m29dw640f Numonyx, m29dw640f Datasheet - Page 19

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m29dw640f

Manufacturer Part Number
m29dw640f
Description
64 Mbit 8mb X8 Or 4mb X16, Multiple Bank, Page, Boot Block 3v Supply Flash Memory
Manufacturer
Numonyx
Datasheet

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M29DW640F
Table 4.
1. X = V
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
Block
addrs
A21-
Bank
Bank
A12
A
IL
(1)
V
V
A3
V
V
V
V
IH
IH
IL
IL
IL
IL
Command address
Address Inputs
V
V
A2
V
V
V
V
Cell address
IH
IH
IL
IL
IL
IL
X
X
V
V
V
V
A1
V
V
IH
IH
IH
IH
IL
IL
V
V
V
A0
V
V
V
IH
IH
IH
IL
IL
IL
others =X
DQ15A-1
A9 = V
A6 = V
Others,
ID
IL
,
DQ14
-DQ8
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Data Inputs/Outputs
80h (factory locked)
00h (unprotected)
00h (not locked)
Bus operations
01h (protected)
Data Output
Data Input
DQ7-DQ0
Hi-Z
Hi-Z
7Eh
20h
02h
01h
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