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M27C64A Datasheet(PDF) 17 Page - STMicroelectronics

Part # M27C64A
Description  64 Kbit (8Kb x8) UV EPROM and OTP EPROM
PDF  22 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M27C64A Datasheet(HTML) 17 Page - STMicroelectronics

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M27C64A
DC and AC parameters
17/22
Figure 8.
Programming and Verify Modes AC Waveforms
Table 11.
Programming Mode AC Characteristics(1)(2)
Symbol
Alt
Parameter
Test Condition
Min
Max
Unit
tAVPL
tAS
Address Valid to Program Low
2
µs
tQVPL
tDS
Input Valid to Program Low
2
µs
tVPHPL
tVPS
VPP High to Program Low
2
µs
tVCHPL
tVCS
VCC High to Program Low
2
µs
tELPL
tCES
Chip Enable Low to Program Low
2
µs
tPLPH
tPW
Program Pulse Width (Initial)
0.95
1.05
ms
Program Pulse Width (Over Program)
2.85
78.75
ms
tPHQX
tDH
Program 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
(3)
tDFP
Output Enable High to Output Hi-Z
0
130
ns
tGHAX
tAH
Output Enable High to Address
Transition
0ns
1.
TA = 25 °C; VCC = 6V ± 0.25V; VPP = 12.5V ± 0.25V.
2.
VCC must be applied simultaneously with or before VPP and removed simultaneously or after VPP.
3.
Sampled only, not 100% tested.
tAVPL
VALID
AI00779
A0-A12
Q0-Q7
VPP
VCC
P
G
DATA IN
DATA OUT
E
tQVPL
tVPHPL
tVCHPL
tPHQX
tPLPH
tGLQV
tQXGL
tELPL
tGHQZ
tGHAX
PROGRAM
VERIFY



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