参数资料
型号: M28W640ECT70ZB1E
厂商: STMICROELECTRONICS
元件分类: PROM
英文描述: 4M X 16 FLASH 3V PROM, 70 ns, PBGA48
封装: 6.39 X 10.50 MM, 0.75 MM PITCH, LEAD FREE, TFBGA-48
文件页数: 6/54页
文件大小: 957K
代理商: M28W640ECT70ZB1E
M28W640ECT, M28W640ECB
14/54
locked-down) state when the device is reset on
power-down. Table. 10 shows the protection sta-
tus after issuing a Block Lock-Down command.
Refer to the section, Block Locking, for a detailed
explanation.
Table 4. Commands
Note: 1. X = Don’t Care, RA=Read Address, RD=Read Data, SRD=Status Register Data, ID=Identifier (Manufacture and Device Code),
QA=Query Address, QD=Query Data, BA=Block Address, PA=Program Address, PD=Program Data, PRA=Protection Register Ad-
dress, PRD=Protection Register Data.
2. The signature addresses are listed in Tables 5, 6 and 7.
3. Program Addresses 1 and 2 must be consecutive Addresses differing only for A0.
4. Program Addresses 1,2,3 and 4 must be consecutive Addresses differing only for A0 and A1.
5. To be characterized.
Table 5. Read Electronic Signature
Note:
RP = VIH.
Commands
Cy
c
les
Bus Write Operations
1st Cycle
2nd Cycle
3rd Cycle
4th Cycle
5th Cycle
Op. Add Data
Op.
Add Data Op.
Add Data
Op. Add Data
Read Memory
Array
1+ Write
X
FFh
Read
RA
RD
Read Status
Register
1+ Write
X
70h
Read
X
SRD
Read Electronic
Signature
1+ Write
X
90h
Read SA(2)
IDh
Read CFI Query
1+ Write
X
98h
Read
QA
QD
Erase
2
Write
X
20h
Write
BA
D0h
Program
2
Write
X
40h or
10h
Write
PA
PD
Double Word
Program(3)
3
Write
X
30h
Write
PA1
PD1
Write
PA2
PD2
Quadruple Word
Program(4)
5Write
X
56h(5) Write
PA1
PD1
Write
PA2
PD2
Write
PA3
PD3 Write
PA4
PD4
Clear Status
Register
1
Write
X
50h
Program/Erase
Suspend
1Write
X
B0h
Program/Erase
Resume
1Write
X
D0h
Block Lock
2
Write
X
60h
Write
BA
01h
Block Unlock
2
Write
X
60h
Write
BA
D0h
Block Lock-Down
2
Write
X
60h
Write
BA
2Fh
Protection
Register Program
2Write
X
C0h
Write
PRA
PRD
Code
Device
E
G
W
A0
A1
A2-A7
A8-A21
DQ0-DQ7
DQ8-DQ15
Manufacture
Code
VIL
VIH
VIL
0
Don’t Care
20h
00h
Device Code
M28W640ECT
VIL
VIH
VIL
0
Don’t Care
48h
88h
M28W640ECB
VIL
VIH
VIL
0
Don’t Care
49h
88h
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M28W640ECT85N1E 4M X 16 FLASH 3V PROM, 85 ns, PDSO48
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M28W640FCB70N6 制造商:STMicroelectronics 功能描述:
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