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Replaceable Electrical Parts
8–158
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
A15U251 156–2992–00 IC,MEMORY:CMOS,SRAM,2K X 8,35NS,OE,DIP24.3 62786 HM6716P–35
A15U260 156–2992–00 IC,MEMORY:CMOS,SRAM,2K X 8,35NS,OE,DIP24.3 62786 HM6716P–35
A15U261 160–6005–01 IC,DIGITAL:CMOS,PLD,EEPLD,16V8,25NS,90MA,PRGM
156–2983–00,16V8–25,DIP20.3
TK0198 160600501
*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*
A15U270 156–1754–02 IC,DIGITAL:ALSTTL,BUFFER,OCTAL,HIGH
DRIVE,3–STATE,74ALS244–1,DIP20.3,TUBE
07263 DM74ALS244AN
A15U271 160–6003–01 IC,DIGITAL:CMOS,PLD,OPT,22V10,25NS,33.3MHZ,90MA
,PRGM 156–3243–00,22V10–25,DIP24.3
TK0198 160600301
*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*
A15U280 160–6005–01 IC,DIGITAL:CMOS,PLD,EEPLD,16V8,25NS,90MA,PRGM
156–2983–00,16V8–25,DIP20.3
TK0198 160600501
*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*
A15U281 156–0545–00 IC,DIGITAL:CMOS,COUNTER,12–BIT
BINARY,4040B,DIP16.3
04713 MC14040BCP
A15U330 156–2377–00 IC,DIGITAL:ASTTL,MUX,QUAD
2–TO–1,3–STATE,74AS257,DIP16.3
01295 SN74AS257N
A15U400 156–1611–00 IC,DIGITAL:FTTL,FLIP FLOP,DUAL
D–TYPE,SET,CLEAR,74F74,DIP14.3
04713 MC74F74N
A15U410 156–0541–00 IC,DIGITAL:LSTTL,DECODER,DUAL 1–OF–4,ACTIVE
LOW,74LS139,DIP16.3
01295 SN74LS139AN
A15U430 156–1705–00 IC,DIGITAL:FTTL,ARITHMETIC FUNCTIONS,4–BIT
BINARY FULL ADDER,FAST CARRY,74F283,DIP16.3
04713 MC74F283N
A15U440 156–1705–00 IC,DIGITAL:FTTL,ARITHMETIC FUNCTIONS,4–BIT
BINARY FULL ADDER,FAST CARRY,74F283,DIP16.3
04713 MC74F283N
A15U441 156–1705–00 IC,DIGITAL:FTTL,ARITHMETIC FUNCTIONS,4–BIT
BINARY FULL ADDER,FAST CARRY,74F283,DIP16.3
04713 MC74F283N
A15U450 156–1705–00 IC,DIGITAL:FTTL,ARITHMETIC FUNCTIONS,4–BIT
BINARY FULL ADDER,FAST CARRY,74F283,DIP16.3
04713 MC74F283N
A15U451 156–2063–00 IC,DIGITAL:ALSTTL,FLIP FLOP,OCTAL
D–TYPE,3–STATE,74ALS374,DIP20.3
01295 SN74ALS374AN
A15U460 156–1748–00 IC,DIGITAL:ALSTTL,TRANSCEIVER,OCTAL,
3–STATE,74ALS1245,DIP20.3
01295 SN74ALS1245AN
A15U461 156–1722–00 IC,DIGITAL:FTTL,GATE,HEX INVERTER,74F04,DIP14.3 04713 MC74F04N