S29GL256P90FFIR20 Spansion Inc., S29GL256P90FFIR20 Datasheet - Page 64

• Manufacturer Part Number: S29GL256P90FFIR20
• Description: IC 256M PAGE-MODE FLASH MEMORY
• Manufacturer: Spansion Inc.

Note
A = Valid address; not required for DQ6. Illustration shows first two status cycle after command sequence, last status read cycle, and array data read cycle CE# does
not need to go high between status bit reads
Note
DQ2 toggles only when read at an address within an erase-suspended sector. The system can use OE# or CE# to toggle DQ2 and DQ6.
64
DQ2 and DQ6
WE#
DQ6
DQ2
Addresses
RY/BY#
WE#
CE#
OE#
Embedded
Erasing
Enter
Valid Data
t
DH
Erase
t
OEH
Suspend
Figure 11.13 Toggle Bit Timings (During Embedded Algorithms)
Erase
Erase Suspend
(first read)
Read
Status
Valid
S29GL-P MirrorBit
Suspend Program
t
OEPH
Enter Erase
t
AHT
Figure 11.14 DQ2 vs. DQ6
t
OE
(second read)
t
D a t a
ASO
Suspend
Program
Status
Valid
®
Erase
Flash Family
t
S h e e t
CEPH
t
t
Erase Suspend
AHT
AS
Read
Resume
S29GL-P_00_A13 November 17, 2010
(stops toggling)
Erase
Status
Valid
Erase
Complete
Valid Data
Erase