ISO7220AD datasheet(9/25 Pages) TI

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SWITCHING CHARACTERISTICS

ISO7220A, ISO7220C, ISO7220M

ISO7221A, ISO7221C, ISO7221M

SLLS755F – JULY 2006 – REVISED AUGUST 2007

VCC1 and VCC2 at 3.3 V operation, over recommended operating conditions (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

tpLH,

Propagation delay

290

400

485

tpHL

ISO722xA

PWD

Pulse-width distortion |tpHL – tpLH|

(1)

tpLH,

Propagation delay

tpHL

ISO722xC

See Figure 1

PWD

Pulse-width distortion |tpHL – tpLH|

(1)

tpLH,

Propagation delay

tpHL

ISO722xM

PWD

Pulse-width distortion |tpHL – tpLH|

(1)

0.5

ISO722xA

190

tsk(pp)

Part-to-part skew(2)

ISO722xC

ISO722xM

ISO7220A

tsk(o)

Channel-to-channel output skew (3)

ISO7220C/M

0.2

Output signal rise time

See Figure 1

Output signal fall time

tfs

Failsafe output delay time from input power loss

See Figure 2

μs

150 Mbps PRBS NRZ data, 5-bit max

same polarity input, both channels, See

Figure 4, Figure 16

tjit(pp)

Peak-to-peak eye-pattern jitter

ISO722xM

150 Mbps unrestricted bit run length data

input, both channels, See Figure 4

(1)

Also referred to as pulse skew.

(2)

tsk(pp) is the magnitude of the difference in propagation delay times between any specified terminals of two devices when both devices

operate with the same supply voltages, at the same temperature, and have identical packages and test circuits.

(3)

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

same direction while driving identical specified loads.

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