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SCAS849E – JUNE 2007 – REVISED MARCH 2010
Programmable 1-PLL VCXO Clock Synthesizer With 1.8-V, 2.5-V, and 3.3-V Outputs
Check for Samples:
1
FEATURES
•
• Member of Programmable Clock Generator
Family
–
CDCE913/CDCEL913: 1-PLL, 3 Outputs
– CDCE925/CDCEL925: 2-PLL, 5 Outputs
– CDCE937/CDCEL937: 3-PLL, 7 Outputs
– CDCE949/CDCEL949: 4-PLL, 9 Outputs
• In-System Programmability and EEPROM
– Serial Programmable Volatile Register
– Nonvolatile EEPROM to Store Customer
Setting
• Flexible Input Clocking Concept
– External Crystal: 8 MHz to 32 MHz
– On-Chip VCXO: Pull Range ±150 ppm
– Single-Ended LVCMOS up to 160 MHz
• Free Selectable Output Frequency up to
230 MHz
• Low-Noise PLL Core
– PLL Loop Filter Components Integrated
– Low Period Jitter (Typical 50 ps)
• Separate Output Supply Pins
– CDCE913: 3.3 V and 2.5 V
2345
•
•
•
•
– CDCEL913: 1.8 V
Flexible Clock Driver
– Three User-Definable Control Inputs
[S0/S1/S2], for example., SSC Selection,
Frequency Switching, Output Enable, or
Power Down
– Generates Highly Accurate Clocks for
Video, Audio, USB, IEEE1394, RFID,
Bluetooth™, WLAN, Ethernet™, and GPS
– Generates Common Clock Frequencies
Used With TI- DaVinci™, OMAP™, DSPs
– Programmable SSC Modulation
– Enables 0-PPM Clock Generation
1.8-V Device Power Supply
Wide Temperature Range –40° C to 85° C
Packaged in TSSOP
Development and Programming Kit for Easy
PLL Design and Programming (TI Pro-Clock™)
APPLICATIONS
•
D-TV, STB, IP-STB, DVD-Player, DVD-Recorder,
Printer
V
DD
V
ctr
GND
V
DDOUT
LV
CMOS
Crystal or
Clock Input
VCXO
XO
LVCMOS
3
EEPROM
Programming
and
Control Register
PLL
with SSC
Y1
Divider
and
Output
Control
LV
CMOS
Y2
S2/S1/S0 or
SDA/SCL
LV
CMOS
Y3
Xin/CLK
S0
V
DD
V
ctr
GND
V
DDOUT
V
DDOUT
1
2
3
4
5
6
7
14
13
12
11
10
9
8
Xout
S1/SDA
S2/SCL
Y1
GND
Y2
Y3
1
2
3
4
5
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.
DaVinci, OMAP, Pro-Clock are trademarks of Texas Instruments.
Bluetooth is a trademark of Bluetooth SIG.
I
2
C is a trademark of Philips Electronics.
Ethernet is a trademark of Xerox Corporattion.
Copyright © 2007–2010, Texas Instruments Incorporated
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
TI [ TEXAS INSTRUMENTS ]
