參數(shù)資料
型號: MB811171622A-67
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(jī)存儲器(2 ×的CMOS為512k × 16位同步動態(tài)RAM)的
文件頁數(shù): 41/43頁
文件大?。?/td> 601K
代理商: MB811171622A-67
41
MB811171622A-125/-100/-84/-67
TIMING DIAGRAM – 16 : SELF-REFRESH ENTRY AND EXIT TIMING
t
RC
(min)
t
PDE
(min)
CLK
CKE
Command
NOP
Notes:
1.
Precharge command (PRE or PALL) should be asserted if any bank is active prior to Self-refresh Entry command (SELF).
The Self-refresh Exit command (SELFX) is latched after t
PDE
(min). It is recommended to apply NOP command in
conjunction with CKE.
Either NOP or DESL command can be used during t
RC
period.
CKE should be held High within one t
RC
period after t
PDE
.
2.
3.
4.
SELF
Don’t Care
SELFX
Command
NOP
2
NOP
3
1
t
SI
(min)
TIMING DIAGRAM – 17 : MODE REGISTER SET TIMING
CLK
Command
Address
MRS
NOP or DESL
Mode
Row Adress
ACTV
Note:
The Mode Register Set command (MRS) should be only asserted after all banks have been precharged.
I
MRD
(min 2 clocks)
相關(guān)PDF資料
PDF描述
MB811171622A-84 CMOS 2×512K×16 Bit Synchronous Dynamic RAM(CMOS 2×512K×16 位同步動態(tài)RAM)
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MB81117422A-67 CMOS 2×2M ×4 Bit Synchronous Dynamic RAM(CMOS 2×2M ×4 位同步動態(tài)RAM)
MB81117422A-84 CMOS 2×2M ×4 Bit Synchronous Dynamic RAM(CMOS 2×2M ×4 位同步動態(tài)RAM)
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