M28R400C Ver la hoja de datos (PDF) - STMicroelectronics
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M28R400C Datasheet PDF : 48 Pages
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M28R400CT, M28R400CB
Table 16. Write AC Characteristics, Write Enable Controlled
Symbol
Alt
Parameter
tAVAV
tWC Write Cycle Time
tAVWH
tAS Address Valid to Write Enable High
tDVWH
tDS Data Valid to Write Enable High
tELWL
tCS Chip Enable Low to Write Enable Low
tELQV
Chip Enable Low to Output Valid
tQVVPL (1,2)
Output Valid to VPP Low
tQVWPL
Output Valid to Write Protect Low
tVPHWH (1)
tVPS VPP High to Write Enable High
tWHAX
tAH Write Enable High to Address Transition
tWHDX
tDH Write Enable High to Data Transition
tWHEH
tCH Write Enable High to Chip Enable High
tWHEL
Write Enable High to Chip Enable Low
tWHGL
Write Enable High to Output Enable Low
tWHWL
tWPH Write Enable High to Write Enable Low
tWLWH
tWP Write Enable Low to Write Enable High
tWPHWH
Write Protect High to Write Enable High
Note: 1. Sampled only, not 100% tested.
2. Applicable if VPP is seen as a logic input (VPP < 2.2V).
M28R400C
Unit
90
120
Min
90
120
ns
Min
50
50
ns
Min
50
50
ns
Min
0
0
ns
Min
90
120
ns
Min
0
0
ns
Min
0
0
ns
Min
200
200
ns
Min
0
0
ns
Min
0
0
ns
Min
0
0
ns
Min
30
30
ns
Min
30
30
ns
Min
30
30
ns
Min
50
50
ns
Min
50
50
ns
24/48
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