PT8A9701/974/974L 8-Function Remote Controller. General Description. Features. Ordering Information. Block Diagram Figure 1. Block Diagram of PT8A9701

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1 PT8A970/97/97L Feature The PT8A970 work a the ecoder ad the PT8A97/97L work a the decoder Nie output pi, 5 for forward, backward, left, right ad turbo fuctio, ad fuctioal key Operatio power upply for PT8A970: V to 2V (with erie reitor) Auto power-off if o key preed (PT8A970) Motor curret limit to meet toy afety tadard H27 (PT8A97/97L) Low operatig curret O-chip ocillator with a exteral reitor O-chip reverig amplifier Built-i.7V Zeer (Vz) (PT8A97) ad.v Zeer (Vz) (PT8A97L) Few exteral compoet eeded Block iagram Figure. Block iagram of PT8A970 Geeral ecriptio The PT8A970 ad PT8A97/97L i a pair of MOS LSI deiged for remote cotrolled toy car applicatio. They have eight cotrol key for cotrollig the correpodig motio, i.e., forward, backward, left, right, turbo ad fuctioal key, of the remote cotrolled car. They alo have () ad combiatio applicatio. Orderig Iformatio evic evice e Name Part No. Package E coder PT8A970PE Lead free6- pi PIP PT8A97PE Note: Addig E= Pb-free or Pb-free ad Gree Addig X uffix=tape/reel ecode r PT8A97LP E Lead free 20-pi PIP f 0 /2 OI OO Ocillator Timig Geerator MUX SO Right F F/F Latch ircuit Logic otrol P V outer

2 PT8A970/97/97L Figure 2. Block iagram of PT8A97/97L OI OO Ocillator Timig Geerator outer SI Amp ecodig ircuit PLA VI VI2 VT VT2 V VO VO2 VT etector Latch ircuit Right F F F Package ad Pi Aigmet PT8A970PE 6-Pi PIP PT8A97P/97LPE 20-Pi PIP Right N GN F/F F OI OO P V SO VO2 GN SI OI OO F Right VT VI2 VO VI V F F VT2 Top View 2

3 PT8A970/97/97L Pi ecriptio Table. Pi ecriptio of PT8A970 P i No P i Nam e T yp e ecriptio Right I Rightward fuctio elected if thi pi coected to GN 2 N - No coectio GN GN Groud I fuctio elected if thi pi coected to GN 5 I fuctio elected if thi pi coected to GN 6 I fuctio elected if thi pi coected to GN 7 O Output pi of the ecodig igal with carrier freqecy 8 F/F I Able to toggle betwee Fuctio ad Fuctio if coected to GN 9 I Fuctio 2 elected if coected to GN 0 SO O Output pi of the ecodig igal without carrier freqecy V P Power upply 2 P O Power cotrol output pi OO O Ocillator output pi OI I Ocillator iput pi 5 F I Fuctio elected if coected to GN 6 I ward fuctio elected if thi pi coected to GN

4 PT8A970/97/97L Table 2. Pi ecriptio of PT8A97/97L P i No P i Nam e T yp e ecriptio, 9 VO2, VO O Output pi of amplifier ad 2 2 GN GN Groud SI I Iput pi for ecoded igal OI I Ocillator iput pi 5 OO O Ocillator output pi 6 F O F fuctio output pi 7 Right O Rightward output pi 8 O fuctio output pi 9 O ward output pi 0 VT VT2 I I Auto hut-off iput pi: If voltage o VT pi i over 0.095V will be hut off automatically. Auto hut-off iput pi: If voltage o VT2 pi i over 0.095V will be hut off automatically. for ec, all output for ec, all output 2 O output pi F O F fuctio output pi O output pi 5 F O F fuctio output pi 6 O output pi 7 V P Power upply 8, 20 VI,VI2 I Iput pi of amplifier ad 2

5 PT8A970/97/97L Fuctioal ecriptio I ormal operatio without, forward (backward) output pi of the decoder PT8A97P/97LP ed out a 60Hz igal. I operatio with () ad combied, the output igal will be completely high. Thi fuctio i depicted i Table. Timig iagram ata Format See Figure. odig Method Each trigger pi i triggered by correpodig bit of data i format of. The data trig i 6-bit ad divided to four egmet, i.e., Start ode, ata ode, Parity ode ad Ed code, where Start ode = 0. ata ode = F B T R L F F F F = B = T = R = Right L = F= Fuctio = Fuctio 2 F = Fuctio F = Fuctio Parity ode = Eve parity check reult Ed ode i for data latch. ata code ca be ay combiatio of F, B, T, R, L, F,, F ad F except F&B ad R&L. Table I Iput to PT8A970P P Output from PT8A97P97L Turb o 60Hz Low Low Low 60Hz Low + High Low High + Low High High Figure. ata Format "" Frequecy: 500Hz, uty ycle: / "0" Frequecy: 500Hz, uty ycle: / 5

6 PT8A970/97/97L Maximum Ratig (Above which the ueful life may be impaired. For uer guidelie, ot teted) Maximum Ratig PT8A970 Storage Temperature o to +85 o Ambiet Temperature with Power Applied... 0 o to +70 o Supply Voltage to Groud Potetial (Iput & V Oly) to +5.5V Supply Voltage to Groud Potetial (Output & /O Oly) to +5.5V Iput Voltage to +5.5V Output urret Power iipatio mW Maximum Ratig PT8A97 Storage Temperature o to +85 o Ambiet Temperature with Power Applied... 0 o to +70 o Supply Voltage to Groud Potetial (Iput & V Oly) to +5.5V Supply Voltage to Groud Potetial (Output & /O Oly) to +5.5V Iput Voltage to +5.5V Output urret... 0 Power iipatio mW Maximum Ratig PT8A97L Storage Temperature o to +85 o Ambiet Temperature with Power Applied... 0 o to +70 o Supply Voltage to Groud Potetial (Iput & V Oly) to +5.0V Supply Voltage to Groud Potetial (Output & /O Oly) to +5.0V Iput Voltage to +5.0V Output urret... 0 Power iipatio mW Note: Stree greater tha thoe lited uder MAXIMUM RATINGS may caue permaet damage to the device. Thi i a tre ratig oly ad fuctioal operatio of the device at thee or ay other coditio above thoe idicated i the operatioal ectio of thi pecificatio i ot implied. Expoure to abolute maximum ratig coditio for exteded period may affect reliability. 6

7 PT8A970/97/97L Recommeded Operatio oditio Table. Recommeded Operatio oditio Sm ym ecriptio M i Tp y Mx a Uit Supply urret for PT8A97P 0 I Supply urret for PT8A97LP 0 V IH Iput HIGH Voltag e 0.7V V V IL Iput LOW Voltag e 0.V 0 V F O T A Ocillator Frequecy khz Operatio Temperatur e 0 70 O Electrical haracteritic Table 5. Electrical haracteritic of PT8A970 Sm ym ecriptio T et oditio M i Tp y Mx a Uit V Z Voltage of Zeer I Z = 2~ V Output HIGH urret - P Pi - -5 I OH Output HIGH urretl - ad SO Pi V OH = V -0.5V - -5 Output HIGH urret - OO Pi Output LOW urret - P Pi 2 I OL Output LOW urretl - ad SO Pi V OL = 0.5V 2 Output LOW urret - OO Pi I IH Iput HIGH urret -,,, Right,, F,, F/F ad OI Pi V IH = V I IL Iput LOW urret -,,, Right,, F, ad F/F Pi V IL = 0V Iput LOW urret - OI Pi -0 Note: Thee pecificatio apply for V =.5V ad T A = 25 O, ule otherwie pecified. 7

8 PT8A970/97/97L Table 6. Electrical haracteritic of PT8A97/97L Sm ym ecriptio T et oditio M i Tp y Mx a Uit Output HIGH urret - VO, VO2 ad OO Pi I OH Output HIGH urret -,, ad Right Pi V OH = V -0.5V - Output HIGH urret -, F,, F ad F Pi - Output LOW urret - VO, VO2 ad OO Pi I OL Output LOW urret -,,, Right ad Pi V OL = 0.5V 2 Output LOW urret - F,, F ad F Pi 2 I IH Iput HIGH urret - OI, VI, VI2 ad SI Pi Iput HIGH urret - VT ad VT2 Pi V IN = V 0 50 Iput LOW urret - OI, I I L VT, VT2, VI, VI2 ad SI Pi V IN = 0V -0 VT Over-urret Limit - VT ad VT2 Pi for 97P Over-urret Limit - VT ad VT2 Pi for 97LP V V V Z Voltage of Zeer - V PT8A97P Voltage of Zeer - V PT8A97LP Pi of of I Z = 2~0.. 7 V V Note: Thee pecificatio apply for T A = 25 O, V =.5V (97), V =.0V (97L), ule otherwie pecified. 8

9 PT8A970/97/97L A Electrical haracteritic Table 7. A Electrical haracteritic of PT8A970 Sm ym ecriptio T et oditio M i Tp y Mx a Uit fos (Note2) Ocillator Frequecy R f = 200kΩ khz tf UN ts TA f to FF Period of Fuctio ode Start-ode Period arrier Frequecy Auto-off Time fo fo fo fo = 28kHz m = 28kHz. 7 = 28kHz 2 2. m 6 khz = 28kHz 2 V Power Supply Rage V I Supply urret Note:.Thee pecificatio apply for V =.5V ad T A = 25 O, ule otherwie pecified. 2.The frequecy of tadard ample i teted o tadard tetig-board. Output Uloaded 0 Table 8. A Electrical haracteritic of PT8A97/97L Sm ym ecriptio T et oditio M i Tp y Mx a Uit fos (Note2) Ocillator Frequecy R f = 200kΩ khz tf UN ts TA Period of Fuctio ode Start-ode Period fo fo = 28kHz m = 28kHz m I Supply urret Output Uloaded 0 Note:. Thee pecificatio apply for T A = 25 O, V =.5V (97), V =.0V (97L), ule otherwie pecified. 2. The frequecy of tadard ample i teted o tadard tetig-board. 9

10 PT8A970/97/97L Figure 5. Typical Applicatio ircuit of PT8A R 70 R 20K R 27.5MHz Q 95P LE L 2.2uH 7 7P R5 00 R.K 6 7P R6 6.8K R7 K 5 7 L 2.2uH 7P Q2 95 R uF S W L 7 2 /T 8 50P 0.02u A ANTENN A L 6.8uH 9 00P B 9V 9 PT8A970 F/F 8 R2 200K L F S O Vcc P O O O I F S GN Tet Right R B F T F/F 0

11 PT8A970/97/97L Figure 6. Typical Applicatio ircuit of PT8A97 5P P B 6V ANTENNA R 0 R 820 SW R5 2.2K R7.k R8 200K R6 2.2K R9 2.2k R0 2.2M R 2.2M R2 80K P 2 0 7P uF Q8 H85 Q 8050 Q 8550 Q Q M R2 0 R 0 R 0K R 0K R9 K R20 K Q7 H85 Q H85 Q 882 Q B772 Q9 B772 Q0 882 M R R R5 0K R6 0K R2 K R22 K Q2 H85 Q7 H85 Q Q9 B772 Q5 B772 Q6 882 M2 R R R7 0K R8 0K R2 K R2 K Q8 H85 6.7uF Q L2 7T VO2 VI2 F 6 VO OO 5 VI GN 2 Vcc 8 Right 7 F SI OI 9 F PT8A97 L.7uH 27MHz VT2 VT 0

12 PT8A970/97/97L Mechaical Iformatio 6-pi IP 2

13 PT8A970/97/97L 20-pi IP Pericom Semicoductor orparatio Pericom Techology Icorporatio reerve the right to make chage to it product or pecificatio at ay time, without otice, i order to improve deig or performace ad to upply the bet poible product. Pericom Techology doe ot aume ay repoibility for ue of ay circuitry decribed other tha the circuitry embodied i Pericom Techology product. The compay make o repreetatio that circuitry decribed herei i free from patet ifrigemet or other right, of Pericom.