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參數(shù)資料
| 型號(hào)： | LH532000B |
| 廠商： | Sharp Corporation |
| 英文描述： | CMOS 2M (256K x 8/128K x 16) MROM |
| 中文描述： | 200萬(wàn)的CMOS（256 × 8/128K × 16）MROM |
| 文件頁(yè)數(shù)： | 3/7頁(yè) |
| 文件大小： | 68K |
| 代理商： | LH532000B |
NOTES:
1.
D
15
/A
–1
pin becomes LSB address input (A
–1
) when the bit configuration is set in byte mode,
and data output (D
15
) when in word mode. BYTE input pin selects bit configuration.
2.
The active levels of OE/OE and OE
1
/OE
1
/DC are mask-programmable.
Selecting DC allows the outputs to be active for both high and low levels applied to this pin.
It is recommended to apply either a HIGH or a LOW to the DC pin.
532000B-2
A
3
A
2
A
1
A
0
A
12
A
11
A
10
A
9
A
8
A
7
A
6
29
A
-1
V
CC
A
4
MEMORY
MATRIX
(262,144 x 8)
(131,072 x 16)
SENSE AMPLIFIER
GND
A
5
A
13
A
A
COLUMN SELECTOR
CE
BUFFER
A
14
A
15
TIMING
GENERATOR
A
16
NOTE:
Pin numbers apply to the 40-pin DIP or SOP.
D
3
D
2
D
1
D
0
D
12
D
11
D
10
D
9
D
8
D
7
D
6
D
5
D
4
D
13
D
14
D
15
D
21
11
30
OE
BUFFER
ADDRESS
BUFFER
BYTE/WORD
SWITCHOVER
CIRCUIT
31
OE
1
/OE
1
/DC
OE/OE
CE
BYTE
10
12
1
3
4
6
7
8
9
5
36
37
38
39
40
2
35
34
33
32
20
18
16
14
28
24
22
17
15
13
26
19
23
25
27
29
Figure 3. LH532000B Block Diagram
PIN DESCRIPTION
SIGNAL
PIN NAME
NOTE
A
–1
Address input (BYTE mode)
Address input
Data output
Chip enable input
Output enable input
1
A
0
– A
16
D
0
– D
15
CE
OE/OE
1
2
SIGNAL
PIN NAME
NOTE
OE
1
/OE
1
/DC
Output enable input or
Don’t care
Byte/word mode switch
Power supply (+5 V)
Ground
2
BYTE
V
CC
GND
CMOS 2M MROM
LH532000B
3
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LH532000B-1 | 制造商:SHARP 制造商全稱:Sharp Electrionic Components 功能描述:CMOS 2M (256K x 8/128K x 16) MROM |
| LH532000BD-1 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:x8 or x16 ROM (Mask Programmable) |
| LH532000BD-12 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:x8 or x16 ROM (Mask Programmable) |
| LH532000BD-15 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:x8 or x16 ROM (Mask Programmable) |
| LH532000BD-S150 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:x8 or x16 ROM (Mask Programmable) |
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