M27C2001-70F1(1995) View Datasheet(PDF) - STMicroelectronics
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Description
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M27C2001-70F1 Datasheet PDF : 14 Pages
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M27C2001
Table 7A. Read Mode AC Characteristics (1)
(TA = 0 to 70 °C or –40 to 85 °C; VCC = 5V ± 5% or 5V ± 10%; VPP = VCC)
Symbol
tAVQV
tELQV
tGLQV
tEHQZ (2)
tGHQZ (2)
tAXQX
M27C2001
Alt
Parameter
Test Condition
-70
-80
-90
Unit
Min Max Min Max Min Max
tACC Address Valid to Output Valid
E = VIL, G = VIL
70
80
90 ns
tCE Chip Enable Low to Output Valid
G = VIL
70
80
90 ns
tOE Output Enable Low to Output Valid
tDF Chip Enable High to Output Hi-Z
E = VIL
G = VIL
35
40
40 ns
0 30 0 30 0 30 ns
tDF Output Enable High to Output Hi-Z
E = VIL
0 30 0 30 0 30 ns
tOH
Address Transition to
Output Transition
E = VIL, G = VIL 0
0
0
ns
Table 7B. Read Mode AC Characteristics (1)
(TA = 0 to 70 °C or –40 to 85 °C; VCC = 5V ± 5% or 5V ± 10%; VPP = VCC)
M27C2001
Symbol
Alt
Parameter
Test Condition
-10
-12
-15/-20/ Unit
-25
Min Max Min Max Min Max
tAVQV
tACC Address Valid to Output Valid
E = VIL, G = VIL
100
120
150 ns
tELQV
tCE Chip Enable Low to Output Valid
G = VIL
100
120
150 ns
tGLQV
tEHQZ (2)
tGHQZ (2)
tOE Output Enable Low to Output Valid
tDF Chip Enable High to Output Hi-Z
tDF Output Enable High to Output Hi-Z
E = VIL
G = VIL
E = VIL
50
50
60 ns
0 30 0 40 0 50 ns
0 30 0 40 0 50 ns
tAXQX
tOH
Address Transition to
Output Transition
E = VIL, G = VIL 0
0
0
ns
Notes: 1. VCC must be applied simultaneously with or before VPP and removed simultaneously or after VPP.
2. Sampled only, not 100% tested.
Figure 5. Read Mode AC Waveforms
A0-A17
E
G
Q0-Q7
tAVQV
VALID
tGLQV
tELQV
tAXQX
tEHQZ
tGHQZ
DATA OUT
Hi-Z
AI00719
5/14
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