EN29LV641H/L EN29LV640U
AC CHARACTERISTICS
Figure 3. 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
OE#
WE#
tCH
tWP
tCS
tWPH
tWHWH2 or tWHWH3
Status
Data
0x55
0x30
DOUT
tDS
tBUSY
tDH
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 is 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
37
Rev. B, Issue Date: 2005/06/27
EON [ EON SILICON SOLUTION INC. ]
