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Last update: 8 August 2010

IC numbers:MC1489, MC1489A, DS1489, LM1489A, SN75189
IC function:Quad line receiver
Related components:1488, 75188 (quad line drivers)

Component documentation
IC numberManufacturerDocumentation
MC1489Motorola (now ON Semiconductor)Web page, Datasheet (PDF)
Texas InstrumentsWeb page, Datasheet (PDF)
Signetics (now Philips)Not available
MC1489AMotorola (now ON Semiconductor)Web page, Datasheet (PDF)
Signetics (now Philips)Not available
DS1489National SemiconductorWeb page, Datasheet (PDF)
LM1489ANational SemiconductorNot available
SN74189Texas InstrumentsWeb page, Datasheet (PDF)

Components
IC numberPackageCBM part numberCBM part descriptionReplacement parts
148914-pin DIP901524-07MC1489 Line RecvrMC1489P available from:Conrad
148914-pin DIP901883-011489
148914-pin SO391086-01IC, Interface, MC1489D, SM

Positions
DevicePositionComponentsPackage
A1000U6LMC1489, MC1489A, LM1489A, SN75189DIP
A2000-CRU3051489, 1489ADIP
A500U391489DIP
A500 PlusU391489DIP
CDTVU111489DIP
A3000U3051489DIP
A3000TU3051489DIP
A600U29MC1489SO
A4000U3051489SO
A4000TU580MC1489SO
A1200U29MC1489SO
A2232U52, U53, U55, U57, U71, U73, U75MC1489, SN75189DIP
PC10 I/O boardU24MC1489DIP
PC10 combined boardU78MC1489DIP
PC10-IIIU4051489DIP
PC-IU46MC1489, MC1489ADIP
PC30-IIIU6061489DIP
PC40-IIIU6061489DIP
PC60-IIIU1251489DIP
SL286/SL386SX main boardU203, U204, U2071489SO
SuperPET BMB boardU251489DIP
SuperPET combo boardU38MC1489DIP
CBM II lo-profileU161489ADIP
CBM II hi-profileU21489ADIP

Pinout
PinTypeFunction
1InputInput A
2InputResponse Control A
3OutputOutput A
4InputInput B
5InputResponse Control B
6OutputOutput B
7PowerGround
8OutputOutput C
9InputResponse Control C
10InputInput C
11OutputOutput D
12InputResponse Control D
13InputInput D
14PowerVCC

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