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
| |||
M29F400BT, M29F400BB
Table 13. Write AC Characteristics, Chip 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
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
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 9. Write AC Waveforms, Chip Enable Controlled
A0-A17/
A–1
W
G
E
DQ0-DQ7/
DQ8-DQ15
tAVEL
tWLEL
tGHEL
tAVAV
VALID
tELAX
tEHWH
tEHGL
tELEH
tDVEH
VALID
tEHEL
tEHDX
VCC
RB
tVCHWL
tEHRL
AI01870C
16/22
Share Link: