参数资料
型号: W19B320SBB9B
厂商: WINBOND ELECTRONICS CORP
元件分类: PROM
英文描述: 2M X 16 FLASH 3V PROM, 90 ns, PBGA48
封装: TFBGA-48
文件页数: 40/52页
文件大小: 1869K
代理商: W19B320SBB9B
W19B(L)320ST/B
Publication Release Date: March 23, 2004
- 45 -
Revision A2
9.7 Chip/Sector Erase Waveform
2AAh
SA
VA
TWC
TAS
TCH
TAH
TWP
TCS
TDS
TDH
TWPH
TSE
Erase Command Sequence (last two cycles)
Read Status Data
30h
55h
TBUSY
TRB
TVCS
Progress
In
Complete
10 for Chip Erase
555h for chip erase
Address
Data
VDD
RY/#BY
#WE
#OE
#CE
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)
TRC
Valid Data
VA
TCE
TACC
TOE
T OEH
TBUSY
TOH
TCH
TDF
Addresses
DQ0-DQ6
VA
Valid Data
High Z
DQ7
Status Data
Complement
True
Status Data
Complement
True
RY/#BY
#WE
#OE
#CE
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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