參數(shù)資料
型號(hào): LH5P1632
廠商: Sharp Corporation
英文描述: CMOS 512K (32K x 16) Pseudo-Static RAM
中文描述: 為512k的CMOS(32K的× 16),偽靜態(tài)存儲(chǔ)器
文件頁數(shù): 2/10頁
文件大?。?/td> 89K
代理商: LH5P1632
I/O
2
I/O
3
I/O
4
I/O
5
I/O
6
I/O
7
I/O
8
CLOCK
GENERATOR
LWR
A
12
A
13
A
14
A
3
A
4
A
5
A
6
A
7
A
8
A
9
A
10
A
11
A
2
A
1
A
0
COLUMN
ADDRESS
BUFFER
ROW
ADDRESS
BUFFER
REFRESH
ADDRESS
COUNTER
DATA
IN
BUFFER
DATA
OUT
BUFFER
I/O
SELECTOR
COLUMN
DECODER
SENSE
AMPS
ROW
DECODER
EXT/INT
ADDRESS
MUX
REFRESH
CONTROLLER
V
BB
GENERATOR
GND
5P1632-2
I/O
1
LOE/
RFSH
UOE/
TEST
1
11
10
9
8
7
6
5
4
3
2
37
36
35
34
33
32
38
21
20
12
13
14
15
16
17
18
19
30
CE
MEMORY
ARRAY
A
8
- A
14
A
0
- A
7
31
LWR 39
DATA
IN
BUFFER
DATA
OUT
BUFFER
40
1
I/O
10
I/O
11
I/O
12
I/O
13
I/O
14
I/O
15
I/O
16
I/O
9
22
23
24
25
26
27
28
29
V
CC
GND
V
CC
Figure 2. LH5P1632 Block Diagram
PIN DESCRIPTION
SIGNAL
PIN NAME
A
0
– A
14
LWR, UWR
LOE/RFSH, UOE
CE
Address input
Write enable
Output enable/Refresh input
Chip enable input
SIGNAL
PIN NAME
I/O
1
– I/O
16
V
CC
GND
Data input/output
Power Supply
Ground
LH5P1632
CMOS 512K (32K
×
16) Pseudo-Static RAM
2
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