M28W160ECB データシートの表示（PDF） - Numonyx -> Micron
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M28W160ECB Datasheet PDF : 50 Pages
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M28W160ECT, M28W160ECB
Table 3. Commands
Bus Write Operations
Commands
No. of
Cycles
1st Cycle
Bus
Op.
Addr Data
2nd Cycle
Bus
Op.
Addr
Data
3nd Cycle
Bus
Op.
Addr
Data
Read Memory Array
1+
Write
X
FFh Read
Read
Addr
Data
Read Status Register
1+
Write
X
70h Read
X
Status
Register
Signature
Read Electronic Signature 1+
Write
X
90h Read Addr (2) Signature
Read CFI Query
1+
Write
X
98h Read CFI Addr Query
Erase
2
Write
X
20h Write
Block
Addr
D0h
Program
2
Write
X
40h or
10h
Write
Addr
Data
Input
Double Word Program(3)
3
Write X
30h Write Addr 1
Data
Input
Write
Addr 2
Data
Input
Clear Status Register
1
Write X 50h
Program/Erase Suspend
1
Write X B0h
Program/Erase Resume
1
Write X D0h
Block Lock
2
Write
X
60h
Write
Block
Address
01h
Block Unlock
2
Write
X
60h
Write
Block
Address
D0h
Block Lock-Down
2
Write
X
60h
Write
Block
Address
2Fh
Protection Register
Program
2
Write X C0h Write Address
Note: 1. X = Don't Care.
2. The signature addresses are listed in Tables 4, 5 and 6.
3. Addr 1 and Addr 2 must be consecutive Addresses differing only for A0.
Data
Input
Table 4. Read Electronic Signature
Code
Device
E G W A0 A1 A2-A7 A8-A19 DQ0-DQ7 DQ8-DQ15
Manufacture.
Code
VIL VIL VIH VIL VIL
0
Don't Care
20h
00h
M28W160ECT VIL VIL VIH VIH VIL
0
Don't Care
CEh
88h
Device Code
M28W160ECB VIL VIL VIH VIH VIL
0
Don't Care
CFh
88h
Note: RP = VIH.
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