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Replaceable Electrical Parts
8–58
1780R-Series Service Manual
Replaceable electrical parts list (cont.)
Component
number
Mfr. part numberMfr. codeName & description
Serial no.
discont’d
Serial no.
effective
Tektronix
part number
A2U905 156–2584–00 IC,DIGITAL:HCMOS,FLIP FLOP,OCTAL
D–TYPE,CLEAR,74HC273,DIP20.3,TUBE
01295 SN74HC273N
A2U935 165–2243–00 MICROCKT,LINEAR:OP–AMP TK2601 165–2243–00
A2U958 156–0875–00 IC,DIGITAL:LSTTL,GATE,DUAL 2–WIDE,2–INPUT
AND–OR–INVERT,74LS51,DIP14.3,TUBE
01295 SN74LS51N
A2U961 156–2559–00 IC,LINEAR:BIPOLAR,VOLTAGE REGULATOR,
NEGATIVE,–12V,1.5A,2%,MC7912ACT,TO–220
04713 MC7912ACT
A2U975 156–2906–00 IC,DIGITAL:HCMOS,COUNTER,DUAL 4–BIT BINARY
RIPPLE,74HC393,DIP14.3,TUBE
04713 MC74HC393N
A2U977 160–6030–00 IC,DIGITAL:CMOS,PLD,EEPLD,16V8,25NS,90MA,PRGM
156–2983–00,16V8–25,DIP20.3
(1780R ONLY)
TK0198 160603000
A2U977 160–6028–00 IC,DIGITAL:CMOS,PLD,EEPLD,16V8,25NS,90MA,PRGM
156–2983–00,16V8–25,DIP20.3
(1781R ONLY)
TK0198 160602800
*MOUNTING PARTS*
136–0752–00 SOCKET,DIP:PCB,FEMALE,STR,2 X 10,0.3 CTR,0.210 H
X 0.128 TAIL,TIN,PHOS BRONZE,
98291 DIPS20PIT
*END MOUNTING PARTS*
A2U980 160–6020–00 IC,DIGITAL:CMOS,PLD,EEPLD,20V8,25NS,90MA,PRGM
156–3012–00,20V8–25,DIP24.3
(1780R ONLY)
TK0198 160602000
A2U980 160–6029–00 IC,DIGITAL:CMOS,PLD,EEPLD,20V8,25NS,90MA,PRGM
156–3012–00,20V8–25,DIP24.3
(1781R ONLY)
TK0198 160602900
*MOUNTING PARTS*
136–0925–00 SOCKET,DIP::PCB,24 POS,2 X 12,0.1 X 0.3 CTR,0.196 H
X 0.130 TAIL,BECU,TIN,ACCOM 0.008–0.015
00779 2–641932–3
*END MOUNTING PARTS*
A2U985 156–2009–01 IC,DIGITAL:HCMOS,FLIP FLOP,DUAL
D–TYPE,SET,CLEAR,74HC74,DIP14.3,TUBE
04713 MC74HC74AN
A2U990 160–6022–00 IC,DIGITAL:CMOS,PLD,EEPLD,16V8,25NS,90MA,PRGM
156–2983–00,16V8–25,DIP20.3
(1780R ONLY)
TK0198 160602200
A2U990 160–6026–00 IC,DIGITAL:CMOS,PLD,EEPLD,16V8,25NS,90MA,PRGM
156–2983–00,16V8–25,DIP20.3
(1781R ONLY)
TK0198 160602600
*MOUNTING PARTS*
136–0752–00 SOCKET,DIP:PCB,FEMALE,STR,2 X 10,0.3 CTR,0.210 H
X 0.128 TAIL,TIN,PHOS BRONZE,
98291 DIPS20PIT
*END MOUNTING PARTS*
A2U995 156–1973–00 IC,DIGITAL:FTTL,FLIP FLOP,QUAD D–TYPE,CLEAR,
COMPLEMENTARY OUTPUTS,74F175,DIP16.3,TUBE
01295 SN74F175N
A2U996 156–2906–00 IC,DIGITAL:HCMOS,COUNTER,DUAL 4–BIT BINARY
RIPPLE,74HC393,DIP14.3,TUBE
04713 MC74HC393N