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PI90LV024, PI90LVB024

LVDS Dual 2x2 Crosspoint/Repeater Switch

PS8486A

03/27/01

Figure 6. Enable and Disable Timing Circuit

A

B

RD

Y

Z

DE

1.2 V

RL/2

(see Note A)

RL/2

(see Note A)

2 V

1.4 V

0.8 V

1.2 V

1.15 V

≈1 V

≈1.4 V

1.25 V

1.2 V

tPZH

tPHZ

tPZL

tPLZ

DE

1.2 V

1 V or 1.4 V

VOY or VOZ

VOY or VOZ

Notes:

A. RL = 100Ω or 50Ω ±1%

B. All input pulses are supplied by a generator having the following characteristics: pulse repetition rate (PRR) = 0.5 Mpps,

pulse width = 500

±10ns.