型號 / 廠家，封裝，批號，備注，訂購

HT2821 / Holtek Semiconductor,Datasheet,06/07+,Dual Sound Generator 訂購 PDF文檔

HT2815A / Holt Integrated Circuits,Datasheet,07+,Mini One-Sound gener 訂購 PDF文檔

HT2823(8DIP) / Holtek Semiconductor,Datasheet,07+,Noise Generator - Tr 訂購 PDF文檔

HT2830 / Holtek Semiconductor,Datasheet,06/07+,Up/Down Tone Generat 訂購 PDF文檔

HT2823(8SOP) / Holtek Semiconductor,Datasheet,07+,Noise Generator - Tr 訂購 PDF文檔

HT2860(18DIP) / Holtek Semiconductor,Datasheet,07+,Noise Generator - 6 訂購 PDF文檔

HT2886(16DIP) / Holtek Semiconductor,Datasheet,07+,Noise Generator - 8- 訂購 PDF文檔

HT2886(18DIP) / Holtek Semiconductor,Datasheet,07+,Noise Generator - 8- 訂購 PDF文檔

HT2887 / Holtek Semiconductor,Datasheet,07+,Sound Effect and Mel 訂購 PDF文檔

HT2887(16DIP-B0) / Holtek Semiconductor,Datasheet,06/07+,Noise Generator - so 訂購 PDF文檔