/Receive Data
• Pins 17-20: Interrupt Request (IRQ) Lines
• Pins 21-24: Control Signals (CTS, RTS, DTR, DSR)
• Pins 25-28: Clock Input/Output
• Pins 29-32: Power Supply and Ground

Please refer to the TL16C554FN datasheet for a complete pinout diagram.

Functional Features

• Quad UART functionality allows for simultaneous communication on four separate channels.
• 16-byte FIFOs per channel enable efficient data buffering and reduce the risk of data loss.
• Supports various UART modes, including asynchronous, synchronous, and IrDA.
• Programmable baud rate generator for flexible communication speed configuration.
• Enhanced modem control signals (CTS, RTS, DTR, DSR) for hardware flow control.

Advantages and Disadvantages

Advantages: - High-performance quad UART with 16-byte FIFOs ensures reliable and efficient data transfer. - Versatile functionality suitable for a wide range of applications requiring multiple UART channels. - Flexible baud rate configuration allows adaptation to different communication requirements. - Enhanced modem control signals provide robust hardware flow control.

Disadvantages: - Limited to 4 UART channels, which may not be sufficient for certain applications requiring more channels. - The PQFP package may require additional care during soldering due to its small size and high pin count.

Working Principles

The TL16C554FN operates as a serial communication controller by receiving and transmitting data through its UART channels. It utilizes a combination of hardware and software to facilitate data transfer between the connected devices. The UART interface converts parallel data into serial format for transmission and vice versa for reception. The integrated FIFOs help in buffering the data, reducing the need for constant CPU intervention.

Detailed Application Field Plans

The TL16C554FN finds applications in various fields that require multiple UART channels, such as:

1. Industrial Automation: Used for communication between PLCs, sensors, and other industrial devices.
2. Telecommunications: Enables serial communication in telecommunication equipment like modems and routers.
3. Embedded Systems: Facilitates communication between microcontrollers and peripheral devices.
4. Point-of-Sale Systems: Provides serial connectivity for barcode scanners, receipt printers, and cash drawers.
5. Medical Devices: Used in medical equipment for data exchange between devices and central systems.

Alternative Models

Here are some alternative models that offer similar functionality to the TL16C554FN:

1. MAX3100: Quad UART with 128-byte FIFOs and I2C/SPI interface.
2. SC16C754: Quad UART with 64-byte FIFOs and enhanced modem control signals.
3. XR17V354: Quad UART with 256-byte FIFOs and selectable voltage levels.

Please note that these alternative models may have different pin configurations and specifications. It is recommended to refer to their respective datasheets for detailed information.

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