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Scans-00117797.pdf
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Voice Recording/Playback LSI LR3990 LR3990 Voice Recording/Playback LSI â Description The LR3990 is a CMOS LSI for voice recording/ playback, based on the variable length code ADPCM (Adaptiv
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ECAD Model
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User Tagged Keywords
256K 4bit DRAM
LR3990
VOICE REC playback
Voice recording
voice recording chip