DS21610 3.3V/5V Clock Rate Adapter

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TABLE OF CONTENTS

1.

PIN DESCRIPTION ......................................................................................................................3

1.1

COMPATIBILITY WITH LXP610.........................................................................................................................3

2.

FUNCTIONAL DESCRIPTION......................................................................................................5

3.

OUTPUT JITTER ..........................................................................................................................6

3.1

JITTER TRANSFER ..........................................................................................................................................6

4.

OPERATING PARAMETERS .......................................................................................................8

5.

PACKAGE INFORMATION ........................................................................................................13

6.

REVISION HISTORY..................................................................................................................15

LIST OF FIGURES

Figure 1-1. Block Diagram....................................................................................................................4

Figure 3-1. Nominal Jitter Transfer (1.544MHz CLKIN to 2.048MHz CLKOUT1) ..................................6

Figure 3-2. Nominal Jitter Transfer (2.048MHz CLKIN to 1.544MHz CLKOUT1) ..................................7

Figure 4-1. SYNCIN/CLKIN to CLKOUT1/SYNCOUT and CLKOUT2 ................................................10

Figure 4-2. Output Frame-Sync Alignment When CLKOIT2 = 2 x CLKOUT1 .....................................11

Figure 4-3. Output Frame-Sync Alignment When CLKOUT2 = 3 x CLKOUT1....................................11

Figure 4-4. Output Frame-Sync Alignment When CLKOIT2 = 4 x CLKOUT1 .....................................12

Figure 4-5. Output Frame-Sync Alignment When CLKOUT2 = 5 x CLKOUT1....................................12

LIST OF TABLES

Table 1-A. Pin Description ....................................................................................................................3

Table 1-B. Pin Name Cross-Reference to LXP610...............................................................................3

Table 2-A. Program Pin Functions (SEL = 0)........................................................................................5

Table 2-B. Program Pin Functions (SEL = 1)........................................................................................5

Table 3-A. Output Jitter Specifications, CLKOUT1 = 1.544MHz ...........................................................6

Table 3-B. Output Jitter Specifications, CLKOUT1 = 2.048MHz ...........................................................6