W19L320STT9F
| Model | W19L320STT9F |
| Description | Flash, 2MX16, 90ns, PDSO48, TSOP-48 |
| PDF file | Total 52 pages (File size: 2M) |
| Chip Manufacturer | WINBOND |
W19B(L)320ST/B
9.7 Chip/Sector Erase Waveform
Erase Command Sequence (last two cycles)
T
WC
Address
#CE
T
CH
#OE
#WE
Data
RY/#BY
VDD
Read Status Data
T
AS
SA
555h for chip erase
2AAh
VA
T
AH
VA
T
WP
T
CS
T
WPH
T
DS
T
SE
30h
In
Progress
T
DH
10 for Chip Erase
55h
Complete
T
BUSY
T
RB
T
VCS
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 #Data Polling Waveform (During Embedded Algorithms)
T
RC
Addresses
VA
ACC
T
VA
VA
#CE
T
CH
#OE
T
OEH
#WE
DQ7
DQ0-DQ6
RY/#BY
T
BUSY
T
CE
T
OE
T
DF
T
OH
Complement
Complement
High Z
True
True
Valid Data
Valid Data
High Z
Status Data
Status Data
Note:
VA= Valid Address. Illustration shows first status cycle after command sequence, last status read cycle, and array data
read cycle.
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Publication Release Date: March 23, 2004
Revision A2
