256Mb, 512Mb, 1Gb, 2Gb: 3V Embedded Parallel NOR Flash
Accelerated Program, Data Polling/Toggle AC Characteristics
Accelerated Program, Data Polling/Toggle AC Characteristics
Table 32: Accelerated Program and Data Polling/Data Toggle AC Characteristics
Symbol
Parameter
Legacy
JEDEC
tVHVPP
tAXGL
Min
250
15
Max
Unit
ns
VPP/WP# rising or falling time
–
–
–
–
–
–
Address setup time to OE# LOW during toggle bit polling
Address hold time from OE# during toggle bit polling
CE# HIGH during toggle bit polling
tASO
tAHT
tEPH
tOEH
ns
tGHAX, tEHAX
tEHEL2
0
ns
30
ns
Output hold time during data and toggle bit polling
tWHGL2,
tGHGL2
20
ns
Program/erase valid to RY/BY# LOW
tBUSY
tWHRL
–
90
ns
1. Sampled only; not 100% tested.
Note:
Figure 27: Accelerated Program AC Timing
VPPH
VPP/WP#
VIL or VIH
tVHVPP
tVHVPP
Figure 28: Data Polling AC Timing
t
t
t
t
CH
E
HZ/ DF
CE#
t
OE
OE#
t
OEH
WE#
DQ7
Valid DQ7
Data
Data
DQ7#
DQ7#
Valid
DQ[6:0] Data
DQ[6:0] Data
Output flag
Output flag
t
BUSY
RY/BY#
1. DQ7 returns a valid data bit when the PROGRAM or ERASE command has completed.
Notes:
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m29ew_256mb_2gb.pdf - Rev. B 8/12 EN
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