M29W640GB NUMONYX [Numonyx B.V], M29W640GB Datasheet - Page 21

• Manufacturer Part Number: M29W640GB
• Description: 64 Mbit (8Mb x8 or 4Mb x16, Page) 3V supply Flash memory
• Manufacturer: NUMONYX [Numonyx B.V]

M29W640GH, M29W640GL, M29W640GT, M29W640GB
Table 7.
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)
Read Extended
Memory Block
Verify Code
Read Block
Protection Status
Operation
IL
or V
IH
Bus Operations, BYTE = V
.
V
V
V
V
V
V
V
E
X
IH
IL
IL
IL
IL
IL
IL
V
V
V
V
V
V
V
G
X
IH
IH
IL
IL
IL
IL
IL
V
V
V
V
V
V
V
W
X
IH
IH
IH
IH
IH
IH
IL
Command Address
DQ15A–1, A0-A21
Address Inputs
IL
Cell Address
(1)
Table 9
X
X
DQ14-
DQ8
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
M29W640GH,
M29W640GH,
M29W640GT,
M29W640GL,
M29W640GL,
M29W640GT,
M29W640GH
M29W640GB
M29W640GT
M29W640GB
M29W640GB
M29W640GL
Data Inputs/Outputs
00h (unprotected)
01h (protected)
Data Output
Data Input
DQ7-DQ0
Hi-Z
Hi-Z
20h
88h (Factory locked)
98h(Factory Locked)
7Eh
08h (Customer
18h (Customer
Bus operations
Lockable)
Lockable)
10h
00h
0Ch
01h
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