HT9220
Abstract: keyboard matrix HT16XX HT3810 RK31 RK41 
 
Contextual Info: HT9220F 22-Memory Tone/Pulse Dialer Features • • • • • • • • • • • • • • • • French specification Operating voltage: 2.0V~5.5V Low stand-by current Low memory retention current: 0.1µA  Typ.  Tone/pulse switchable Interface with LCD driver
 
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HT9220F 
22-Memory
58MHz
10pps 
HT9220F
HT9220
keyboard matrix
HT16XX
HT3810
RK31
RK41
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PDF
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HT9220B
Abstract: HT9220 HT9220A HT9220H HT9220L HT16XX HT3810 RK-71 
 
Contextual Info: HT9220A/B/C/H/K/L 22-Memory Tone/Pulse Dialer Features • • • • • • • • • • • • • • • • • • Universal specification Operating voltage: 2.0V~5.5V Low stand-by current Low memory retention current: 0.1µA  Typ.  Tone/pulse switchable
 
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Original
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HT9220A/B/C/H/K/L 
22-Memory
58MHz
HT9220A/H 
HT9220K 
HT9220L 
10May 
HT9220B
HT9220
HT9220A
HT9220H
HT9220L
HT16XX
HT3810
RK-71
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HT16XX
Abstract: HT3810 RK13 RK14 TDR20 
 
Contextual Info: HT9220R Preliminary 22-Memory with ABR Tone/Pulse Dialer Features • • • • • • • • • • • • • • Universal specification Operating voltage: 2.0V~5.5V Low stand-by current Low memory retention current: 0.1µA  Typ.  Tone/pulse switchable
 
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Original
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HT9220R 
22-Memory
32768Hz
HT16XX
HT3810
RK13
RK14
TDR20
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PDF
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