MAX4928B Просмотр технического описания (PDF) - Maxim Integrated

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производитель

MAX4928B

DisplayPort/PCIe Passive Switches

Maxim Integrated 

DisplayPort/PCIe Passive Switches

Test Circuits/Timing Diagrams

MAX4928A/MAX4928B

+3.3V

VN_

LOGIC

INPUT

SEL

D_ OR TX_,

HPD_ OR

RX1_, AUX_

OR RX0_

SEL

GND

VDD

IN_, X_,

OR OUT_

RL

LE

LOGIC

INPUT

LE

VOUT

CL

CL INCLUDES FIXTURE AND STRAY CAPACITANCE.

( ) VOUT = VN_

RL

RL + RON

VN_ = VD_ OR VTX_, VHPD_ OR VRX1_, VAUX_, OR VRX0_

LOGIC

INPUT

LE

LOGIC VIH

INPUT

SEL VIL

SWITCH

OUTPUT

TX_, RX1_,

0V

OR RX0_

SWITCH

OUTPUT

D_, HPD_,

0V

OR AUX

tr < 5ns

tf < 5ns

50%

VOUT 0.9 x VOUT

tON_SEL

tOFF_SEL

0.9 x VOUT

tOFF_SEL

0.9 x VOUT

0.9 x VOUT

tON_SEL

LOGIC VIH

INPUT

LE VIL

LOGIC VIH

INPUT

SEL VIL

Figure 1. Switching Time

tW

50%

tSU

50%

50%

tHOLD

50%

6 _______________________________________________________________________________________

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