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LH5164A Folha de dados(PDF) 2 Page - Sharp Corporation

Nome de Peças LH5164A
Descrição Electrónicos  CMOS 64K (8K x 8) Static RAM
PDF  11 Pages
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Fabricante Electrônico  SHARP [Sharp Corporation]
Página de início  http://sharp-world.com/
Logo SHARP - Sharp Corporation

LH5164A Folha de dados(HTML) 2 Page - Sharp Corporation

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TRUTH TABLE
CE1
CE2
WE
OE
MODE
I/O1 - I/O8
SUPPLY CURRENT
NOTE
H
X
X
X
Deselect
High-Z
Standby (ISB)1
X
L
X
X
Deselect
High-Z
Standby (ISB)1
L
H
L
X
Write
DIN
Operating (ICC)1
L
H
H
L
Read
DOUT
Operating (ICC)
L
H
H
H
Output disable
High-Z
Operating (ICC)
NOTE:
1.
X = H or L
I/O8
A8
A9
A12
25
24
2
11
15
18
5164A-2
MEMORY
ARRAY
(256 x 256)
13
17
12
16
A7 3
WE
A6 4
A5 5
27
A4 6
I/O
CIRCUITS
COLUMN DECODERS
VCC
GND
OE
I/O7
I/O6
I/O5
I/O4
I/O3
I/O2
I/O1
22
19
COLUMN ADDRESS
BUFFER
10
A0
A1
A2
A10
21
9
8
28
14
A3 7
CE1 20
26
CE2
DATA CONTROL
A11
23
NOTE: Pin numbers apply to 28-pin DIP, SK-DIP, or SOP.
Figure 3. LH5164A/AH Block Diagram
PIN DESCRIPTION
SIGNAL
PIN NAME
A0 - A12
Address inputs
CE1 - CE2
Chip Enable input
WE
Write Enable input
OE
Output Enable input
SIGNAL
PIN NAME
I/O1 - I/O8
Data inputs and outputs
VCC
Power supply
GND
Ground
NC
No connection
LH5164A/AH
CMOS 64K (8K
× 8) Static RAM
2



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