參數(shù)資料
型號(hào): UPD4564323
廠商: NEC Corp.
英文描述: 64M-bit Synchronous DRAM 4-bank, LVTTL
中文描述: 6400位同步DRAM 4銀行,LVTTL
文件頁(yè)數(shù): 42/84頁(yè)
文件大?。?/td> 1048K
代理商: UPD4564323
D
4
μ
P
E
13.5 Power On Sequence and CBR (Auto) Refresh
CLK
CKE
/CS
/RAS
/CAS
/WE
BA1
A10
ADD
DQM
DQ
Hi-Z
t
RSC
ADDRESS KEY
t
RP
High level is necessary
High level is necessary
Clock signal is necessary
2 refresh cycles are necessary
t
RC1
t
RC1
Precharge
All Banks
Command
is necessary
Mode
Register Set
Command
is necessary
CBR(Auto)
Refresh
Command
is necessary
Activate
Command
CBR (Auto) refresh
Command
is necessary
BA0
相關(guān)PDF資料
PDF描述
UPD4564323G5-A10-9JH 64M-bit Synchronous DRAM 4-bank, LVTTL
UPD4564323G5-A10B-9JH 64M-bit Synchronous DRAM 4-bank, LVTTL
UPD4564323G5-A60-9JH 64M-bit Synchronous DRAM 4-bank, LVTTL
UPD4564323G5-A80-9JH 64M-bit Synchronous DRAM 4-bank, LVTTL
UPD4564323G5-A70-9JH 64M-bit Synchronous DRAM 4-bank, LVTTL
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