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M28W640HCT Datasheet(PDF) 38 Page - Numonyx B.V

Part # M28W640HCT
Description  64 Mbit (4 Mb x 16, boot block) 3 V supply Flash memory
PDF  72 Pages
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Manufacturer  NUMONYX [Numonyx B.V]
Direct Link  http://www.numonyx.com
Logo NUMONYX - Numonyx B.V

M28W640HCT Datasheet(HTML) 38 Page - Numonyx B.V

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DC and AC parameters
M28W640HCT, M28W640HCB
38/72
Table 17.
Write AC characteristics, Write Enable controlled
Symbol
Alt
Parameter
M28W640HCT,
M28W640HCB
70 ns
Unit
tAVAV
tWC
Write Cycle time
Min
70
ns
tAVWH
tAS
Address Valid to Write Enable High
Min
45
ns
tDVWH
tDS
Data Valid to Write Enable High
Min
45
ns
tELWL
tCS
Chip Enable Low to Write Enable Low
Min
0
ns
tELQV
Chip Enable Low to Output Valid
Min
70
ns
tQVVPL
(1)(2)
1.
Sampled only, not 100% tested.
2.
Applicable if VPP is seen as a logic input (VPP < 3.6 V).
Output Valid to VPP Low
Min
0
ns
tQVWPL
Output Valid to Write Protect Low
Min
0
ns
tVPHWH
(1)
tVPS
VPP High to Write Enable High
Min
200
ns
tWHAX
tAH
Write Enable High to Address Transition
Min
0
ns
tWHDX
tDH
Write Enable High to Data Transition
Min
0
ns
tWHEH
tCH
Write Enable High to Chip Enable High
Min
0
ns
tWHEL
Write Enable High to Chip Enable Low
Min
25
ns
tWHGL
Write Enable High to Output Enable Low
Min
20
ns
tWHWL
tWPH Write Enable High to Write Enable Low
Min
25
ns
tWLWH
tWP
Write Enable Low to Write Enable High
Min
45
ns
tWPHWH
Write Protect High to Write Enable High
Min
45
ns



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