參數(shù)資料
型號: MB811171622A-100
廠商: Fujitsu Limited
英文描述: CMOS 2×512K×16 Bit Synchronous Dynamic RAM(CMOS 2×512K×16 位同步動態(tài)RAM)
中文描述: 的CMOS為512k × 2 × 16位同步動態(tài)隨機存儲器(2 ×的CMOS為512k × 16位同步動態(tài)RAM)的
文件頁數(shù): 38/43頁
文件大?。?/td> 601K
代理商: MB811171622A-100
38
MB811171622A-125/-100/-84/-67
TIMING DIAGRAM – 10 : WRITE INTERRUPTED BY PRECHARGE (EXAMPLE @ CL = 3)
t
RP
(min)
t
RWL
(min)
CLK
Command
DQ
Active
Data-In
Last
Data-In
Masked
by PRE
Note:
The precharge command (PRE) should only be issued after the t
RWL
of final data input, is satisfied.
Precharge
TIMING DIAGRAM – 11 : READ INTERRUPTED BY WRITE (EXAMPLE @ CL = 3, BL =
4)
CLK
Command
DQM
DQ
Data Out
Masked
Data In
Data In
Note 1
Note 2
Note 3
Write
Notes:
First DQM makes high impedance state High-Z between last output and first input data.
2.
Second DQM makes internal output data mask to avoid bus contention.
3.
Third DQM in illustrated above also makes internal output data mask. If burst read ends (final data output) at or after the
second clock of burst write, this third DQM is required to avoid internal bus contention.
I
DWD
(same clock)
I
OWD
(2 clocks)
I
DQZ
(2 clocks)
Read
相關PDF資料
PDF描述
MB811171622A-125 CMOS 2×512K×16 Bit Synchronous Dynamic RAM(CMOS 2×512K×16 位同步動態(tài)RAM)
MB811171622A-67 CMOS 2×512K×16 Bit Synchronous Dynamic RAM(CMOS 2×512K×16 位同步動態(tài)RAM)
MB811171622A-84 CMOS 2×512K×16 Bit Synchronous Dynamic RAM(CMOS 2×512K×16 位同步動態(tài)RAM)
MB81117422A-100 CMOS 2×2M ×4 Bit Synchronous Dynamic RAM(CMOS 2×2M ×4 位同步動態(tài)RAM)
MB81117422A-125 CMOS 2×2M ×4 Bit Synchronous Dynamic RAM(CMOS 2×2M ×4 位同步動態(tài)RAM)
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