參數(shù)資料
型號(hào)： XRT75R12
廠(chǎng)商： Exar Corporation
英文描述： TWELVE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR
中文描述： 第十二章通道E3/DS3/STS-1線(xiàn)路接口單元與抖動(dòng)衰減器
文件頁(yè)數(shù)： 15/89頁(yè)
文件大?。?/td> 457K
代理商： XRT75R12
PRELIMINARY
XRT75R12
REV. P1.0.2
TWELVE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR
12
POWER SUPPLY PINS
P
IN
N
AME
P
IN
N
UMBERS
D
ESCRIPTION
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 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
μ
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 iso-
lated 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
μ
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
μ
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
μ
F capacitor.
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XRT75R12_0710 制造商:EXAR 制造商全稱(chēng):EXAR 功能描述:TWELVE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER
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XRT75R12D_06 制造商:EXAR 制造商全稱(chēng):EXAR 功能描述:TWELVE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET
XRT75R12D_07 制造商:EXAR 制造商全稱(chēng):EXAR 功能描述:TWELVE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET
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