W19B320BT Datasheet, PDF (48/56 Pages) Winbond – 2.7~3.6-volt write (program and erase) operations

W19B320BT/B DATASHEET
9.7 Chip/Sector Erase Waveform
Address
#CE
#OE
#WE
Data
RY/#BY
VDD
TVCS
Erase Command Sequence (last two cycles)
T_WC
2AAh
T_AS
SA
555h for chip erase
TAH
TCH
TWP
TCS
TDS
55h
TWPH
TDH
30h
10 for Chip Erase
TBUSY
Read Status Data
VA
VA
TSE
In
Progress
Complete
TRB
Notes :
1. SA = sector address (for Sector Erase), VA = Valid Address for reading status data (see “Write operation Status”).
2. These waveforms are for the word mode
9.8 Back-to back Read/Write Cycle Waveform
Addresses
#CE
#OE
#WE
Data
TWC
Valid PA
TAH
TWPH
T_WP
TDS
Valid
In
#WE Controlled Write Cycle
TRC
Valid RA
TACC
T_CE
T_OE
T_OEH
T WC
Valid PA
T WC
Valid PA
T_CPH
T_CP
T_GHWL
T_DF
T_OH
T_DH
Valid
Out
T_SR/W
Read Cycle
Valid
In
Valid
In
#CE Controlled Write Cycle
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Publication Release Date:Dec.25, 2007
Revisionv A3