EN29LV400A
AC CHARACTERISTICS
Figure 6. AC Waveforms for Chip/Sector Erase Operations Timings
Erase Command Sequence (last 2 cycles)
Read Status Data (last two cycles)
tWC
tAS
tAH
Addresses
CE#
0x2AA
SA
VA
VA
0x555 for chip
erase
tGHWL
tCH
OE#
WE#
tWP
tCS
tWPH
tWHWH2 or tWHWH3
Data
0x55
0x30
Status
DOUT
tDS
tDH
tBUSY
tRB
RY/BY#
VCC
tVCS
Notes:
1. SA=Sector Address (for sector erase), VA=Valid Address for reading status, Dout=true data at read address.
2. Vcc shown only to illustrate tvcs measurement references. It cannot occur as shown during a valid command
sequence.
This Data Sheet may be revised by subsequent versions
or modifications due to changes in technical specifications.
©2005 Eon Silicon Solution, Inc., www.essi.com.tw
31
Rev. A, Issue Date: 2005/01/07