m29w400d Numonyx, m29w400d Datasheet - Page 18

• Manufacturer Part Number: m29w400d
• Description: 4 Mbit 512 Kb X 8 Or 256 Kb X 16, Boot Block 3 V Supply Flash Memory
• Manufacturer: Numonyx

Bus operations
18/48
Table 3.
1. X = V
Bus Read
Bus Write
Output Disable
Standby
Read manufacturer
code
Read device code
Operation
IL
or V
IH
Bus operations, BYTE = V
.
V
V
V
V
V
E
X
IH
IL
IL
IL
IL
V
V
V
V
V
G
X
IH
IH
IL
IL
IL
V
V
V
V
V
W
X
IH
IH
IH
IH
IH
IL
Cell address
Command address
X
X
A0 = V
A9 = V
others V
A0 = V
A9 = V
others V
Address inputs
IL
ID
IH
ID
A0-A17
, A1 = V
,
IL
,
IL
, A1 = V
or V
or V
IH
IH
IL
IL
,
,
M29W400DT, M29W400DB
DQ15A–1, DQ14-DQ0
00EEh (M29W400DT)
00EFh (M29W400DB)
Data inputs/outputs
Data output
Data input
0020h
Hi-Z
Hi-Z