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Chip numbers starting with 454

nr name cat description manufacturer
454 MAX454 amp 4 Channel Mux*'ed 50MHz Video Amplifier Maxim*
4541 4541 timer CMOS* 16 stage prog timer 1.5MHz
4541 HEC4541B timer Programmable timer CERDIP14 Philips
4541 HEF4541 oscillator+counter=timer, pinout Philips
4541 HEF4541B timer Programmable timer DIL14, CERDIP14 Philips
4543 4543 converter CMOS* BCD to 7-Segment Decoder with latch, LCD NS
4543 4543 ~ pinout
4543 HEF4543B display BCD to 7-segment latch/decoder/driver DIL16, CERDIP16 Philips
4544 4544 converter CMOS* BCD to 7 seg with latch + RBI, LCD
4545 AK4545 codec AC'97 Rev.2.1 compliant 18-bit CODEC with built-in SPDIF output for PC Audio. AKM*
4547 4547 converter CMOS* BCD to 7 seg, NPN 65ma
4549 4549 sar CMOS* 8 bit SAR* with reset 0.8MHz

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