256Mb: 3V Embedded Parallel NOR Flash
Read AC Characteristics
Read AC Characteristics
Table 35: Read AC Characteristics
Symbol
80ns
70ns
VCCQ = VCC
VCCQ = 1.65V
to VCC
Parameter
Legacy
JEDEC
Condition
Min
Max
Min
Max
Unit
Notes
Address valid to next address
valid
tRC
tAVAV
CE# = VIL,
OE# = VIL
70
–
80
–
ns
Address valid to output valid
tACC
tPAGE
tAVQV
CE# = VIL,
OE# = VIL
–
–
70
25
–
–
80
30
ns
ns
Address valid to output valid
(page)
tAVQV1
CE# = VIL,
OE# = VIL
CE# LOW to output transition
CE# LOW to output valid
tLZ
tE
tELQX
tELQV
tGLQX
tGLQV
tEHQZ
tGHQZ
tEHQX,
tGHQX,
tAXQX
OE# = VIL
OE# = VIL
CE# = VIL
CE# = VIL
OE# = VIL
CE# = VIL
–
0
–
0
–
–
–
0
–
0
–
0
–
–
–
0
–
ns
ns
ns
ns
ns
ns
ns
1
1
70
–
80
–
OE# LOW to output transition
OE# LOW to output valid
CE# HIGH to output High-Z
OE# HIGH to output High-Z
tOLZ
tOE
tHZ
tDF
tOH
25
25
25
–
30
30
30
–
1
1
CE#, OE#, or address transition
to output transition
1. Sampled only; not 100% tested.
Note:
Figure 18: Random Read AC Timing
t
RC
Valid
A[MAX:0]
CE#
t
t
ACC
OH
t
t
E
OH
t
t
LZ
t
HZ
OE#
t
OLZ
t
OH
t
OE
DF
Valid
DQ[15:0]
PDF: 09005aef84ecabef
m29dw_256g.pdf - Rev. A 10/12 EN
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