RS Components
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MaxLinear Quad-Channel UART 64-Pin LQFP, ST16C554DCQ64-F

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256 In stock for delivery within 7 working day(s)
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1 - 9$12.16
10 - 49$12.15
50 - 99$11.31
100 - 249$10.89
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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.

A Universal Asynchronous Receiver/Transmitter, abbreviated (UART) and universal synchronous/asynchronous receiver/transmitter (USART) are commonly used in conjunction with communication standards such as EIA, RS-232, RS-422 or RS-485. It takes bytes of data and transmits or receives the individual bits in a sequential fashion. Modem (Modulator-Demodulator) that modulates an analogue carrier signal to encode digital information and demodulates the signal to decode the transmitted information includes the UART function for transmission over telephone lines.

Number of Channels per Chip4
Transmit FIFO16B
Receive FIFO16B
Maximum Data Rate1.5Mbit/s
Transmitter and Receiver FIFO CounterYes
Mounting TypeSurface Mount
Package TypeLQFP
Pin Count64
Typical Operating Supply Voltage2.97 → 5.5 V
Dimensions10.1 x 10.1 x 1.45mm
Maximum Operating Temperature+70 °C
Minimum Operating Temperature0 °C