CDCE949-Q1 Datasheet, PDF (1/32 Pages) Texas Instruments – PROGRAMMABLE 4-PLL VCXO CLOCK SYNTHESIZER WITH 1.8-V, 2.5-,V and 3.3-V LVCMOS OUTPUTS

CDCE949-Q1
www.ti.com
SCAS891 – FEBRUARY 2010
PROGRAMMABLE 4-PLL VCXO CLOCK SYNTHESIZER
WITH 1.8-V, 2.5-,V and 3.3-V LVCMOS OUTPUTS
Check for Samples: CDCE949-Q1
FEATURES
1
• Qualified for Automotive Applications
• Member of Programmable Clock Generator
Family
– CDCE913/CDCEL913: 1 PLLs, 3 Outputs
– CDCE925/CDCEL925: 2 PLLs, 5 Outputs
– CDCE937/CDCEL937: 3 PLLs, 7 Outputs
– CDCE949: 4 PLLs, 9 Outputs
• In-System Programmability and EEPROM
– Serial Programmable Volatile Register
– Non-Volatile EEPROM to Store Customer
Settings
• Highly Flexible Clock Driver
– Three User-Definable Control Inputs
[S0/S1/S2]; e.g,. SSC-Selection, Frequency
Switching, Output Enable or Power Down
– Generates Highly-Accurate Clocks for
Video, Audio, USB, IEEE1394, RFID,
Generates Common Clock Frequencies
Used with TI DaVinci™, OMAP™, DSPs
– BlueTooth™, WLAN, Ethernet and GPS
– Programmable SSC Modulation
– Enables 0-PPM Clock Generation
• Selectable Output Frequency up to 230 MHz
• Flexible Input Clocking Concept
– External Crystal: 8 to 32 MHz
– On-Chip VCXO: Pull-Range ±150 ppm
– Single-Ended LVCMOS up to 160 MHz
• Low-Noise PLL Core
– Integrated PLL Loop Filter Components
– Very Low Period Jitter (typ 60 ps)
• Separate Output Supply Pins
– 3.3 V and 2.5 V
• 1.8 V Device Power Supply
• Latch-Up Performace Meets 100 mA
Per JESD 78, Class I
• Wide Temperature Range –40°C to 125°C
• Packaged in TSSOP
• Development and Programming Kit for Ease
PLL Design and Programming (TI-Pro Clock)
APPLICATIONS
• D-TV, HD-TV, STB, IP-STB, DVD-Player,
DVD-Recorder, Printer
• General Purpose Frequency Synthesizing
V_DD
Vctr
VCXO
XO
LVCMOS
S2/S1/S0 or
SDA/SCL
EEPROM
3 _Programming
and
Control Register
GND
PLL1
with SSC
PLL2
with SSC
PLL3
with SSC
Divider
and
Output
Control
V_DDOUT
LV
CMOS
LV
CMOS
LV
CMOS
LV
CMOS
LV
CMOS
LV
CMOS
LV
CMOS
Y1
Y2
Y3 Xin/Clk 1
S0 2
Vdd 3
Y4
Vctr 4
GND 5
Vddout 6
Y5
Y4 7
Y5 8
Y6
GND 9
Vddout 10
Y8 11
Y7
Y9 12
24 Xout
23 S1/SDA
22 S2/SCL
21 Y1
20 GND
19 Y2
18 Y3
17 Vddout
16 Y6
15 Y7
14 GND
13 Vdd
PLL4
with SSC
LV
CMOS
Y8
LV
CMOS
Y9
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.
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.
Copyright © 2010, Texas Instruments Incorporated