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Replaceable Electrical Parts
1780R-Series Service Manual
8–123
Replaceable electrical parts list (cont.)
Component
number
Mfr. part numberMfr. codeName & description
Serial no.
discont’d
Serial no.
effective
Tektronix
part number
A7U307 156–1852–00 IC,DIGITAL:HCMOS,GATE,HEX
INVERTER,UNBUFFERED,74HCU04,DIP14.3,TUBE
04713 MC74HCU04N
A7U325 156–1367–00 IC,CONVERTER:CMOS,D/A,8BIT,400NS,CURRENTOUT,
MPU COMPATIBLE,MULTIPLYING,AD7524JN,DIP16.3
24355 AD7524JN
A7U330 156–0865–00 IC,DIGITAL:LSTTL,FLIP FLOP,OCTAL
D–TYPE,CLEAR,74LS273,DIP20.3,TUBE
01295 SN74LS273N
A7U335 156–0733–00 IC,DIGITAL:LSTTL,MULTIVIBRATOR,DUAL NON–
RETRIG MONOSTABLE, RESET, SCHMIT TRIG
INPUT,74LS221
01295 SN74LS221N
A7U338 156–2456–00 IC,DIGITAL:LSTTL,COUNTER,8–BIT BINARY, WITH
INPUT REGISTERS,74LS592,DIP16.3,TUBE
01295 SN74LS592N
A7U342 156–2456–00 IC,DIGITAL:LSTTL,COUNTER,8–BIT BINARY, WITH
INPUT REGISTERS,74LS592,DIP16.3,TUBE
01295 SN74LS592N
A7U345 156–0124–00 IC,LINEAR:TTL,MISC,PHASE–FREQ
DETECTOR,DUAL,MC4044P,DIP14.3
04713 MC4044P
A7U349 156–1191–00 IC,LINEAR:BIFET,OP–AMP,DUAL,
TL072CN/LF353N,DIP08.3
01295 TL072CP
A7U376 156–2761–01 IC,DIGITAL:HCMOS,MULTIVIBRATOR,DUPLICATE OF
156–2761–00,74HC221A,DIP16.3,TUBE
0JR04 TC74HC221AP
A7U383 156–1225–00 IC,LINEAR:BIPOLAR,COMPARATOR,DUAL,OPEN
COLLECTOR,300NS,LM393N,DIP08.3
01295 LM393P
A7U397 156–1324–00 IC,LINEAR:BIPOLAR,COMPARATOR,TTL,20NS,COMPL
EMENTARY OUTPUT,W/STROBES,LM361N,DIP14.3
1CH66 NE529N SUPR II–B
A7U403 160–6002–01 IC,DIGITAL:CMOS,PLD,OPT,22V10,25NS,33.3MHZ,90MA
,PRGM 156–3243–00,22V10–25,DIP24.3
TK0198 160600201
A7U407 156–0048–00 IC,LINEAR:BIPOLAR,TRANSISTOR ARRAY,(5),NPN,
(1)DIFF PAIR,(3)IND,15V,50MA,300MHZ,AMPLIFIER,C
04713 MC3346P
A7U415 156–1191–00 IC,LINEAR:BIFET,OP–AMP,DUAL,
TL072CN/LF353N,DIP08.3
01295 TL072CP
A7U417 156–0388–00 IC,DIGITAL:LSTTL,FLIP FLOP,DUAL
D–TYPE,SET,CLEAR,74LS74,DIP14.3,TUBE
01295 SN74LS74AN
A7U422 156–1338–00 IC,LINEAR:BIPOLAR,OP–AMP,HIGH OUTPUT
DRIVE,NE5534N,DIP08.3
01295 NE5534P
A7U425 156–2460–00 IC,MISC:BIPOLAR,MODULATOR/DEMODULATOR,
BALANCED,MC1496P,DIP14.3
04713 MC1496P
A7U445 156–1973–00 IC,DIGITAL:FTTL,FLIP FLOP,QUAD D–TYPE,CLEAR,
COMPLEMENTARY OUTPUTS,74F175,DIP16.3,TUBE
01295 SN74F175N
A7U449 156–0124–00 IC,LINEAR:TTL,MISC,PHASE–FREQ
DETECTOR,DUAL,MC4044P,DIP14.3
04713 MC4044P
A7U469 156–1997–00 IC,DIGITAL:FTTL,MUX,QUAD INVERT
2–TO–1,ENABLE,74F158,DIP16.3,TUBE
07263 74F158PC
A7U472 156–0680–02 IC,DIGITAL:CMOS,FLIP FLOP,DUAL
J–K,CLEAR,74C107,DIP14.3,SCRN
07263 MM74C107N/A+
A7U475 156–3140–00 IC,DIGITAL:HCTCMOS,GATE,TRIPLE 3–INPUT
NAND,74HCT10,DIP14.3,TUBE
1CH66 74HCT10N