256Mb: 3V Embedded Parallel NOR Flash
Power-Up and Reset Characteristics
Power-Up and Reset Characteristics
Table 28: Power-Up Wait Timing Specifications
Note 1 applies to the entire table
Symbol
Parameter
Legacy
tVCH
JEDEC
tVCHEL
tVCQHEL
tVCHWL
tVCQHWL
Min
55
Max
Unit
µs
Notes
VCC HIGH to CE# LOW
VCCQ HIGH to CE# LOW
VCC HIGH to WE# LOW
VCCQ HIGH to WE# LOW
–
–
–
–
2
2
–
–
–
55
µs
500
500
µs
µs
1. Specifications apply to 70 and 80ns devices unless otherwise noted.
2. VCC and VCCQ ramps must be synchronized during power-up.
Notes:
Figure 13: Power-Up Timing
tVCHEL
VCC
VCCQ
tVCQHEL
CE#
WE#
tVCHWL
tVCQHWL
PDF: 09005aef84ecabef
m29dw_256g.pdf - Rev. A 10/12 EN
Micron Technology, Inc. reserves the right to change products or specifications without notice.
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