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Replaceable Electrical Parts
1780R-Series Service Manual
8–77
Replaceable electrical parts list (cont.)
Component
number
Mfr. part numberMfr. codeName & description
Serial no.
discont’d
Serial no.
effective
Tektronix
part number
A4U346 156–0513–03 ICSC:CMOS,ANALOG MUX,8
CHANNEL,4051B,DIP16.3,TUBE
04713 MC14051BCP
A4U348 156–0513–03 ICSC:CMOS,ANALOG MUX,8
CHANNEL,4051B,DIP16.3,TUBE
04713 MC14051BCP
A4U355 156–1200–00 IC,LINEAR:BIFET,OP–AMP,QUAD,
TL074CN/LF347N/MC34004P,DIP14.3
01295 TL074CN
A4U357 156–2463–00 IC,DIGITAL:HCMOS,GATE,QUAD 2–INPUT
OR,74HC32,DIP14.3,TUBE
01295 SN74HC32N
A4U383 156–0048–00 IC,LINEAR:BIPOLAR,TRANSISTOR ARRAY,(5),NPN,
(1)DIFF PAIR, (3)IND,15V,50MA,300MHZ,AMPLIFIER,C
04713 MC3346P
A4U395 156–0048–00 IC,LINEAR:BIPOLAR,TRANSISTOR ARRAY,(5),NPN,
(1)DIFF PAIR, (3)IND,15V,50MA,300MHZ,AMPLIFIER,C
04713 MC3346P
A4U406 156–1850–00 ICSC:CMOS,ANALOG SWITCH,QUAD,DG211,DIP16.3 17856 DG211CJ
A4U414 156–1191–00 IC,LINEAR:BIFET,OP–AMP,DUAL,
TL072CN/LF353N,DIP08.3
01295 TL072CP
A4U420 156–0388–00 IC,DIGITAL:LSTTL,FLIP FLOP,DUAL
D–TYPE,SET,CLEAR,74LS74,DIP14.3,TUBE
01295 SN74LS74AN
A4U423 156–0784–00 IC,DIGITAL:LSTTL,COUNTER,SYNCH 4–BIT
BINARY,74LS163,DIP16.3,TUBE
01295 SN74LS163AN
A4U426 160–8232–00 IC,DIGITAL:CMOS,PLD,EEPLD,20V8,15NS,115MA,
PRGM 156–3212–01,20V8–15,DIP24.3
TK0198 160823200
*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*
A4U429 156–0388–00 IC,DIGITAL:LSTTL,FLIP FLOP,DUAL
D–TYPE,SET,CLEAR,74LS74,DIP14.3
01295 SN74LS74AN
A4U446 156–1631–00 IC,LINEAR:BIPOLAR,VOLTAGE REGULATOR,
SHUNT,ADJUSTABLE,100MA,TL431CLP,TO–92
01295 TL431CLP
A4U451 156–1200–00 IC,LINEAR:BIFET,OP–AMP,QUAD,TL074CN/LF347N/MC
34004P,DIP14.3
01295 TL074CN
A4U457 156–1200–00 IC,LINEAR:BIFET,OP–AMP,QUAD,TL074CN/LF347N/MC
34004P,DIP14.3
01295 TL074CN
A4U466 156–1200–00 IC,LINEAR:BIFET,OP–AMP,QUAD,TL074CN/LF347N/MC
34004P,DIP14.3
01295 TL074CN
A4U471 156–1200–00 IC,LINEAR:BIFET,OP–AMP,QUAD,TL074CN/LF347N/MC
34004P,DIP14.3
01295 TL074CN
A4U478 156–0067–00 IC,LINEAR:BIPOLAR,OP–AMP,741C,DIP08.3 01295 UA741CP
A4U486 156–0048–00 IC,LINEAR:BIPOLAR,TRANSISTOR ARRAY,(5),NPN,
(1)DIFF PAIR,(3)IND,15V,50MA,300MHZ,AMPLIFIER,C
04713 MC3346P
A4U489 156–1200–00 IC,LINEAR:BIFET,OP–AMP,QUAD,TL074CN/LF347N/MC
34004P,DIP14.3
01295 TL074CN
A4U491 156–0048–00 IC,LINEAR:BIPOLAR,TRANSISTOR ARRAY,(5),NPN,
(1)DIFF PAIR,(3)IND,15V,50MA,300MHZ,AMPLIFIER,C
04713 MC3346P
A4Y105 158–0362–00 XTAL UNIT,QTZ:10MHZ 14301 016–210–00051