Tektronix Webcam 070-8030-01 User Manual
NC
NC
+5V
+5V
+5V
H2
ROM
<16>
C1
AD[0..15]
AD[0..15]
ADDRESS
MULTIPLEXER
IA[0..23]
<16>
H1
IA[0..23]
J453
RAM PART SELECTION
2-3 512K RAM INSTALLED
1-2 128K RAM INSTALLED (NORM)
1
2
3
J453
P453
IA1
IA10
IA2
IA11
IA3
IA12
IA4
IA17
IA9
/COL
1A
2
1Y
4
1B
3
2A
5
2Y
7
2B
6
3A
11
3Y
9
3B
10
4A
14
4Y
12
4B
13
A/B
1
G
15
U353
74ALS158
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q7
Q0
Q1
Q2
Q3
DRAM
AD0
AD1
AD2
AD3
Q6
Q0
Q1
Q2
Q3
Q5
Q7
Q4
A0
14
A1
13
A2
12
A3
11
A4
8
A5
7
A6
6
A7
10
DQ1
2
DQ2
3
DQ3
15
DQ4
17
RAS
5
CAS
16
OE
1
WE
4
GND 18
VCC
9
U150
M5M4464P-12
AD0
AD1
AD2
AD3
A0
11
A1
12
A2
13
A3
14
A4
16
A5
17
A6
18
A7
19
DQ1
6
DQ2
7
DQ3
3
DQ4
4
A8
20
RAS
9
CAS
2
OE
1
WE
8
NC 10
VCC
15
GND 5
U151
M5M44C256L-12
ID0
ID1
ID2
ID3
ID4
ID5
ID6
ID7
IA1
IA2
IA3
IA4
IA5
IA6
IA7
IA8
IA9
IA10
A0
12
A1
11
A2
10
A3
9
A4
8
A5
7
A6
6
A7
5
A8
27
A9
26
A10
23
A11
25
A12
4
A13
28
A14
29
A15
3
A16
2
CE
22
OE
24
VPP
1
PGM
31
O0
13
O1
14
O2
15
O3
17
O4
18
O5
19
O6
20
O7
21
NC
30
U310
27C010
<16>
ID[0..15]
ID[0..15]
IA11
IA12
IA13
IA14
IA15
IA17
/ROMCS
/RD
IA16
+5V
+5V
NC
AD6
AD5
AD4
AD7
+5V
A0
11
A1
12
A2
13
A3
14
A4
16
A5
17
A6
18
A7
19
DQ1
6
DQ2
7
DQ3
3
DQ4
4
A8
20
RAS
9
CAS
2
OE
1
WE
8
NC
10
VCC
15
GND
5
U156
M5M44C256L-12
AD4
AD5
AD6
AD7
/RAS
/LCAS
Q8
Q6
Q0
Q1
Q2
/PERWR
+5V
A0
14
A1
13
A2
12
A3
11
A4
8
A5
7
A6
6
A7
10
DQ1
2
DQ2
3
DQ3
15
DQ4
17
RAS
5
CAS
16
OE
1
WE
4
GND
18
VCC
9
U155
M5M4464P-12
Q0
Q1
Q2
Q3
Q4
/RAS
/LCAS
Q4
Q5
Q6
Q7
/PERWR
Q8
IA13
IA5
IA14
IA6
IA15
IA7
IA16
IA8
1A
2
1Y
4
1B
3
2A
5
2Y
7
2B
6
3A
11
3Y
9
3B
10
4A
14
4Y
12
4B
13
A/B
1
G
15
U357
74ALS158
C210
.1UF
C150
.1UF
C155
.1UF
+5V
+5V
+5V
C215
.1UF
C220
.1UF
C457
.1UF
C255
.1UF
C257
.1UF
C261
.1UF
+5V
+5V
+5V
+5V
+5V
+5V
IA9
/COL
/COL
/COL
+5V
R450
4.75K
12
13
11
U450D
74ALS00
Q5
Q6
Q7
Q0
/RAS
/LCAS
/PERWR
9
10
8
U450C
74ALS00
1
2
3
U450A
74ALS00
4
5
6
U450B
74ALS00
AD8
/RAS
/LCAS
Q3
Q5
Q7
Q4
Q8
/PERWR
+5V
A0
14
A1
13
A2
12
A3
11
A4
8
A5
7
A6
6
A7
10
DQ1
2
DQ2
3
DQ3
15
DQ4
17
RAS
5
CAS
16
OE
1
WE
4
GND
18
VCC
9
U157
M5M4464P-12
NC
+5V
ID8
ID9
ID10
ID11
ID12
ID13
ID14
ID15
IA1
IA2
IA3
IA4
IA5
IA6
IA7
IA8
IA9
A0
12
A1
11
A2
10
A3
9
A4
8
A5
7
A6
6
A7
5
A8
27
A9
26
A10
23
A11
25
A12
4
A13
28
A14
29
A15
3
A16
2
CE
22
OE
24
VPP
1
PGM
31
O0
13
O1
14
O2
15
O3
17
O4
18
O5
19
O6
20
O7
21
NC
30
U315
27C010
IA10
IA11
IA12
IA13
IA14
IA15
IA17
/ROMCS
/RD
IA16
+5V
<16>
NC
E5
/ROMCS
AD9
AD8
AD10
AD11
A0
11
A1
12
A2
13
A3
14
A4
16
A5
17
A6
18
A7
19
DQ1
6
DQ2
7
DQ3
3
DQ4
4
A8
20
RAS
9
CAS
2
OE
1
WE
8
NC
10
VCC
15
GND
5
U158
M5M44C256L-12
AD9
AD10
AD11
Q6
Q0
Q1
Q2
Q3
Q5
Q7
Q4
Q8
/HCAS
/RAS
+5V
<20>
<20>
A1
A2
/LATCH1
/LATCH2
Q1
Q2
Q3
Q4
Q5
Q6
Q7
/RAS
/HCAS
/PERWR
+5V
+5V
+5V
R460
4.75K
R456
4.75K
IA18
IA1
LATCH
1A
2
1Y
4
1B
3
2A
5
2Y
7
2B
6
3A
11
3Y
9
3B
10
4A
14
4Y
12
4B
13
A/B
1
G
15
U457
74ALS257
<16>
D4
D4
D3
CONTROL
DRAM
FCLK
CTTL
/HBE
IA23
IA0
I/CK
1
I
2
I
3
I
4
I
5
I
6
I
7
I
8
I
9
I
10
I
11
I
13
I/O
23
I/O
22
I/O
21
I/O
20
I/O
19
I/O
18
I/O
17
I/O
16
I/O
15
I/O
14
U361
22V10-25
NC
/ROEN
/CYC2
/ROEN
/COL
LATCH
/CYC2
+5V
R363
4.75K
R361
33.2
NC
<20>
E5
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q7
/RAS
/HCAS
AD12
AD13
AD14
AD15
Q6
Q0
Q1
Q2
Q3
Q5
Q7
/PERWR
A0
14
A1
13
A2
12
A3
11
A4
8
A5
7
A6
6
A7
10
DQ1
2
DQ2
3
DQ3
15
DQ4
17
RAS
5
CAS
16
OE
1
WE
4
GND
18
VCC
9
U160
M5M4464P-12
AD14
AD13
AD12
AD15
+5V
A0
11
A1
12
A2
13
A3
14
A4
16
A5
17
A6
18
A7
19
DQ1
6
DQ2
7
DQ3
3
DQ4
4
A8
20
RAS
9
CAS
2
OE
1
WE
8
NC
10
VCC
15
GND
5
U161
M5M44C256L-12
A0
10
A1
9
A2
8
A3
7
A4
6
A5
5
A6
4
A7
3
A8
25
A9
24
A10
21
A11
23
A12
2
WE
27
D0
11
D1
12
D2
13
D3
15
D4
16
D5
17
D6
18
D7
19
OE
22
A13/NC
26
A14/NC
1
CE
20
U320
DS1225Y
ID0
ID1
ID2
ID3
ID4
ID5
ID6
ID7
IA0
IA1
IA2
IA3
IA4
IA5
IA6
IA7
IA8
+5V
SEE ELECTRICAL PARTS LIST
PARTS WITHIN BOX
HAVE BEEN CHANGED
IN REAR OF MANUAL
NVRAM
IA9
IA10
IA11
IA12
IA13
IA14
<16>
<16>
NC
D3
<16>
D4
FOR DEVELOPMENTAL USE ONLY.
E5
/NVRAMCS
/RD
/WR
+5V
NOTE: IC'S ARE NOT INSTALLED.
/RAS
/HCAS
Q4
Q8
/PERWR
+5V
<21>
A4
/PERWR
NC
/PERWR
/RAS
/HCAS
/PERWR
/LCAS
R362
33.2
R364
33.2
NC
NC
NC
D4
D3
E4
RSTO
/ADS
/DDIN
/HOLDA
CPUGO
1
2
3
U595A
74ALS00
4
5
6
U595B
74ALS00
<16>
D4
1780R–SERIES
/COL
DYNAMIC RAM, ROM, & NOVRAM <17>
PART OF A5 MICROPROCESSOR BOARD