User manual
Page 44
Document No. 80-15151 Issue 6 HEBER LTD
Figure 7 - Schematic Sheet 7 - Inputs
R19
47K 2%
D0
SEL0
IP2
N3
3K3*8 SIL
1
2
3
4
5
6
7
8
9
U14
74HC253
67
5
4
3
109
11
12
13
14
2
1
15
1C01Y
1C1
1C2
1C3
2C02Y
2C1
2C2
2C3
A
B
1G
2G
VCC
R30
47K 2%
IP10
IP31
R7
47K 2%
R21
47K 2%
R11
47K 2%
R20
47K 2%
SW1
8W DIL SW
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
N12
3K3*8 SIL
1
2
3
4
5
6
7
8
9
IP9
SEL1
IP30
D8
56-15084 11r2
PLUTO 5 - INPUTS
HEBER LTD.
Belvedere Mill
Chalfor d, Stroud, GL6 8NT
Tel: +44 (0) 1453 886000
Fax: +44 (0) 1 453 885 013
A3
713Tuesday , August 12, 2003
Title
Size Document Number Rev
Date: Sheet
of
D3
IP8
SEL1
GND
SEL0
U12
74HC253
67
5
4
3
109
11
12
13
14
2
1
15
1C01Y
1C1
1C2
1C3
2C02Y
2C1
2C2
2C3
A
B
1G
2G
GND
IP28
VCC
R12
47K 2%
R23
47K 2%
R1
47K 2%
IP29
R14
47K 2%
R27
47K 2%
D10
CS_IP-3
IP26
IP22
IP6
SEL1
R8
47K 2%
SEL1
R22
47K 2%
U13
74HC253
67
5
4
3
109
11
12
13
14
2
1
15
1C01Y
1C1
1C2
1C3
2C02Y
2C1
2C2
2C3
A
B
1G
2G
IP20
VCC
GND
IP12
R25
47K 2%
R28
47K 2%
IP21
IP[0..3 1] 9
VCC
D4
GND
R31
47K 2%
D2
R32
47K 2%
N4
3K3*8 SIL
1
2
3
4
5
6
7
8
9
D6
D[0..15]
R24
47K 2%
R2
47K 2%
SEL0
R26
47K 2%
VCC
IP27
IP4
D1
IP13
N2
3K3*8 SIL
1
2
3
4
5
6
7
8
9
IP7
R9
47K 2%
N1
3K3*8 SIL
1
2
3
4
5
6
7
8
9
R4
47K 2%
IP0
IP19
D11
IP15
N13
3K3*8 SIL
1
2
3
4
5
6
7
8
9
SW2
8W DIL SW
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
IP23
D7
SEL0
IP11
D5
© HEBER LTD, 1996-2002
D9
VCC
IP18
D[0..15]2,3,4,6,9
R29
47K 2%
IP16
IP5
U11
74HC253
67
5
4
3
109
11
12
13
14
2
1
15
1C01Y
1C1
1C2
1C3
2C02Y
2C1
2C2
2C3
A
B
1G
2G
SEL[0..2]
R6
47K 2%
R15
47K 2%
U9
74HC253
67
5
4
3
109
11
12
13
14
2
1
15
1C01Y
1C1
1C2
1C3
2C02Y
2C1
2C2
2C3
A
B
1G
2G
VCC
IP[0. .3 1]
IP25
IP14
R18
47K 2%
SEL1
U10
74HC253
67
5
4
3
109
11
12
13
14
2
1
15
1C01Y
1C1
1C2
1C3
2C02Y
2C1
2C2
2C3
A
B
1G
2G
VCC
C5
100n
SEL0
R16
47K 2%
IP24
NOTE: SEL0-2 ARE INVERTED A1-3
SEL[0..2]6
IP17
IP1
IP3
R10
47K 2%
C6
100n
SEL1
R5
47K 2%
R3
47K 2%
R13
47K 2%
R17
47K 2%
SEL0