CDCE906
www.ti.com
SCAS814–NOVEMBER 2005
PROGRAMMABLE 3-PLL CLOCK SYNTHESIZER / MULTIPLIER / DIVIDER
FEATURES
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Programmable Down Spread SSC Modulation
(1%, 1.5%, 2%, and 3%)
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High Performance 2:6 PLL based Clock
Synthesizer / Multiplier / Divider
Programmable Output Slew-Rate Control
(SRC) for Lowering System EMI
User Programmable PLL Frequencies using
EEPROM Technology
Separate Power Supplies for Outputs (2.3 V to
3.6 V) Supports Mixed Power Supply
Environments
EEPROM Programming Without the Need to
Apply High Programming Voltage
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3.3-V Device Power Supply
Easy In-Circuit Programming via SMBus Data
Interface
Industrial Temperature Range 0°C to 70°C
Wide PLL Divider Ratio Allows 0-ppm Output
Clock Error
Development and Programming Kit for Ease
PLL Design and Programming (TI
Pro-Clock™)
Generates Precise Video (27 or 54 MHz) and
Audio System Clocks from Multiple Sampling
Frequencies (fS = 16, 22.05, 24, 32, 44.1, 48, 96
kHz)
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Packaged in 20-Pin TSSOP
TERMINAL ASSIGNMENT
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Clock Inputs Accept a Crystal or a
Single-Ended LVCMOS or a Differential Input
Signal
PW PACKAGE
(TOP VIEW)
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
S0/A0/CLK_SEL
S1/A1
Y5
Y4
V
CCOUT2
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Accepts Crystal Frequencies from 8 MHz up
to 54 MHz
V
CC
Accepts LVCMOS or Differential Input
Frequencies up to 167 MHz
GND
CLK_IN0
CLK_IN1
GND
Y3
Y2
V
TSSOP 20
Pitch 0,65 mm
6.6 x 6.6
Two Programmable Control Inputs [S0/S1,
A0/A1] for User Defined Control Signals
V
CC
CCOUT1
GND
SDATA
SCLOCK
GND
Y1
Y0
Six LVCMOS Outputs with Output
Frequencies up to 167 MHz
LVCMOS Outputs can be Programmed for
Complementary Signals (Pseudo Differential
Outputs)
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Free Selectable Output Frequency via
Programmable Output Switching Matrix [6x6]
Including 7-Bit Post-Divider for Each Output
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PLL Loop Filter Components Integrated
Low Period Jitter (Typ 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
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.
PRODUCT PREVIEW information concerns products in the
formative or design phase of development. Characteristic data and
other specifications are design goals. Texas Instruments reserves
the right to change or discontinue these products without notice.
Copyright © 2005, Texas Instruments Incorporated