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LH531V00T 데이터 시트보기 (PDF) - Sharp Electronics
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LH531V00T
CMOS 1M (128K × 8) MROM
Sharp Electronics
LH531V00T Datasheet PDF : 6 Pages
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3
4
5
6
LH531V00
CMOS 1M MROM
A
16
2
A
15
3
A
14
29
A
13
28
A
12
4
A
11
25
A
10
23
A
9
26
A
8
27
A
7
5
A
6
6
A
5
7
A
4
8
A
3
9
A
2
10
A
1
11
A
0
12
MEMORY
MATRIX
(131,072 x 8)
COLUMN SELECTOR
SENSE AMPLIFIER
CE 22
CE
BUFFER
TIMING
GENERATOR
OE 24
OE
1
/OE
1
/DC 1
OE
BUFFER
32 16
V
CC
GND
NOTE:
Pin numbers apply to the 32-pin DIP or SOP.
OUTPUT BUFFER
13 14 15 17 18 19 20 21
D
0
D
1
D
2
D
3
D
4
D
5
D
6
D
7
Figure 3. LH531V00 Block Diagram
531V00-3
PIN DESCRIPTION
SIGNAL
A
0
– A
16
D
0
– D
7
CE
OE
PIN NAME
Address input
Data output
Chip Enable input
Output Enable input
NOTE
SIGNAL
OE
1
/OE
1
/DC
V
CC
GND
PIN NAME
Output Enable input
Power supply (+5 V)
Ground
NOTE:
1. Active level of OE
1
/OE
1
/DC is mask-programmable. When DC is selected out of OE
1
/OE
1
/DC, it is fixed to an active level.
Then it is recommended to apply either HIGH or LOW to the DC pin.
NOTE
1
2
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