M29W640GT70NA6F NUMONYX, M29W640GT70NA6F Datasheet - Page 22

• Manufacturer Part Number: M29W640GT70NA6F
• Description: 64MB FLASH MEMORY
• Manufacturer: NUMONYX

Bus operations
Table 8.
1. X = V
Table 9.
1. A9 = V
2. A12- A21 must be set to the block address.
22/91
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
Manufacturer code
Device code (cycle 1)
Device code (cycle 2)
Device code (cycle 3)
Extended memory block verify code
Block protection status
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
01h
0Eh
0Fh
03h
00h
(1)
(2)
IH
M29W640GH,
M29W640GL
M29W640GT,
M29W640GB
M29W640GH,
M29W640GT
M29W640GL,
M29W640GT,
M29W640GL,
M29W640GH
M29W640GB
M29W640GB
DQ15A–1, DQ14-DQ0
Data Inputs/Outputs
0000h (unprotected)
0001h (protected)
A6-A0, DQ15A–1
Data Output
Data Input
BYTE = V
227Eh
0020h
2288h (factory locked)
2298h(factory locked)
Hi-Z
Hi-Z
04h
2208h (customer
2218h (customer
1Ch
1Eh
00h
02h
06h
(2)
lockable)
lockable)
220Ch
2210h
2201h
2200h
IL