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M27C256B датащи(PDF) 16 Page - STMicroelectronics

номер детали M27C256B
подробное описание детали  256 Kbit (32Kb 횞 8) UV EPROM and OTP EPROM
PDF  24 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M27C256B датащи(HTML) 16 Page - STMicroelectronics

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DC and AC parameters
M27C256B
16/24
Figure 7.
Read mode AC waveforms
)
Table 9.
Read mode AC characteristics(1) (2)
1.
TA = 0 to 70°C, –40 to 85°C, –40 to 105°C or –40 to 125°C; VCC = 5V ± 5% or 5V ± 10%; VPP = VCC
2.
VCC must be applied simultaneously with or before VPP and removed simultaneously or after VPP.
Symbol
Alt
Parameter
Test
Condition
M27C256B
Unit
-45(3)
3.
Speed obtained with High Speed AC measurement conditions.
-60
-70
-80
Min Max Min Max Min Max Min Max
tAVQV
tACC
Address Valid to
Output Valid
E = VIL,
G = VIL
45
60
70
80
ns
tELQV
tCE
Chip Enable Low
to Output Valid
G = VIL
45
60
70
80
ns
tGLQV
tOE
Output Enable Low
to Output Valid
E = VIL
25
30
35
40
ns
tEHQZ
(4)
4.
Sampled only, not 100% tested.
tDF
Chip Enable High
to Output Hi-Z
G = VIL
0
25
0
300300
30
ns
tGHQZ
(4)
tDF
Output Enable
High to Output Hi-Z
E = VIL
0
25
0
300300
30
ns
tAXQX
tOH
Address Transition
to Output
Transition
E = VIL,
G = VIL
0
000ns
AI00758B
tAXQX
tEHQZ
A0-A14
E
G
Q0-Q7
tAVQV
tGHQZ
tGLQV
tELQV
VALID
Hi-Z
VALID



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