M29F400 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 Datasheet PDF : 40 Pages
| |||
DC and AC parameters
M29F400BT, M29F400BB
Figure 9. 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
Table 13. Write AC characteristics, Write Enable controlled(1)
Symbol Alt
Parameter
M29F400B
Unit
45
55 70 / 90
tAVAV tWC Address Valid to Next Address Valid
Min 45 55 70 ns
tELWL tCS Chip Enable Low to Write Enable Low
Min 0
0
0 ns
tWLWH tWP Write Enable Low to Write Enable High
Min 40
40
45 ns
tDVWH tDS Input Valid to Write Enable High
Min 25 25 30 ns
tWHDX tDH Write Enable High to Input Transition
Min 0
0
0 ns
tWHEH tCH Write Enable High to Chip Enable High
Min
0
0
0 ns
tWHWL tWPH Write Enable High to Write Enable Low
Min 20
20
20 ns
tAVWL tAS Address Valid to Write Enable Low
Min 0
0
0 ns
tWLAX tAH Write Enable Low to Address Transition Min 40
40
45 ns
tGHWL
Output Enable High to Write Enable Low Min 0
0
0 ns
tWHGL tOEH Write Enable High to Output Enable Low Min 0
0
0 ns
tWHRL(2) tBUSY Program/Erase Valid to RB Low
Max 30
30
30 ns
tVCHEL tVCS VCC High to Chip Enable Low
Min 50
50
50 µs
1. TA = 0 to 70 °C, –40 to 85 °C or –40 to 125 °C
2. Sampled only, not 100% tested.
32/40
Share Link: 