Output Line Reference Chart - Texas Instruments 990 Maintenance Manual

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Table 5-2. Output Line Reference Chart
Line P2 Pin Transistor Flip-Flop Flip-Flop Pin No. CLK
Mult.
No. No. Ref. No. Ref. No. Data In/Out Pin No.
Out
OUTO- 2 Q26 U16
12/8
11
0
OUT!- 3
Q21
U16 2/6
3
OUT2- 4 Q27 U17
12/8
11
2
OUT3-
s
Q22 U17
2/6
3
3
OUT4-
6
Q29 U18
2/6
3 4
OUTS- 7 Q28 U18 12/8 11
s
OUT6-
s
Q32 U20
2/6
3 6
OUT7- 9 Q30 U20
12/S
11
7
OUTS- 10 Ql4 U1
2/6
3
s
OUT9- 11 Q13 U1
12/8
11 9
OUT IO- 12 QIS
U6 2/6
3 10
OUTll- 13
Q20
U6 12/8
11 11
OUT12-- 14 Q23 U9
2/6
3 12
OUT13- 15 Q31 U9
12/8
11 13
OUT14- 16 Q24
UIO
12/8
11
14
OUTIS- 17 Q25 UIO
2/6
3 15
Table 5-3. Input Line Reference Chart
Line No. Transistor Ref. No.
Multiplexer Pin No.
INO- Q2
8
INl- QI 7
IN2- Q7 6
IN3-
QB
s
IN4- Q9 4
INS- QIO
3
IN6-
Qll
2
IN7- QI2
INS- Q3
23
IN9- Q4 22
INIO- QS 21
INll- Q6
20
IN12-
Ql6 19
IN13- QI7
lS
IN14- QIS
17
INIS-
QI9
16
5-6
Digital Systems Division