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Document Number: 70788

S11-0975-Rev. F, 16-May-11

Vishay Siliconix

Si9243A

This document is subject to change without notice.

OUTPUT TABLE AND STATE DIAGRAMS

Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation

of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum

rating conditions for extended periods may affect device reliability.

A = 1

A = 0

Over Temp

Over Temp . TX

B = 1

B = 0

Short Circuit

TX

Power On

Power On

Note: Over Temp is an internal condition, not meant

to be a logic signal.

INPUTS

STATE

VARIABLE

OUTPUT

TABLE

TX

L

A

B

K

Comments

00

1

1

0

0

0

11

1

1

1

1

1

01

1

1

0

0

1

10

1

1

1

1

0

XL

0

1

HiZ

K

L

Over Temp

0

L

1

0

HiZ

K

L

Short Circuit

1

1

1

1

1

1

1

Receive Mode

10

1

1

0

0

0

X = "1" or "0"

HiZ = High Impedance State

ABSOLUTE MAXIMUM RATINGS

Parameter

Limit

Unit

Voltages Referenced to Ground

- 24 to 45

V

Voltage K, L

55

mA

7V

Continuous

- 40 to 125

°C

Junction and Storage Temperature

- 55 to 150

Thermal Impedance (

125

°C/W

RECOMMENDED OPERATING RANGE

Parameter

Limit

Unit

Voltages Referenced to Ground

4.5 to 5.5

V

6 to 36

K, L

6 to 36

Digital Inputs