DS21610 3.3V/5V Clock Rate Adapter

2 of 15

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

5.1

16-PIN SO (300 MILS) (56-G4009-001) .......................................................................................................13

5.2

28-PIN PLCC (56-G4001-001)....................................................................................................................14

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