Replaceable Electrical Parts
1780R-Series Service Manual 8–87
Replaceable electrical parts list (cont.)
Component
number Mfr. part numberMfr. codeName & description
Serial no.
discont’d
Serial no.
effective
Tektronix
part number
*END MOUNTING PARTS*
A5U330 156–3669–00 IC,PROCESSOR:NMOS,PERIPHL,DUART,2681,DIP24.4 1CH66 SCN2681AC1N24
A5U340 156–5701–00 IC,PROCESSOR:CMOS,MICROPROCESSOR,16–BIT,10
MHZ,32CG16,PLCC68,TUBE 27014 NS32CG16V–10E
*MOUNTING PARTS*
136–0871–00 SOCKET,PLCC::PCB,68 POS,0.05 CTR,0.360 H X 0.125
TAIL,TIN,0.1 CTR PCB,0.060 SHOULDER HEIGHT 00779 3–821574–1
*END MOUNTING PARTS*
A5U344 156–2396–00 IC,MISC:BIPOLAR,PWR SUPPLY SUPERVISOR,MPU
RESET GENERATOR,5V SUPPLY SENSING,TL7705ACP 01295 TL7705ACP
A5U345 160–6012–00 MICROCKT,DGTL:CMOS,PLD,PRGM 22V10–25 DIP24.3 TK0198 160601200
*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*
A5U350 160–6016–00 IC,DIGITAL:CMOS,PLD,EEPLD,16V8,25NS,90MA,PRGM
156–2983–00,16V8–25,DIP20.3 80009 160–6016–00
*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*
A5U353 156–2161–00 IC,DIGITAL:ALSTTL,MUX,QUAD INVERT
2–TO–1,ENABLE,74ALS158,DIP16.3,TUBE 01295 SN74ALS158N
A5U357 156–2161–00 IC,DIGITAL:ALSTTL,MUX,QUAD INVERT
2–TO–1,ENABLE,74ALS158,DIP16.3,TUBE 01295 SN74ALS158N
A5U361 160–6012–00 MICROCKT,DGTL:CMOS,PLD,PRGM 22V10–25
DIP24.3 TK0198 160601200
*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*
A5U367 156–5526–00 IC,PROCESSOR:CMOS,MICROCOMPUTER,8–BIT,
12MHZ,ROMLESS,128X8 RAM,(7)8–BIT I/O
PORTS,SERIAL I/O,8
1CH66 SC80C451CCA68
*MOUNTING PARTS*
136–0871–00 SOCKET,PLCC:PCB,68 POS,0.05 CTR,0.360 H X 0.125
TAIL,TIN,0.1 CTR PCB,0.060 SHOULDER HEIGHT 00779 3–821574–1
*END MOUNTING PARTS*
A5U375 156–2356–00 IC,DIGITAL:HCTCMOS,LATCH,OCTAL D–TYPE,FLOW
THRU,3–STATE,74HCT573,DIP20.3,TUBE 01295 SN74HCT573N
A5U376 156–2357–00 IC,DIGITAL:HCTCMOS,FLIP FLOP,OCTAL D–
TYPE,FLOW THRU,3–STATE,74HCT574,DIP20.3,TUBE 01295 SN74HCT574N
A5U380 156–2096–00 IC,DIGITAL:ALSTTL,FLIP FLOP,QUAD
D–TYPE,CLEAR,74ALS175,DIP16.3,TUBE 01295 SN74ALS175N