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SCC2691AE1A28,623 is listed in the UARTs (Universal Asynchronous Receiver Transmitter) range at ChipApex. The manufacturer field lists NXP USA Inc.. Its product description is IC UART 28PLCC. Review the specifications below when checking this part for your BOM.
The NXP USA Inc. SCC2691AE1A28,623 is a single-chip CMOS-LSI Universal Asynchronous Receiver/Transmitter (UART) fabricated using Philips Semiconductors technology. It provides full-duplex asynchronous communication with an operating speed selectable from 22 fixed baud rates ranging from 50 to 115.2K baud, non-standard rates up to 115.2 kb, or external clocks. The device features a quadruple buffered receiver data register and operates on a single +5V power supply. It supports programmable data formats including 5 to 8 data bits plus parity and 1, 1.5, or 2 stop bits. The component includes a 16-bit programmable counter/timer and offers commercial (0°C to +70°C) and industrial (-40°C to +85°C) temperature versions.
Verify the specific ordering suffix against the manufacturer's official documentation to confirm the package type and operating temperature range. Ensure that the +5V power supply requirements and TTL compatibility align with the target system design before procurement.
Select this UART for applications requiring independent baud rate control for the receiver and transmitter. Consider the quadruple buffering feature if minimizing CPU interrupt load is critical. Verify that the available packages, such as PLCC or SOL, fit the physical constraints of the printed circuit board layout.
The SCC2691 is part of the Universal Asynchronous Receiver/Transmitter family originally developed by Philips Semiconductors. It serves as a high-density, low-power CMOS-LSI solution designed to replace older discrete UART implementations in embedded systems and industrial control applications.
SCC2691AC1A28
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