S29JL032H90TFI320 Spansion Inc., S29JL032H90TFI320 Datasheet - Page 25

• Manufacturer Part Number: S29JL032H90TFI320
• Description: IC, FLASH, 32MBIT, 90NS, TSOP-48
• Manufacturer: Spansion Inc.

Specifications of S29JL032H90TFI320

• Memory Type: Flash
• Memory Size: 32Mbit
• Memory Configuration: 4M X 8 / 2M X 16
• Ic Interface Type: CFI, Parallel
• Access Time: 90ns
• Supply Voltage Range: 2.7 To 3.6 V
• Memory Case Style: TSOP
• Data Bus Width: 8 bit, 16 bit
• Architecture: Boot Sector
• Interface Type: Conventional
• Supply Voltage (max): 3.6 V
• Supply Voltage (min): 2.7 V
• Maximum Operating Current: 2 mA
• Mounting Style: SMD/SMT
• Operating Temperature: + 85 C
• Package / Case: TSOP-48
• Rohs Compliant: YES
• No. Of Pins: 48
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

August 31, 2009 S29JL032H_00_B8
Sector Protect
Temporary Sector
Unprotect Mode
Device failed
Algorithm
Increment
PLSCNT
PLSCNT
= 25?
No
Yes
No
No
sector address with
A6=0, A3=0, A2=0,
Protect: Write 40h
A6=0, A3=0, A2=0,
Write 60h to sector
A2=0, A1=1, A0=0
to sector address
with
Protect another
RESET# = V
Sector Protect:
Sector Protect
Set up sector
Verify Sector
from RESET#
Cycle = 60h?
Remove V
PLSCNT = 1
address with
Data = 01h?
Wait 150 µs
Write reset
A1=1, A0=0
Read from
A1=1, A0=0
First Write
Wait 1 ms
command
complete
address
A6=0, A3=0,
sector?
START
No
Yes
Yes
ID
ID
Yes
Figure 8.2 In-System Sector Protect/Unprotect Algorithms
D a t a
PLSCNT = 1
Reset
S h e e t
S29JL032H
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
No
Yes
No
No
sector address with
Write 60h to sector
A6=1, A3=0, A2=0,
A6=1, A3=0, A2=0,
A6=1, A3=0, A2=0,
Set up first sector
Sector Unprotect:
Unprotect: Write
Sector Unprotect
RESET# = V
40h to sector
Verify Sector
address with
from RESET#
Cycle = 60h?
address with
Remove V
PLSCNT = 1
Data = 00h?
Write reset
Wait 15 ms
A1=1, A0=0
A1=1, A0=0
Read from
A1=1, A0=0
First Write
Last sector
Wait 1 ms
protected?
command
All sectors
complete
verified?
address
START
Yes
Yes
Yes
Yes
ID
ID
No
No
Temporary Sector
Unprotect Mode
next sector
address
Set up
25