參數(shù)資料
型號(hào)： μPD45128441
廠商： NEC Corp.
英文描述： 128M-bit Synchronous DRAM(128M 同步DRAM)
中文描述： 128兆位同步DRAM（128M的同步DRAM）的
文件頁數(shù)： 28/84頁
文件大小： 693K
代理商： ΜPD45128441
Preliminary Data Sheet
28
μ
PD45128441, 45128841, 45128163
11. Read / Write Command Interval
11.1 Read to Read Command Interval
During a read cycle, when new Read command is issued, it will be effective after /CAS latency, even if the previous
read operation does not completed. READ will be interrupted by another READ.
The interval between the commands is 1 cycle minimum. Each Read command can be issued in every clock
without any restriction.
11.2 Write to Write Command Interval
During a write cycle, when a new Write command is issued, the previous burst will terminate and the new burst will
begin with a new Write command. WRITE will be interrupted by another WRITE.
The interval between the commands is minimum 1 cycle. Each Write command can be issued in every clock
without any restriction.
QB1
QB2
QB3
QB4
Hi-Z
Read A
DQ
Command
CLK
T0
T2
T1
T3
T4
T5
T6
T7
T8
Burst length = 4, /CAS latency = 2
Read B
QA1
1cycle
T9
DB1
DB2
DB3
DB4
Hi-Z
Write A
DQ
Command
CLK
T0
T2
T1
T3
T4
T5
T6
T7
T8
Burst length = 4, /CAS latency = 2
Write B
DA1
1cycle
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PD45128441G5 制造商:ELPIDA 制造商全稱:Elpida Memory 功能描述:128M-bit Synchronous DRAM 4-bank, LVTTL WTR (Wide Temperature Range)
PD45128441G5-A10I-9JF 制造商:ELPIDA 制造商全稱:Elpida Memory 功能描述:128M-bit Synchronous DRAM 4-bank, LVTTL WTR (Wide Temperature Range)
PD45128441G5-A10LI-9JF 制造商:ELPIDA 制造商全稱:Elpida Memory 功能描述:128M-bit Synchronous DRAM 4-bank, LVTTL WTR (Wide Temperature Range)
PD45128441G5-A10LT-9JF 制造商:ELPIDA 制造商全稱:Elpida Memory 功能描述:128M-bit Synchronous DRAM 4-bank, LVTTL WTR (Wide Temperature Range)
PD45128441G5-A10T-9JF 制造商:ELPIDA 制造商全稱:Elpida Memory 功能描述:128M-bit Synchronous DRAM 4-bank, LVTTL WTR (Wide Temperature Range)
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