3

Hard Disk

A

A

Connection to PBC Cells

1

0

CDR Position (x)

xA

Ax

Cell Connected to Cable

0

1

Figure 3: HDMP-0421 Package Layout and Marking, Top View.

TO_LOOP

TO_NODE[1]

BYPASS[1]–

FM_LOOP

FM_LOOP

0

FM_NODE[1]

FM_LOOP

1

Table 1a. Truth Table for CDR at Entry Configurations

FM_LOOP = FM_NODE[0], TO_LOOP = TO_NODE[0], BYPASS[0]– = 1

TO_LOOP

TO_NODE[0]

BYPASS[0]–

FM_LOOP

FM_LOOP

0

FM_NODE[0]

FM_LOOP

1

Table 1b. Truth Table for CDR at Exit Configurations

FM_LOOP = FM_NODE[1], TO_LOOP = TO_NODE[1], BYPASS[1]– = 1

Table 2. Pin Connection Diagram to Achieve Desired

CDR Location (see Figures 4 and 5)

X Denotes CDR Position with respect to Hard Disks

FM_NODE[1]–

FM_NODE[1]+

VCCHS

TO_NODE[1]–

TO_NODE[1]+

GND

GND

BYPASS[1]–

VCC

SD[1]

GND

CPLL1

FM_NODE[0]–

FM_NODE[0]+

VCCHS

TO_NODE[0]–

TO_NODE[0]+

GND

GND

BYPASS[0]–

VCCA

SD[0]

REFCLK

CPLL0

24

23

22

21

20

19

18

17

15

16

14

13

1

2

3

4

5

6

7

8

10

9

11

12

HDMP-0421

R x.YY

nnnn-nnn

S YYWW

COUNTRY

nnnn.nnn = WAFER LOT - BUILD NUMBER (1-3 DIGITS)

Rx.yy = DIE REVISION

S = SUPPLIER CODE

YYWW = DATE CODE (YY = YEAR, WW = WORK WEEK)

COUNTRY = COUNTRY OF MANUFACTURE