CDC906
www.ti.com
SCAS828–SEPTEMBER 2006
PROGRAMMABLE 3-PLL CLOCK SYNTHESIZER / MULTIPLIER / DIVIDER
FEATURES
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3.3-V Device Power Supply
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High Performance 2:6 PLL based Clock
Commercial Temperature Range 0°C to 70°C
Synthesizer / Multiplier / Divider
Development and Programming Kit for Easy
PLL Design and Programming
(TI Pro-Clock™)
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User Programmable PLL Frequencies
Easy In-Circuit Programming via SMBus Data
Interface
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Packaged in 20-Pin TSSOP
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Wide PLL Divider Ratio Allows 0-PPM Output
Clock Error
Factory Programmable for Customized
Default Settings are Available. Contact TI
Sales Fordes for Further Details.
Generates Precise Video (27 MHz or 54 MHz)
and Audio System Clocks from Multiple
Sampling Frequencies (fS = 16, 22.05, 24, 32,
44.1, 48, 96 kHz)
APPLICATIONS
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Digital TV
Printer / Scanner
Set Top Box
Video / Audio
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Clock Inputs Accept a Crystal or a
Single-Ended LVCMOS or a Differential Input
Signal
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Accepts Crystal Frequencies from 8 MHz up
to 54 MHz
TERMINAL ASSIGNMENT
Accepts LVCMOS or Differential Input
Frequencies up to 167 MHz
PW PACKAGE
(TOP VIEW)
Two Programmable Control Inputs [S0/S1] for
User Defined Control Signals
1
20
19
18
17
16
15
14
13
12
11
S0/CLK_SEL
Y5
2
S1
VCC
Y4
Six LVCMOS Outputs with Output
Frequencies up to 167 MHz
3
VCCOUT2
GND
Y3
4
GND
CLK_IN0
CLK_IN1
VCC
TSSOP 20
Pitch 0,65 mm
6.6 x 6.6
5
LVCMOS Outputs can be Programmed for
Complementary Signals
6
Y2
7
VCCOUT1
GND
Y1
Free Selectable Output Frequency via
Programmable Output Switching Matrix [6x6]
Including 7-Bit Post-Divider for Each Output
8
GND
9
SDATA
SCLOCK
10
Y0
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PLL Loop Filter Components Integrated
Low Period Jitter (Typical 60 ps)
Features Spread Spectrum Clocking (SSC)
for Lowering System EMI
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Programmable Center Spread SSC
Modulation (±0.1%, ±0.25%, and ±0.4%) with a
Mean Phase Equal to the Phase of the
Non-Modulated Frequency
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Programmable Down Spread SSC Modulation
(1%, 1.5%, 2%, and 3%)
Programmable Output Slew-Rate Control
(SRC) for Lowering System EMI
Separate Power Supplies for Outputs
(2.3 V to 3.6 V) Supports Mixed Power
Supply Environments
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.
Pro-Clock is a trademark of Texas Instruments.
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 © 2006, Texas Instruments Incorporated