msm5416273 Oki Semiconductor, msm5416273 Datasheet - Page 20

• Manufacturer Part Number: msm5416273
• Description: 262,144-word 16-bit Multiport Dram
• Manufacturer: Oki Semiconductor

¡ Semiconductor
CAS before RAS Refresh Cycle
Note:
DQ0 - 15
Address
CASL/U
RAS
TRG
Code
DSF
CBRR
CBRN
CBRS
WE

 










  
The type of CBR operations are determined by the logic states of "A", "B" and "C".
t
OFF
STOP Address
t
RPC
t
RAS Falling Edge
RP
A
X
X
t
t
t
t
WSR
CSR
ASR
FSR
A
B
C
t
CHR
t
t
t
RWH
RAH
RFH
CBR Cycle Function Table


B
0
1
1
C
1
0
1
Inhibit Falling Transition
t
RAS
CBR Refresh (Reset All Options)
CBR Refresh (Set STOP Address)
CBR Refresh (No Reset Options)
t
RC
Open


t
RPC
Function
t
RP
FEDS5416273-05
MSM5416273
"H" or "L"
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