S29JL032J70TFI420 Spansion Inc., S29JL032J70TFI420 Datasheet - Page 27

• Manufacturer Part Number: S29JL032J70TFI420
• Description: IC 3V 32M SIMULTANEOUS READ/WRITE FLASH
• Manufacturer: Spansion Inc.

Specifications of S29JL032J70TFI420

• Cell Type: NOR
• Density: 32Mb
• Access Time (max): 70ns
• Interface Type: Serial
• Boot Type: Bottom
• Address Bus: 22/21Bit
• Operating Supply Voltage (typ): 3/3.3V
• Operating Temp Range: -40C to 85C
• Package Type: TSOP
• Program/erase Volt (typ): 2.7 to 3.6V
• Sync/async: Asynchronous
• Operating Temperature Classification: Industrial
• Operating Supply Voltage (min): 2.7V
• Operating Supply Voltage (max): 3.6V
• Word Size: 8/16Bit
• Number Of Words: 4M/2M
• Supply Current: 16mA
• Mounting: Surface Mount
• Pin Count: 48
• Lead Free Status / Rohs Status: Supplier Unconfirmed

August 25, 2010 S29JL032J_00_03
Sector Protect
Temporary Sector
Unprotect Mode
Device failed
Algorithm
Increment
PLSCNT
PLSCNT
= 25?
No
Yes
No
No
Write 60h to sector
Protect: Write 40h
to sector address
A6 = 0, A1 = 1,
A1 = 1, A0 = 0
A1 = 1, A0 = 0
Sector Protect:
Protect another
sector address
RESET# = V
Sector Protect
Set up sector
Verify Sector
from RESET#
Cycle = 60h?
with A6 = 0,
with A6 = 0,
address with
Remove V
Data = 01h?
PLSCNT = 1
Wait 150 µs
Write reset
Read from
First Write
Wait 1 ms
command
D a t a
complete
address
START
A0 = 0
sector?
No
Yes
Yes
ID
ID
S h e e t
Yes
Figure 8.2 In-System Sector Protect/Unprotect Algorithms
PLSCNT = 1
Reset
( P r e l i m i n a r y )
S29JL032J
The indicated portion
unprotected sectors
of the sector protect
prior to issuing the
Protect all sectors:
unprotect address
algorithm must be
performed for all
Sector Unprotect
first sector
Algorithm
Device failed
Increment
= 1000?
PLSCNT
PLSCNT
Yes
No
No
No
Write 60h to sector
Set up first sector
Sector Unprotect:
Unprotect: Write
A6 = 1, A1 = 1,
Sector Unprotect
A6 = 1, A1 = 1,
A1 = 1, A0 = 0
sector address
RESET# = V
40h to sector
Verify Sector
address with
with A6 = 1,
from RESET#
Cycle = 60h?
address with
Remove V
PLSCNT = 1
Data = 00h?
Write reset
Wait 15 ms
First Write
Read from
Last sector
Wait 1 ms
protected?
command
All sectors
complete
verified?
address
A0 = 0
A0 = 0
START
Yes
Yes
Yes
Yes
ID
ID
No
No
Temporary Sector
Unprotect Mode
next sector
address
Set up
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