datasheet v1.1 2002 / 1 / 21 1 page 5 of 1 www.msquaretech.com the above information is the exclusive intellectual property of m - square technologies corporation and shall not be disclosed, distributed without permission from m - square. rts715 - 3 m - squa re technologies corp. a subsidiary of realtek group infrared/r.f. transmitter features - wide operating voltage range: 2.4v to 5.0v - low stand - by current(except rf mode) - operating frequency 1.2 mhz,crystal/rc oscillation for system operation (by change of application circuit) - rts715 - 3 can combine with rts5 10b and rts511b to become a three - wind mode, three - wind grade and two - timing function infrared remote controller for fans - suitable for infrared or radio frequency remote controller system - two choices of input function (eight or one channel) - auto power - off after a all keys released - provide two transmissive interface(rf and ir)for different application. - support 38khz narrow band ir receiver . general description the rts715 - 3 is a cmos lsi designed to function as transmitters. the rts715 - 3 provides seven fu nctions and can combine with rts510 b and rts511 b . a s a infrared remote controller, each data input has a corresponding output signal code, and for the convenience, users can define a decoder to decode the signal to meet different application s . d1 d2 d4 d7 osci vdd rstb nc pen out keysel d5 RTS715-3 1 2 3 4 5 6 7 8 9 10 11 14 13 12 pin assignment d9/rfsel d8 15 16 gnd osco block diagram osci osco oscillator logic d1 d2 d4 d5 d7 d8 d9/rfsel latch circuit timing generator encoding circuit logic out pen m - square technologies corp. a subsidiary of realtek group
datasheet v1.1 2002 / 1 / 21 2 page 5 of 2 www.msquaretech.com the above information is the exclusive intellectual property of m - square technologies corporation and shall not be disclosed, distributed without permission from m - square. rts715 - 3 m - squa re technologies corp. a subsidiary of realtek group absolute maximum ratings comments* dc electrical characteristics (vdd=3.0v, temp.=25 c, osc frequency = 1.2mhz) parameter symbol min. typ. max . condition dc supply voltage vdd 2.4v 3.0v 5.0v operating current i dd - 1ma - unload stand - by current i stb - 1ua - full load - 12ma - v oh = 0.7v output driving current ideiving - 6ma - v oh = 2.4v isinking 5ma vol =0.4v input pull high resist or i in - 400kohm - when input pin is connected to 1/2 vdd input pull high resistor i in - 4.5mohm - when input pin is connected to gnd oscillator frequency variation (process) ? f/f - - ? 10% vdd=3.0v oscillator frequency stability ? f/f - - 5% |f(3.2v) - f(2.4v)| / f(3.2v) or |f(4.8v) - f(3.6v)| / f(4.8v) never allow a stress to exceed the values listed under "absolute maximun ratings", otherwise the device would suffer from a permanent damage. nor is a stress at the listed value be allowed to persist over a period, since an extended exposure to the absolute maximum rating condition may also affect the reliability of the device, if not causing a damage thereof. dc supply voltage......................................2v to 5v input/output voltag....?vdd 0.2v to gnd 0.2v operating te mperature..................... - 10 c to 60 c storage temperature..................... - 25 c to 125 c
datasheet v1.1 2002 / 1 / 21 3 page 5 of 3 www.msquaretech.com the above information is the exclusive intellectual property of m - square technologies corporation and shall not be disclosed, distributed without permission from m - square. rts715 - 3 m - squa re technologies corp. a subsidiary of realtek group pin description pin no. designation description 1 d1 data input; when floating, it is pulled up to vdd internally 2 d2 data input; when floating, it is pulled up to vdd internally 3 d4 data input; when floating, it is pulled up to vdd internally 4 d5 data input; when floating, it is pulled up to vdd internally 5 d7 data input; when floating, it is pulled up to vdd inte rnally 6 d8 data input; when floating, it is pulled up to vdd internally 7 d9/rfsel data input; when floating, it is pulled up to vdd internally, when pin is pull low in power on ,the ic into rf mode. 8 gnd negative power supply 9 osco oscillator outpu t pin 10 osci oscillator input pin 11 vdd positive power supply 12 rstb for reset ic 13 nc no connection 14 out data output pin 15 pen trigger enable output pin 16 keysel key trigger mode select.(pull high is one shot,pull low is level hold)
datasheet v1.1 2002 / 1 / 21 4 page 5 of 4 www.msquaretech.com the above information is the exclusive intellectual property of m - square technologies corporation and shall not be disclosed, distributed without permission from m - square. rts715 - 3 m - squa re technologies corp. a subsidiary of realtek group application circuit this application circuit can combine with rts510b and rts511b and become three - wind mode, three - wind grade, and four - timing function infrared remote controllers for fans. (1)rc oscillation(for reference only) 10 9 r~68k f= ~ 1.2mhz w keysel out pen nc rstb vdd osci d1 d2 d4 d5 d7 d8 d9/rfse l 1 4 7 14 13 12 11 8 RTS715-3 6 3 2 gnd osco 5 + - photo diode 8050 0-100 m f 3v or 4.5v 15 16 off speed mode timer swing light 0.1uf 10 1k w w 150p (2)x?stal oscillation(for reference only) keysel out pen nc rstb vdd osci d1 d2 d4 d5 d7 d8 d9/rfse l 1 4 7 14 13 12 11 10 9 8 RTS715-3 6 3 2 gnd osco 5 + - photo diode 8050 1m 0-100 m f 3v or 4.5v 15 16 off speed mode timer swing light f= 1.2mhz w 0.1uf 10 1k w w 150p 150p 1.2mhz
datasheet v1.1 2002 / 1 / 21 5 page 5 of 5 www.msquaretech.com the above information is the exclusive intellectual property of m - square technologies corporation and shall not be disclosed, distributed without permission from m - square. rts715 - 3 m - squa re technologies corp. a subsidiary of realtek group m m m - - - s s s q q q u u u a a a r r r e e e t t t e e e c c c h h h n n n o o o l l l o o o g g g i i i e e e s s s c c c o o o r r r p p p o o o r r r a a a t t t i i i o o o n n n a subsidiary of realtek group head quarter floor 4, no. 2, industry e. rd. ix, science - based industrial park, hsinchu, 300 taiwan, r.o.c. tel: 886 - 3 - 6661028 fax: 886 - 3 - 6661928 hongkong office room 1403, charm centre 700 castle peak rd., lai chi kok kowloon, hong kong tel: 852 - 29593235 fax:852 - 27425267 shenzhen office room 1508, block a, union square, no. - 50 22 caitian rd..futian,shenzhen tel:6 - 755 - 2900672 fax:86 - 755 - 2900681
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