M29W640GB NUMONYX [Numonyx B.V], M29W640GB Datasheet - Page 22

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

Bus operations
Table 8.
1. X = V
Table 9.
1. A9 = V
2. A12- A21 must be set to the block address.
22/90
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
Device Code (cycle 1)
Device Code (cycle 2)
Device Code (cycle 3)
Extended Memory Block Verify Code
Block Protection Status
Manufacturer Code
Operation
IL
ID
or V
; other address bits set to V
IH
Bus Operations, BYTE = V
Read Electronic Signature addresses
.
Code
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
IL
or V
IH
.
IH
Command Address
(1)
Address Inputs
Cell Address
M29W640GH, M29W640GL, M29W640GT, M29W640GB
BYTE = V
A0-A21
Table 9
A7-A0
02h
X
X
0Eh
0Fh
00h
01h
03h
(1)
(2)
IH
M29W640GH,
M29W640GL
M29W640GT,
M29W640GB
M29W640GH,
M29W640GT
M29W640GL,
M29W640GT,
M29W640GL,
M29W640GB
M29W640GB
M29W640GH
DQ15A–1, DQ14-DQ0
Data Inputs/Outputs
0000h (unprotected)
0001h (protected)
A6-A0,
Data Output
Data Input
BYTE = V
2298h(Factory Locked)
2288h (Factory locked)
227Eh
0020h
Hi-Z
Hi-Z
04h
2208h (Customer
2218h (Customer
1Ch
1Eh
00h
02h
06h
DQ15A–1
(2)
Lockable)
Lockable)
220Ch
2210h
2201h
2200h
IL