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HYB25D128323C Datasheet, PDF (38/53 Pages) Infineon Technologies AG – 128 Mbit DDR SGRAM
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HYB25D128323C[-3/-3.3/-3.6/-4.5/-5.0/L3.6/L4.5]
128 Mbit DDR SGRAM [4M x 32]
Register Set
Table 11 Function Truth Table I (cont’d)
Current State Command
Address
WRITE with DESEL
X
Autoprecharge NOP
X
BST
X
READ / READA BA, CA, A8
WRITE / WRITEA BA, CA, A8
ACT
BA, RA
PRE / PREAL
BA ,A8
AREF / SREF
X
MRS / EMRS
OP-Code
ROW
DESEL
X
ACTIVATING NOP
X
BST
X
READ / READA BA, CA, A8
WRITE / WRITEA BA, CA, A8
ACT
BA, RA
PRE / PREAL
BA ,A8
AREF / SREF
X
MRS / EMRS
OP-Code
PRECHARGE DESEL
X
NOP
X
BST
X
READ / READA BA, CA, A8
WRITE / WRITEA BA, CA, A8
ACT
BA, RA
PRE / PREAL
BA ,A8
AREF / SREF
X
MRS / EMRS
OP-Code
WRITE
DESEL
X
RECOVERING NOP
X
BST
X
READ / READA BA, CA, A8
WRITE / WRITEA BA, CA, A8
ACT
BA, RA
PRE / PREAL
BA ,A8
AREF / SREF
X
MRS / EMRS
OP-Code
Action
Notes
Continue burst to end, Precharge
Continue burst to end, Precharge
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
1)1)
ILLEGAL
1)1)
ILLEGAL
ILLEGAL
NOP ( Row Active after tRCD)
NOP ( Row Active after tRCD)
NOP ( Row Active after tRCD)
ILLEGAL
1), 9)1), 9)
ILLEGAL
1), 9)1), 9)
ILLEGAL
1), 5)1), 5)
ILLEGAL
1), 6)1), 6)
ILLEGAL
ILLEGAL
NOP ( Row Idle after tRP)
NOP ( Row Idle after tRP)
NOP ( Row Idle after tRP)
ILLEGAL
1)1)
ILLEGAL
1)1)
ILLEGAL
1)1)
NOP ( Row Idle after tRP)
1)1)
ILLEGAL
ILLEGAL
NOP (Row Active after tWR)
NOP (Row Active after tWR)
NOP (Row Active after tWR)
Begin Read, Determine Auto-Prechgarge 2)2)
Begin Write, Determine Auto-Prechgarge
ILLEGAL
2)2)
ILLEGAL
1),10)
ILLEGAL
ILLEGAL
Data Sheet
38
V1.7, 2003-07
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