M29W040B 데이터 시트보기 (PDF) - STMicroelectronics
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M29W040B Datasheet PDF : 20 Pages
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Table 12. Write AC Characteristics, Write Enable Controlled
(TA = 0 to 70°C or –40 to 85°C)
Symbol
Alt
Parameter
tAVAV
tWC Address Valid to Next Address Valid
Min
tELWL
tCS Chip Enable Low to Write Enable Low
Min
tWLWH
tWP Write Enable Low to Write Enable High
Min
tDVWH
tDS Input Valid to Write Enable High
Min
tWHDX
tDH Write Enable High to Input Transition
Min
tWHEH
tCH Write Enable High to Chip Enable High
Min
tWHWL
tWPH Write Enable High to Write Enable Low
Min
tAVWL
tAS Address Valid to Write Enable Low
Min
tWLAX
tAH Write Enable Low to Address Transition
Min
tGHWL
Output Enable High to Write Enable Low
Min
tWHGL
tOEH Write Enable High to Output Enable Low
Min
tVCHEL
tVCS VCC High to Chip Enable Low
Min
M29W040B
M29W040B
Unit
55
70 90 / 120
55
70
90
ns
0
0
0
ns
40
45
45
ns
25
30
45
ns
0
0
0
ns
0
0
0
ns
30
30
30
ns
0
0
0
ns
40
45
45
ns
0
0
0
ns
0
0
0
ns
50
50
50
µs
Figure 9. Write AC Waveforms, Write Enable Controlled
A0-A18
E
G
W
DQ0-DQ7
tAVWL
tELWL
tGHWL
tAVAV
VALID
tWLAX
tWHEH
tWHGL
tWLWH
tDVWH
VALID
tWHWL
tWHDX
VCC
tVCHEL
AI02908
13/20
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