46
AVR-4806 / AVC-A11XV
CY7C1049CV33-10ZC (IC802,803) ETHERNET P.W.B.
LMS2021MX (IC707) CONNECT P.W.B.
14
15
A
1
A
2
A
3
A
4
A
5
A
6
A
7
A
8
COLUMN
DECODER
R
O
W
DE
CO
DE
R
SEN
S
E
AM
PS
INPUT BUFFER
DOWN
WE
OE
I/O
0
I/O
1
I/O
2
I/O
3
512K x 8
ARRAY
I/O
7
I/O
6
I/O
5
I/O
4
A
0
A
11
A
13
A
12
A
CE
A
A
16
A
17
A
9
A
18
A
10
Top View
A
1
A
2
A
3
A
4
A
5
A
6
A
7
A
8
WE
V
CC
V
SS
A
18
A
15
A
12
A
14
I/O
5
I/O
4
A
9
A
0
I/O
0
I/O
1
I/O
2
I/O
3
OE
A
17
A
16
A
13
CE
NC
NC
NC
NC
I/O
7
I/O
6
V
CC
V
SS
A
10
A
11
NC
NC
NC
NC
NC
NC
1
2
3
4
5
6
7
8
37
40
39
38
41
44
43
42
9
10
11
14
31
32
36
35
34
33
12
13
16
15
29
30
18
19
20
21
22
17
27
26
25
24
23
28
POWER
P
i
n Funct
i
on
External capacitor connection pins.
R
ecommended external capacitor C1 = 0.1μF (6.
3V
)
Positive supply for TI
A
/EI
A
-2
3
2E drivers.
R
ecommended external capacitor C4 = 0.1μF (6.
3V
)
External capacitor connection pins.
R
ecommended external capacitor C2 = 0.1μF (16
V
)
6
V
−
N
egative supply for TI
A
/EI
A
-2
3
2E drivers.
R
ecommended external capacitor C
3
= 0.1μF (16
V
)
7, 14
T1out, T2out
Transmitter output pins conform to TI
A
/EI
A
-2
3
2E levels. The typical transmitter output swing is
±
8
V
when loaded
3
k
Ω
load to ground. The open-circuit output voltage swings from (
V
+ − 0.6
V
)
to
V
−
8,1
3
R
1in,
R
2in
R
eceiver inputs accept TI
A
/EI
A
-2
3
2
9
, 12
R
1out and
R
2out
R
eceiver output pins are TTL/CMO
S
compatible
10, 11
Tin1, Tin2
Transmitter input pins are TTL/CMO
S
compatible. Inputs of transmitter do not have pull-up
resistors. Connect all unused transmitter inputs to ground
15
G
N
D
Ground pin
16
V
S
Power supply pin for the device, +5
V
(
±
10%)
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9
2
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4
2
9
8
0
5
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7
3
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Q
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