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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： 1/53页
文件大小： 479K
代理商： W19B320ATT7M
W19B320AT/B Data Sheet
4M
× 8/2M × 16 BITS
3V FLEXIBLE BANK FLASH MEMORY
Publication Release Date: December 27, 2005
- 1 -
Revision A4
Table of Contents-
1.
GENERAL DESCRIPTION ......................................................................................................... 4
2.
FEATURES ................................................................................................................................. 4
3.
PIN CONFIGURATIONS ............................................................................................................ 5
4.
BLOCK DIAGRAM ...................................................................................................................... 6
5.
PIN DESCRIPTION..................................................................................................................... 6
6.
FUNCTIONAL DESCRIPTION ................................................................................................... 7
6.1
Device Bus Operation..................................................................................................... 7
6.1.1
Word/Byte Configuration ..................................................................................................7
6.1.2
Reading Array Data ..........................................................................................................7
6.1.3
Writing Commands/Command Sequences.......................................................................7
6.1.4
Simultaneous Read/Write Operations with Zero Latency .................................................8
6.1.5
Standby Mode ..................................................................................................................8
6.1.6
Automatic Sleep Mode .....................................................................................................8
6.1.7
#RESET: Hardware Reset Pin..........................................................................................9
6.1.8
Output Disable Mode........................................................................................................9
6.1.9
Autoselect Mode...............................................................................................................9
6.1.10
Sector/Sector Block Protection and Unprotection...........................................................9
6.1.11
Write Protect (#WP) .....................................................................................................10
6.1.12
Temporary Sector Unprotect ........................................................................................10
6.1.13
Security Sector Flash Memory Region .........................................................................10
6.1.14
Hardware Data Protection ............................................................................................11
6.2
Command Definitions ................................................................................................... 12
6.2.1
Reading Array Data ........................................................................................................12
6.2.2
Reset Command.............................................................................................................12
6.2.3
AUTOSELECT Command Sequence .............................................................................13
6.2.4
Byte/Word Program Command Sequence......................................................................13
6.2.5
Unlock Bypass Command Sequence .............................................................................14
6.2.6
Chip Erase Command Sequence ...................................................................................14
6.2.7
Sector Erase Command Sequence ................................................................................14
6.2.8
Erase Suspend/Erase Resume Commands ...................................................................15
6.3
Write Operation Status ................................................................................................. 16
6.3.1
DQ7: #Data Polling.........................................................................................................16
6.3.2
RY/#BY: Ready/#Busy ...................................................................................................16
6.3.3
DQ6: Toggle Bit I............................................................................................................16
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相关代理商/技术参数
参数描述
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
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