SCALE
S
heet
DO
NO
T
CO
PY
NO
R
DISCLOSE T
O
ANY
TH
IR
D
P
A
R
TY
W
ITH
O
U
T W
R
ITTE
N
CO
NSENT
of
IRT Electronics Pty
. Ltd.
Drawing No.
CO
PY
RIG
H
T
ARTARM
O
N
NSW
AUSTRALIA 2064
N.T
.S.
804900
Rev
ision:
Date:
1
1-F
eb-2005
T
it
le
MMM-
4230
SIZE
A2
CHECKED
ENG.APR.
DRAW
N
13
C
H
A
_
IN
[8]
C
H
A
_
IN
[9]
IN
A
-
1
IN
A
+
2
A/
!B
3
!BI
S
TEN
4
IN
B
+
28
IN
B
-
27
M
ODE
26
REFCLK
25
RF
5
GND
6
!RDY
7
GND
8
Vccn
9
Qj (RVS)
10
Qh (Q7)
11
Qg (
Q
6
)
12
Qf (
Q
5
)
13
Qe
(
Q
3
)
15
Qi
(
Q
4
)
14
Qd
(
Q
2
)
16
Qc
(
Q
1
)
17
Qb
(
Q
0
)
18
Qa (SC/!D)
19
GND
20
Vccq
21
CKR
22
SO
23
Vccq
24
U3
CY7
B
9
3
3
Vc
c
1
Vc
c
2
EOM
3
Vc
c
4
CD
5
AE
C
+
6
AE
C
-
7
!DO
14
DO
13
!M
UTE
12
Ve
e
11
Ve
e
10
!DI
9
DI
8
U2
CL
C0
1
4
R6
75R
R5
75R
D1
BAS3
2
L
+5
V
B
+5
V
B
C4
100pF
R3 120R
C3
0.
1uF
C1
0.
1uF
R2
100R
R1
75R
L1
0.
022uH
Input-1
+5
V
B
+5
V
B
+5
V
B
C
H
A
_
IN
[7]
C
H
A
_
IN
[6]
C
H
A
_
IN
[5]
C
H
A
_
IN
[4]
C
H
A
_
IN
[3]
C
H
A
_
IN
[2]
C
H
A
_
IN
[1]
C
H
A
_
IN
[0]
CHA
_
CKR
CHA
_
REF
_
CLK
CHA
_
P
R
ES
R4
10K
CD1
1
10uF
CD1
2
0.
1uF
CD1
3
0.
1uF
CD1
4
0.
1uF
CHB_
IN
[8
]
CHB_
IN
[9
]
IN
A
-
1
IN
A
+
2
A/
!B
3
!BI
S
TEN
4
IN
B
+
28
IN
B
-
27
M
ODE
26
REFCLK
25
RF
5
GND
6
!RDY
7
GND
8
Vccn
9
Qj (RVS)
10
Qh (Q7)
11
Qg (
Q
6
)
12
Qf (
Q
5
)
13
Qe
(
Q
3
)
15
Qi
(
Q
4
)
14
Qd
(
Q
2
)
16
Qc
(
Q
1
)
17
Qb
(
Q
0
)
18
Qa (SC/!D)
19
GND
20
Vccq
21
CKR
22
SO
23
Vccq
24
U5
CY7
B
9
3
3
Vc
c
1
Vc
c
2
EOM
3
Vc
c
4
CD
5
AE
C
+
6
AE
C
-
7
!DO
14
DO
13
!M
UTE
12
Ve
e
11
Ve
e
10
!DI
9
DI
8
U4
CL
C0
1
4
R1
2
75R
R8
75R
D2
BAS3
2
L
+5
V
B
+5
V
B
C1
0
100pF
R1
1
120R
C8
0.
1uF
C9
0.
1uF
R1
0
100R
R1
4
75R
L2
0.
033uH
Input-3
+5
V
B
+5
V
B
+5
V
B
+5
V
B
CHB_
IN
[7
]
CHB_
IN
[6
]
CHB_
IN
[5
]
CHB_
IN
[4
]
CHB_
IN
[3
]
CHB_
IN
[2
]
CHB_
IN
[1
]
CHB_
IN
[0
]
CHB_
CKR
CHB_
REF
_
CLK
CHB_
P
R
ES
R6
5
10K
CD2
0
10uF
CD5
7
0.
1uF
CD5
3
0.
1uF
CD5
2
0.
1uF
CHC_
IN
[8
]
CHC_
IN
[9
]
IN
A
-
1
IN
A
+
2
A/
!B
3
!BI
S
TEN
4
IN
B
+
28
IN
B
-
27
M
ODE
26
REFCLK
25
RF
5
GND
6
!RDY
7
GND
8
Vccn
9
Qj (RVS)
10
Qh (Q7)
11
Qg (
Q
6
)
12
Qf (
Q
5
)
13
Qe
(
Q
3
)
15
Qi
(
Q
4
)
14
Qd
(
Q
2
)
16
Qc
(
Q
1
)
17
Qb
(
Q
0
)
18
Qa (SC/!D)
19
GND
20
Vccq
21
CKR
22
SO
23
Vccq
24
U7
CY7
B
9
3
3
Vc
c
1
Vc
c
2
EOM
3
Vc
c
4
CD
5
AE
C
+
6
AE
C
-
7
!DO
14
DO
13
!M
UTE
12
Ve
e
11
Ve
e
10
!DI
9
DI
8
U6
CL
C0
1
4
R1
7
75R
R2
1
75R
D3
BAS3
2
L
+5
V
B
+5
V
B
C1
1
100pF
R1
8
120R
C1
3
0.
1uF
C1
2
0.
1uF
R1
9
100R
R1
5
75R
L3
0.
022uH
Input-4
+5
V
B
+5
V
B
+5
V
B
+5
V
B
+5
V
B
CHC_
IN
[7
]
CHC_
IN
[6
]
CHC_
IN
[5
]
CHC_
IN
[4
]
CHC_
IN
[3
]
CHC_
IN
[2
]
CHC_
IN
[1
]
CHC_
IN
[0
]
CHC_
CKR
CHC_
REF
_
CLK
CHC_
P
R
ES
R6
8
10K
CD2
1
10uF
CD2
7
0.
1uF
CD2
2
0.
1uF
CD2
3
0.
1uF
+
C7
1uF
+
C1
4
1uF
+
C2
1uF
C5
0.
1uF
C6
0.
1uF
C1
5
0.
1uF
CD3
0.
1uF
CD5
0
0.
1uF
CD2
5
0.
1uF
R7
10K
R1
3
10K
R1
6
10K
+5
V
B
+5
V
B
+5
V
B
804900S
2
804900S
2.
S
C
H
804900S
3
804900S
3.
S
C
H
P
C
804998
47
R3
3
47
R6
9
47
R6
7
C
H
D
_
IN
[8]
C
H
D
_
IN
[9]
IN
A
-
1
IN
A
+
2
A/
!B
3
!BI
S
TEN
4
IN
B
+
28
IN
B
-
27
M
ODE
26
REFCLK
25
RF
5
GND
6
!RDY
7
GND
8
Vccn
9
Qj (RVS)
10
Qh (Q7)
11
Qg (
Q
6
)
12
Qf (
Q
5
)
13
Qe
(
Q
3
)
15
Qi
(
Q
4
)
14
Qd
(
Q
2
)
16
Qc
(
Q
1
)
17
Qb
(
Q
0
)
18
Qa (SC/!D)
19
GND
20
Vccq
21
CKR
22
SO
23
Vccq
24
U9
CY7
B
9
3
3
Vc
c
1
Vc
c
2
EOM
3
Vc
c
4
CD
5
AE
C
+
6
AE
C
-
7
!DO
14
DO
13
!M
UTE
12
Ve
e
11
Ve
e
10
!DI
9
DI
8
U8
CL
C0
1
4
R2
0
75R
R2
2
75R
D4
BAS3
2
L
+5
V
B
+5
V
B
C1
8
100pF
R2
8
120R
C2
0
0.
1uF
C1
9
0.
1uF
R4
2
100R
R6
4
75R
L4
0.
022uH
Input-2
+5
V
B
+5
V
B
+5
V
B
+5
V
B
+5
V
B
C
H
D
_
IN
[7]
C
H
D
_
IN
[6]
C
H
D
_
IN
[5]
C
H
D
_
IN
[4]
C
H
D
_
IN
[3]
C
H
D
_
IN
[2]
C
H
D
_
IN
[1]
C
H
D
_
IN
[0]
CHD_
CKR
CHD_
REF
_
CLK
CHD_
P
R
ES
R2
3
10K
CD1
10uF
CD2
0.
1uF
CD8
0.
1uF
CD1
0
0.
1uF
+
C2
1
1uF
CD3
1
0.
1uF
CD4
6
0.
1uF
R9
10K
47
R6
6
