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M27C256B датащи(PDF) 18 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) 18 Page - STMicroelectronics

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DC and AC parameters
M27C256B
18/24
Figure 8.
Programming and Verify modes AC waveforms
Table 11.
Programming mode AC characteristics(1) (2)
1.
TA = 25 °C; VCC = 6.25V ± 0.25V; VPP = 12.75V ± 0.25V.
2.
VCC must be applied simultaneously with or before VPP and removed simultaneously or after VPP.
Symbol
Alt
Parameter
Test
Condition
Min
Max
Unit
tAVEL
tAS
Address Valid to Chip Enable Low
2
µs
tQVEL
tDS
Input Valid to Chip Enable Low
2
µs
tVPHEL
tVPS VPP High to Chip Enable Low
2
µs
tVCHEL
tVCS VCC High to Chip Enable Low
2
µs
tELEH
tPW
Chip Enable Program Pulse Width
95
105
µs
tEHQX
tDH
Chip Enable High to Input Transition
2
µs
tQXGL
tOES Input Transition to Output Enable Low
2
µs
tGLQV
tOE
Output Enable Low to Output Valid
100
ns
tGHQZ
tDFP Output Enable High to Output Hi-Z
0
130
ns
tGHAX
tAH
Output Enable High to Address Transition
0
ns
tAVEL
VALID
AI00759
A0-A14
Q0-Q7
VPP
VCC
G
DATA IN
DATA OUT
E
tQVEL
tVPHEL
tVCHEL
tEHQX
tELEH
tGLQV
tQXGL
tGHQZ
tGHAX
PROGRAM
VERIFY



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