S29AL016J70TFI010 Spansion Inc., S29AL016J70TFI010 Datasheet - Page 24

• Manufacturer Part Number: S29AL016J70TFI010
• Description: IC, FLASH, 16MBIT, 70NS, TSOP-48
• Manufacturer: Spansion Inc.

Specifications of S29AL016J70TFI010

• Memory Type: Flash
• Memory Size: 16Mbit
• Memory Configuration: 2M X 8 / 1M X 16
• Ic Interface Type: CFI, Parallel
• Access Time: 70ns
• Supply Voltage Range: 2.7 To 3.6 V
• Memory Case Style: TSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

24
Group Unprotect Mode
Protect Algorithm
Temporary Sector
Sector Group
Device failed
Increment
PLSCNT
PLSCNT
= 25?
No
Yes
No
to sector group address
No
sector group address
Verify Sector Group
Write 60h to sector group
Protect: Write 40h
Protect complete
Protect another
Sector Group Protect:
RESET# = V
group address
A1 = 1, A0 = 0
A1 = 1, A0 = 0
from RESET#
Sector Group
sector group?
Set up sector
A3 = A2 = 0,
A3 = A2 = 0,
PLSCNT = 1
Cycle = 60h?
Remove V
Wait 150 µs
with A6 = 0,
with A6 = 0,
Data = 01h?
Write reset
Read from
First Write
command
Wait 1 µs
Figure 7.2 In-System Sector Group Protect/Unprotect Algorithms
A1 = 1, A0 = 0
START
address with
A3 = A2 = 0,
A6 = 0,
No
Yes
Yes
ID
ID
Yes
PLSCNT = 1
Reset
unprotected sector groups
of the sector group protect
The indicated portion
Protect all sectors:
S29AL016J
prior to issuing the
unprotect address
algorithm must be
first sector group
performed for all
Unprotect Algorithm
D a t a
Sector Group
Device failed
Increment
PLSCNT
PLSCNT
= 1000?
S h e e t
No
Yes
No
No
sector group address
Verify Sector Group
40h to sector group
Unprotect complete
Sector Group Unprotect:
Set up first sector
Unprotect: Write
RESET# = V
A1 = 1, A0 = 0
A1 = 1, A0 = 0
group verified?
group address
from RESET#
Write 60h to sector
address with
A3 = A2 = 0,
A3 = A2 = 0,
Sector Group
PLSCNT = 1
Cycle = 60h?
Remove V
Data = 00h?
Wait 1.5 ms
with A6 = 1,
Write reset
Read from
Last sector
First Write
command
All sectors
protected?
Wait 1 µs
A1 = 1, A0 = 0
A6 = 1,
START
address with
S29AL016J_00_10 February 18, 2010
A3 = A2 = 0,
A6 = 1,
Yes
Yes
Yes
Yes
ID
ID
No
No
next sector group
Group Unprotect Mode
Temporary Sector
address
Set up