4-UART Datasheet, Features, Application

CP2102N - USB-to-UART bridge controller

CH340G - USB to UART Interface

FT4232HQ - Quad High Speed USB to Multipurpose UART/MPSSE

NS16550A - UART Design and Application Considerations

ST16C450 - UNIVERSAL ASYNCHRONOUS RECEIVER/TRANSMITTER (UART)

X49SM8MSD2SC - QUARTZ CRYSTAL UNITS

QBS038ZD-A - Quarter-Brick

NJU6229 - 32.768kHz output Tuning fork Quartz Crystal Oscillator IC

CX11L - Ultra-Miniature Surface Mount Quartz Crystal

NJU6214 - Small-Sized 1.8V Operating Voltage Fundamental Quartz Crystal Oscillator IC

CH340G - USB to UART Interface

PXAG49 - XA 16-bit microcontroller family 64K FLASH/2K RAM/ watchdog/ 2 UARTs

XTAL003001 - SPECIFYING SURFACE MOUNT QUARTZ CRYSTALS

HC-49USX - QUARTZ CRYSTAL

XR17V254 - 66MHZ PCI BUS QUAD UART

XR16M680 - 1.62V TO 3.63V HIGH PERFORMANCE UART

SAB8256A - Programmable Multifunction UART

XR16V564 - 2.25V TO 3.6V QUAD UART

VK3344 - IIC Bus Interface 2.5V-5.5V wide voltage SOP20 4-channel 16-stage FIFO UART extended Universal Asynchronous Receiver Transmitter

XR21B1411 - ENHANCED 1-CH FULL-SPEED USB UART