DS42515 AMD, DS42515 Datasheet - Page 44

• Manufacturer Part Number: DS42515
• Description: MCP Flash Memory and SRAM
• Manufacturer: AMD

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
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Note: DQ2 toggles only when read at an address within an erase-suspended sector. The system may use OE# or CE#f to
toggle DQ2 and DQ6.
Addresses
DQ6/DQ2
WE#
DQ6
DQ2
RY/BY#
CE#f
WE#
OE#
Embedded
Erasing
Enter
Valid Data
t
DH
t
OEH
Erase
Figure 23. Toggle Bit Timings (During Embedded Algorithms)
Suspend
Erase
Erase Suspend
(first read)
Status
Valid
Read
t
OEPH
Figure 24. DQ2 vs. DQ6
Suspend Program
Enter Erase
t
AHT
t
OE
DS42515
(second read)
t
ASO
Status
Valid
Suspend
Program
Erase
t
CEPH
t
t
AHT
AS
Erase Suspend
Read
(stops toggling)
Resume
Erase
Status
Valid
Erase
Complete
Valid Data
Erase