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M29W640FT Datasheet(PDF) 17 Page - Numonyx B.V

Part # M29W640FT
Description  64 Mbit (8Mb x8 or 4Mb x16, Page, Boot Block) 3V Supply Flash Memory
Download  71 Pages
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Manufacturer  NUMONYX [Numonyx B.V]
Direct Link  http://www.numonyx.com
Logo NUMONYX - Numonyx B.V

M29W640FT Datasheet(HTML) 17 Page - Numonyx B.V

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M29W640FT, M29W640FB
Bus operations
17/71
Table 4.
Bus operations, BYTE = VIL
(1)
Operation
E
G
W
Address Inputs
DQ15A–1, A0-A21
Data Inputs/Outputs
DQ14-DQ8
DQ7-DQ0
Bus Read
VIL
VIL
VIH Cell address
Hi-Z
Data Output
Bus Write
VIL VIH
VIL Command address
Hi-Z
Data Input
Output Disable
X
VIH VIH X
Hi-Z
Hi-Z
Standby
VIH
X
X
X
Hi-Z
Hi-Z
Read Manufacturer Code
VIL
VIL
VIH
A0-A3 = VIL, A6 = VIL,
A9 = VID, Others VIL or VIH
Hi-Z
20h
Read Device Code
VIL
VIL
VIH
A0 = VIH, A1-A3= VIL,
A6 = VIL, A9 = VID,
Others VIL or VIH
Hi-Z
EDh (M29W640FT)
FDh (M29W640FB)
Read Extended Memory
Block Verify Code
VIL
VIL
VIH
A0 -A1 = VIH, A2-A3= VIL,
A6 = VIL, A9 = VID,
Others VIL or VIH
Hi-Z
80h (Factory Locked)
00h (Customer Lockable)
Read Block Protection
Status
VIL
VIL
VIH
A0,A2,A3, A6= VIL,
A1= VIH, A9 = VID,
A12-A21 = Block address,
Others VIL or VIH
Hi-Z
01h (protected)
00h (unprotected)
1.
X = VIL or VIH.
Table 5.
Bus operations, BYTE = VIH
(1)
Operation
E
G
W
Address Inputs
A0-A21
Data Inputs/Outputs
DQ15A–1, DQ14-DQ0
Bus Read
VIL
VIL
VIH Cell address
Data Output
Bus Write
VIL
VIH
VIL
Command address
Data Input
Output Disable
X
VIH
VIH XHi-Z
Standby
VIH
XX
X
Hi-Z
Read Manufacturer Code
VIL
VIL
VIH
A0-A3 = VIL, A6 = VIL,
A9 = VID, Others VIL or VIH
0020h
Read Device Code
VIL
VIL
VIH
A0 = VIH, A1-A3= VIL, A6 = VIL,
A9 = VID, Others VIL or VIH
22EDh (M29W640FT)
22FDh (M29W640FB)
Read Extended Memory
Block Verify Code
VIL
VIL
VIH
A0 -A1 = VIH, A2-A3= VIL,
A6 = VIL, A9 = VID,
Others VIL or VIH
80h (Factory Locked)
00h (Customer Lockable)
Read Block Protection
Status
VIL
VIL
VIH
A0,A2,A3, A6= VIL, A1 = VIH, A9 = VID,
A12-A21 = Block address,
Others VIL or VIH
0001h (protected)
0000h (unprotected)
1.
X = VIL or VIH.


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