V54C3128(16/80/40)4VC 128Mbit SDRAM 3.3 VOLT, TSOP II / BGA ...
V54C3128(16/80/40)4VC 128Mbit SDRAM 3.3 VOLT, TSOP II / BGA ...
V54C3128(16/80/40)4VC 128Mbit SDRAM 3.3 VOLT, TSOP II / BGA ...
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ProMOS TECHNOLOGIES<br />
<strong>V54C3128</strong>(<strong>16</strong>/<strong>80</strong>/<strong>40</strong>)<strong>4VC</strong><br />
9.1 AC Parameters for Write Timing<br />
Burst Length = 4, CAS Latency = 2<br />
T0 T1 T2 T3 T4 T5 T6 T7 T8 T9 T10 T11 T12 T13 T14 T15 T<strong>16</strong> T17 T18 T19 T20 T21 T22<br />
CLK<br />
CKE<br />
t CH t t CK2<br />
CL<br />
Begin Auto Precharge<br />
t CKS<br />
t IS<br />
t IH<br />
Bank A<br />
Begin Auto Precharge<br />
Bank B<br />
CS<br />
RAS<br />
t IS<br />
CAS<br />
t IH<br />
t IH<br />
t DPL<br />
t CKH<br />
WE<br />
BS<br />
AP<br />
RAx<br />
RBx<br />
RAy<br />
RAz<br />
RBy<br />
Addr<br />
DQM<br />
I/O<br />
Hi-Z<br />
t IS<br />
RAx<br />
CAx<br />
RBx<br />
CBx RAy<br />
RAy<br />
t RCD<br />
t DS<br />
t RC tRP<br />
Activate<br />
Command<br />
Bank A<br />
Ax0 Ax1 Ax2 Ax3 Bx0 Bx1 Bx2 Bx3 Ay0 Ay1 Ay2 Ay3<br />
Write with<br />
Auto Precharge<br />
Command<br />
Bank A<br />
Activate<br />
Command<br />
Bank B<br />
Write with<br />
Auto Precharge<br />
Command<br />
Bank B<br />
Activate<br />
Command<br />
Bank A<br />
Write<br />
Command<br />
Bank A<br />
t DH<br />
Precharge<br />
Command<br />
Bank A<br />
RAz<br />
Activate<br />
Command<br />
Bank A<br />
RBy<br />
t RRD<br />
Activate<br />
Command<br />
Bank B<br />
<strong>V54C3128</strong>(<strong>16</strong>/<strong>80</strong>/<strong>40</strong>)<strong>4VC</strong> Rev. 1.3 November 2008<br />
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