MA818
PIN DESCRIPTIONS
Pin.no.
DC/DG/DP40
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
Pin.no.
HP44
2
3
4
5
6
7
8
9
10
11
13
14
15
16
17
18
19
20
21
22
24
25
26
27
28
29
30
31
32
33
35
36
37
38
39
40
41
42
43
44
Name
AD
0
AD
1
AD
2
AD
3
AD
4
AD
5
AD
6
AD
7
Intel: WR
Motorola: R/W
Intel: RD
Motorola: DS
Intel: ALE
Motorola: AS
RST
CLK
CS
TRIP
ZPP
RPHB
YPHB
BPHB
V
SS
BPHT
YPHT
RPHT
SET TRIP
D
3
D
2
D
1
D
0
A
0
A
1
A
2
A
3
A
4
A
5
A
6
A
7
A
8
A
9
A
10
V
DD
Type
I
I
I
I
I
I
I
I
I
I
I
I
I
I
O
O
O
O
O
P
O
O
O
I
I
I
I
I
O
O
O
O
O
O
O
O
O
O
O
P
Function
Multiplexed Address/Data (LSB)
Multiplexed Address/Data
Multiplexed Address/Data
Multiplexed Address/Data
Multiplexed Address/Data
Multiplexed Address/Data
Multiplexed Address/Data
Multiplexed Address/Data(MSB)
Intel bus control: Write Strobe
Motorola bus control: Read/Write select
Intel bus control: Read Strobe
Motorola bus control: Data Strobe
Intel bus control: Address Latch Enable
Motorola bus control: Address Strobe
Reset internal counters, active low
Clock input
Chip Select input, active low
Output trip status; low = output tripped
Zero Phase Pulse
Red Phase, Bottom power switch
Yellow Phase, Bottom power switch
Blue Phase, Bottom power switch
Negative power supply (0V)
Blue Phase, Top power switch
Yellow Phase, Top power switch
Red Phase, Top power switch
Set output trip. 90kΩ internal pull-up resistor
Eprom Data (LSB)
Eprom Data
Eprom Data
Eprom Data (MSB)
Eprom Address (LSB)
Eprom Address
Eprom Address
Eprom Address
Eprom Address
Eprom Address
Eprom Address
Eprom Address
Eprom Address
Eprom Address
Eprom Address (LSB)
Positive power supply
2
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