Description

The ST16C554DCQ64TR-F is a quad Universal Asynchronous Receiver and Transmitter (UART) with 16 bytes of transmit and receive FIFOs, selectable receive FIFO trigger levels and data rates of up to 1.5 Mbps. Each UART has a set of registers that provide the user with operating status and control, receiver error indications, and modem serial interface controls. This product is pin-to-pin compatible with the industry standard ST16C454, ST68C454, ST68C554, TI’s TL16C554A and Philips’ SC16C554B.

The ST16C554DCQ64TR-F is a part of the UARTs (Universal Asynchronous Receiver Transmitter) product category.

Specifications and features

• Pin-to-pin compatible with the industry standard ST16C454, ST68C454, ST68C554, TI’s TL16C554A and Philips’ SC16C554B
• Intel or Motorola Data Bus Interface select
• Four independent UART channels
• Register Set Compatible to 16C550
• Data rates of up to 1.5 Mbps at 5 V
• Data rates of up to 500 Kbps at 3.3V
• 16 byte Transmit FIFO
• 16 byte Receive FIFO with error tags
• 4 Selectable RX FIFO Trigger Levels
• Full modem interface
• 2.97V to 5.5V supply operation
• Crystal oscillator or external clock input

Application Scenarios

The ST16C554DCQ64TR-F is suitable for use in various applications such as portable appliances, telecommunication and Ethernet network routers, cellular data devices as well as factory automation and process controls.

Comparison

• Pin-to-pin compatible with multiple industry standard models
• Data rates of up to 1.5 Mbps at 5 V
• 16 byte Transmit FIFO and 16 byte Receive FIFO with error tags
• 4 Selectable RX FIFO Trigger Levels

• May not be suitable for applications requiring higher data rates
• May not be suitable for applications requiring larger FIFO sizes