M29W640GB NUMONYX [Numonyx B.V], M29W640GB Datasheet - Page 39

• 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
Figure 8.
1. For a Chip Erase command, addresses and data are 555h and 10h, respectively, while they are BA and 30h for a Block
2. BA is the block address.
3. See
Erase command.
Table 19: Write ac characteristics
DQ0-DQ7/
DQ8-DQ15
A0-A20/
A–1
E
G
W
Chip/Block Erase waveforms (8-bit mode)
tGHWL
tAVAV
tELWL
tWLWH
tDVWH
tAVWL
555h
and
AAh
Table 18: Read ac characteristics
tWHEH
tWHDX
2AAh
tWHWL
55h
tWLAX
555h
80h
555h
for details on the timings.
AAh
2AAh
55h
555h/BA
(1)
10h/
30h
Command Interface
AI12781
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