6.0 Specification Changes

Specification Update

December 2008

24

minimum timing for TVA4 should be 1650 ps. The tables will be replaced as below.

Product Line of Network Processors Hardware Design Guidelines.

Table: DDRII-400MHz Interface - Signal Timings

Symbol

Parameter

Min.

Nominal

Max.

Units

Notes

DQ, CB, and DM read input valid time before DQS rising or

falling edges

-480 ps

ps

2

DQ, CB, and DM read input valid time after DQS rising or

falling edges

1650 ps

ps

2