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Maxim > 方案 > 电信交换机(PBX和中心局)

时钟速率适配器

数据资料
显示 标题/型号 关键优势
QV  PDF 低抖动、8kHz参考时钟合成器,输出35.328MHz
MAX9476

可理想用于xDSL CO线卡和电信系统的时钟发生器,具有低抖动时钟输出
QV  PDF 八路T1/E1/J1收发器
DS26528

QV  PDF T1/E1/J1 BITS单元
DS26503

QV  PDF T1/E1/J1/64KCC BITS单元
DS26502

业内唯一的64kHz复合时钟收发器
QV  PDF 四路T1/E1/J1收发器
DS26524

低功耗、低成本SCT,引脚及软件兼容于八通道DS26528,可方便地移植到多端口设备,提供无铅封装
QV  PDF 八路T1/E1/J1成帧器
DS26401

QV  PDF 3.3V、E1/T1/J1四线路接口
DS21448

3.3V E1/T1/J1、4端口线路接口单元,用于短程或长程通信系统
QV  PDF 高性能演示套件母板
DK2000

QV  PDF 低成本演示套件母板
DK101

QV  PDF 四路T1/E1/J1收发器
DS21Q55, DS21Q55N

QV  PDF 3.3V/5V时钟速率适配器
DS21600, DS21602, DS21604

QV  PDF 四路、E1收发器
DS21Q50

四路、E1收发器,包含连接四路E1的全部功能



Key Specifications:  Clock Generators
Part Number Applications fIN
(MHz)
fIN
(MHz)
fOUT
(MHz)
fOUT
(MHz)
Fixed or Continuous Frequency Output Levels Out-
puts
PLLs Spread Spectrum Output Jitter
(ps)
VSUPPLY
(V)
Package/Pins
min max min max RMS
MAX9476 
T1/E1
T3/E3
xDSL
0.008 0.008 35.328 35.328 Fixed LVCMOS 6 1 No 4 3.3
TSSOP/24
See All Clock Generators (27)

Key Specifications:  T/E Carrier & Packetized Products
Part Number Transmission Standard Functions Channels In-to-Out Clocks
(MHz)
VSUPPLY
(V)
EV Kit RoHS Available Package/Pins Smallest Available Pckg.
(mm2)
max w/pins
DS26524  T1/E1/J1 Framer + LIU 4 External Master Clock can be a multiple of 1.544 or 2.048 3.3 Yes Yes
CSBGA/256
289
DS26528  T1/E1/J1 Framer + LIU 8 External Master Clock can be a multiple of 1.544 or 2.048 3.3 Yes Yes
CSBGA/256
289
DS26502 
64kHz - G.703 II.1 Japanese 64kHz Clock
64kHz - G.703 II.2 Japanese 6312kHz Clock
64kHz Composite Clock - G.703 Level A
T1/E1/J1
BITS Element 1
0.064
1.544
2.048
6.312
19.44
3.3 Yes No
LQFP/64
149
DS26503  T1/E1/J1 BITS Element 1
1.544
2.048
6.312
3.3 Yes See Data Sheet
See Data Sheet/
-
DS26401  T1/E1/J1 Framer 8 - 3.3 Yes Yes
CSBGA/256
289
DK2000 
ATM
E1
STS-1
T1/E1/J1
T1/J1
T3/E3
- - -
3.3
5
- Yes
See Data Sheet/
-
DS21448  T1/E1/J1 LIU 4 - 3.3 Yes Yes
LQFP/128
TEPBGA/144
289
DS21Q50  E1 Framer + LIU 4 - 3.3 - Yes
LQFP/100
262
DS21600  T1/E1/J1 Clock Rate Adapter 1
1.544 to 2.048 & 6.144
2.048 to 1.544 & 6.176
3.3
5
- Yes
PDIP(N)/8
80
DS21602  T1/E1/J1 Clock Rate Adapter 1
1.544 to 2.048 & 8.192
2.048 to 1.544 & 6.176
3.3
5
- Yes
PDIP(N)/8
80
DS21604  T1/E1/J1 Clock Rate Adapter 1
1.544 to 4.096 & 8.192
4.096 to 1.544 & 6.176
3.3
5
- No
PDIP(N)/8
80
See All T/E Carrier & Packetized Products (102)



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