upd4564441-a75 Elpida Memory, Inc., upd4564441-a75 Datasheet - Page 43
upd4564441-a75
Manufacturer Part Number
upd4564441-a75
Description
64m-bit Synchronous Dram, 133mhz 4-bank, Lvttl
Manufacturer
Elpida Memory, Inc.
Datasheet
1.UPD4564441-A75.pdf
(70 pages)
- Current page: 43 of 70
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CLK
CKE
/CS
/RAS
/CAS
/WE
A13
A12
A10
ADD
DQM
DQ
High level is necessary
Clock cycle is necessary
High level is necessary
Hi-Z
is necessary
Precharge
Command
All Banks
t
RP
ADDRESS KEY
Register Set
is necessary
Command
Mode
t
RSC
is necessary
CBR (Auto)
Command
Refresh
t
RC1
is necessary
CBR (Auto)
Command
Refresh
2 refresh cycles are necessary
t
RC1
Command
Activate
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