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HT27C020 датащи(PDF) 5 Page - Holtek Semiconductor Inc

номер детали HT27C020
подробное описание детали  OTP CMOS 256Kx 8-Bit EPROM
PDF  11 Pages
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производитель  HOLTEK [Holtek Semiconductor Inc]
домашняя страница  http://www.holtek.com
Logo HOLTEK - Holtek Semiconductor Inc

HT27C020 датащи(HTML) 5 Page - Holtek Semiconductor Inc

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Programming operation
Ta=+25
°C±5°C
Symbol
Parameter
Test Conditions
Min. Typ. Max. Unit
VCC
Conditions
tAS
Address Setup Time
6V
2
µs
tOES
OE Setup Time
6V
2
µs
tDS
Data Setup Time
6V
2
µs
tAH
Address Hold Time
6V
0
µs
tDH
Data Hold Time
6V
2
µs
tDFP
Output Enable to Output Float
Delay
6V
0
130
ns
tVPS
VPP Setup Time
6V
2
µs
tPW
PGM Program Pulse Width
6V
30
75
105
µs
tVCS
VCC Setup Time
6V
2
µs
tCES
CE Setup Time
6V
2
ns
tOE
Data Valid from OE
6V
150
µs
tPRT
VPP Pulse Rise Time During
Programming
6V
2
µs
Test waveforms and measurements
For -70, -90, -120 devices:
Output test load
tR, tF< 20ns (10% to 90%)
Note: CL=100pF including jig capacitance, except for the
-45 devices, where CL=30pF.
HT27C020
5
10th May ’99



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