HY5FS123235AFCP Datasheet, PDF (22/74 Pages) Hynix Semiconductor – 512M (16Mx32) GDDR4 SDRAM

HY5FS123235AFCP
Figure 11: READ Command
T0
CK#
CK
COMMAND READ
ADDRESS
Bank a,
Col n
T1
NOP
Col n
CL = 14
RDQS
RPRE = 1
DQ
DM
DQ ODT ODT Enabled
RDQS ODT ODT Enabled
Snoop ODT ODT Enabled
T13
T14 T14n T15 T15n T16 T16n T17 T17n T18
T19
NOP
NOP
NOP
NOP
NOP
NOP
NOP
tRPRE
tRPST
DOn
DBI
DQ ODT Disabled
RDQS ODT Disabled
DQ RDQS ODT Disabled
DO
n+7
DBI
n+7
ODT Enabled
ODT
Enabled
ODT
Enabled
T0
CK#
CK
COMMAND READ
ADDRESS
Bank a,
Col n
T1
NOP
Col n
RDQS
RPRE = 2
DQ
DM
DQ ODT ODT Enabled
RDQS ODT ODT Enabled
Snoop ODT ODT Enabled
T13
T14 T14n T15 T15n T16 T16n T17 T17n T18
T19
T20
NOP
NOP
NOP
NOP
NOP
NOP
NOP
NOP
CL = 15
tRPRE
tRPST
DOn
DBI
DQ ODT Disabled
RDQS ODT Disabled
DQ RDQS ODT Disabled
DO
n+7
DBI
n+7
ODT Enabled
ODT
Enabled
ODT
Enabled
DONsT CARE
TRANSITIONING DATA
Note:
2 case is shown for an example. Actual supported RPRE numbers will be found in EMRS standard.
Rev. 1.2 /June. 2008
22