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M27C322 데이터 시트보기 (PDF) - STMicroelectronics
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M27C322
32 Mbit (2Mb x16) UV EPROM and OTP EPROM
STMicroelectronics
M27C322 Datasheet PDF : 24 Pages
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M27C322
Device operation
Table 2. Operating Modes
(1)
Mode
E
Read
V
IL
Output Disable
V
IL
Program
V
IL
Pulse
Program Inhibit
V
IH
Standby
V
IH
Electronic Signature
V
IL
1. X = V
IH
or V
IL
, V
ID
= 12V ± 0.5V.
Table 3. Electronic Signature
(1)
Identifier
A0 Q7 Q6 Q5
Manufacturer’s
Code
V
IL
0
0
1
Device Code
V
IH
0
0
1
1. Outputs Q15-Q8 are set to '0'.
GV
PP
V
IL
V
IH
V
PP
V
PP
X
V
IL
Q4 Q3
0
0
1
0
A9
X
X
X
X
X
V
ID
Q2 Q1
0
0
1
0
Q15-Q0
Data Out
Hi-Z
Data In
Hi-Z
Hi-Z
Codes
Q0 Hex Data
0
20h
0
34h
11/24
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