MAX4928B Maxim, MAX4928B Datasheet - Page 11

• Manufacturer Part Number: MAX4928B
• Description: The MAX4928A/MAX4928B high-speed passive switches route PCI Express® (PCIe) data and/or DisplayPort™ signals between two possible destinations in desktop or laptop PCs
• Manufacturer: Maxim

CONTROLLER HUB
GRAPHICS AND
V
MEMORY
SUPPLY VOLTAGE V
CC
CHANNEL SELECT
= 1V
PCIe BUFF 2
PCIe BUFF 3
PCIe BUFF 4
PCIe BUFF 1
PCIe IN
______________________________________________________________________________________
AUX
CC
= 1V
DisplayPort/PCIe Passive Switches
IN0+
IN0-
IN1+
IN1-
IN2+
IN2-
IN3+
IN3-
X+
X-
OUT+
OUT-
SEL
LE
MAX4928A
MAX4928B
V
GND
DD
HPD2
AUX+
HPD1
RX1+
AUX-
TX0+
TX1+
TX2+
TX3+
RX0+
TX0-
TX3-
RX1-
RX0-
TX1-
TX2-
D0+
D1+
D2+
D3+
D0-
D1-
D2-
D3-
PCIe GRAPHICS CONNECTOR
Typical Operating Circuit
1.5kΩ
100kΩ
V
CC
HPD
AUX
AUX
D0
D1
D2
D3
D4
D5
D6
D7
DP CONNECTOR
11