AM29DL323GB90EI AMD (ADVANCED MICRO DEVICES), AM29DL323GB90EI Datasheet - Page 22
AM29DL323GB90EI
Manufacturer Part Number
AM29DL323GB90EI
Description
Flash Memory IC
Manufacturer
AMD (ADVANCED MICRO DEVICES)
Datasheets
1.AM29DL323GB90EI.pdf
(58 pages)
2.AM29DL323GB90EI.pdf
(53 pages)
3.AM29DL323GB90EI.pdf
(58 pages)
Specifications of AM29DL323GB90EI
Memory Configuration
4M X 8 / 2M X 16 Bit
Supply Voltage Max
3.6V
Access Time, Tacc
90nS
Mounting Type
Surface Mount
Supply Voltage
3V
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AM29DL323GB90EI
Manufacturer:
TDK
Quantity:
14 000
20
Sector Protect
Temporary Sector
Unprotect Mode
Algorithm
Device failed
Increment
PLSCNT
PLSCNT
= 25?
No
Yes
No
No
Write 60h to sector
Protect: Write 40h
to sector address
A6 = 0, A1 = 1,
Protect another
Sector Protect:
sector address
RESET# = V
A1 = 1, A0 = 0
A1 = 1, A0 = 0
Sector Protect
from RESET#
Set up sector
Verify Sector
Cycle = 60h?
PLSCNT = 1
address with
with A6 = 0,
with A6 = 0,
Remove V
Wait 150 µs
Data = 01h?
Write reset
Read from
First Write
command
Wait 1 μs
complete
address
START
sector?
A0 = 0
Yes
No
Yes
ID
ID
Figure 2. In-System Sector Protection/
Yes
Sector Unprotection Algorithms
PLSCNT = 1
Reset
D A T A
Am29DL32xG
The indicated portion
Protect all sectors:
unprotected sectors
of the sector protect
prior to issuing the
unprotect address
algorithm must be
performed for all
S H E E T
Sector Unprotect
first sector
Algorithm
Device failed
Increment
PLSCNT
PLSCNT
= 1000?
Yes
No
No
No
Set up first sector
Sector Unprotect:
Unprotect: Write
Sector Unprotect
Write 60h to any
A6 = 1, A1 = 1,
A6 = 1, A1 = 1,
RESET# = V
sector address
A1 = 1, A0 = 0
from RESET#
Verify Sector
40h to sector
address with
PLSCNT = 1
Cycle = 60h?
address with
Remove V
with A6 = 1,
Data = 00h?
Write reset
Wait 15 ms
Read from
First Write
Last sector
protected?
command
Wait 1 μs
All sectors
complete
verified?
address
START
A0 = 0
A0 = 0
25686B10 December 4, 2006
Yes
Yes
Yes
Yes
ID
ID
No
No
Temporary Sector
Unprotect Mode
next sector
address
Set up