參數(shù)資料
型號(hào): AM29DL320GB70WMIN
廠商: SPANSION LLC
元件分類: DRAM
英文描述: DIODE SCHOTTKY SINGLE 10V 200mW 0.37V-vf 30mA-IFM 1mA-IF 1uA-IR SOT-323 3K/REEL
中文描述: 2M X 16 FLASH 3V PROM, 70 ns, PBGA48
封裝: 6 X 12 MM, 0.80 MM PITCH, FBGA-48
文件頁數(shù): 21/58頁
文件大小: 1239K
代理商: AM29DL320GB70WMIN
September 27, 2004
Am29DL320G
19
Figure 2.
Sector Unprotection Algorithms
In-System Sector Protection/
Sector Protect:
Write 60h to sector
address with
A6 = 0, A1 = 1,
A0 = 0
Set up sector
address
Wait 150 μs
Verify Sector
Protect: Write 40h
to sector address
with A6 = 0,
A1 = 1, A0 = 0
Read from
sector address
with A6 = 0,
A1 = 1, A0 = 0
START
PLSCNT = 1
RESET# = V
ID
Wait 1
μ
s
First Write
Cycle = 60h
Data = 01h
Remove V
from RESET#
Write reset
command
Sector Protect
complete
Yes
Yes
No
PLSCNT
= 25
Yes
Device failed
Increment
PLSCNT
Temporary Sector
Unprotect Mode
No
Sector Unprotect:
Write 60h to any
address with
A6 = 1, A1 = 1,
A0 = 0
Set up first sector
address
Wait 15 ms
Verify Sector
Unprotect: Write
40h to sector
address with
A6 = 1, A1 = 1,
A0 = 0
Read from
sector address
with A6 = 1,
A1 = 1, A0 = 0
START
PLSCNT = 1
RESET# = V
ID
Wait 1
μ
s
Data = 00h
Last sector
verified
Remove V
from RESET#
Write reset
command
Sector Unprotect
complete
Yes
No
PLSCNT
= 1000
Yes
Device failed
Increment
PLSCNT
Temporary Sector
Unprotect Mode
No
All sectors
protected
Yes
Protect all sectors:
The indicated portion
of the sector protect
algorithm must be
performed for all
unprotected sectors
prior to issuing the
first sector
unprotect address
Set up
next sector
address
No
Yes
No
Yes
No
No
Yes
No
Sector Protect
Algorithm
Sector Unprotect
Algorithm
First Write
Cycle = 60h
Protect another
sector
Reset
PLSCNT = 1
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PDF描述
AM29DL320GT70WMFN For new designs involving TSOP packages, S29JL032H supercedes Am29DL320G and is the factory-recommended migration path.
AM29DL320GB70WMFN For new designs involving TSOP packages, S29JL032H supercedes Am29DL320G and is the factory-recommended migration path.
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