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Product Detailed Parameters
- Description：IC UART DUAL W/FIFO 48-LQFP
- Series：-
- Mfr：NXP USA Inc.
- Package：Tray
- Features：-
- Number of Channels：2, DUART
- FIFO's：16 Byte
- Protocol：-
- Data Rate (Max)：5Mbps
- Voltage - Supply：2.5V, 3.3V, 5V
- With Auto Flow Control：Yes
- With IrDA Encoder/Decoder：-
- With False Start Bit Detection：Yes
- With Modem Control：Yes
- Mounting Type：Surface Mount
- Package / Case：48-LQFP
- Supplier Device Package：48-LQFP (7x7)
- Grade：-
- Qualification：-
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Overview
The SC16C2550BIB48,151 is a dual-channel Universal Asynchronous Receiver/Transmitter (UART) manufactured by NXP Semiconductors. It operates at supply voltages of 5 V, 3.3 V, and 2.5 V with data rates up to 5 Mbit/s at 5 V and 3.3 V, and 3 Mbit/s at 2.5 V. The device features 16-byte transmit and receive FIFOs, independent programmable baud rate generators, and standard modem control interfaces. It is housed in an LQFP48 package and supports industrial temperature ranges.
Feature Summary
- Dual UART channels with 16-byte FIFOs for reduced CPU bandwidth requirements
- Supports high-speed serial communication up to 5 Mbit/s
- Compatible with 5 V, 3.3 V, and 2.5 V logic levels
- Includes internal loopback capability for on-board diagnostics
Applications
- High-speed modem applications
- Shared network environments requiring fast data processing
- Industrial control systems operating in wide temperature ranges
Procurement Notes
Verify the specific ordering suffix '151' against official documentation to confirm packaging details and compliance status. Ensure the component meets the required voltage and temperature specifications for the target application environment before procurement.
Selection Notes
Select this component when a dual UART interface with integrated FIFOs is required for parallel-to-serial conversion. It serves as an upgrade from single-channel or non-FIFO UARTs, offering enhanced throughput and interrupt management capabilities for complex serial communication tasks.
Part Context
This part belongs to the SC16C2550B family of dual UARTs. It is pin-compatible with the ST16C2550 and functionally equivalent to the 16C2450 upon power-up. The device provides software compatibility with INS8250 and SC16C550 standards, facilitating integration into existing system designs.
Replacement Considerations
The SC16C2550B is pin-compatible with the ST16C2550. For direct replacement, verify that the substitute component matches the LQFP48 package dimensions and electrical characteristics specified in the datasheet.
