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16C554

EPROM-Based 8-Bit CMOS Microcontroller

Partnumber Manufacturer Quantity Availability
16C554 20 In Stock

Description and Introduction

EPROM-Based 8-Bit CMOS Microcontroller The 16C554 is a quad UART (Universal Asynchronous Receiver/Transmitter) manufactured by Exar Corporation. It integrates four independent UART channels, each capable of full-duplex asynchronous communication. Key specifications include:

- **Data Rates**: Supports data rates up to 1.5 Mbps.
- **FIFO Buffers**: Each UART channel has 16-byte transmit and receive FIFOs to reduce CPU overhead.
- **Interrupts**: Programmable interrupt modes with prioritized interrupt handling.
- **Modem Control**: Includes modem control signals (RTS, CTS, DSR, DTR, CD, and RI) for each channel.
- **Clock Input**: Operates with a single external clock input, typically 1.8432 MHz or 3.6864 MHz.
- **Power Supply**: Operates at 5V.
- **Package**: Available in a 68-pin PLCC (Plastic Leaded Chip Carrier) package.
- **Compatibility**: Compatible with industry-standard 16C450 and 16C550 UARTs.

These specifications make the 16C554 suitable for applications requiring multiple serial communication channels, such as industrial control systems, networking equipment, and embedded systems.

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