HY5DU56422D(L)F

HY5DU56822D(L)F

HY5DU561622D(L)F

This document is a general product description and is subject t o change without notice. Hynix Semiconductor do es not assume any

responsibility for use of circuits described. No patent licenses are implied.

Rev. 1.2 /Apr. 2006 1

256Mb DDR SDRAM

HY5DU56422D(L)F

HY5DU56822D(L)F

HY5DU561622D(L)F

Rev. 1.2 /Apr. 2006 2

1HY5DU56422D(L)F

HY5DU56822D(L)F

HY5DU561622D(L)F

Revision History

Revision No. History Draft Date Remark

1.0

First Version Release - Merged HY5DU564(8,16)22D(L)F and

HY5DU564(8,16)22D(L)F-D into HY5DU564(8,16)22D(L)F.

Oct. 2004

1.1

1. Changed all notes in AC CHARACTERISTICS

2. Added ‘SYSTEM CHARACTERISTICS for DDR SDRAMS’

3. Editorial Changes

Feb. 2005

1.2 State Diagram modified Apr. 2006