P R E L I M I N A R Y
SWITCHING WAVEFORMS
tWC
tAS
555H for chip erase
ADDRESSES
555H
AAAH
555H
555H
AAAH
SA
tAH
CE
OE
WE
tGHWL
tWP
tCS
tDS
tWPH
10H for Chip Erase
tDH
DATA
VCC
55H
80H
AAH
55H
30H
AAH
Note:
1. SA is the sector address for Sector Erase.
20511C-17
Figure 14. AC Waveforms for Chip/Sector Erase Operations
tCH
CE
OE
tDF
tOE
tOEH
WE
tCE
tOH
*
HIGH Z
HIGH Z
DQ7=Valid Data
DQ7
DQ7
tWHWH1_or_2
DQ0-DQ6=Invalid Data
DQ0-DQ6
DQ0-DQ6 Valid Data
* DQ7 = Valid Data (The device has completed the embedded operation.)
20511C-18
Figure 15. AC Waveforms for Data Polling During Embedded Algorithm Operations
32
Am29LV008T/Am29LV008B
CYPRESS [ CYPRESS ]
