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27C512 데이터 시트보기 (PDF) - Microchip Technology
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27C512
27C512A / 512K (64K x 8) CMOS EPROM / PLCC, DIP, SOIC Package
Microchip Technology
27C512 Datasheet PDF : 8 Pages
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27C512A
FIGURE 1-3: PROGRAMMING EXPRESS ALGORITHM
Conditions:
T
amb
= 25˚C
±
5˚C
V
CC
= 6.5
±
0.25V
V
PP
= 13.0
±
0.25V
Start
ADDR = First Location
V
CC
= 6.5V
V
PP
= 13.0V
X=0
Program one 100
µ
s pulse
Increment X
Verify
Byte
Pass
Fail
No
Yes Device
X = 10 ?
Failed
Last
Yes
Address?
No
Increment Address
V
CC
= V
PP
= 4.5V, 5.5V
All
Device
Yes bytes No
Device
Passed
= original
Failed
data?
©
1996 Microchip Technology Inc.
DS11173E-page 7
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