Datasheet 搜索 > 开发套件 > TI（德州仪器） > CDCE949PERF-EVM 数据手册 > CDCE949PERF-EVM 用户编程技术手册 1/33 页
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CDCE949PERF-EVM 用户编程技术手册 - TI（德州仪器）
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TI（德州仪器）
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开发套件
描述:
TEXAS INSTRUMENTS CDCE949PERF-EVM 评估电路板, CDCE949 锁相环时钟合成器
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CDCE949PERF-EVM数据手册
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Y4
Y5
Crystal or
Clock Input
V
DD
GND
Vctr
V
DDOUT
S2/S1/S0or
SDA/SCL
Y1
VCXO
XO
LVCMOS
3
Y2
Y3
LV
CMOS
LV
CMOS
PLL1
withSSC
LV
CMOS
LV
CMOS
LV
CMOS
PLL2
withSSC
Y6
Y7
LV
CMOS
LV
CMOS
PLL3
withSSC
Y8
Y9
LV
CMOS
LV
CMOS
PLL4
withSSC
Xin/Clk 1 24 Xout
S0 2 23 S1/SDA
Vdd 3 22 S2/SCL
Vctr 4 21 Y1
GND 5 20 GND
Vddout 6 19 Y2
Y4 7 18 Y3
Y5 8 17 Vddout
GND 9 16 Y6
Vddout 10 15 Y7
Y8 11 14 GND
Y9 12 13 Vdd
Divider
and
Output
Control
EEPROM
Programming
and
ControlRegister
CDCE949
CDCEL949
www.ti.com
SCAS844D –AUGUST 2007–REVISED MARCH 2010
Programmable 4-PLL VCXO Clock Synthesizer with 1.8V, 2.5V and 3.3V LVCMOS Outputs
Check for Samples: CDCE949, CDCEL949
1
FEATURES
• Flexible Input Clocking Concept
234
• Member of Programmable Clock Generator
– External Crystal: 8 to 32 MHz
Family
– On-Chip VCXO: Pull-Range ±150 ppm
– CDCE913/CDCEL913: 1 PLLs, 3 Outputs
– Single-Ended LVCMOS up to 160 MHz
– CDCE925/CDCEL925: 2 PLLs, 5 Outputs
• Low-Noise PLL Core
– CDCE937/CDCEL937: 3 PLLs, 7 Outputs
– Integrated PLL Loop Filter Components
– CDCE949/CDCEL949: 4 PLLs, 9 Outputs
– Very Low Period Jitter (typ 60 ps)
• In-System Programmability and EEPROM
• Separate Output Supply Pins
– Serial Programmable Volatile Register
– CDCE949: 3.3 V and 2.5 V
– Non-Volatile EEPROM to Store Customer
– CDCEL949: 1.8 V
Settings
• 1.8 V Device Power Supply
• Highly Flexible Clock Driver
• Wide Temperature Range –40° C to 85° C
– Three User-Definable Control Inputs
• Packaged in TSSOP
[S0/S1/S2] e.g. SSC-Selection, Frequency
• Development and Programming Kit for Ease
Switching, Output Enable or Power Down
PLL Design and Programming (TI-Pro Clock)
– Generates Highly-Accurate Clocks for
Video, Audio, USB, IEEE1394, RFID,
APPLICATIONS
Generates Common Clock Frequencies
• D-TV, HD-TV, STB, IP-STB, DVD-Player,
Used with TI DaVinci™, OMAP™, DSPs
DVD-Recorder, Printer
– BlueTooth™, WLAN, Ethernet and GPS
• General Purpose Frequency Synthesizing
– Programmable SSC Modulation
– Enables 0-PPM Clock Generation
• Selectable Output Frequency up to 230 MHz
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
2DaVinci, OMAP, Pro Clock are trademarks of Texas Instruments.
3BlueTooth is a trademark of Bluetooth SIG, Inc.
4I
2
C is a trademark of Philips Electronics.
PRODUCTION DATA information is current as of publication date.
Copyright © 2007–2010, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
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