Number of Channels per Chip = 4 장착형태 = Surface Mount 패키지 = TQFP 핀수 = 48 크기 = 7 x 7 x 1mm 최소 작동 온도 = -40 °C Universal Asynchronous Receiver/Transmitter (UART), EXAR. Exar offer a variety of UARTs (Universal Asynchronous Receiver Transmitter) with a broad range of first in, first out (FIFO) depths, while supporting popular central processing unit (CPU) bus interface such as 8-bit VLIO.