参数资料
型号: W19B320BTT7H
厂商: Winbond Electronics
文件页数: 28/51页
文件大小: 0K
描述: IC FLASH 32MBIT 70NS 48TSOP
标准包装: 96
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-TFSOP(0.724",18.40mm 宽)
供应商设备封装: 48-TSOP
包装: 托盘
其它名称: W19B320BTT-H
W19B320BTT-H-ND
W19B320BT/B DATASHEET
7.5.4
Command Definitions
COMMAND
BUS CYCLES (note 2-5)
SEQUENCE
(note 1 )
CYCLE
FIRST
ADDR DATA
SECOND
ADDR DATA
THIRD
ADDR DATA
FOURTH
ADDR DATA
FIFTH SIXTH
ADDR DATA ADDR D ATA
Read (note 6)
Reset (note 7)
1
1
RA
XXX
RD
F0
Normal
Program
Unlock Bypass
Word
Byte
Word
Byte
4
3
555
AAA
555
AAA
AA
AA
2AA
555
2AA
555
55
55
555
AAA
555
AAA
A0
20
PA
PD
Unlock Bypass
Program (note 11)
Unlock Bypass Reset
(note12)
2
2
XXX
XXX
A0
90
PA
XXX
PD
00
Chip Erase
Sector Erase
Word
Byte
Word
Byte
6
6
555
AAA
555
AAA
AA
AA
2AA
555
2AA
555
55
55
555
AAA
555
AAA
80
80
555
AAA
555
AAA
AA
AA
2AA
555
2AA
555
55
55
555
AAA
SA
10
30
Byte
Manufacturer Word
Code
4
555
AAA
AA
2AA
555
55
555
AAA
90
X00
DA
Device
Code
Word
Byte
4
555
AAA
AA
2AA
555
55
55
AAA
90
X01
X02
(note
16)
Security
Word
555
2AA
555
X03
Sector Factory
Protect (Note
9)
Byte
4
AAA
AA
555
55
AAA
90
X06
82/02
Sector/Sect
or Block
Protect
Verify (note
10)
Word
Byte
4
555
AAA
AA
2AA
555
55
555
AAA
90
X02
X04
00/01
Enter Security
Sector Region
Word
Byte
3
555
AAA
AA
2AA
555
55
555
AAA
88
Exit Security
Sector Region
Word
Byte
4
555
AAA
AA
2AA
555
55
555
AAA
90
XXX
00
Common Flash
Interface (CFI)
Query (note 15)
Word
Byte
1
55
AA
98
Legend:
X = Don’t Care
RA = Address of the memory location to be read.
PA = Address of the memory location to be programmed. Addresses latch on the falling edge of the #WE or #CE pulse, whichever
happens later.
PD = Data to be programmed at location PA. Data latches on the rising edge of #WE or #CE pulse, whichever happens first.
RD = Data read from location RA during read operation.
SA = Address of the sector to be verified (in AUTOSELECT mode) or erased. Address bits A20-A12 uniquely select any sector.
Notes:
1. See Bus Operations Table for details.
2. All values are in hexadecimal.
Publication Release Date:Dec, 22, 2008
- 28 -
Revisionv A5
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