M28W160ECT Datasheet, PDF (14/50 Pages) STMicroelectronics – 16 Mbit (1Mb x16, Boot Block) 3V Supply Flash Memory

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
Read Electronic Signature 1+
Write X
Signature
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 Data Input
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.
Table 4. Read Electronic Signature
Code
Device
E G W A0 A1 A2-A7 A8-A19 DQ0-DQ7 DQ8-DQ15
Manufacture.
Code
V_IL V_IL V_IH V_IL V_IL
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 = V_IH.
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