w19b320b Winbond Electronics Corp America, w19b320b Datasheet - Page 48

• Manufacturer Part Number: w19b320b
• Description: W19b320bt/b Datasheet
• Manufacturer: Winbond Electronics Corp America

9.7
Notes :
9.8
Addresses
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
Address
RY/#BY
#WE
Chip/Sector Erase Waveform
Back-to back Read/Write Cycle Waveform
#OE
Data
#CE
Data
#WE
#CE
#OE
VDD
#WE Controlled Write Cycle
T
T
WPH
VCS
Valid PA
T
T
CS
Erase Command Sequence (last two cycles)
2AAh
AH
T
T
T
T
WC
WP
WC
Valid
DS
In
T
WP
T
55h
DS
T
CH
T
OEH
T
DH
T
T
555h for chip erase
10 for Chip Erase
WPH
Valid RA
DH
T
SR/W
T
T
T
AS
RC
ACC
T
SA
CE
Read Cycle
T
OE
- 48 -
W19B320BT/B DATASHEET
30h
T
AH
Valid
Out
T
OH
T
T
BUSY
T
DF
GHWL
T
Publication Release Date:Dec.25, 2007
WC
Valid PA
T
SE
#CE Controlled Write Cycle
Read Status Data
Valid
In
VA
T
Progress
CPH
In
Valid PA
T
Valid
WC
In
Complete
T
VA
T
CP
RB
Revisionv A3