M27C202 Ver la hoja de datos (PDF) - STMicroelectronics
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M27C202 Datasheet PDF : 15 Pages
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M27C202
Table 8. Read Mode AC Characteristics (1)
(TA = 0 to 70 °C, –40 to 85 °C or –40 to 125 °C; VCC = 5V ± 10%; VPP = VCC)
M27C202
Symbol Alt
Parameter
Test Condition -45 (3)
-70 (3)
-80
-100 Unit
Min Max Min Max Min Max Min Max
tAVQV
tACC
Address Valid to
Output Valid
E = VIL, G = VIL
45
70
80
100 ns
tELQV
tCE
Chip Enable Low to
Output Valid
G = VIL
45
70
80
100 ns
tGLQV
tOE
Output Enable Low
to Output Valid
E = VIL
25
40
40
50 ns
tEHQZ (2)
tDF
Chip Enable High to
Output Hi-Z
G = VIL
0 25 0 30 0 30 0 30 ns
tGHQZ (2)
tDF
Output Enable High
to Output Hi-Z
E = VIL
0 25 0 30 0 30 0 30 ns
tAXQX
tOH
Address Transition to
Output Transition
E = VIL, G = VIL
0
0
0
0
ns
Note: 1. VCC must be applied simultaneously with or before VPP and removed simultaneously or after VPP.
2. Sampled only, not 100% tested.
3. Speed obtained with High Speed AC measurement conditions.
Figure 5. Read Mode AC Waveforms
A0-A16
E
G
Q0-Q15
VALID
tAVQV
tGLQV
tELQV
tAXQX
VALID
tEHQZ
tGHQZ
Hi-Z
AI01818B
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