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UART Transceivers

ASIX UART transceivers products include four families: 5V RS-232 Transceivers, 3V RS-232 Transceivers, 5V RS-485 Transceivers and 3V RS-485 Transceivers. This solution is suitable for I/O interface connectivity, PC & Peripherals, industrial computers, etc. applications.

Interface Connectivity Applications

Selection Guide

5V RS-232 Transceivers

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Partnumber

Supply Voltage

Typical Icc Current (mA)

Tx No.

Rx No.

Data Rate (Kbps)

Typ. Output Voltage Swing(V)

ESD on RS232 I/O

Receiver Enable

Shutdown Enable

Wake Up

Pins No.

Temperature Range(℃)

Package Type

+5V
4.0
2
2
250
± 9V
± 15KV
---
---
---
16
-40 ~ +85
PDIP, nSOIC, TSSOP
+5V
3.0
2
2
250
± 6V
± 15KV
---
---
---
16
-40 ~ +85
PDIP, nSOIC, wSOIC, TSSOP
+5V
3.0
4
5
250
± 6V
± 15KV
V
V
---
28
-40 ~ +85
wSOIC, SSOP
+5V
5.0
4
5
250
± 9V
± 15KV
V
V
V
28
-40 ~ +85
wSOIC, SSOP
+5V
3.0
4
5
250
± 6V
± 15KV
V
V
V
28
-40 ~ +85
wSOIC, SSOP
+5V
3.0
4
5
1000
± 6V
± 15KV
V
V
V
28
-40 ~ +85
wSOIC, SSOP

3V RS-232 Transceivers

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Partnumber

Supply Voltage

Typical Icc Current (mA)

Tx No.

Rx No.

Data Rate (Kbps)

ESD on RS232 I/O

Receiver Enable

Shutdown Enable

AUTOGREEN Function

Pins No.

Temperature Range(℃)

Package Type

+3.0~5.5V
0.5
3
5
250
± 15KV
---
V
V
28
-40 ~ +85
SSOP, TSSOP
+3.0~5.5V
0.5
3
5
1000
± 15KV
---
V
V
28, 32
-40 ~ +85
SSOP, TSSOP, WQFN
+3.0~5.5V
0.5
1
1
250
± 15KV
V
V
---
16
-40 ~ +85
wSOIC, SSOP, TSSOP
+3.0~5.5V
0.5
1
1
250
± 15KV
V
V
V
16
-40 ~ +85
SSOP, TSSOP
+3.0~5.5V
0.5
2
2
250
± 15KV
V
V
---
18, 20
-40 ~ +85
wSOIC, SSOP, TSSOP
+3.0~5.5V
0.5
2
2
1000
± 15KV
V
V
---
18, 20
-40 ~ +85
wSOIC, SSOP, TSSOP
+3.0~5.5V
0.5
2
2
250
± 15KV
V
V
V
20
-40 ~ +85
SSOP, TSSOP
+3.0~5.5V
0.5
2
2
250
± 15KV
---
---
---
16
-40 ~ +85
nSOIC, wSOIC, SSOP, TSSOP, QFN
+3.0~5.5V
0.5
2
2
1000
± 15KV
---
---
---
16
-40 ~ +85
nSOIC, wSOIC, SSOP, TSSOP, QFN
+3.0~5.5V
0.5
3
5
250
± 15KV
V
V
---
28
-40 ~ +85
wSOIC, SSOP, TSSOP
+3.0~5.5V
0.5
3
5
250
± 15KV
---
V
V
28, 32
-40 ~ +85
wSOIC, SSOP, TSSOP, VQFN
+3.0~5.5V
0.5
3
5
1000
± 15KV
---
V
V
28, 32
-40 ~ +85
wSOIC, SSOP, TSSOP, VQFN
+3.0~5.5V
0.5
2
2
250
± 15KV
---
V
---
18, 20
-40 ~ +85
wSOIC, SSOP

5V RS-485 Transceivers

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Partnumber

Supply Voltage

Typical Icc Current (mA)

Tx/Rx No.

Duplex

Data Rate (Mbps)

ESD on RS485 I/O

Tx/Rx No. on Bus

Slew Rate Limit

Low- Power Shutdown

Tx/Rx Enable

Pins No.

Temperature Range(℃)

Package Type

+5V
0.4
1/1
Half
0.25
± 15KV
32
V
V
V
8
-40 ~ +85
PDIP, nSOIC
+5V
0.4
1/1
Half
10
± 15KV
32
---
V
V
8
-40 ~ +85
PDIP, nSOIC
+5V
0.4
1/1
Full
0.25
± 15KV
32
V
---
---
8
-40 ~ +85
PDIP, nSOIC
+5V
0.4
1/1
Full
0.25
± 15KV
32
V
V
V
14
-40 ~ +85
PDIP, nSOIC
+5V
0.4
1/1
Full
10
± 15KV
32
---
---
---
8
-40 ~ +85
PDIP, nSOIC
+5V
0.4
1/1
Full
10
± 15KV
32
---
V
V
14
-40 ~ +85
PDIP, nSOIC
+5V
0.4
1/1
Half
0.25
± 15KV
128
V
V
V
8
-40 ~ +85
PDIP, nSOIC
+5V
0.4
1/1
Half
0.25
± 15KV
256
V
V
V
8
-40 ~ +85
PDIP, nSOIC
+5V
0.4
1/1
Half
10
± 15KV
256
---
V
V
8
-40 ~ +85
PDIP, nSOIC
+5V
0.4
1/1
Full
0.25
± 15KV
256
V
---
---
8
-40 ~ +85
PDIP, nSOIC
+5V
0.4
1/1
Full
0.25
± 15KV
256
V
V
V
14
-40 ~ +85
PDIP, nSOIC
+5V
0.4
1/1
Full
10
± 15KV
256
---
---
---
8
-40 ~ +85
PDIP, nSOIC
+5V
0.4
1/1
Full
10
± 15KV
256
---
V
V
14
-40 ~ +85
PDIP, nSOIC
+5V
0.4
1/1
Half
2.5
± 15KV
256
---
V
V
8
-40 ~ +85
PDIP, nSOIC
+5V
0.4
1/1
Full
20
± 15KV
256
---
---
---
8
-40 ~ +85
PDIP, nSOIC

3V RS-485 Transceivers

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Partnumber

Supply Voltage

Typical Icc Current (mA)

Tx/Rx No.

Duplex

Data Rate (Mbps)

ESD on RS485 I/O

Tx/Rx No. on Bus

Slew Rate Limit

Rx Input Filtering

Low- Power Shutdown

Tx/Rx Enable

Pins No.

Temperature Range(℃)

Package Type

+3V
0.4
1/1
Half
0.25
± 15KV
32
V
V
V
V
8
-40 ~ +85
PDIP, nSOIC
+3V
0.4
1/1
Half
16
± 15KV
32
---
---
V
V
8
-40 ~ +85
PDIP, nSOIC
+3V
0.4
1/1
Full
0.25
± 15KV
32
V
V
---
---
8
-40 ~ +85
PDIP, nSOIC
+3V
0.4
1/1
Full
16
± 15KV
32
---
---
---
---
8
-40 ~ +85
PDIP, nSOIC
+3V
0.4
1/1
Full
16
± 15KV
32
---
---
V
V
14
-40 ~ +85
PDIP, nSOIC
+3V
0.4
1/1
Full
0.25
± 15KV
256
V
V
V
V
14
-40 ~ +85
PDIP, nSOIC
+3V
0.4
1/1
Half
0.25
± 15KV
256
V
V
V
V
8
-40 ~ +85
PDIP, nSOIC
+3V
0.4
1/1
Full
0.5
± 15KV
256
V
V
V
14
-40 ~ +85
PDIP, nSOIC
+3V
0.4
1/1
Half
0.5
± 15KV
256
V
V
V
V
8
-40 ~ +85
PDIP, nSOIC
+3V
0.4
1/1
Full
16
± 15KV
256
---
V
V
V
14
-40 ~ +85
PDIP, nSOIC
+3V
0.4
1/1
Half
16
± 15KV
256
---
V
V
V
8
-40 ~ +85
PDIP, nSOIC