am49pdl127ah Meet Spansion Inc., am49pdl127ah Datasheet - Page 70

• Manufacturer Part Number: am49pdl127ah
• Description: Stacked Multi-chip Package Mcp Flash Memory And Psram, 128 Megabit 8m ? 16-bit Cmos 3.0 Volt-only, Simultaneous Operation Flash Memory And 16 Mbit 1m ? 16-bit Cmos Pseudo Static Ram
• Manufacturer: Meet Spansion Inc.

FLASH AC CHARACTERISTICS
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.
68
Note: DQ2 toggles only when read at an address within an erase-suspended sector. The system may use OE# or CE#f1 to
toggle DQ2 and DQ6.
CE#f2 (PDL129 only)
WE#
DQ6
DQ2
Addresses
Embedded
DQ6/DQ2
CE#f1 or
Erasing
RY/BY#
Enter
WE#
OE#
Valid Data
Erase
Figure 21. Toggle Bit Timings (During Embedded Algorithms)
t
Suspend
DH
t
Erase
OEH
A D V A N C E
Erase Suspend
Read
Am49PDL127AH/Am49PDL129AH
(first read)
Status
Valid
Figure 22. DQ2 vs. DQ6
Suspend Program
Enter Erase
t
OEPH
I N F O R M A T I O N
t
AHT
t
OE
Suspend
(second read)
Program
t
Erase
ASO
Status
Valid
t
CEPH
Erase Suspend
t
t
AHT
AS
Read
Resume
Erase
(stops toggling)
Status
Valid
Erase
December 18, 2003
Complete
Valid Data
Erase