M27C405 Datasheet, PDF (6/15 Pages) STMicroelectronics – 4 Mbit 512Kb x 8 OTP EPROM

M27C405
Table 8B. Read Mode AC Characteristics ⁽¹⁾
(TA = 0 to 70 °C or –40 to 85 °C; VCC = 5V ± 10%; VPP = VCC)
Symbol Alt
Parameter
Test Condition
-100
M27C405
-120
Min Max Min Max
tAVQV
tACC
Address Valid to
Output Valid
E = VIL, G = VIL
100
120
t_ELQV
t_CE
Chip Enable Low to
Output Valid
G = V_IL
100
120
t_GLQV
t_OE
Output Enable Low
to Output Valid
E = V_IL
50
60
t_EHQZ ⁽²⁾
t_DF
Chip Enable High to
Output Hi-Z
G = V_IL
0
30
0
40
t_GHQZ ⁽²⁾
t_DF
Output Enable High
to Output Hi-Z
E = V_IL
0
30
0
40
t_AXQX
t_OH
Address Transition to
Output Transition
E = V_IL, G = V_IL
0
0
Notes: 1. VCC must be applied simultaneously with or before VPP and removed simultaneously or after VPP.
2. Sampled only, not 100% tested.
-150
Unit
Min Max
150 ns
150 ns
60 ns
0
50 ns
0
50 ns
0
ns
Figure 5. Read Mode AC Waveforms
A0-A18
E
G
Q0-Q7
VALID
tAVQV
tGLQV
tELQV
tAXQX
VALID
tEHQZ
tGHQZ
Hi-Z
AI00724B
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