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參數(shù)資料
型號(hào)： XRT75R12IB-L
廠商： Exar Corporation
文件頁數(shù)： 7/90頁
文件大?。?/td> 0K
描述： IC LIU E3/DS3/STS-1 12CH 420TBGA
標(biāo)準(zhǔn)包裝： 40
類型： 線路接口裝置（LIU）
驅(qū)動(dòng)器/接收器數(shù)： 12/12
規(guī)程： DS3，E3，STS-1
電源電壓： 3.135 V ~ 3.465 V
安裝類型： 表面貼裝
封裝/外殼： 420-LBGA 裸露焊盤
供應(yīng)商設(shè)備封裝： 420-TBGA（35x35）
包裝： 托盤
XRT75R12
12
REV. 1.0.4
TWELVE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR
POWER SUPPLY PINS
PIN NAME
PIN NUMBERS
DESCRIPTION
RVDD0
RVDD1
RVDD2
RVDD3
RVDD4
RVDD5
RVDD6
RVDD7
RVDD8
RVDD9
RVDD10
RVDD11
D22
AC22
D18
AC18
E15
AB15
E12
AB12
A9
AF9
D5
AC5
Receive Analog Power Supply (3.3V ±5%)
RVDD should not be shared with other power supplies. It is recommended
that RVDD be isolated from the digital power supply DVDD and the analog
power supply TVDD. For best results, use an internal power plane for isola-
tion. 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
F capacitor.
TVDD0
TVDD1
TVDD2
TVDD3
TVDD4
TVDD5
TVDD6
TVDD7
TVDD8
TVDD9
TVDD10
TVDD11
B23
AE23
B19
AE19
B15
AE15
B10
AE10
A6
AF6
B4
AE4
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 inter-
nal power plane for isolation. If an internal power plane is not available, a fer-
rite bead can be used. Each power supply pin should be bypassed to ground
through an external 0.1
F capacitor.
AVDD
M25, T25, AB21, AB18,
AF13, AF12, AB9, AB6, R4,
K1, E6, E9, A12, A13, E18,
E21,
Analog Power Supply (3.3V ±5%)
AVDD 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
F capacitor.
DVDD
D26, F25, H25, P25, W26,
V24, Y22, AF21, AF20, AF17,
AF16, AD14, AD12, AF11,
AF8, AF7, AF24, AD6, AF3,
Y5, V3, W1, P5, P2, H2, F2,
D1, C6, A7, A3, A8, A11, C12,
C14, A16, A17, A20, A21,
A24
Digital Power Supply (3.3V ±5%)
DVDD should be isolated from the analog 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. Every two DVDD power supply pins
should be bypassed to ground through at least one 0.1
F capacitor.
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