M29W640FT70N6E 查看數據表（PDF） - STMicroelectronics
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M29W640FT70N6E
STMicroelectronics
M29W640FT70N6E Datasheet PDF : 72 Pages
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7 DC and AC parameters
M29W640FT, M29W640FB
Table 15. Write AC Characteristics, Chip Enable Controlled
Symbol Alt
Parameter
tAVAV tWC Address Valid to Next Address Valid
Min
tWLEL tWS Write Enable Low to Chip Enable Low
Min
tELEH tCP Chip Enable Low to Chip Enable High
Min
tDVEH tDS Input Valid to Chip Enable High
Min
tEHDX tDH Chip Enable High to Input Transition
Min
tEHWH tWH Chip Enable High to Write Enable High
Min
tEHEL tCPH Chip Enable High to Chip Enable Low
Min
tAVEL
tAS Address Valid to Chip Enable Low
Min
tELAX tAH Chip Enable Low to Address Transition
Min
tGHEL
Output Enable High Chip Enable Low
Min
tEHGL tOEH Chip Enable High to Output Enable Low
Min
tEHRL(1) tBUSY Program/Erase Valid to RB Low
Max
tVCHWL tVCS VCC High to Write Enable Low
Min
1. Sampled only, not 100% tested.
M29W640FT, M29W640FB
Unit
60
70
60
70
ns
0
0
ns
45
45
ns
45
45
ns
0
0
ns
0
0
ns
30
30
ns
0
0
ns
45
45
ns
0
0
ns
0
0
ns
30
30
ns
50
50
µs
42/72
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