DATA SHEET
AC CHARACTERISTICS
Addresses
Program Command Sequence (last two cycles)
tWC
tAS
555h
PA
tAH
CE#
OE#
WE#
Data
tCH
tWP
tCS
tWPH
tDS
tDH
A0h
PD
Read Status Data (last two cycles)
PA
PA
tWHWH1
Status DOUT
tVCS
VCC
Note: PA = program address, PD = program data, DOUT is the true data at the program address.
Figure 9. Program Operation Timings
Addresses
CE#
Erase Command Sequence (last two cycles)
tWC
2AAh
tAS
SA
555h for chip erase
tAH
Read Status Data
VA
VA
OE#
tCH
WE#
Data
tWP
tCS
tWPH
tDS
tDH
55h
30h
10 for Chip Erase
tWHWH2
In
Progress
VCC
tVCS
Note:
SA = Sector Address. VA = Valid Address for reading status data.
Figure 10. Chip/Sector Erase Operation Timings
Complete
March 3, 2009 21445E6
Am29F040B
23