参数资料
型号: W19B320ATT7M
厂商: WINBOND ELECTRONICS CORP
元件分类: PROM
英文描述: 2M X 16 FLASH 3V PROM, 70 ns, PDSO48
封装: 12 X 20 MM, LEAD FREE, TSOP-48
文件页数: 28/53页
文件大小: 479K
代理商: W19B320ATT7M
W19B320AT/B
- 34 -
7.10 Erase Algorithm
START
Write Program
Command Sequence
Data Poll to Erasing
Bank from System
Data=FFh?
Erase Completed
(Note1,2)
No
Yes
Embedded
Erase
algorithm
in progress
Notes:
1.
See Command Definitions Table for erase command sequence details.
2. See DQ3 section for the sector erase timer details.
7.11 Data Polling Algorithm
START
Read DQ7-DQ0
Addr=VA
DQ7=Data?
No
DQ5=1?
Yes
No
DQ7=Data?
Read DQ7-DQ0
Addr=VA
FAIL
PASS
Yes
No
Notes:
1. VA = Valid address for programming. During a sector erase operation; a valid address is any sector address within the
sector being erased. During chip erase, a valid address is any non-protected sector address.
2. DQ7 should be rechecked even if DQ5 = “1” because DQ7 may change simultaneously with DQ5.
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相关代理商/技术参数
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W19B320B 制造商:WINBOND 制造商全称:Winbond 功能描述:32Mbit, 2.7~3.6-volt single bank CMOS flash memory
W19B320BB 制造商:WINBOND 制造商全称:Winbond 功能描述:32Mbit, 2.7~3.6-volt single bank CMOS flash memory
W19B320BB-H 制造商:WINBOND 制造商全称:Winbond 功能描述:2.7~3.6-volt write (program and erase) operations
W19B320BB-M 制造商:WINBOND 制造商全称:Winbond 功能描述:2.7~3.6-volt write (program and erase) operations
W19B320BT 制造商:WINBOND 制造商全称:Winbond 功能描述:32Mbit, 2.7~3.6-volt single bank CMOS flash memory