ISO7730FDW datasheet(10/37 Pages) TI1

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ISO7730, ISO7731

SLLSES0B – SEPTEMBER 2016 – REVISED OCTOBER 2016

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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.

6.15 Switching Characteristics—5-V Supply

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

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

tPLH, tPHL

Propagation delay time

See Figure 13

PWD

Pulse width distortion(1) |tPHL – tPLH|

0.6

4.9

tsk(o)

Channel-to-channel output skew time(2)

Same-direction channels

tsk(pp)

Part-to-part skew time(3)

4.5

Output signal rise time

See Figure 13

1.3

3.9

Output signal fall time

1.4

3.9

tPHZ

Disable propagation delay, high-to-high impedance output

See Figure 14

tPLZ

Disable propagation delay, low-to-high impedance output

tPZH

Enable propagation delay, high impedance-to-high output for

ISO773x

Enable propagation delay, high impedance-to-high output for

ISO773x with F suffix

8.5

μs

tPZL

Enable propagation delay, high impedance-to-low output for ISO773x

8.5

μs

Enable propagation delay, high impedance-to-low output for ISO773x

with F suffix

tDO

Default output delay time from input power loss

Measured from the time VCC

goes below 1.7 V. See Figure 15

0.1

0.3

μs

tie

Time interval error

216 – 1 PRBS data at 100 Mbps

0.6

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