S29AS008J70BFI030 Spansion Inc., S29AS008J70BFI030 Datasheet - Page 24

• Manufacturer Part Number: S29AS008J70BFI030
• Description: IC 8M FLASH MEMORY
• Manufacturer: Spansion Inc.

Specifications of S29AS008J70BFI030

• Cell Type: NOR
• Density: 8Mb
• Access Time (max): 70ns
• Interface Type: Parallel
• Boot Type: Bottom/Top
• Address Bus: 20/19Bit
• Operating Supply Voltage (typ): 1.8V
• Operating Temp Range: -40C to 85C
• Package Type: FBGA
• Program/erase Volt (typ): 1.65 to 1.95V
• Sync/async: Asynchronous
• Operating Temperature Classification: Industrial
• Operating Supply Voltage (min): 1.65V
• Operating Supply Voltage (max): 1.95V
• Word Size: 8/16Bit
• Number Of Words: 1M/512K
• Supply Current: 12mA
• Mounting: Surface Mount
• Pin Count: 48
• Lead Free Status / Rohs Status: Compliant

24
The Secured Silicon Sector protection must be used with caution since, once protected, there is no procedure
available for unprotecting the Secured Silicon Sector area, and none of the bits in the Secured Silicon Sector
memory space can be modified in any way.
Figure 8.1 Secured Silicon Sector Protect Verify
A2=0, A3=1, A4=1,
A2=0, A3=1, A4=1
A5=0, A6=0, A7=0
A5=0, A6=0, A7=0
with A0=0, A1=1,
with A0=0, A1=1
Secured Silicon
Secured Silicon
Sector address
Sector address
RESET# = V
Write 60h to
any address
Write 40h to
Read from
Wait 1 ms
S29AS008J
START
D a t a
ID
S h e e t
Secured Silicon
Secured Silicon
Secured Silicon
Verify complete
Sector Protect
If data = 00h,
If data = 01h,
from RESET#
Remove V
unprotected.
Write reset
protected.
command
Sector is
Sector is
ID
S29AS008J_00_08 July 16, 2009