Found 5 alternatives for LS20-S by LogiSwitch. Specialized Ics — 20-SOIC (0.295", 7.50mm Width).
HEAD POSITIONING CIRCUIT
CMOS MANCHESTER ENCODER-DECODER
OPTICAL DISK SERVO/DATA CHANNEL
IC DL AIRBAG DEPLOY ASIC 20SOIC
DEBOUNCE W HNDSKE IC 9-CHAN SOIC