HT640 Holtek, HT640 Datasheet
HT640
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HT640 Summary of contents
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... HT600/HT680/HT6207 18 3 Series of Encoders Easy interface with infrared transmission media Minimal external components 18 Pair with Holtek s 3 series of decoders HT600/HT6207: 20-pin DIP/SOP package HT680: 18-pin DIP/SOP package Car alarm system Security system Cordless telephones Other remote control systems address/data to meet various application needs. The ...
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Block Diagram TE Trigger HT600/HT680 DATA Trigger HT6207 Note: The address/data pins are available in various combinations. Pin Assignment Rev. 1.10 HT600/HT680/HT6207 2 January 24, 2003 ...
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Pin Description Internal Pin Name I/O Connection TRANSMISSION Input pins for address A0~A11 setting A0~A11 I GATE They can be externally set to VDD, VSS, or left open. TRANSMISSION Input pins for address/data (AD10~AD17) setting AD10~AD17 I GATE They can ...
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Electrical Characteristics Symbol Parameter V Operating Voltage DD I Standby Current STB I Operating Current DD I LED Sink Current LED I Output Drive Current DOUT V H Input Voltage Input Voltage IL f Oscillator Frequency OSC ...
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Functional Description Operation 18 The 3 series of encoders begins a three-word transmission cycle upon receipt of a transmission enable (TE for the HT600/HT680 or D12~D15 for the HT6207, active high). This cycle will repeat itself as long as the ...
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The address pins are usually preset to transmit data codes with particular security codes by the DIP switches or PCB wiring, while the data is selected using push buttons or electronic switches. The following figure shows an application using the ...
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Flowchart Note: D12~D15 are transmission enables of the HT6207 the transmission enable of the HT600/HT680. Oscillator Frequency vs. Supply Voltage The recommended oscillator frequency is f Rev. 1.10 HT600/HT680/HT6207 (decoder) f (encoder) OSCD OSCE 7 January 24, 2003 ...
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Application Circuits Rev. 1.10 HT600/HT680/HT6207 8 January 24, 2003 ...
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Package Information 18-pin DIP (300mil) Outline Dimensions Symbol Min. A 895 B 240 C 125 D 125 295 I 335 0 Rev. 1.10 HT600/HT680/HT6207 Dimensions in mil Nom. Max. 915 260 135 145 20 ...
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DIP (300mil) Outline Dimensions Symbol Min. A 1020 B 240 C 125 D 125 295 I 335 0 Rev. 1.10 HT600/HT680/HT6207 Dimensions in mil Nom. Max. 1045 260 135 145 20 70 100 ...
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SOP (300mil) Outline Dimensions Symbol Min. A 394 B 290 C 14 447 Rev. 1.10 HT600/HT680/HT6207 Dimensions in mil Nom. Max. 419 300 20 460 104 50 38 ...
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SOP (300mil) Outline Dimensions Symbol Min. A 394 B 290 C 14 490 Rev. 1.10 HT600/HT680/HT6207 Dimensions in mil Nom. Max. 419 300 20 510 104 50 38 ...
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Product Tape and Reel Specifications Reel Dimensions SOP 18W Symbol Description A Reel Outer Diameter B Reel Inner Diameter C Spindle Hole Diameter D Key Slit Width T1 Space Between Flange T2 Reel Thickness SOP 20W Symbol Description A Reel ...
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Carrier Tape Dimensions SOP 18W Symbol Description W Carrier Tape Width P Cavity Pitch E Perforation Position F Cavity to Perforation (Width Direction) D Perforation Diameter D1 Cavity Hole Diameter P0 Perforation Pitch P1 Cavity to Perforation (Length Direction) A0 ...
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... Copyright Ó 2003 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¢ ...