
W29GL064C
8.5.6
DEEP POWER DOWN MODE
Description
#WE High to release from Deep Power Down Mode
#WE High to Deep Power Down Mode
Table 8-8
AC Characteristics for Deep Power Down
SYMBOL
t RDP
t DP
TYP.
100μs
10μs
MAX
200μs
20μs
#CE
#WE
t DP
t RDP
Address
Data
555h
AAh
2AAh
55h
XXXh
B9h
Standby mode
XXXh (Don’t Care)
ABh
Deep Power Down mode
Standby mode
Figure 8-26
Deep Power Down mode Waveform
8.5.7
WRITE BUFFER PROGRAM
Write CMD: DATA=AAh, ADD=555h
Write CMD: DATA=29h, ADD=SA
Write CMD: DATA=55h, ADD=2AAh
Polling Status
Write CMD: DATA=25h, ADD=SA
YES
PASS?
Write CMD: DATA=PWC, ADD=SA
NO
Write CMD: DATA=PGM DATA,
ADD=PGM ADD
Return to Read mode
FAIL?
NO
PWC=PWC-1
Want to Abort?
YES
Write a different Sector Address
to cause Abort
YES
NO
YES
Write Buffer Abort?
NO
PWC=0?
YES
NO
SA
PWC
= Sector Address of the Page to be Programmed
= Program Word Count
Write Abort Reset CMD
to return to Read mode
Write Reset CMD
to return to Read mode
Figure 8-27
Write Buffer Program Flowchart
52