参数资料
型号: W19B320ATB7H
厂商: Winbond Electronics
文件页数: 1/53页
文件大小: 0K
描述: IC FLASH 32MBIT 70NS 48TFBGA
标准包装: 210
格式 - 存储器: 闪存
存储器类型: FLASH
存储容量: 32M(4M x 8,2M x 16)
速度: 70ns
接口: 并联
电源电压: 2.7 V ~ 3.6 V
工作温度: -20°C ~ 85°C
封装/外壳: 48-TFBGA
供应商设备封装: 48-TFBGA(6x8)
包装: 托盘
W19B320AT/B Data Sheet
4M × 8/2M × 16 BITS
3V FLEXIBLE BANK FLASH MEMORY
Table of Contents-
1.
2.
3.
4.
5.
6.
GENERAL DESCRIPTION ......................................................................................................... 4
FEATURES ................................................................................................................................. 4
PIN CONFIGURATIONS ............................................................................................................ 5
BLOCK DIAGRAM ...................................................................................................................... 6
PIN DESCRIPTION..................................................................................................................... 6
FUNCTIONAL DESCRIPTION ................................................................................................... 7
6.1
Device Bus Operation..................................................................................................... 7
6.1.1
6.1.2
6.1.3
6.1.4
6.1.5
6.1.6
6.1.7
6.1.8
6.1.9
6.1.10
6.1.11
6.1.12
6.1.13
6.1.14
Word/Byte Configuration ..................................................................................................7
Reading Array Data ..........................................................................................................7
Writing Commands/Command Sequences.......................................................................7
Simultaneous Read/Write Operations with Zero Latency .................................................8
Standby Mode ..................................................................................................................8
Automatic Sleep Mode .....................................................................................................8
#RESET: Hardware Reset Pin..........................................................................................9
Output Disable Mode........................................................................................................9
Autoselect Mode...............................................................................................................9
Sector/Sector Block Protection and Unprotection...........................................................9
Write Protect (#WP) .....................................................................................................10
Temporary Sector Unprotect ........................................................................................10
Security Sector Flash Memory Region .........................................................................10
Hardware Data Protection ............................................................................................11
6.2
Command Definitions ................................................................................................... 12
6.2.1
6.2.2
6.2.3
6.2.4
6.2.5
6.2.6
6.2.7
6.2.8
Reading Array Data ........................................................................................................12
Reset Command.............................................................................................................12
AUTOSELECT Command Sequence .............................................................................13
Byte/Word Program Command Sequence......................................................................13
Unlock Bypass Command Sequence .............................................................................14
Chip Erase Command Sequence ...................................................................................14
Sector Erase Command Sequence ................................................................................14
Erase Suspend/Erase Resume Commands ...................................................................15
6.3
Write Operation Status ................................................................................................. 16
6.3.1
6.3.2
6.3.3
DQ7: #Data Polling.........................................................................................................16
RY/#BY: Ready/#Busy ...................................................................................................16
DQ6: Toggle Bit I............................................................................................................16
Publication Release Date: December 27, 2005
-1-
Revision A4
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