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M27C512 Datasheet(PDF) 16 Page - STMicroelectronics

Part # M27C512
Description  512 Kbit (64K 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

M27C512 Datasheet(HTML) 16 Page - STMicroelectronics

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DC and AC parameters
M27C512
16/22
Figure 9.
Programming and Verify modes AC waveforms
Table 13.
Programming mode AC characteristics
Symbol
Alt
Parameter
Test
Condition(1)(2)
Min
Max
Unit
tAVEL
tAS
Address Valid to Chip Enable Low
2
µs
tQVEL
tDS
Input Valid to Chip Enable Low
2
µs
tVCHEL
tVCS
VCC High to Chip Enable Low
2
µs
tVPHEL
tOES
VPP High to Chip Enable Low
2
µs
tVPLVPH
tPRT
VPP Rise Time
50
ns
tELEH
tPW
Chip Enable Program Pulse Width
(Initial)
95
105
µs
tEHQX
tDH
Chip Enable High to Input Transition
2
µs
tEHVPX
tOEH
Chip Enable High to VPP Transition
2
µs
tVPLEL
tVR
VPP Low to Chip Enable Low
2
µs
tELQV
tDV
Chip Enable Low to Output Valid
1
µs
tEHQZ
(3)
tDFP
Chip Enable High to Output Hi-Z
0
130
ns
tEHAX
tAH
Chip Enable High to Address Transition
0
ns
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.
3.
Sampled only, not 100% tested.
AI00737
tVPLEL
PROGRAM
DATA IN
A0-A15
E
GVPP
Q0-Q7
DATA OUT
tAVEL
tQVEL
tVCHEL
tVPHEL
tEHQX
tEHVPX
tELEH
tELQV
tEHAX
tEHQZ
VERIFY
VALID
VCC



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