1GB-AUTO-AS4C128M8D3 Datasheet, PDF (61/84 Pages) Alliance Semiconductor Corporation – Fully synchronous operation

1Gb Auto-AS4C128M8D3
Timing Waveforms
Figure 25. MPR Readout of predefined pattern,BL8 fixed burst order, single readout
CK#
CK
COMMAND
BA
T0
Ta
Tb0
Tb1
PREA
tRP
MRS
tMOD
3
READ
Notes 1
VALID
NOP
Tc0
Tc1
NOP
NOP
Tc2
Tc3
NOP
NOP
Tc4
Tc5
NOP
NOP
Tc6
Tc7
tMPRR
NOP
MRS
3
Tc8
Tc9
tMOD
MRS
MRS
Td
VALID
A[1:0]
A[2]
A[9:3]
0
0
Notes 2
1
0
Notes 2
00
VALID
VALID
0
00
A10, AP
1
0
VALID
0
A[11]
0
VALID
0
A12, BC#
0
VALID
A[14:13]
0
VALID
RL
DQS, DQS#
DQ
NOTES:
1. RD with BL8 either by MRS or OTF.
2. Memory Controller must drive 0 on A[2:0].
0
0
TIME BREAK
Don't Care
Figure 26. MPR Readout of predefined pattern,BL8 fixed burst order, back to back radout
T0
Ta
Tb
Tc0
Tc1
CK#
CK
COMMAND
BA
PREA
tRP
MRS
tMOD
3
READ
READ
t ^{Notes 1}
Notes 1
CCD
VALID
VALID
NOP
Tc2
NOP
Tc3
Tc4
NOP
NOP
Tc5
Tc6
NOP
NOP
Tc7
Tc8
NOP
NOP
Tc9
Tc10
Td
tMPRR
tMOD
NOP
MRS
VALID
3
A[1:0]
A[2]
A[9:3]
0
0
0
Notes 2
Notes 2
1
0
0
Notes 2
Notes 2
00
VALID
VALID
VALID
0
00
A10, AP
1
0
VALID
VALID
0
A[11]
0
VALID
VALID
0
A12, BC#
0
VALID
VALID
Notes 1
Notes 1
A[14:13]
0
VALID
VALID
RL
DQS, DQS#
RL
DQ
NOTES:
1. RD with BL8 either by MRS or OTF.
2. Memory Controller must drive 0 on A[2:0].
0
0
TIME BREAK
Don't Care
Confidential
-61-
Rev.1.0 May 2015