ISO7140FCC datasheet(4/22 Pages) TI

4 / 22 page

ISO7131CC, ISO7140CC, ISO7140FCC

ISO7141CC, ISO7141FCC

SLLSE83E – APRIL 2013 – REVISED SEPTEMBER 2013

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ELECTRICAL CHARACTERISTICS

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

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

IOH = –4 mA; see Figure 1

VCCx

(1) – 0.5

4.8

VOH

High-level output voltage

IOH = –20 μA; see Figure 1

VCCx

(1) – 0.1

IOL = 4 mA; see Figure 1

0.2

0.4

VOL

Low-level output voltage

IOL = 20 μA; see Figure 1

0.1

VI(HYS)

Input threshold voltage

450

hysteresis

IIH

High-level input current

VIH = VCC at INx or ENx

μA

IIL

Low-level input current

VIL = 0 V at INx or ENx

–10

Common-mode transient

CMTI

VI = VCC or 0 V; see Figure 4

kV/

μs

immunity

(1)

VCCx is the supply voltage, VCC1 or VCC2, for the output channel that is being measured.

SWITCHING CHARACTERISTICS

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 1

PWD(1)

Pulse width distortion |tPHL – tPLH|

Same-direction

channels

tsk(o)

(2)

Channel-to-channel output skew time

Opposite-direction

channels

tsk(pp)

(3)

Part-to-part skew time

Output signal rise time

See Figure 1

Output signal fall time

tPHZ, tPLZ Disable propagation delay, high/low-to-high impedance output

See Figure 2

tPZH, tPZL Enable propagation delay, high impedance-to-high/low output

tfs

Fail-safe output delay time from input data or power loss

See Figure 3

9.5

μs

tGR

Input glitch rejection time

(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.

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