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M27W401_06 Datasheet, PDF (15/23 Pages) STMicroelectronics – 4 Mbit (512Kb x 8) Low Voltage UV EPROM and OTP EPROM
M27W401
DC and AC parameters
TA = –40 to 85 °C; VCC = 2.7V to 3.6V; VPP = VCC
Table 9. Read Mode AC Characteristics (1)
Symbol Alt
Parameter
Test
Condition
-80 (2)
-100
(-120/-150/-200)
Unit
VCC = 3.0V to 3.6V VCC = 2.7V to 3.6V VCC = 2.7V to 3.6V
Min. Max. Min. Max. Min. Max.
tAVQV
tACC
Address Valid to
Output Valid
E = VIL,
G = VIL
70
80
tELQV
tCE
Chip Enable Low to
Output Valid
G = VIL
70
80
tGLQV
tOE
Output Enable Low
to Output Valid
E = VIL
40
50
tEHQZ (3)
tDF
Chip Enable High to
Output Hi-Z
G = VIL
0
50
0
50
0
tGHQZ (3)
tDF
Output Enable High
to Output Hi-Z
E = VIL
0
50
0
50
0
tAXQX
tOH
Address Transition
to Output Transition
E = VIL,
G = VIL
0
0
0
1. VCC must be applied simultaneously with or before VPP and removed simultaneously or after VPP.
2. Speed obtained with High Speed AC measurement conditions.
3. Sampled only, not 100% tested.
100 ns
100 ns
60 ns
60 ns
60 ns
ns
Figure 8. Read Mode AC Waveforms
A0-A18
E
G
Q0-Q7
VALID
tAVQV
tGLQV
tELQV
tAXQX
VALID
tEHQZ
tGHQZ
Hi-Z
AI00724B
15/23