INx

5 A

m

500 W

Input (Devices Without Suffix F)

Output

VCCI

VCCI

ENx

500 W

Enable

VCCO VCCO

VCCO

VCCI

5 A

m

OUTx

VCCO

40 W

INx

5 A

m

500 W

Input (Devices With Suffix F)

VCCI

VCCI

VCCI

VCCI

VCCO

21

ISO7340C, ISO7340FC, ISO7341C, ISO7341FC, ISO7342C, ISO7342FC

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SLLSEI6G – SEPTEMBER 2014 – REVISED JANUARY 2017

Product Folder Links: ISO7340C ISO7340FC ISO7341C ISO7341FC ISO7342C ISO7342FC

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(1)

VCCI = Input-side VCC; VCCO = Output-side VCC; PU = Powered up (VCC ≥ 3 V); PD = Powered down (VCC ≤ 2.1 V); X = Irrelevant; H =

High level; L = Low level ; Z = High Impedance

(2)

In fail-safe condition, output defaults to high level

(3)

In fail-safe condition, output defaults to low level

9.4 Device Functional Modes

Table 1 lists the functional modes for the ISO734x family of devices.

Table 1. Function Table(1)

VCCI

VCCO

INPUT

(INx)

OUTPUT ENABLE

(ENx)

OUTPUT

(OUTx)

ISO734xC

ISO734xFC

PU

PU

H

H or Open

H

H

L

H or Open

L

L

X

L

Z

Z

Open

H or Open

H(2)

L(3)

PD

PU

X

H or Open

H(2)

L(3)

X

PU

X

L

Z

Z

X

PD

X

X

Undetermined

Undetermined

9.4.1 Device I/O Schematics

Figure 19. Device I/O Schematics