Diodes Incorporated — Analog and discrete power solutions

UART - Universal Asynchronous Receiver / Transmitter

Our serial bridge portfolio ranges from cost-effective I2C/SPI/8-Bit UARTs (Universal asynchronous receiver/transmitters) to high-performance multi-port PCI/PCIe UARTs. The I2C/SPI UARTs are offered in 1 and 2 port configurations with several enhanced features. 8-Bit/PCI/PCIe UARTs are offered in 2, 4 and 8 port configurations. 

These serial bridges can be used in a wide range of applications such as Remote Access Servers, Automation, Process Control, Instrumentation, POS, ATM and Multi-port RS232/RS422/RS485 Cards.

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Part Number Data Sheet Ports Pins

Data Rate (kbps)

Bytes Tx/Rx FIFO Ctrs Tx/Rx FIFO INT Trig Auto RTS/CTS Interface

Ambient or Junction Temperature (°C)

Packages Description
PI7C89522 UART10015Mbps128YesYesYesPCI-40 to 85
TQFP (FA100) MSL3 Sn
PCI Dual UART I/O Bridge
PI7C9X11701 UART162416Mbps64YesYesYesI2C/SPI-40 to 85
TSSOP (L24) MSL1 Sn
TSSOP (L16) MSL1 Sn
TQFN (ZD24) MSL1 Sn
I2C/SPI to Single UART Bridge Controller
PI7C9X11722 UART283216Mbps64YesYesYesI2C/SPI-40 to 85
TSSOP (L28) MSL1 Sn
W-QFN5050-32 (ZH32) MSL1 PPF
I2C/SPI to Dual UART Bridge Controller
PI7C9X7522 UART4820Mbps64YesYesYes8-Bits-40 to 85
TQFP (FA48) MSL3 Sn
16C550 Dual UART Bridge Controller
PI7C9X7548 UART 48648010020Mbps64YesYesYes8-Bits-40 to 85
LQFP (FC64) MSL3 Sn
LQFP (FF80) MSL3 Sn
MQFP (M100) MSL3 Sn
TQFN (ZB48) MSL1 Sn
16C550 Quad UART Bridge Controller
PI7C9X7601 UART162416Mbps64YesYesYesI2C/SPI-40 to 85
TSSOP (L24) MSL1 Sn
TSSOP (L16) MSL1 Sn
TQFN (ZD24) MSL1 Sn
I2C/SPI to Single UART Bridge Controller
PI7C9X7622 UART283216Mbps64YesYesYesI2C/SPI-40 to 85
TSSOP (L28) MSL1 Sn
W-QFN5050-32 (ZH32) MSL1 PPF
I2C/SPI to Dual UART Bridge Controller
PI7C9X7944 UART6420Mbps64YesYesYes8-Bits-40 to 85
LQFP (FC64) MSL3 Sn
16C550 Quad UART Bridge Controller
PI7C9X79522 UART12815Mbps128YesYesYesPCIe-40 to 85PCIe-to-Dual UART I/O Bridge
PI7C9X79544 UART12815Mbps128YesYesYesPCIe-40 to 85PCIe-to-Quad UART I/O Bridge
PI7C9X79588 UART16015Mbps128YesYesYesPCIe-40 to 85PCIe-to-Octal UART I/O Bridge
PI7C9X7988 UART10020Mbps 64YesYesYes8-Bits-40 to 85
MQFP (M100) MSL3 Sn
16C550 Octal UART Bridge Controller

Part Comparison

Part Number