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M27W512 Datasheet(PDF) 14 Page - STMicroelectronics

Part # M27W512
Description  512 Kbit (64K x8) Low Voltage UV EPROM and OTP EPROM
PDF  21 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M27W512 Datasheet(HTML) 14 Page - STMicroelectronics

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Table 11. Programming Mode AC Characteristics
Note: 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.
Figure 11. Programming and Verify Modes AC Waveforms
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
2µs
tVPHEL
tOES
VPP High to Chip Enable Low
2µs
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
2µs
tVPLEL
tVR
VPP Low to Chip Enable Low
2µs
tELQV
tDV
Chip Enable Low to Output Valid
1
µs
tEHQZ
(2)
tDFP
Chip Enable High to Output Hi-Z
0
130
ns
tEHAX
tAH
Chip Enable High to Address Transition
0
ns
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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