16-bit Voice Processor

INTRODUCTION SNC735 is a 32mins two-channel speech/melody and 4-channel wave-table melody voice chip. It based on reduced 16-bit fixed-point DSP architecture. SNC735 provides user some necessary and efficient DSP instructions. Furthermore, SNC735 provide one 10-bit PWM and one 10-bit DA converter

16-bit Voice Processor

SNC735 is a 32mins two-channel speech/melody and 4-channel wave-table melody voicechip. It based on reduced 16-bit fixed-point DSP architecture. SNC735 provides usersome necessary and efficient DSP instructions. Furthermore, SNC735 provide one 10-bitPWM and one 10-bit DA converter to driving speaker • Power supply:  - 2.4V ~ 3.6V (for 2 battery application)  - 3.6V ~ 5.1V (for 3 battery application)• Built-in a 16-bit DSP (Very Light Structure)• Software-based voice/melody processing• Rich Function Instruction Set• 16MHz crystal or R-C type oscillator for system clock• 8 MIPS CPU performance• I;

SWITCHMODE??Power Rectifier

. . . using the Schottky Barrier principle with a platinum barrier metal. These state–of–the–art devices have the following features: • Guardring for Stress Protection • Low Forward Voltage • 150°C Operating Junction Temperature • Guaranteed Reverse Avalanche • Epoxy Meets UL94, VO at 1/

Rectifier diodes schottky barrier

GENERAL DESCRIPTION Low leakage, platinum barrier, schottky rectifier diodes in a full pack plastic envelope featuring low forward voltage drop, absence of stored charge. and guaranteed reverse surge capability. The devices areintended foruse inswitched mode power supplies and high frequency circ

-5V INVERTING, NEGATIVE OUTPUT CURRENT-MODE PWM REGULATOR

DESCRIPTION The ST735 is a Bi-CMOS, inverting switch mode DC-DC regulator with internal Power MOSFETs that generates a fixed -5V output voltage from a 4V to 6.2V input voltage; is guaranteed an output current of 200mA for inputs greater than 4.5V. The quiescent current for this device is typicall

300kHz, -5V/ADJ INVERTING, NEGATIVE OUTPUT CURRENT-MODE PWM REGULATOR

DESCRIPTION The ST735S/ST735T is a Bi-CMOS, inverting switch mode DC-DC regulator with internal Power MOSFET that generates a fixed -5V (S version) or a negative adjustable (T version) output voltage from a 4V (3.5V for the 735T) to 6.2V input voltage (9V for the 735T); is guaranteed an output cu

300kHz, -5V/ADJ INVERTING, NEGATIVE OUTPUT CURRENT-MODE PWM REGULATOR

DESCRIPTION The ST735S/ST735T is a Bi-CMOS, inverting switch mode DC-DC regulator with internal Power MOSFET that generates a fixed -5V (S version) or a negative adjustable (T version) output voltage from a 4V (3.5V for the 735T) to 6.2V input voltage (9V for the 735T); is guaranteed an output cu