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Interface

EXAR, the market leader, offers the industry's broadest line-up of UART and serial protocol transceivers solutions. With over 200 devices, wide 1.62V to 5.5V power supply range, 1 to 128 bytes of FIFO and compliance with the universal 3.3/5V PCI, Intel and Motorola bus interfaces, including single protocol ICs that support RS-232, RS-422 or RS-485 as well as dual and multi-protocol ICs that support from 2 to 8 of the most popular interface standards with a single IC, Exar has already done the difficult work for you. We can deliver an immediate competitive advantage to your compressed time-to-market demands accelerating initial design, to functioning prototype and finally volume production.

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Transceiver
RS232

2
2
120
15
4.5
5.5
5
▪
4
0.1
▪
4
3
120
2
4.5
5.5
5
▪
4
0.1
▪
▪
5
3
120
2
4.5
5.5
5
▪
4
0.1
5
3
120
15
4.5
5.5
5
▪
4
0.1
5
3
460
15
4.5
5.5
5
▪
4
0.1
4
4
120
10
4.5
5.5
5
▪
4
0.1
4
4
120
15
4.5
5.5
5
▪
4
0.1
4
4
460
15
4.5
5.5
5
▪
4
0.1
4
5
120
2
4.5
5.5
5
▪
4
0.1
▪
▪
4
5
120
2
4.5
5.5
5
▪
4
0.1
▪
▪
4
5
120
15
4.5
5.5
5
▪
4
0.1
▪
▪
4
5
460
15
4.5
5.5
5
▪
4
0.1
▪
▪
4
5
460
2
4.5
5.5
5
▪
4
0.1
▪
▪
4
5
120
2
4.5
5.5
5
▪
4
0.1
▪
▪
4
5
120
15
4.5
5.5
5
▪
4
0.1
▪
▪
4
5
460
15
4.5
5.5
5
▪
4
0.1
▪
▪
6
10
460
15
10.8
13.2
12
▪
2
0.1
5
0
20
2
4.5
5.5
5
▪
4
1
▪
2
2
120
2
4.5
5.5
5
▪
4
0.1
2
2
120
15
4.5
5.5
5
▪
4
0.1
2
2
120
2
4.5
5.5
5
▪
0
2
2
120
15
4.5
5.5
5
▪
0
4
0
20
2
4.5
5.5
5
▪
4
1
5
5
20
2
4.5
5.5
5
▪
0
▪
▪
5
5
20
2
4.5
5.5
5
▪
0
▪
▪
4
3
20
2
4.5
5.5
5
▪
4
1
▪
5
3
20
2
4.5
5.5
5
▪
4
1
4
4
20
2
4.5
5.5
5
▪
4
1
5
5
20
2
4.5
5.5
5
▪
4
1
▪
▪
5
5
20
2
4.5
5.5
5
▪
4
1
▪
▪
4
5
20
2
4.5
5.5
5
▪
4
1
▪
▪
4
5
20
2
4.5
5.5
5
▪
4
1
▪
▪
3
5
20
2
4.5
5.5
5
▪
4
1
▪
▪
2
2
120
2
4.5
5.5
5
▪
4
0.1
▪
2
2
120
15
4.5
5.5
5
▪
4
0.1
▪
2
2
120
2
4.5
5.5
5
▪
4
0.1
▪
▪
2
2
120
15
4.5
5.5
5
▪
4
0.1
▪
▪
3
2
250
15
3
5.5
3.3
▪
4
0.1
▪
▪
1
1
120
15
3
5.5
3.3
▪
4
0.1
▪
▪
1
1
1000
15
3
5.5
3.3
▪
4
0.1
▪
▪
2
2
120
15
3
5.5
3.3
▪
4
0.1
▪
▪
2
2
250
15
3
5.5
3.3
▪
4
0.1
▪
▪
2
2
460
15
3
5.5
3.3
▪
4
0.1
▪
▪
2
2
1000
15
3
5.5
3.3
▪
4
0.1
▪
▪
2
2
120
15
3
5.5
3.3
▪
4
0.1
▪
▪
2
2
250
15
3
5.5
3.3
▪
4
0.1
▪
▪
2
2
460
15
3
5.5
3.3
▪
4
0.1
▪
▪
2
2
1000
15
3
5.5
3.3
▪
4
0.1
▪
▪
2
2
250
15
3
5.5
3.3
▪
4
0.1
▪
▪
2
2
250
15
3
5.5
3.3
▪
4
0.1
▪
▪
1
1
1
15
3
5.5
3.3
▪
4
0.1
▪
▪
1
1
1
15
3
5.5
3.3
▪
4
0.1
▪
▪
2
2
120
15
3
5.5
3.3
▪
4
0.1
2
2
250
15
3
5.5
3.3
▪
4
0.1
2
2
460
15
3
5.5
3.3
▪
4
0.1
2
2
1000
15
3
5.5
3.3
▪
4
0.1
5
3
250
15
3
5.5
3.3
▪
4
0.1
▪
▪
5
3
250
15
3
5.5
3.3
▪
4
0.1
▪
▪
3
5
120
15
3
5.5
3.3
▪
4
0.1
▪
▪
3
5
250
15
3
5.5
3.3
▪
4
0.1
▪
▪
3
5
460
15
3
5.5
3.3
▪
4
0.1
▪
▪
3
5
1000
15
3
5.5
3.3
▪
4
0.1
▪
▪
3
5
250
15
3
5.5
3.3
▪
4
0.1
▪
▪
3
5
1000
15
3
5.5
3.3
▪
4
0.1
▪
▪
5
3
250
15
3
5.5
3.3
▪
4
0.1
▪
5
3
250
15
2.3
5.5
3
▪
4
0.1
▪
▪
2
2
120
2
3
5
3.6
▪
4
0.1
▪
2
2
120
15
3
5
3.6
▪
4
0.1
▪