HT693 Holtek, HT693 Datasheet
HT693
Related parts for HT693
HT693 Summary of contents
Page 1
... Features Operating voltage: 2.4V~12V Low power and high noise immunity CMOS technology Low standby current Capable of decoding 18 bits of information 18 Pairs with HOLTEK’s 3 series of encoders 8~18 address pins 0~8 data pins Applications Burglar alarm system Smoke and fire alarm system Garage door controllers ...
Page 2
... HT682L 10 2 HT683L 9 3 HT684L 8 4 HT691 12 0 — HT692 HT693 HT694 Note: Data type: M represents momentary type of data output. L represents latch type of data output. VT can be used as a momentary data output Series of Decoders VT Oscillator Trigger RC oscillator DIN active “Hi” 20 DIP/20 SOP RC oscillator DIN active “ ...
Page 3
Block Diagram Note: The address/data pins are available in various combinations (refer to the address/data table). Pin Description Internal Pin Name I/O Connection TRANSMISSION A0~A17 I GATE D10~D17 O CMOS OUT DIN I CMOS CMOS OUT OSC1 ...
Page 4
Approximate internal connection circuits Absolute Maximum Ratings* Supply Voltage ............................... –0.3V to 13V Input Voltage..................V –0. *Note: Stresses above those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings ...
Page 5
Functional Description Operation 18 The 3 series of decoders provides various com- binations of address and data pins in different 18 packages paired with the 3 series of encoders. The decoders receive data transmit- ted by the encoders ...
Page 6
Decoder timing Encoder/Decoder selection tables Latch type of data output Data Address Part No. VT Pair Encoder Pins Pins HT682L 2 10 HT683L 3 9 HT684L 4 8 HT602L 2 12 HT604L 4 10 HT605L 5 9 HT644L 4 14 ...
Page 7
... Momentary type of data output Data Address Part No. VT Pair Encoder Pins Pins HT691 0 12 HT680 HT692 2 10 HT680 HT680 HT693 3 9 HT6187 HT694 4 8 HT680 HT611 0 14 HT600 HT612 2 12 HT600 HT600 HT614 4 10 HT6207 HT615 5 9 HT600 HT651 0 18 HT640 ...
Page 8
... HT684L A0~A3 — — A6~A9 HT691 A0~A3 — — A6~A9 HT692 A0~A3 — — A6~A9 HT693 A0~A3 — — A6~A9 HT694 A0~A3 — — A6~A9 Note: “—” dummy code which is left “open” and not bonded out Series of Decoders 18 series decoders ...
Page 9
Oscillator frequency vs supply voltage The recommended oscillator frequency Series of Decoders (decoder) F (encoder). OSCD OSCE 9 2nd Oct ’97 ...
Page 10
Package Information Latch series 18 3 Series of Decoders 10 2nd Oct ’97 ...
Page 11
Momentary series 18 3 Series of Decoders 11 2nd Oct ’97 ...
Page 12
Momentary series 18 3 Series of Decoders 12 2nd Oct ’97 ...
Page 13
Application Circuits 18 3 Series of Decoders 13 2nd Oct ’97 ...
Page 14
Note: Typical infrared receiver: PIC-12043T/PIC-12043C (KODENSHI CORP.) or LTM9052 (LITEON CORP.) Typical RF receiver: JR-200 (JUWA CORP.) RE-99 (MING MICROSYSTEM, U.S.A Series of Decoders 14 2nd Oct ’97 ...