M29F400 データシートの表示（PDF） - STMicroelectronics
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M29F400 Datasheet PDF : 40 Pages
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M29F400BT, M29F400BB
DC and AC parameters
Figure 8.
A0-A17/
A–1
E
G
DQ0-DQ7/
DQ8-DQ15
BYTE
Read mode AC waveforms
tAVAV
VALID
tAVQV
tELQV
tELQX
tGLQX
tGLQV
tBHQV
tELBL/tELBH
tAXQX
tEHQZ
tEHQX
tGHQX
tGHQZ
VALID
tBLQZ
AI02907
Table 12. Read AC characteristics(1)
Symbol Alt
Parameter
Test
Condition
M29F400B
Unit
45 55 70 / 90
tAVAV
tRC
Address Valid to Next Address
Valid
tAVQV tACC Address Valid to Output Valid
tELQX(2)
tLZ
Chip Enable Low to Output
Transition
E = VIL,
G = VIL
Min
45
55
E = VIL,
G = VIL
Max
45
55
G = VIL Min 0
0
tELQV tCE Chip Enable Low to Output Valid G = VIL Max 45 55
tGLQX(2)
tOLZ
Output Enable Low to Output
Transition
E = VIL Min 0
0
tGLQV tOE Output Enable Low to Output Valid E = VIL Max 25 30
tEHQZ(2) tHZ Chip Enable High to Output Hi-Z G = VIL Max 15
18
tGHQZ(2) tDF Output Enable High to Output Hi-Z E = VIL Max 15
18
tEHQX
tGHQX
tAXQX
Chip Enable, Output Enable or
tOH Address Transition to Output
Transition
Min 0
0
tELBL
tELBH
tELFL
tELFH
Chip Enable to BYTE Low or High
Max 5
5
tBLQZ tFLQZ BYTE Low to Output Hi-Z
Max 15 15
tBHQV tFHQV BYTE High to Output Valid
Max 30 30
1. TA = 0 to 70°C, –40 to 85°C or –40 to 125°C
2. Sampled only, not 100% tested.
70 ns
70 ns
0
ns
70 ns
0
ns
30 ns
20 ns
20 ns
0
ns
5
ns
20 ns
30 ns
31/40
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