参数资料
型号: W19B320SBB9B
厂商: WINBOND ELECTRONICS CORP
元件分类: PROM
英文描述: 2M X 16 FLASH 3V PROM, 90 ns, PBGA48
封装: TFBGA-48
文件页数: 22/52页
文件大小: 1869K
代理商: W19B320SBB9B
W19B(L)320ST/B
Publication Release Date: March 23, 2004
- 29 -
Revision A2
7.4 Command Definitions
BUS CYCLES (NOTE 2-5)
FIRST
SECOND
THIRD
FOURTH
FIFTH
SIXTH
COMMAND SEQUENCE
(NOTE 1)
CYCLE
ADDR
DATA
ADDR
DATA
ADDR
DATA
ADDR
DATA
ADDR
DATA
ADDR
DATA
Read (note 6)
1
RA
RD
Reset (note 7)
1
XXX
F0
Word
555
2AA
555
Normal Program
Byte
4
AAA
AA
555
55
AAA
A0
PA
PD
Word
555
2AA
555
Unlock Bypass
Byte
3
AAA
AA
555
55
AAA
20
Unlock Bypass Program
(Note 11)
2
XXX
A0
PA
PD
Unlock Bypass Reset
(note12)
2
XXX
90
XXX
00
Word
555
2AA
555
2AA
555
Chip Erase
Byte
6
AAA
AA
555
55
AAA
80
AAA
AA
555
55
AAA
10
Word
555
2AA
555
2AA
Sector Erase
Byte
6
AAA
AA
555
55
AAA
80
AAA
AA
555
55
SA
30
Erase Suspend (note 13)
1
XXX
B0
Erase Resume (note 14)
1
XXX
30
Word
555
2AA
555
Manufacturer
Code
Byte
4
AAA
AA
555
55
AAA
90
X00
DA
Word
555
2AA
55
X01
Device Code
Byte
4
AAA
AA
555
55
AAA
90
X02
(note 16)
Word
555
2AA
555
X03
Security Sector
Factory Protect
(Note 9)
Byte
4
AAA
AA
555
55
AAA
90
X06
99/19
Word
555
2AA
555
X02
AUTO
SELECT(note8)
Sector/Secto
r Block
Protect
Verify (note
10)
Byte
4
AAA
AA
555
55
AAA
90
X04
00/01
Word
555
2AA
555
Enter Security
Sector Region
Byte
3
AAA
AA
555
55
AAA
88
Word
555
2AA
555
Exit Security
Sector Region
Byte
4
AAA
AA
555
55
AAA
90
XXX
00
Word
55
Common Flash
Interface (CFI)
Query (note 15)
Byte
1
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.
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