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KS58015 Datasheet(PDF) 1 Page - Samsung semiconductor |
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KS58015 Datasheet(HTML) 1 Page - Samsung semiconductor |
1 / 4 page KS58015 DTMF DIALER FOR BINARY DATA-IN 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 is in a 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. The N-channel open drain output provides a MUTE output during tone generation. FEATURES • Direct interface with microprocessor • Generates 16 standard tones • Uses inexpensive TV crystal or ceramic resonator (3.579545MHz) • Very low total harmonic distortion • Low power standby mode • Binary data inputs with latches • Wide Operating Voltage : 2.5 ~ 8.0V BLOCK DIAGRAM Fig.1 Device Package Operating Temperature KS58015N KS58015D 14-DIP-300 14-SOP-225B OSC CONTROL CIRCUIT DAT A LATCH & DECODER MUTE LOGIC ROW & COLUMN TONE COUNTER D/A CONVER TER & MIXING TONE OUT MUTE OSC IN OSC OUT TEN ST GS D0 D1 D2 D3 VDD VSS 4 - 30 °C ~ + 70°C 14-DIP-300 14-SOP-225B ORDERING INFORMATION |
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