HD6417615 Hitachi Semiconductor, HD6417615 Datasheet - Page 800

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

Address
upper bits
Address
lower bits
CSn
WAIT
Notes: 1. Dotted line shows the case where synchronous DRAM in a different CS space is
CKIO
BS
RD/WR
RD
WEn
DQMxx
D31
DACKn
RAS
CAS
CKE
–
–
D0
OE
2. DACKn waveform when active-high is specified
accessed.
tRASD1
Tr
(RCD = 2 Cycles, CAS Latency = 2 Cycles, Burst = 4)
Figure 21.17 Synchronous DRAM Read Bus Cycle
tRASD1
Trw
tCASD1 tCASD1
Tc
Tw
Td1
Td2
Td3
Td4
Tde
791