XRT83SL216 datasheet(14/41 Pages) EXAR

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XRT83SL216

PRELIMINARY

16-CHANNEL E1 SHORT-HAUL LINE INTERFACE UNIT

REV. P1.0.3

POWER AND GROUND

NAME

TYPE

DESCRIPTION

TVDD15

TVDD14

TVDD13

TVDD12

TVDD11

TVDD10

TVDD9

TVDD8

TVDD7

TVDD6

TVDD5

TVDD4

TVDD3

TVDD2

TVDD1

TVDD0

C16

E16

G16

J16

L16

N16

R16

P14

PWR

Transmit Analog Power Supply (3.3V ±5%)

TVDD can be shared with DVDD. However, it is recommended that TVDD be

isolated from the analog power supply RVDD. For best results, use an internal

power plane for isolation. If an internal power plane is not available, a ferrite

bead can be used. Each power supply pin should be bypassed to ground

through an external 0.1

µF capacitor and a 10µF capacitor.

RefVDD

AVDD_pll

K12

PWR

Analog Power Supply (3.3V ±5%)

Thes analog supply pins should not be shared with other power supplies. It is

recommended that they be isolated from the digital power supply, DVDD. For

best results, use an internal power plane for isolation. If an internal power

plane is not available, a ferrite bead can be used. Each power supply pin

should be bypassed to ground through an external 0.1

µF capacitor.

DVDD

A17

H12

PWR

Digital Power Supply (3.3V ±5%)

DVDD should be isolated from the analog power supplies except for TVDD.

For best results, use an internal power plane for isolation. If an internal power

plane is not available, a ferrite bead can be used. Every two DVDD power sup-

ply pins should be bypassed to ground through at least one 0.1

µF capacitor.

RVDD_1

RVDD_2

F12

M12

PWR

Receive Power Supply (3.3V ±5%)

RVDD should be isolated from the digital power supplies. For best results, use

an internal power plane for isolation. If an internal power plane is not available,

a ferrite bead can be used. Each power supply pin should be bypassed to

ground through at least one 0.1

µF capacitor and a 10µF capacitor.

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