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LH51BV1000JY-70LL 데이터 시트보기 (PDF) - Sharp Electronics
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LH51BV1000JY-70LL
CMOS 1M (128K × 8) Static Ram
Sharp Electronics
LH51BV1000JY-70LL Datasheet PDF : 11 Pages
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LH51BV1000J
CMOS 1M (128K
×
8) Static RAM
A
0
A
1
A
2
A
3
A
4
A
5
A
6
A
7
A
8
A
9
A
10
A
11
A
12
A
13
A
14
A
15
A
16
CE
1
CE
2
10
ROW 1024
DECODER
ADDRESS
BUFFER
7
COLUMN
128
DECODER
MEMORY
CELL ARRAY
(1024 x 128 x 8)
128 x 8
COLUMN GATE
8
CE
1
, CE
2
CONTROL
LOGIC
V
CC
GND
WE
OE, WE
CONTROL
OE
LOGIC
I/O BUFFER
I/O
1
I/O
2
I/O
3
I/O
4
I/O
5
I/O
6
I/O
7
I/O
8
Figure 2. LH51BV1000JY Block Diagram
PIN DESCRIPTION
SIGNAL
A
0
– A
16
CE
1
CE
2
WE
OE
PIN NAME
Address inputs
Chip enable 1
Chip enable 2
Write enable
Output enable
SIGNAL
I/O
1
– I/O
8
V
CC
GND
NC
PIN NAME
Data inputs and outputs
Power supply
Ground
No connection
51BV1000-2
TRUTH TABLE
CE
1
CE
2
WE
OE
H
L
L
H
L
L
H
H
L
L
H
H
H
NOTE:
1.
= Don’t care, L = Low, H = High
MODE
Standby
Standby
Write
Read
Output disable
I/O
1
– I/O
8
High impedance
High impedance
Data input
Data output
High impedance
SUPPLY CURRENT
Standby (I
SB
)
Standyby (I
SB
)
Active (I
CC
)
Active (I
CC
)
Active (I
CC
)
2
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