M29W002BT データシートの表示（PDF） - STMicroelectronics
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M29W002BT Datasheet PDF : 20 Pages
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M29W002BT, M29W002BB
Table 14. Write AC Characteristics, Chip Enable Controlled
(TA = 0 to 70°C or –40 to 85°C)
Symbol
Alt
Parameter
tAVAV
tWC Address Valid to Next Address Valid
tWLEL
tWS Write Enable Low to Chip Enable Low
tELEH
tCP Chip Enable Low to Chip Enable High
tDVEH
tDS Input Valid to Chip Enable High
tEHDX
tDH Chip Enable High to Input Transition
tEHWH
tWH Chip Enable High to Write Enable High
tEHEL
tCPH Chip Enable High to Chip Enable Low
tAVEL
tAS Address Valid to Chip Enable Low
tELAX
tAH Chip Enable Low to Address Transition
tGHEL
Output Enable High Chip Enable Low
tEHGL
tOEH Chip Enable High to Output Enable Low
tEHRL (1)
tBUSY Program/Erase Valid to RB Low
tVCHWL
tVCS VCC High to Write Enable Low
Note: 1. Sampled only, not 100% tested.
Min
Min
Min
Min
Min
Min
Min
Min
Min
Min
Min
Max
Min
M29W002B
55
70
90
55
70
90
0
0
0
40
45
45
25
30
45
0
0
0
0
0
0
30
30
30
0
0
0
40
45
45
0
0
0
0
0
0
30
30
35
50
50
50
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
µs
Figure 9. Write AC Waveforms, Chip Enable Controlled
tAVAV
A0-A17
VALID
tAVEL
W
tWLEL
G
tGHEL
tELEH
E
tELAX
DQ0-DQ7
tDVEH
VALID
tEHWH
tEHGL
tEHEL
tEHDX
VCC
RB
tVCHWL
tEHRL
AI02963
15/20
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