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MC4044 Phase-Frequency Detector used in Commodore and Amiga equipment

IC numbers
MC4044
IC function
Phase-Frequency Detector

Component documentation
IC numberManufacturerDocumentation
MC4044MotorolaNot available

Component versions
IC numberPackageCBM part numberCBM part description
MC4044P14-pin DIP906128-01MC4044

Positions
DevicePositionPackage
C64 Original boardU32DIP
C64 A boardU32DIP

Pinout
PinFunctionName
1Phase Frequency Detector #1, #2R
2Phase Frequency Detector #1D1
3Phase Frequency Detector #1, #2V
4Chanrge PumpPU
5Chanrge PumpUF
6Phase Frequency Detector #2D2
7AllGnd
8AmplifierOutput
9AmplifierAmp In
10Chanrge PumpDF
11Chanrge PumpPD
12Phase Frequency Detector #2U2
13Phase Frequency Detector #1U1
14AllVCC

Copyright © 2006 Ronald van Dijk - All rights reserved
Last update: 13 September 2006