參數(shù)資料
型號(hào): MB81117822A-100
廠商: Fujitsu Limited
英文描述: CMOS 2×1M ×8 Bit Synchronous Dynamic RAM(CMOS 2×1M ×8 位同步動(dòng)態(tài)RAM)
中文描述: 的CMOS 2 × 100萬× 8位同步動(dòng)態(tài)隨機(jī)存儲(chǔ)器(2 × 100萬的CMOS × 8位同步動(dòng)態(tài)RAM)的
文件頁數(shù): 41/43頁
文件大?。?/td> 275K
代理商: MB81117822A-100
41
MB81117822A-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. It is also recommended to apply minimum of 4 clocks to stabilize external clock prior to SELFX
command.
Either NOP or DESL command can be used during t
RC
period.
2.
3.
SELF
Don’t Care
SREX
Command
NOP
2
NOP
3
1
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 issued after all banks have been precharged.
I
MRD
(min 2 clocks)
相關(guān)PDF資料
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