Filter
Top Products
Replaceable Electrical Parts
8–88
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
A5U384 156–2096–00 IC,DIGITAL:ALSTTL,FLIP FLOP,QUAD
D–TYPE,CLEAR,74ALS175,DIP16.3,TUBE
01295 SN74ALS175N
A5U385 156–2357–00 IC,DIGITAL:HCTCMOS,FLIP FLOP,OCTAL D–TYPE,
FLOW THRU,3–STATE,74HCT574,DIP20.3,TUBE
01295 SN74HCT574N
A5U390 156–2210–00 IC,DIGITAL:ALSTTL,MUX,QUAD
2–TO–1,3–STATE,74ALS257,DIP16.3,TUBE
01295 SN74ALS257N
A5U392 156–3637–00 IC,DIGITAL:ACTCMOS,FLIP FLOP,HEX
D–TYPE,CLEAR,74ACT174,DIP16.3,TUBE
04713 MC74ACT174N
A5U395 156–3453–00 IC,MISC:TTL,INTERFACE,DIFFERENTIAL LINE DRIVER
/RECEIVER PAIR,MEETS RS–422A & RS–485 STAND
01295 SN75179BP
*MOUNTING PARTS*
136–0727–00 SOCKET,DIP:PCB,FEMALE,STR,2 X 4,0.3 CTR,0.175 H
X 0.130 TAIL,TIN,BECU
98291 DIPS08PIT
*END MOUNTING PARTS*
A5U430 119–1916–00 OSCILLATOR:CRYSTAL CONTROLLED,3.6864
MHZ,100PPM
08111 M1200–3.6864 MHZ
A5U450 156–2091–00 IC,DIGITAL:ALSTTL,GATE,QUAD 2–INPUT
NAND,74ALS00,DIP14.3,TUBE
01295 SN74ALS00AN
A5U453 156–2761–01 IC,DIGITAL:HCMOS,MULTIVIBRATOR,DUPLICATE OF
156–2761–00,74HC221A,DIP16.3,TUBE
0JR04 TC74HC221AP
A5U457 156–2210–00 IC,DIGITAL:ALSTTL,MUX,QUAD
2–TO–1,3–STATE,74ALS257,DIP16.3,TUBE
01295 SN74ALS257N
A5U467 156–3639–00 IC,CONVERTER:CMOS,D/A,12 BIT,VOLTAGE OUT,
W/REF,MPU COMP,PARALLEL LOAD,AD7245JN,DIP24.3
24355 AD7245JN
A5U470 156–3639–00 IC,CONVERTER:CMOS,D/A,12 BIT,VOLTAGE OUT,
W/REF,MPU COMP,PARALLEL LOAD,AD7245JN,DIP24.3
24355 AD7245JN
A5U475 156–2146–00 IC,MEMORY:CMOS,SRAM,2K X 8,150NS,OE,DIP24.3 62786 HM6116ASP–15
A5U476 160–6000–02 IC,DIGITAL:CMOS,EPROM,8192 X 8,27C64,PRGM
156–2858–00,DIP28.6
TK0198 160600002
*MOUNTING PARTS*
136–0755–00 SOCKET,DIP:PCB,FEMALE,STR,2 X 14,28 POS,0.1 X 0.6
CTR,0.175 H X 0.130 TAIL,BECU,TIN,ACCOM
98291 DIPS28PIT
*END MOUNTING PARTS*
A5U480 156–1920–00 IC,DIGITAL:HCTCMOS,BUFFER,OCTAL,3–STATE,74HC
T244,DIP20.3,TUBE
04713 MC74HCT244AN
A5U485 156–1920–00 IC,DIGITAL:HCTCMOS,BUFFER,OCTAL,3–STATE,74HC
T244,DIP20.3,TUBE
04713 MC74HCT244AN
A5U487 156–0545–00 IC,DIGITAL:CMOS,COUNTER,12–BIT
BINARY,4040B,DIP16.3,TUBE
04713 MC14040BCP
A5U495 156–2724–00 IC,MISC:CMOS,INTERFACE,DUAL RS–232 LINE
DRIVER/RECEIVER,+5V VCC,EXTERNAL CAPS REQD
24355 AD232JN
A5U535 156–1756–00 IC,DIGITAL:ALSTTL,FLIP FLOP,DUAL
D–TYPE,SET,CLEAR,74ALS74,DIP14.3,TUBE
01295 SN74ALS74AN
A5U541 156–1200–00 IC,LINEAR:BIFET,OP–AMP,QUAD,TL074CN/LF347N/MC
34004P,DIP14.3
01295 TL074CN