M29F400(1999) データシートの表示（PDF） - STMicroelectronics
部品番号
コンポーネント説明
メーカー
M29F400
(Rev.:1999)
(Rev.:1999)
STMicroelectronics
M29F400 Datasheet PDF : 22 Pages
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M29F400BT, M29F400BB
Table 12. Write AC Characteristics, Write Enable Controlled
(TA = 0 to 70 °C, –40 to 85 °C or –40 to 125 °C)
Symbol
Alt
Parameter
tAVAV
tWC Address Valid to Next Address Valid
tELWL
tCS Chip Enable Low to Write Enable Low
tWLWH
tWP Write Enable Low to Write Enable High
tDVWH
tDS Input Valid to Write Enable High
tWHDX
tDH Write Enable High to Input Transition
tWHEH
tCH Write Enable High to Chip Enable High
tWHWL
tWPH Write Enable High to Write Enable Low
tAVWL
tAS Address Valid to Write Enable Low
tWLAX
tAH Write Enable Low to Address Transition
tGHWL
Output Enable High to Write Enable Low
tWHGL
tOEH Write Enable High to Output Enable Low
tWHRL (1)
tBUSY Program/Erase Valid to RB Low
tVCHEL
tVCS VCC High to Chip Enable Low
Note: 1. Sampled only, not 100% tested.
Min
Min
Min
Min
Min
Min
Min
Min
Min
Min
Min
Max
Min
M29F400B
Unit
45
55
70 / 90
45
55
70
ns
0
0
0
ns
40
40
45
ns
25
25
30
ns
0
0
0
ns
0
0
0
ns
20
20
20
ns
0
0
0
ns
40
40
45
ns
0
0
0
ns
0
0
0
ns
30
30
30
ns
50
50
50
µs
Figure 8. Write AC Waveforms, Write Enable Controlled
A0-A17/
A–1
E
G
W
DQ0-DQ7/
DQ8-DQ15
tAVWL
tELWL
tGHWL
tAVAV
VALID
tWLAX
tWHEH
tWHGL
tWLWH
tDVWH
VALID
tWHWL
tWHDX
VCC
RB
tVCHEL
tWHRL
AI01869C
15/22
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