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Replaceable Electrical Parts
8–76
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
A4U167 156–2558–00 IC,LINEAR:BIPOLAR,VOLTAGE REGULATOR,
POSITIVE,12V,1.5A,2%,MC7812ACT,TO–220
01295 TL780–12CKC
A4U202 156–0381–00 IC,DIGITAL:LSTTL,GATE,QUAD 2–INPUT
XOR,74LS86,DIP14.3,TUBE
01295 SN74LS86AN
A4U207 156–1324–00 IC,LINEAR:BIPOLAR,COMPARATOR,TTL,20NS,COMPL
EMENTARY OUTPUT,W/STROBES,LM361N,DIP14.3
1CH66 NE529N SUPR II–B
A4U211 156–1191–00 IC,LINEAR:BIFET,OP–AMP,DUAL,
TL072CN/LF353N,DIP08.3
01295 TL072CP
A4U218 156–1600–00 IC,DIGITAL:LSTTLSC,DUAL RETRIG MONOSTABLE
MULTIVIBRATOR,74LS123,DIP16.3,TUBE
01295 SN74LS123N
A4U223 156–0388–00 IC,DIGITAL:LSTTL,FLIP FLOP,DUAL
D–TYPE,SET,CLEAR,74LS74,DIP14.3,TUBE
01295 SN74LS74AN
A4U226 156–0982–00 IC,DIGITAL:LSTTL,FLIP FLOP,OCTAL
D–TYPE,3–STATE,74LS374,DIP20.3,TUBE
01295 SN74LS374N
A4U233 156–0982–00 IC,DIGITAL:LSTTL,FLIP FLOP,OCTAL
D–TYPE,3–STATE,74LS374,DIP20.3,TUBE
01295 SN74LS374N
A4U236 156–0982–00 IC,DIGITAL:LSTTL,FLIP FLOP,OCTAL
D–TYPE,3–STATE,74LS374,DIP20.3,TUBE
01295 SN74LS374N
A4U239 156–0982–00 IC,DIGITAL:LSTTL,FLIP FLOP,OCTAL
D–TYPE,3–STATE,74LS374,DIP20.3,TUBE
01295 SN74LS374N
A4U243 156–0982–00 IC,DIGITAL:LSTTL,FLIP FLOP,OCTAL
D–TYPE,3–STATE,74LS374,DIP20.3,TUBE
01295 SN74LS374N
A4U248 156–3107–00 IC,DIGITAL:HCMOS,FLIP FLOP,OCTAL
D–TYPE,3–STATE,74HC374,DIP20.3
01295 SN74HC374N
A4U251 156–1367–00 IC,CONVERTER:CMOS,D/A,8BIT,400NS,CURRENT
OUT,MPU
COMPATIBLE,MULTIPLYING,AD7524JN,DIP16.3
24355 AD7524JN
A4U262 156–2559–00 IC,LINEAR:BIPOLAR,VOLTAGE REGULATOR,
NEGATIVE,–12V,1.5A,2%,MC7912ACT,TO–220
04713 MC7912ACT
A4U289 156–2101–00 IC,DIGITAL:ALSTTL,GATE,DUAL 4–INPUT
NAND,74ALS20,DIP14.3,TUBE
01295 SN74ALS20AN
A4U302 156–1191–00 IC,LINEAR:BIFET,OP–AMP,DUAL,
TL072CN/LF353N,DIP08.3
01295 TL072CP
A4U318 156–1324–00 IC,LINEAR:BIPOLAR,COMPARATOR,TTL,20NS,COMPL
EMENTARY OUTPUT,W/STROBES,LM361N,DIP14.3
1CH66 NE529N SUPR II–B
A4U329 156–0469–00 IC,DIGITAL:LSTTL,DECODER,1–OF–8,ACTIVE
LOW,74LS138,DIP16.3,TUBE
01295 SN74LS138N
A4U333 156–0784–00 IC,DIGITAL:LSTTL,COUNTER,SYNCH 4–BIT
BINARY,74LS163,DIP16.3,TUBE
01295 SN74LS163AN
A4U336 156–0784–00 IC,DIGITAL:LSTTL,COUNTER,SYNCH 4–BIT
BINARY,74LS163,DIP16.3,TUBE
01295 SN74LS163AN
A4U339 156–0784–00 IC,DIGITAL:LSTTL,COUNTER,SYNCH 4–BIT
BINARY,74LS163,DIP16.3,TUBE
01295 SN74LS163AN
A4U343 156–1191–00 IC,LINEAR:BIFET,OP–AMP,DUAL,
TL072CN/LF353N,DIP08.3
01295 TL072CP