s29as008j Meet Spansion Inc., s29as008j Datasheet - Page 48

• Manufacturer Part Number: s29as008j
• Description: 8 Megabit 1 M X 8-bit/512 K X 16-bit Cmos 1.8 Volt-only Boot Sector Flash Memory
• Manufacturer: Meet Spansion Inc.

Note
The system may use CE# or OE# to toggle DQ2 and DQ6. DQ2 toggles only when read at an address within an erase-suspended sector.
48
WE#
DQ6
DQ2
Embedded
Erasing
Enter
Note
VA = Valid address; not required for DQ6. Illustration shows first two status cycle after command sequence, last status read cycle, and array
data read cycle.
Addresses
DQ6/DQ2
Erase
RY/BY#
WE#
Figure 18.9 DQ2 vs. DQ6 for Erase and Erase Suspend Operations
OE#
CE#
Suspend
Erase
Erase Suspend
t
t
BUSY
CH
Figure 18.8 Toggle Bit Timings (During Embedded Algorithms)
D a t a
Read
t
OEH
High Z
t
Suspend Program
ACC
t
CE
t
VA
t
RC
S h e e t
OE
Enter Erase
Valid Status
(first read)
S29AS008J
t
OH
t
( A d v a n c e
DF
Suspend
Program
Erase
(second read)
Valid Status
VA
Erase Suspend
Read
I n f o r m a t i o n )
Resume
Erase
(stops toggling)
Valid Status
S29AS008J_00_03 June 6, 2008
VA
Erase
Valid Data
VA
Complete
Erase