參數(shù)資料
型號(hào): MBM29F400TC-55PFTR
廠商: FUJITSU LTD
元件分類: DRAM
英文描述: 4M (512K X 8/256K X 16) BIT
中文描述: 256K X 16 FLASH 5V PROM, 55 ns, PDSO48
封裝: PLASTIC, REVERSE, TSOP1-48
文件頁(yè)數(shù): 41/47頁(yè)
文件大小: 542K
代理商: MBM29F400TC-55PFTR
41
MBM29F400TC
-55/-70/-90
/MBM29F400BC
-55/-70/-90
Figure 23 Sector Protection Algorithm
* :A
-1
is V
IL
on byte mode.
Setup Sector Addr.
(
A
17
, A
16,
A
15
, A
14
, A
13
, A
12
)
Activate WE Pulse
WE = V
IH
, CE = OE = V
IL
(A
9
should remain V
ID
)
Yes
Yes
No
No
PLSCNT = 1
Time out 100
μ
s
Read from Sector
(Addr. = SA, A
1
= 1,
A
0
= V
6
= 0)*
Increment PLSCNT
No
Yes
Protect Another Sector
Start
Sector Protection
Completed
Data = 01H
PLSCNT = 25
Device Failed
Remove V
ID
from A
9
Write Reset Command
Remove
V
ID
from A
9
Write Reset Command
OE = V
ID
, A
9
= V
ID
,
A
6
= CE = V
IL
, RESET = V
IH
相關(guān)PDF資料
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