256Mb: 3V Embedded Parallel NOR Flash
Power-Up and Reset Characteristics
Table 22: Reset AC Specifications
Note 1 applies to entire table
Symbol
Legacy
Condition/Parameter
JEDEC
Min
Max
Unit
Notes
RST# LOW to read mode during program or
erase
tREADY
tPLRH
–
55
µs
2
RST# pulse width
tRP
tRH
tPLPH
20
55
–
–
µs
ns
RST# HIGH to CE# LOW, OE# LOW
tPHEL,
tPHGL,
tPHWL
2
RST# LOW to standby mode during read mode
tRPD
tRB
–
20
55
–
–
µs
µs
RST# LOW to standby mode during program or
erase
RY/BY# HIGH to CE# LOW, OE# LOW
tRHEL,
tRHGL,
tRHWL
0
–
ns
2
1. Specifications apply to 60, 70, and 80ns devices unless otherwise noted. The 60ns device
is available upon customer request.
Notes:
2. Sampled only; not 100% tested.
Figure 13: Reset AC Timing – No PROGRAM/ERASE Operation in Progress
RY/BY#
CE#, OE#, WE#
t
RH
RST#
t
RP
PDF: 09005aef84bd3b68
m29w_256mb.pdf - Rev. C 7/13 EN
Micron Technology, Inc. reserves the right to change products or specifications without notice.
© 2013 Micron Technology, Inc. All rights reserved.
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