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HYB25D128323C Datasheet, PDF (37/53 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
ROW ACTIVE 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
READ
DESEL
X
NOP
X
BST
X
READ / READA BA, CA, A8
WRITE / WRITEA
ACT
PRE / PREAL
AREF / SREF
MRS / EMRS
READ with
DESEL
Auto Precharge NOP
BST
READ / READA
WRITE / WRITEA
ACT
PRE / PREAL
AREF / SREF
MRS / EMRS
WRITE
DESEL
NOP
BST
READ / READA
BA, CA, A8
BA, RA
BA ,A8
X
Op-Code
X
X
BA
BA, CA, A8
BA, CA, A8
BA, RA
BA ,A8
X
Op-Code
X
X
X
BA, CA, A8
WRITE / WRITEA BA, CA, A8
ACT
PRE / PREAL
AREF / SREF
MRS / EMRS
BA, RA
BA ,A8
X
OP-Code
Action
NOP
NOP
NOP
Begin Read, Determine Auto Precharge
Begin Write, Determine Auto Precharge
ILLEGAL
Precharge / Precharge All
ILLEGAL
ILLEGAL
Continue burst to end
Continue burst to end
Terminate Burst
Terminate burst, Begin New Read,
Determine Auto-Prechgarge
ILLEGAL
ILLEGAL
Terminate Burst / Precharge
ILLEGAL
ILLEGAL
Continue burst to end, Precharge
Continue burst to end, Precharge
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
Continue burst to end
Continue burst to end
ILLEGAL
Terminate Burst, Begin Read, Determine
Auto-Precharge.
Terminate Burst, Begin new Write,
Determine Auto-Precharge
ILLEGAL
Terminate Burst , Precharge
ILLEGAL
ILLEGAL
Notes
9)6)9)
9)9)
1), 5)1), 5)
6)7)6)
7)8)7)
2), 7)9)2), 7)
1)1)
1)1)
1)1)
7), 8)7), 8)
2), 7)2), 7)
1)1)
8)8)
Data Sheet
37
V1.7, 2003-07
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