ISO7340C datasheet(13/37 Pages) TI1

13 / 37 page

ISO7340C, ISO7340FC, ISO7341C, ISO7341FC, ISO7342C, ISO7342FC

www.ti.com

SLLSEI6F – SEPTEMBER 2014 – REVISED AUGUST 2016

Product Folder Links: ISO7340C ISO7340FC ISO7341C ISO7341FC ISO7342C ISO7342FC

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(1)

Also known as Pulse Skew.

(2)

tsk(o) is the skew between outputs of a single device with all driving inputs connected together and the outputs switching in the same

direction while driving identical loads.

(3)

tsk(pp) is the magnitude of the difference in propagation delay times between any terminals of different devices switching in the same

direction while operating at identical supply voltages, temperature, input signals and loads.

(4)

The enable signal rate should be

≤ 43 Kbps.

7.13 Switching Characteristics—5-V Supply

VCC1 and VCC2 at 5 V ± 10% (over recommended operating conditions unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

tPLH, tPHL

Propagation delay time

See Figure 14

PWD(1)

Pulse width distortion |tPHL – tPLH|

tsk(o)

(2)

Channel-to-channel output skew time

Same-direction Channels

2.5

Opposite-direction Channels

tsk(pp)

(3)

Part-to-part skew time

Output signal rise time

See Figure 14

2.1

Output signal fall time

1.7

tPHZ

Disable propagation delay, high-to-high impedance output

See Figure 15

tPLZ

Disable propagation delay, low-to-high impedance output

tPZH

Enable propagation delay, high

impedance-to-high output

ISO734xC

ISO734xFC

15000

23000(4)

tPZL

Enable propagation delay, high

impedance-to-low output

ISO734xC

15000

23000(4)

ISO734xFC

tfs

Fail-safe output delay time from input power loss

See Figure 16

9.4

μs

(1)

Also known as Pulse Skew.

(2)

tsk(o) is the skew between outputs of a single device with all driving inputs connected together and the outputs switching in the same

direction while driving identical loads.

(3)

tsk(pp) is the magnitude of the difference in propagation delay times between any terminals of different devices switching in the same

direction while operating at identical supply voltages, temperature, input signals and loads.

(4)

The enable signal rate should be

≤ 45 Kbps.

7.14 Switching Characteristics—3.3-V Supply

VCC1 and VCC2 at 3.3 V ± 10% (over recommended operating conditions unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

tPLH, tPHL

Propagation delay time

See Figure 14

PWD(1)

Pulse width distortion |tPHL – tPLH|

2.5

tsk(o)

(2)

Channel-to-channel output skew time

Same-direction Channels

Opposite-direction Channels

tsk(pp)

(3)

Part-to-part skew time

Output signal rise time

See Figure 14

2.8

Output signal fall time

2.1

tPHZ

Disable propagation delay, high-to-high impedance output

See Figure 15

tPLZ

Disable propagation delay, low-to-high impedance output

tPZH

Enable propagation delay, high impedance-

to-high output

ISO734xC

ISO734xFC

16000

24000(4)

tPZL

Enable propagation delay, high impedance-

to-low output

ISO734xC

16000

24000(4)

ISO734xFC

tfs

Fail-safe output delay time from input power loss

See Figure 16

9.4

μs

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