© 1999−2001 GRAYCHIP,INC.

- iv -

APRIL 27, 2001

GC4116 MULTI-STANDARD QUAD DUC CHIP

DATA SHEET REV 1.0

This document contains preliminary information which may be changed at any time without notice

LIST OF FIGURES

Figure 1:

GC4116 Block Diagram ........................................................................................................................................................ 1

Figure 2:

Normal Control I/O Timing .................................................................................................................................................... 3

Figure 3:

Edge Write Control Timing .................................................................................................................................................... 3

Figure 4:

Serial Input Formats .............................................................................................................................................................. 4

Figure 5:

The Up-converter Channel ................................................................................................................................................... 5

Figure 6:

Typical PFIR Specifications .................................................................................................................................................. 6

Figure 7:

Five Stage CIC Interpolate by N Filter .................................................................................................................................. 7

Figure 8:

NCO Circuit ........................................................................................................................................................................... 8

Figure 9:

Example NCO Spurs ............................................................................................................................................................. 8

Figure 10:

NCO Peak Spur Plot ............................................................................................................................................................. 8

Figure 11:

Overall Filter Response ........................................................................................................................................................ 9

Figure 12:

Resampler Channel Block Diagram .................................................................................................................................... 11

Figure 13:

The Resampler’s Spectral Response ................................................................................................................................. 12

Figure 14:

Resampler Serial Output ..................................................................................................................................................... 14

Figure 15:

160 Pin Plastic Ball Grid Array (PBGA) Package ............................................................................................................... 19

Figure 16:

Reference Design Without the Resampler .......................................................................................................................... 47

Figure 17:

Reference Design Using the Resampler ............................................................................................................................. 48

LIST OF TABLES

Table 1:

Sync Modes ........................................................................................................................................................................ 16

Table 2:

Sync Descriptions ............................................................................................................................................................... 16

Table 3:

Mask Revisions ................................................................................................................................................................... 18

Table 4:

GC4116 Pin Out Locations Top View ................................................................................................................................. 20

Table 5:

GLOBAL CONTROL REGISTERS ..................................................................................................................................... 23

Table 6:

Page Assignments .............................................................................................................................................................. 29

Table 7:

IO Control Page Registers (Page 5) .................................................................................................................................... 34

Table 8:

Resampler Control Registers .............................................................................................................................................. 38

Table 9:

Resampler Ratio Page ........................................................................................................................................................ 40

Table 10:

PFIR Coefficient Pages........................................................................................................................................................ 41

Table 11:

Resampler Coefficient Pages (Single filter mode) .............................................................................................................. 42

Table 12:

Absolute Maximum Ratings ................................................................................................................................................ 43

Table 13:

Recommended Operating Conditions ................................................................................................................................. 43

Table 14:

Thermal Data ...................................................................................................................................................................... 43

Table 15:

DC Operating Conditions .................................................................................................................................................... 44

Table 16:

AC Characteristics ............................................................................................................................................................... 45