M29DW323DT Datasheet, PDF (14/49 Pages) STMicroelectronics – 32 Mbit 4Mb x8 or 2Mb x16, Dual Bank 8:24, Boot Block 3V Supply Flash Memory

M29DW323DT, M29DW323DB
Table 3. Bus Operations, BYTE = V_IL
Operation
E
G
W
Bus Read
V_IL
V_IL
V_IH
Bus Write
V_IL
V_IH
V_IL
Output Disable
X
V_IH
V_IH
Standby
V_IH
X
X
Read Manufacturer
Code
V_IL
V_IL
V_IH
Read Device Code
V_IL
V_IL
V_IH
Extended Memory
Block Verify Code
Note: X = V_IL or V_IH.
V_IL
V_IL
V_IH
Address Inputs
DQ15A–1, A0-A20
Cell Address
Command Address
X
X
A0 = V_IL, A1 = V_IL, A9 = V_ID,
Others V_IL or V_IH
A0 = V_IH, A1 = V_IL,
A9 = V_ID, Others V_IL or V_IH
A0 = V_IH, A1 = V_IH, A6 = V_IL,
A9 = V_ID, Others V_IL or V_IH
Data Inputs/Outputs
DQ14-DQ8
DQ7-DQ0
Hi-Z
Data Output
Hi-Z
Data Input
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
20h
Hi-Z
5Eh (M29DW323DT)
5Fh (M29DW323DB)
Hi-Z
81h (factory locked)
01h (not factory locked)
Table 4. Bus Operations, BYTE = V_IH
Operation
E
G
W
Bus Read
V_IL
V_IL
V_IH
Bus Write
V_IL
V_IH
V_IL
Output Disable
X
V_IH
V_IH
Standby
V_IH
X
X
Read Manufacturer
Code
V_IL
V_IL
V_IH
Read Device Code
V_IL
V_IL
V_IH
Extended Memory
Block Verify Code
Note: X = V_IL or V_IH.
V_IL
V_IL
V_IH
Address Inputs
A0-A20
Cell Address
Command Address
X
X
A0 = V_IL, A1 = V_IL, A9 = V_ID,
Others V_IL or V_IH
A0 = V_IH, A1 = V_IL, A9 = V_ID,
Others V_IL or V_IH
A0 = V_IH, A1 = V_IH, A6 = V_IL,
A9 = V_ID, Others V_IL or V_IH
Data Inputs/Outputs
DQ15A–1, DQ14-DQ0
Data Output
Data Input
Hi-Z
Hi-Z
0020h
225Eh (M29DW323DT)
225Fh (M29DW323DB)
81h (factory locked)
01h (not factory locked)
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