ST75C176CN(2006) 查看數據表（PDF） - STMicroelectronics

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产品描述 (功能)

生产厂家

ST75C176CN
(Rev.:2006)

Low power RS-485/RS-422 transceiver

STMicroelectronics 

Truth tables

2

Truth tables

Table 2.

Truth table (driver)

Inputs

RE

DE

DI

X

H

H

X

H

L

X

L

X

Note:

X= Don’t care; Z=High impedance

Table 3.

RE

L

L

L

H

Note:

Truth table (receiver)

Inputs

DE

A-B

L

≥ +0.2V

L

≤ -0.2V

L

INPUTS OPEN

L

X

X= Don’t care; Z=High impedance

ST75C176

Outputs

B

A

L

H

H

L

Z

Z

Output

RO

H

L

H

Z

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