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LH5P1632N-15 データシートの表示(PDF) - Sharp Electronics
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LH5P1632N-15
CMOS 512K (32K × 16) Pseudo-Static RAM
Sharp Electronics
LH5P1632N-15 Datasheet PDF : 10 Pages
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10
LH5P1632
CMOS 512K (32K
×
16) Pseudo-Static RAM
A
0
11
A
1
10
A
2
9
A
3
8
A
4
7
A
5
6
A
6
5
A
7
4
A
8
3
A
9
2
A
10
37
A
11
36
A
12
35
A
13
34
A
14
33
A
8
- A
14
COLUMN
ADDRESS
BUFFER
A
0
- A
7
ROW
ADDRESS
BUFFER
REFRESH
ADDRESS
COUNTER
EXT/INT
ADDRESS
MUX
COLUMN
DECODER
SENSE
AMPS
ROW
DECODER
MEMORY
ARRAY
CE
30
CLOCK
GENERATOR
REFRESH
CONTROLLER
V
BB
GENERATOR
I/O
SELECTOR
DATA
IN
BUFFER
DATA
OUT
BUFFER
DATA
IN
BUFFER
DATA
OUT
BUFFER
21 V
CC
20 GND
40 V
CC
1
GND
12 I/O
1
13 I/O
2
14 I/O
3
15 I/O
4
16 I/O
5
17 I/O
6
18 I/O
7
19 I/O
8
22 I/O
9
23 I/O
10
24 I/O
11
25 I/O
12
26 I/O
13
27 I/O
14
28 I/O
15
29 I/O
16
LOE/
31
RFSH
UOE/
TEST
1
32
LWR 38
LWR 39
Figure 2. LH5P1632 Block Diagram
PIN DESCRIPTION
SIGNAL
A
0
– A
14
LWR, UWR
LOE/RFSH, UOE
CE
PIN NAME
Address input
Write enable
Output enable/Refresh input
Chip enable input
SIGNAL
I/O
1
– I/O
16
V
CC
GND
PIN NAME
Data input/output
Power Supply
Ground
5P1632-2
2
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