K4X56323PG Datasheet, PDF (14/23 Pages) Samsung semiconductor – 8M x32 Mobile-DDR SDRAM

K4X56323PG - 7(8)E/G
Mobile-DDR SDRAM
Parameter
Refresh interval time
Mode register set cycle time
Power down exit time
CKE min. pulse width(high and low pulse width)
Auto refresh cycle time
Exit self refresh to active command
Data hold from DQS to earliest DQ edge
Data hold skew factor
Clock half period
Symbol
DDR266
Min
Max
tREF
64
tMRD
2
tPDEX 1*tCK +tIS
tCKE
2
tRFC
80
tXSR
120
tQH
tHPmin -
tQHS
tQHS
0.75
tHP
tCLmin or
tCHmin
DDR222
Min
Max
64
2
1*tCK +tIS
2
90
120
tHPmin -
tQHS
1.0
tCLmin or
tCHmin
Unit Note
ms
tCK
ns
tCK
ns
7
ns
ns
ns
ns
January 2006