M28W640FSU データシートの表示（PDF） - STMicroelectronics
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M28W640FSU
STMicroelectronics
M28W640FSU Datasheet PDF : 49 Pages
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M28W320FSU, M28W640FSU
Table 14. Write AC Characteristics, Write Enable Controlled
Symbol Alt
Parameter
M28W320FSU M28W640FSU
Unit
70
70
tAVAV tWC Write Cycle Time
Min
70
70
ns
tAVWH tAS Address Valid to Write Enable High
Min
45
45
ns
tDVWH tDS Data Valid to Write Enable High
Min
45
45
ns
tELWL tCS Chip Enable Low to Write Enable Low
Min
0
0
ns
tELQV
Chip Enable Low to Output Valid
Min
70
70
ns
tQVVPL
(1,2)
Output Valid to VPP Low
Min
0
0
ns
tVPHWH
(1)
tVPS VPP High to Write Enable High
Min
200
200
ns
tWHAX tAH Write Enable High to Address Transition
Min
0
0
ns
tWHDX tDH Write Enable High to Data Transition
Min
0
0
ns
tWHEH tCH Write Enable High to Chip Enable High
Min
0
0
ns
tWHEL
Write Enable High to Chip Enable Low
Min
25
25
ns
tWHGL
Write Enable High to Output Enable Low
Min
20
20
ns
tWHWL tWPH Write Enable High to Write Enable Low
Min
25
25
ns
tWLWH tWP Write Enable Low to Write Enable High
Min
45
45
ns
Note: 1. Sampled only, not 100% tested.
2. Applicable if VPP is seen as a logic input (VPP < 3.6V).
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