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Product Detailed Parameters
- Description：IC UART SINGLE W/FIFO 40-DIP
- Series：-
- Mfr：NXP USA Inc.
- Package：Tube
- Features：-
- Number of Channels：1, UART
- FIFO's：16 Byte
- Protocol：-
- Data Rate (Max)：3Mbps
- Voltage - Supply：2.5V, 3.3V, 5V
- With Auto Flow Control：Yes
- With IrDA Encoder/Decoder：Yes
- With False Start Bit Detection：Yes
- With Modem Control：Yes
- Mounting Type：Through Hole
- Package / Case：40-DIP (0.600", 15.24mm)
- Supplier Device Package：40-DIP
- Grade：-
- Qualification：-
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Overview
The SC16C550IN40,112 is a single-channel Universal Asynchronous Receiver/Transmitter (UART) manufactured by NXP USA Inc. It operates within an industrial temperature range of -40 °C to +85 °C and supports supply voltages of 2.5 V, 3.3 V, and 5 V. The device features 16-byte transmit and receive FIFOs with error flags, supporting data rates up to 3 Mbit/s at 5 V, 2 Mbit/s at 3.3 V, and 1 Mbit/s at 2.5 V. It includes an infrared encoder/decoder, programmable auto-flow control, and DMA signaling via TXRDY and RXRDY pins. The component is housed in a DIP40 plastic dual in-line package.
Feature Summary
- Pin-compatible with industry-standard ST16C450/550, TL16C450/550, and PC16C450/550 devices.
- Integrated 16-byte transmit and receive FIFOs reduce external CPU bandwidth requirements.
- Supports automatic hardware flow control using RTS and CTS signals or software Xon/Xoff protocols.
- Includes built-in infrared IrDA encoder and decoder functionality.
Applications
- High-speed modem interfaces requiring fast data processing.
- Shared network environments needing efficient multi-channel communication.
- Industrial systems operating within extended temperature ranges.
Procurement Notes
Verify the specific ordering suffix
Selection Notes
Select this component when pin compatibility with legacy 16C550 designs is required alongside enhanced FIFO performance. Ensure the application voltage matches the desired maximum baud rate specification. Verify that the DIP40 package format aligns with the target PCB layout constraints.
Part Context
This part belongs to the SC16C550 family of UARTs produced by Philips Semiconductors, now NXP. It serves as an upward solution to the standard 16C450 by adding 16-byte FIFOs and advanced flow control features while maintaining register compatibility for existing software drivers.
Replacement Considerations
The SC16C550IN40 is functionally equivalent to the ST16C550, TL16C550, and PC16C550. These parts are pin-compatible and can be used as direct replacements if available from other manufacturers.
