m29w400b-100za6tr STMicroelectronics, m29w400b-100za6tr Datasheet - Page 20

• Manufacturer Part Number: m29w400b-100za6tr
• Description: 64 Mbit 8mb X8 Or 4mb X16, Multiple Bank, Boot Block 3v Supply Flash Memory
• Manufacturer: STMicroelectronics

Bus operations
Table 5.
1. X = V
20/74
Bus Read
Bus Write
Output Disable
Standby
Read Manufacturer
Code
Read Device Code
(Cycle 1)
Read Device Code
(Cycle 2)
Read Device Code
(Cycle 3)
Extended Block
Indicator Bit
(DQ7)
Block Protection
Verification
Operation
IL
or V
IH
Bus operations, BYTE = V
.
V
V
V
V
V
V
V
V
V
E
X
IH
IL
IL
IL
IL
IL
IL
IL
IL
V
V
V
V
V
V
V
V
V
G
X
IH
IH
IL
IL
IL
IL
IL
IL
IL
V
V
V
V
V
V
V
V
V
W
X
IH
IH
IH
IH
IH
IH
IH
IH
IL
addrs
addrs
Block
Bank
Bank
A21-
A12
A
IH
(1)
V
V
V
V
V
V
A3
IH
IH
IL
IL
IL
IL
Command address
Address Inputs
V
V
V
V
V
V
A2
Cell address
IH
IH
IL
IL
IL
IL
X
X
V
V
V
V
V
V
A1
IH
IH
IH
IH
IL
IL
V
V
V
A0
V
V
V
IH
IH
IH
IL
IL
IL
others =X
A9 = V
A6 = V
Others
ID
IL
,
0080h (factory locked)
DQ15A-1, DQ14-DQ0
Data Inputs/Outputs
0000h (unprotected)
0000h (not locked)
0001h (protected)
Data Output
Data Input
227Eh
0020h
2202h
2201h
Hi-Z
Hi-Z
M29DW640F