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
V
PP
/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
Output hold time during data and toggle bit polling
Program/erase valid to RY/BY# LOW
Note:
1. Sampled only; not 100% tested.
Legacy
–
t
ASO
t
AHT
t
EPH
t
OEH
t
BUSY
JEDEC
t
VHVPP
t
AXGL
t
GHAX,
t
EHAX
t
EHEL2
t
WHGL2,
t
GHGL2
t
WHRL
Min
250
15
0
30
20
–
Max
–
–
–
–
–
90
Unit
ns
ns
ns
ns
ns
ns
Figure 27: Accelerated Program AC Timing
V
PPH
V
IL
or V
IH
t
VHVPP
t
VHVPP
V
PP
/WP#
Figure 28: Data Polling AC Timing
t
CH
t
E
t
HZ/
t
DF
CE#
t
OE
OE#
t
OEH
WE#
DQ7
Data
DQ7#
DQ7#
Valid DQ7
Data
Valid
DQ[6:0] Data
DQ[6:0]
Data
t
BUSY
Output flag
Output flag
RY/BY#
Notes:
1. DQ7 returns a valid data bit when the PROGRAM or ERASE command has completed.
PDF: 09005aef849b4b09
m29ew_256mb_2gb.pdf - Rev. B 8/12 EN
69
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