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ht604l/ht614/ht692 3 18 series of decoders selection table function address no. data vt oscillator trigger package part no. no. type ht604l 10 4 l rc oscillator din active hi 20dip/sop ht614 10 4 m rc oscillator din active hi 20dip/sop ht692 10 2 m rc oscillator din active hi 18dip note: data type: m stands for momentary type data output. l stands for latch type data output. vt can be used as a momentary data output. rev. 1.10 1 january 24, 2003 features operating voltage: 2.4v~12v low power and high noise immunity cmos technology low standby current capable of decoding 18 bits of information 9~10 address pins 2~8 data pins trinary address setting two times of receiving check built-in oscillator needs only a 5% resistor valid transmission indicator easy interface with an rf or an infrared transmission medium minimal external components pair with holtek s3 18 series of encoders ht604l/ht614: 20-pin dip/sop package ht692: 18-pin dip package general description the 3 18 decoders are a series of cmos lsis for remote control system applications. they are paired with the 3 18 series of encoders. for proper operation, a pair of en- coder/decoder pair with the same number of address and data format should be selected (refer to the en- coder/decoder cross reference tables). the 3 18 series of decoders receive serial address and data from that series of encoders that are transmitted by a carrier using an rf or an ir transmission medium. it then compares the serial input data twice continuously with its local address. if no errors or unmatched codes are encountered, the input data codes are decoded and then transferred to the output pins. the vt pin also goes high to indicate a valid transmission. the 3 18 decoders are capable of decoding 18 bits of in- formation that consists of n bits of address and 18 n bits of data. to meet various applications they are ar- ranged to provide a number of data pins whose range is from 0 to 8 and an address pin whose range is from 8 to 18. in addition, the 3 18 decoders provide various combi - nations of address/data number in different packages. applications burglar alarm system smoke and fire alarm system garage door controllers car door controllers car alarm system security system cordless telephones other remote control systems
block diagram note: the address/data pins are available in various combinations (refer to the address/data table). pin assignment latch series momentary series pin description pin name i/o internal connection description a0~a12 i transmission gate input pins for address a0~a12 setting they can be externally set to vdd, vss or left open. d10~d17 o cmos out output data pins din i cmos in serial data input pin vt o cmos out valid transmission, active high osc1 i oscillator oscillator input pin osc2 o oscillator oscillator output pin vss negative power supply, ground vdd positive power supply ht604l/ht614/ht692 rev. 1.10 2 january 24, 2003

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approximate internal connections absolute maximum ratings supply voltage ............................v ss 0.3v to v ss +13v storage temperature ............................ 50 cto125 c input voltage..............................v ss 0.3v to v dd +0.3v operating temperature........................... 20 cto75 c note: these are stress ratings only. stresses exceeding the range specified under absolute maximum ratings may cause substantial damage to the device. functional operation of this device at other conditions beyond those listed in the specification is not implied and prolonged exposure to extreme conditions may affect device reliabil - ity. electrical characteristics ta=25 c symbol parameter test conditions min. typ. max. unit v dd conditions v dd operating voltage 3 12 v i stb standby current 5v oscillator stops 0.1 1 a 12v 24 a i dd operating current 5v no load, f osc =100khz 0.2 1 ma i o data output source current (d10~d17) 5v v oh =4.5v 0.5 1 ma data output sink current (d10~d17) v ol =0.5v 0.25 1 ma i vt vt output source current 5v v oh =4.5v 2 4 ma vt output sink current v ol =0.5v 0.25 1 ma v ih h input voltage 5v 3.5 5v v il l input voltage 5v 0 1v f osc oscillator frequency 10v r osc =330k 100 khz ht604l/ht614/ht692 rev. 1.10 3 january 24, 2003 $ " - ! ! " $ . - / ! $ - ! " . "
decoder timing ht604l/ht614/ht692 rev. 1.10 4 january 24, 2003 functional description operation the 3 18 series of decoders provide various combina - tions of address and data pins in different packages. it is paired with the 3 18 series of encoders. the decoders re - ceive data transmitted by the encoders and interpret the first n bits of the code period as address and the last 18 n bits as data (where n is the address code num - ber). a signal on the din pin then activates the oscillator which in turns decodes the incoming address and data. the decoders will check the received address twice continuously. if all the received address codes match the contents of the decoder s local address, the 18 n bits of data are decoded to activate the output pins, and the vt pin is set high to indicate a valid transmission. that will last until the address code is incorrect or no sig - nal has been received. the output of the vt pin is high only when the transmission is valid. otherwise it is al - ways low. output type there are two types of output to select from: momentary type the data outputs follow the encoder during a valid transmission and then reset. latch type the data outputs follow the encoder during a valid transmission, and are then latched in this state until the next valid transmission occurs. flowchart note: the oscillator is disabled in the standby state and activated as long as a logic high signal is applied to the din pin. i.e., the din should be kept low if there is no signal input. 0

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encoder/decoder selection tables latch type of data output part no. data pins address pins vt pair encoder package encoder decoder dip sop skdip dip sop skdip ht604l 4 10 ht600 20 20 20 20 ht6207 20 momentary type of data output part no. data pins address pins vt pair encoder package encoder decoder dip sop skdip dip sop skdip ht692 2 10 ht680 18 18 ht614 4 10 ht600 20 20 20 20 ht6207 20 address/data sequence the following provides a table of address/data sequence for various models of the 3 18 series decoders. part no. address/data bits 0~3 4 5 6~9 10 11 12 13 14 15 16 17 ht604l a0~a3 a4 a6~a9 a11 d12 d13 d14 d15 ht614 a0~a3 a4 a6~a9 a11 d12 d13 d14 d15 ht692 a0~a3 a6~a9 a11 a12 d14 d15 note: is a dummy code which is left open and not bonded out. oscillator frequency vs. supply voltage the recommended oscillator frequency is f oscd (decoder)
f osce (encoder) ht604l/ht614/ht692 rev. 1.10 5 january 24, 2003 , 6 ' , 6 * , 6 , 6 ) , 6 % % , 6 % + , 6 & ) , 6 ' ( , 6 ( * , 6 * , 6 - ' - - % , , ) ' ' , ' , , ) ' ' , ' 9 , , 6 : ; < , , , ) ' , ' , , ' ! " % & ' ( ) * + , '
application circuits ht604l/ht614/ht692 rev. 1.10 6 january 24, 2003 $ $ & ' # ! " #

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package information 18-pin dip (300mil) outline dimensions symbol dimensions in mil min. nom. max. a 895 915 b 240 260 c 125 135 d 125 145 e16 20 f50 70 g 100 h 295 315 i 335 375 0 15 ht604l/ht614/ht692 rev. 1.10 7 january 24, 2003 * , + $ . = : !
20-pin dip (300mil) outline dimensions symbol dimensions in mil min. nom. max. a 1020 1045 b 240 260 c 125 135 d 125 145 e16 20 f50 70 g 100 h 295 315 i 335 375 0 15 ht604l/ht614/ht692 rev. 1.10 8 january 24, 2003 , , $ . = : !
20-pin sop (300mil) outline dimensions symbol dimensions in mil min. nom. max. a 394 419 b 290 300 c14 20 c 490 510 d92 104 e 50 f4 g32 38 h4 12 0 10 ht604l/ht614/ht692 rev. 1.10 9 january 24, 2003 , , $ . = > :
product tape and reel specifications reel dimensions sop 20w symbol description dimensions in mm a reel outer diameter 330 1.0 b reel inner diameter 62 1.5 c spindle hole diameter 13.0+0.5 0.2 d key slit width 2.0 0.5 t1 space between flange 24.8+0.3 0.2 t2 reel thickness 30.2 0.2 ht604l/ht614/ht692 rev. 1.10 10 january 24, 2003 $
carrier tape dimensions sop 20w symbol description dimensions in mm w carrier tape width 24.0+0.3 0.1 p cavity pitch 12.0 0.1 e perforation position 1.75 0.1 f cavity to perforation (width direction) 11.5 0.1 d perforation diameter 1.5+0.1 d1 cavity hole diameter 1.5+0.25 p0 perforation pitch 4.0 0.1 p1 cavity to perforation (length direction) 2.0 0.1 a0 cavity length 10.8 0.1 b0 cavity width 13.3 0.1 k0 cavity depth 3.2 0.1 t carrier tape thickness 0.3 0.05 c cover tape width 21.3 ht604l/ht614/ht692 rev. 1.10 11 january 24, 2003 7 ? 7 7 , . = @ , , $ ,
ht604l/ht614/ht692 rev. 1.10 12 january 24, 2003 copyright 2003 by ho l tek semiconduc t or 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 s products are not authorized for use as critical components in life support devices or systems. holtek reserves the right to alter its products without prior notification. for the most up-to-date information, please visit our web site at http://www.holtek.com.tw. holtek semiconductor inc. (headquarters) no.3, creation rd. ii, science park, hsinchu, taiwan tel: 886-3-563-1999 fax: 886-3-563-1189 http://www.holtek.com.tw holtek semiconductor inc. (taipei sales office) 4f-2, no. 3-2, yuanqu st., nankang software park, taipei 115, taiwan tel: 886-2-2655-7070 fax: 886-2-2655-7373 fax: 886-2-2655-7383 (international sales hotline) holtek semiconductor inc. (shanghai sales office) 7th floor, building 2, no.889, yi shan rd., shanghai, china 200233 tel: 021-6485-5560 fax: 021-6485-0313 http://www.holtek.com.cn holtek semiconductor inc. (shenzhen sales office) 5/f, unit a, productivity building, cross of science m 3rd road and gaoxin m 2nd road, science park, nanshan district, shenzhen, china 518057 tel: 0755-8616-9908, 8616-9308 fax: 0755-8616-9533 holtek semiconductor inc. (beijing sales office) suite 1721, jinyu tower, a129 west xuan wu men street, xicheng district, beijing, china 100031 tel: 010-6641-0030, 6641-7751, 6641-7752 fax: 010-6641-0125 holtek semiconductor inc. (chengdu sales office) 709, building 3, champagne plaza, no.97 dongda street, chengdu, sichuan, china 610016 tel: 028-6653-6590 fax: 028-6653-6591 holmate semiconductor, inc. (north america sales office) 46729 fremont blvd., fremont, ca 94538 tel: 510-252-9880 fax: 510-252-9885 http://www.holmate.com

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