HD6417615 Hitachi Semiconductor, HD6417615 Datasheet - Page 798

• Manufacturer Part Number: HD6417615
• Description: Hardware Manual
• Manufacturer: Hitachi Semiconductor

CKIO
Address
upper bits
Address
lower bits
BS
CSn
RD/WR
RD
WEn
DQMxx
D31–D0
DACKn
WAIT
RAS
CAS ·
OE
CKE
Notes: 1. Dotted line shows the case where synchronous DRAM in a different CS space is
2. DACKn waveform when active-high is specified
accessed.
tBSD
tRASD1
tDACD1
tAD
tDQMD
tCSD1
tRWD
Tr
Figure 21.15 Synchronous DRAM Read Bus Cycle
(RCD = 1 Cycle, CAS Latency = 1 Cycle, Burst = 4)
tCASD1
tAD
tRASD1
Tc
tCASD1
Td1
tRDS3
tRDH4
Td2
tRDS3
tRDH4
Td3
tRDS3
tRDH4
tDQMD
Td4
tRDS3
tRDH4
Tde
tAD
tBSD
tDACD1
tRASD1
tCSD1
tCASD1
tRSD1
tCASD1
tRWD
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