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LH53517TR 데이터 시트보기 (PDF) - Sharp Electronics
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LH53517TR
CMOS 512K (64K × 8) MROM
Sharp Electronics
LH53517TR Datasheet PDF : 6 Pages
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LH53517
CMOS 512K MROM
A
15
1
A
14
27
A
13
26
A
12
2
A
11
23
A
10
21
A
9
24
A
8
25
A
7
3
A
6
4
A
5
5
A
4
6
A
3
7
A
2
8
A
1
9
A
0
10
MEMORY
MATRIX
(65,536 x 8)
COLUMN SELECTOR
SENSE AMPLIFIER
CE 20
OE/OE 22
CE
BUFFER
TIMING
GENERATOR
OE
BUFFER
DATA
OUTPUT BUFFER
28 14
V
CC
GND
NOTE:
Pin numbers apply to the 28-pin DIP or SOP.
19 18 17 16 15 13 12 11
D
7
D
6
D
5
D
4
D
3
D
2
D
1
D
0
Figure 3. LH53517 Block Diagram
53517-3
PIN DESCRIPTION
SIGNAL
A
0
– A
15
D
0
– D
7
CE
PIN NAME
Address input
Data output
Chip enable input
NOTE
NOTE:
1. Active level of OE/OE is mask-programmable.
SIGNAL
OE/OE
V
CC
GND
PIN NAME
Output enable input
Power supply (+5 V)
Ground
NOTE
1
TRUTH TABLE
CE
OE/OE
H
X
L
L/H
H/L
NOTE:
X = H or L
DATA OUTPUT
High-Z
Output
CURRENT CONSUMPTION
Standby
Operating
ABSOLUTE MAXIMUM RATINGS
2
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