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HD6437034B Просмотр технического описания (PDF) - Renesas Electronics

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HD6437034B Datasheet PDF : 687 Pages
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20.1.3 AC
486
Characteristics
(3) Bus Timing
Figure 20.9 Basic
Bus Cycle: Two-
State Access
Figure 20.12 (b) 490
DRAM Bus Cycle
(Short-Pitch, High-
Speed Page Mode:
Write)
Revision (See Manual for Details)
Note amended
Note 2. For tACC2, use tcyc × (n + 2) – 30 instead of tcyc × (n + 2) –
tAD (or tCSD1) – tRDS.
Figure amended
WRH, WRL,
WR (Write)
tWSD3
tWSD4
20.1.3 AC
502
Characteristics
(3) Bus Timing
Figure 20.22 Basic
Bus Cycle: Two-
State Access
Figure 20.25 (b) 506
DRAM Bus Cycle
(Short-Pitch, High-
Speed Page Mode:
Write)
AD15–AD0
DPH, DPL
(Write)
tWDD2
tWDH
tWPDD2
tWPDH
DPH, DPL
(Write)
Note amended
Note 2. For tACC2, use tcyc × (n + 2) – 44 instead of tcyc × (n + 2) –
tAD (or tCSD1) – tRDS.
Figure amended
WRH, WRL,
WR (Write)
tWSD3
tWSD4
AD15–AD0
DPH, DPL
(Write)
DPH, DPL
(Write)
tWDD2
tWDH
tWPDD2
tWPDH
Rev. 7.00 Jan 31, 2006 page xi of xxvi

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