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参数资料
型号： W19L320STT9B
厂商： WINBOND ELECTRONICS CORP
元件分类： PROM
英文描述： 2M X 16 FLASH 3.3V PROM, 90 ns, PDSO48
封装： TSOP-48
文件页数： 1/52页
文件大小： 1869K
代理商： W19L320STT9B
W19B(L)320ST/B Data Sheet
4M
× 8/2M × 16 3V(3.3V) FLASH MEMORY
Publication Release Date: March 23, 2004
- 1 -
Revision A2
Table of Contents-
1.
GENERAL DESCRIPTION ......................................................................................................... 4
2.
FEATURES ................................................................................................................................. 4
3.
PIN CONFIGURATIONS ............................................................................................................ 5
4.
BLOCK DIAGRAM ...................................................................................................................... 5
5.
PIN DESCRIPTION..................................................................................................................... 5
6.
FUNCTIONAL DESCRIPTION ................................................................................................... 6
6.1
Device Bus Operation..................................................................................................... 6
6.1.1
Word/Byte Configuration ..................................................................................................6
6.1.2
Reading Array Data ..........................................................................................................6
6.1.3
Writing Commands/Command Sequences.......................................................................6
6.1.4
Standby Mode ..................................................................................................................7
6.1.5
Automatic Sleep Mode .....................................................................................................7
6.1.6
#RESET: Hardware Reset Pin..........................................................................................7
6.1.7
Output Disable Mode........................................................................................................8
6.1.8
Autoselect Mode...............................................................................................................8
6.1.9
Sector/Sector Block Protection and Unprotection.............................................................8
6.1.10
Write Protect (#WP) .......................................................................................................8
6.1.11
Temporary Sector Unprotect ..........................................................................................9
6.1.12
Security Sector Flash Memory Region ...........................................................................9
6.1.13
Hardware Data Protection ............................................................................................10
6.2
Command Definitions ................................................................................................... 10
6.2.1
Reading Array Data ........................................................................................................11
6.2.2
Reset Command.............................................................................................................11
6.2.3
Autoselect Command Sequence ....................................................................................11
6.2.4
Enter Security Sector/Exit Security Sector Command Sequence ...................................12
6.2.5
Byte/Word Program Command Sequence......................................................................12
6.2.6
Unlock Bypass Command Sequence .............................................................................12
6.2.7
Chip Erase Command Sequence ...................................................................................13
6.2.8
Sector Erase Command Sequence ................................................................................13
6.2.9
Erase Suspend/Erase Resume Commands ...................................................................14
6.3
Write Operation Status ................................................................................................. 14
6.3.1
DQ7: #Data Polling.........................................................................................................14
6.3.2
RY/#BY: Ready/#Busy ...................................................................................................15
6.3.3
DQ6: Toggle Bit I............................................................................................................15
6.3.4
DQ2: Toggle Bit II...........................................................................................................16
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