HT9302D Holtek, HT9302D Datasheet
HT9302D
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HT9302D Summary of contents
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... Pulse number HT9302A: 18-pin DIP package HT9302B: 22-pin SKDIP package HT9302C: 20-pin DIP package HT9302D: 24-pin SKDIP package HT9302G: 16-pin DIP package tion, Hold-line, Hand-free and LCD dialing number display interface, all of which are suitable for feature phone applications. HT9302G is simpler than HT9302X version ...
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Block Diagram Pin Assignment HT9302x normal version HT9302G simple version Rev. 1.20 HT9302 Series 2 September 30, 2002 ...
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Keyboard Information Pin Description Internal Pin Name I/O Connection These pins form keyboard matrix which can perform keyboard input detec- tion and dialing specification setting functions. When on-hook (HKS=high) all the pins are set high. While off-hook ...
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Internal Pin Name I/O Connection This pin is active only when the chip transmits tone dialing signals. Otherwise, it DTMF O CMOS OUT always outputs a low. The pin outputs tone signals to drive the external trans- mitter amplifier circuit. ...
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Absolute Maximum Ratings Supply Voltage ........................................... 0. Input Voltage .............................. V 0 Note: These are stress ratings only. Stresses exceeding the range specified under Absolute Maximum Ratings may cause substantial damage to the device. Functional ...
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Pulse Mode Electrical Characteristics Symbol Parameter Output Source Current 2.5V V POH I 2. Output Sink Current POL PR Pulse Rate M/B Make/Break Ratio t Pre-digit-pause Time PDP t Inter-digit-pause Time IDP t Pulse ...
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Functional Description Keyboard matrix C1~C4 and R1~R4 form a keyboard matrix. Together with a standard 4 4 keyboard, the keyboard matrix is used for dialing entries. In addition, the keyboard ma- trix provides resistor option for different dialing specifi- cation ...
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Pulse number table Keypad Output Pulse Number New Sweden/ Zealand Digit Key Normal N Denmark (N+1) (10- ...
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LOCK function The function aims to detect locked dialing number to prevent a long distance call. The dialing output of the chip is disabled if the first input key after on-off-hook is the locked number when the lock function is ...
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Keyboard operation The following operations are described under an on-off- hook or on-hook condition with the hand-free active condition. Rev. 1.20 HT9302 Series 10 September 30, 2002 ...
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Rev. 1.20 HT9302 Series 11 September 30, 2002 ...
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Rev. 1.20 HT9302 Series 12 September 30, 2002 ...
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Timing Diagrams Normal dialing Pulse mode Tone mode Rev. 1.20 HT9302 Series 13 September 30, 2002 ...
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Dialing with pause key Pulse mode Tone mode Rev. 1.20 HT9302 Series 14 September 30, 2002 ...
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Flash key operation Pulse Tone operation Rev. 1.20 HT9302 Series 15 September 30, 2002 ...
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One key redial operation CLOCK & DOUT operation Rev. 1.20 HT9302 Series 16 September 30, 2002 ...
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Application Circuits Application circuit 1 Rev. 1.20 HT9302 Series 17 September 30, 2002 ...
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Application circuit 2 Rev. 1.20 HT9302 Series 18 September 30, 2002 ...
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Application circuit 3 Rev. 1.20 HT9302 Series 19 September 30, 2002 ...
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Application circuit 4 Rev. 1.20 HT9302 Series 20 September 30, 2002 ...
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Application circuit 5 Rev. 1.20 HT9302 Series 21 September 30, 2002 ...
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Package Information 16-pin DIP (300mil) outline dimensions Symbol Min. A 745 B 240 C 125 D 125 295 I 335 0 Rev. 1.20 HT9302 Series Dimensions in mil Nom. Max. 775 260 135 145 ...
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DIP (300mil) outline dimensions Symbol Min. A 895 B 240 C 125 D 125 295 I 335 0 Rev. 1.20 HT9302 Series Dimensions in mil Nom. Max. 915 260 135 145 20 70 ...
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DIP (300mil) outline dimensions Symbol Min. A 1020 B 240 C 125 D 125 295 I 335 0 Rev. 1.20 HT9302 Series Dimensions in mil Nom. Max. 1045 260 135 145 20 70 ...
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SKDIP (300mil) outline dimensions Symbol Min. A 1085 B 253 C 125 D 125 295 I 330 0 Rev. 1.20 HT9302 Series Dimensions in mil Nom. Max. 1105 263 135 145 20 70 ...
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SKDIP (300mil) outline dimensions Symbol Min. A 1235 B 255 C 125 D 125 295 I 345 0 Rev. 1.20 HT9302 Series Dimensions in mil Nom. Max. 1265 265 135 145 20 70 ...
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... Copyright Ó 2002 by HOLTEK SEMICONDUCTOR INC. The information appearing in this Data Sheet is believed to be accurate at the time of publication. However, Holtek as- sumes no responsibility arising from the use of the specifications described. The applications mentioned herein are used solely for the purpose of illustration and Holtek makes no warranty or representation that such applications will be suitable without further modification, nor recommends the use of its products for application that may present a risk to human life due to malfunction or otherwise. Holtek¢ ...