KS58015 Samsung, KS58015 Datasheet
KS58015
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KS58015 Summary of contents
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... KS58015 INTRODUCTION The KS58015 is a DTMF dialer for 4 bit binary data input from microprocessor. When the tone enable input low, the oscillator is in- hibited and the device low power consumption at standby mode. On the low to high transition of tone enable, data is latched into the device and selected the standard DTMF signals ...
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... This output is the open emitter of a NPN transistor. When an external load resistor 14 Tone out is connected from this pin to V DTMF DIALER FOR BINARY DATA- TONE OUT TEN KS58015 MUTE Fig. 2 Descriptions or open, the high group will be generated, and when DD , the low group will be generated ...
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... KS58015 ABSOLUTE MAXIMUM RATINGS Characteristic Supply Voltage MUTE Voltage Input Voltage Power Dissipation Operating Temperature Storage Temperature ELECTRICAL CHARACTERISTICS (V = 0V, 2V<V <8V 3.579545MHz unless otherwise noted OSC Characteristic Symbol Operating Voltage Range V DD Operating Current I DD Standby Current I SB Input Pull-up Resistance ...
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... KS58015 TABLE 2. FUNCTION TABLE Key Board Equivalent DTMF DIALER FOR BINARY DATA-IN Data Input (Hz 697 697 697 770 ...