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The ST16C2552CJ44TR-F is a dual UART (Universal Asynchronous Receiver/Transmitter) IC manufactured by Maxim Integrated (now part of Analog Devices). Below are its key specifications, descriptions, and features:

Specifications

• Manufacturer: Maxim Integrated
• Model: ST16C2552CJ44TR-F
• Package: PLCC-44
• Operating Voltage: 3.3V or 5V
• Data Rate: Up to 5 Mbps
• Number of Channels: 2 (Dual UART)
• FIFO Depth: 64 bytes (Tx & Rx per channel)
• Interface: Parallel (8-bit)
• Operating Temperature: -40°C to +85°C
• Additional Features:
• Software-selectable baud rates
• Modem control signals (CTS, RTS, DSR, DTR, RI, CD)
• Auto hardware/software flow control
• Sleep mode for power savings

Descriptions

The ST16C2552CJ44TR-F is a high-performance dual UART designed for applications requiring reliable serial communication. It supports two independent full-duplex UART channels with 64-byte FIFOs to reduce CPU overhead. It is compatible with industry-standard 16C450/16C550 UARTs and includes enhanced features like programmable baud rates and flow control.

Features

• Dual full-duplex UART channels
• 64-byte transmit and receive FIFOs per channel
• Supports 5V or 3.3V operation
• Programmable baud rate generator (up to 5 Mbps)
• Hardware/software flow control (XON/XOFF, RTS/CTS)
• Modem control signals (CTS, RTS, DSR, DTR, RI, CD)
• Sleep mode for reduced power consumption
• Industrial temperature range (-40°C to +85°C)
• PLCC-44 package for compact designs

This device is commonly used in industrial automation, networking, embedded systems, and telecommunications applications requiring robust serial communication.