參數(shù)資料
型號: M29F400BT45M1E
廠商: STMICROELECTRONICS
元件分類: PROM
英文描述: 256K X 16 FLASH 5V PROM, 45 ns, PDSO44
封裝: 0.525 INCH, LEAD FREE, PLASTIC, SOP-44
文件頁數(shù): 13/40頁
文件大?。?/td> 371K
代理商: M29F400BT45M1E
Command interface
M29F400BT, M29F400BB
The Command Interface only uses A–1, A0-A10 and DQ0-DQ7 to verify the commands;
A11-A17, DQ8-DQ14 and DQ15 are Don’t Care. DQ15A–1 is A–1 when BYTE is VIL or
DQ15 when BYTE is VIH.
4.11
Read/Reset
After a Read/Reset command, read the memory as normal until another command is
issued.
4.12
Auto Select
After an Auto Select command, read Manufacturer ID, Device ID or Block Protection Status.
4.13
Program, Unlock Bypass Program, Chip Erase, Block Erase
After these commands read the Status Register until the Program/Erase Controller
completes and the memory returns to Read Mode. Add additional Blocks during Block
Erase Command with additional Bus Write Operations until Timeout Bit is set.
Table 5.
Commands, 8-bit mode, BYTE = VIL
(1) (2)
1.
X = Don’t Care, PA = Program Address, PD = Program Data, BA = Any address in the Block.
2.
All values are in hexadecimal.
Command
Len
g
th
Bus Write Operations
1st
2nd
3rd
4th
5th
6th
Addr Data Addr Data Addr Data Addr Data Addr Data Addr Data
Read/Reset
1X
F0
3
AAA
AA
555
55
X
F0
Auto Select
3
AAA
AA
555
55
AAA
90
Program
4
AAA
AA
555
55
AAA
A0
PA
PD
Unlock Bypass
3
AAA
AA
555
55
AAA
20
Unlock Bypass
Program
2
X
A0
PA
PD
Unlock Bypass
Reset
2X
90
X
00
Chip Erase
6
AAA
AA
555
55
AAA
80
AAA
AA
555
55
AAA
10
Block Erase
6+ AAA
AA
555
55
AAA
80
AAA
AA
555
55
BA
30
Erase Suspend
1
X
B0
Erase Resume
1
X
30
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