M27C400 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
Manufacturer
M27C400 Datasheet PDF : 14 Pages
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M27C400
Table 8A. Read Mode AC Characteristics (1)
(TA = 0 to 70 °C or –40 to 85 °C; VCC = 5V ± 5% or 5V ± 10%; VPP = VCC)
M27C400
Symbol Alt
Parameter
Test Condition
-55 (3)
-70
Unit
Min Max Min Max
tAVQV
tACC Address Valid to Output Valid
E = VIL, G = VIL
55
70 ns
tBHQV
tST BYTE High to Output Valid
E = VIL, G = VIL
55
70 ns
tELQV
tCE Chip Enable Low to Output Valid
G = VIL
55
70 ns
tGLQV
tOE Output Enable Low to Output Valid
E = VIL
30
35 ns
tBLQZ (2)
tSTD BYTE Low to Output Hi-Z
E = VIL, G = VIL
30
30 ns
tEHQZ (2)
tDF Chip Enable High to Output Hi-Z
G = VIL
0 30 0 30 ns
tGHQZ (2)
tDF Output Enable High to Output Hi-Z
E = VIL
0 30 0 30 ns
tAXQX
tOH Address Transition to Output Transition E = VIL, G = VIL
5
5
ns
tBLQX
tOH BYTE Low to Output Transition
E = VIL, G = VIL
5
5
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 measurement conditions.
Table 8B. Read Mode AC Characteristics (1)
(TA = 0 to 70 °C or –40 to 85 °C; VCC = 5V ± 5% or 5V ± 10%; VPP = VCC)
M27C400
Symbol
Alt
Parameter
Test Condition
-80
-100 Unit
Min Max Min Max
tAVQV
tACC Address Valid to Output Valid
E = VIL, G = VIL
80
100 ns
tBHQV
tST BYTE High to Output Valid
E = VIL, G = VIL
80
100 ns
tELQV
tCE Chip Enable Low to Output Valid
G = VIL
80
100 ns
tGLQV
tOE Output Enable Low to Output Valid
E = VIL
40
50 ns
tBLQZ (2)
tSTD BYTE Low to Output Hi-Z
E = VIL, G = VIL
40
50 ns
tEHQZ (2)
tDF Chip Enable High to Output Hi-Z
G = VIL
0 40 0 50 ns
tGHQZ (2)
tDF Output Enable High to Output Hi-Z
E = VIL
0 40 0 50 ns
tAXQX
tOH Address Transition to Output Transition E = VIL, G = VIL
5
5
ns
tBLQX
tOH BYTE Low to Output Transition
E = VIL, G = VIL
5
5
ns
Note: 1. VCC must be applied simultaneously with or before VPP and removed simultaneously or after VPP
2. Sampled only, not 100% tested.
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