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): 29/84頁
文件大?。?/td> 693K
代理商: ΜPD45128441
Preliminary Data Sheet
29
μ
PD45128441, 45128841, 45128163
11.3 Write to Read Command Interval
Write command and Read command interval is also 1 cycle.
Only the write data before Read command will be written.
The data bus must be Hi-Z at least one cycle prior to the first D
OUT
.
QB1
QB2
QB3
QB4
Write A
Hi-Z
QB1
QB2
QB3
QB4
Write A
Hi-Z
DQ
Command
DQ
Command
/CAS latency = 2
/CAS latency = 3
CLK
T0
T2
T1
T3
T4
T5
T6
T7
T8
Burst length = 4
DA1
DA1
Read B
Read B
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