PT2399-SMD SemiConductor - SMD - Princeton Technology

PT6312BLQ Semiconductor - QFP44 - Princeton Technology

IDTQS3253S1G SemiConductor - SO16 - Integrated Device Technology - IDT

QS3253S1G SemiConductor - SO16 - Integrated Device Technology - IDT

NE558D SemiConductor - SO16 - Philips

PT2399 Integrated Circuit - DIP16 - Princeton Technology

PT2258-SMD SemiConductor - SOP20 - Princeton Technology

MC33066DW Integrated Circuit - SO16 - Motorola Semiconductor