Data Sheet PT8A9701/973/973L 7-Function Remote Controller ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| Features • Built-in 3.7V Zener (Vz) (PT8A973) and 3.1V Zener (Vz) (PT8A973L) • The PT8A9701 works as the encoder and the • Few external components needed PT8A973/973L works as the decoder • Pin to pin compatible with TX6/RX6 • Seven output pins, 5 for forward, backward, left, General Description right and turbo functions, and 2 functional keys • Operation power supply for PT8A9701: 3V to 12V The PT8A9701 and PT8A973/973L is a pair of (with series resistor) CMOS LSIs designed for remote controlled toy car • Auto power-off if no key pressed (PT8A9701) application. They have seven control keys for • Motor current limit to meet toy safety standard controlling the corresponding motion (forward, HD271 (PT8A973/973L) backward, left, right, turbo and 2 functional keys) of • Low operating current the remote controlled car. They also have ‘Forward • On-chip oscillator with an external resistor (Backward)’ and ‘Turbo’ combination application. • On-chip reversing amplifiers Ordering Information Device Na me E n cod er Part No. PT8A9701P Package 16-pin PDIP Decod er PT8A973P PT8A973LP PT8A973DE 18-pin PDIP PT8A973LDE Die Form Block Diagram Figure 1. Block Diagram of PT8A9701 f0/2 OSCI OSCO Forward Backward Left Right Turbo F1 F2 F3/F4 Oscillator f0 Timing Generator Latch Circuit SC SO MUX Logic Control VCC PC Counters PT0089(09/02) 1 Ver:2 Data Sheet PT8A9701/973/973L 7-Function Remote Controller ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| Figure 2. Block Diagram of PT8A973/973L OSCI OSCO Oscillator SI Amp VI1 VO1 VI2 VO2 LRTD Timing Generator Counter Decoding Circuit PLA Right Left Backward Forward Turbo F1 F2 Latch Circuit Control Logic VT1 VCC Pin Configuration PT8A9701P 16-Pin PDIP Right NC GND Backward Forward Turbo SC F3/F4 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 PT8A973P/973LP 18-Pin PDIP VO2 GND SI OSCI OSCO F1 Right F2 Left Left F1 OSCI OSCO PC VCC SO F2 1 2 3 4 5 6 7 8 9 18 17 16 15 14 13 12 11 10 VI2 VO1 VI1 VCC Turbo Forward Backward LRTD VT1 Top View PT0089(09/02) 2 Ver:2 Data Sheet PT8A9701/973/973L 7-Function Remote Controller ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| Pad Location PT8A9701DE GND NC RIGHT LEFT FI OSCI BACKWARD OSCO FORWARD 1515um TURBO PC SC . Die No F3/F4 F2 SO V CC 1360um Pad Name X Coordinate RIGHT 457.5 NC 317.5 GND 115.5 BACKWARD 98 FORWARD 98 TURBO 98 SC 108.5 F3/F4 171.5 Note: Substrate is connected to Vcc PT0089(09/02) Pad Coordinates Y Coordinate Pad Name 1300.5 F2 1300.5 SO 1202 Vcc 1053 PC 903 OSCO 763 OSCI 460 F1 145.5 LEFT 3 X Coordinate 363.5 627 972 1152 1146 961.5 812.5 658 Y Coordinate 97.5 108 98 339.5 728.5 1300.5 1300.5 1300.5 Ver:2 Data Sheet PT8A9701/973/973L 7-Function Remote Controller ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| Pad Location PT8A973DE OSCI SI GND VO2 VI2 VO1 VI1 V CC TURBO OSCO F1 FORWARD 1955um RIGHT Die No. F2 LEFT VT1 LRTD BACKWARD 2265um Pad Name X Coordinate VO2 1024.1 GND 854.6 SI 687.6 OSCI 138.5 OSCO 138.5 F1 136.5 RIGHT 136.5 F2 360.6 LEFT 749.6 Note: Substrate is connected to Vcc PT0089(09/02) Pad Coordinates Y Coordinate Pad Name X Coordinate Y Coordinate 1654.4 1654.4 1671.9 1653.3 1089.3 836.8 447.8 136 136 1003.1 1433.1 1898.1 1922.7 1922.7 1831.3 1475.6 1341.6 1158.1 147.5 147.5 136 990.1 1487.2 1654.8 1654.4 1654.4 1654.4 VT1 LRTD BACKWARD FORWARD TURBO VCC VI1 VO1 VI2 4 Ver:2 Data Sheet PT8A9701/973/973L 7-Function Remote Controller ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| Pin/Pad Description Table 1. Pin/Pad Description of PT8A9701 P in No P in /Pa d Na me Typ e 1 Right I Rightward function selected if this pin connected to GND 2 NC - No connection 3 GND GND 4 Backward I Backward function selected if this pin connected to GND 5 Forward I Forward function selected if this pin connected to GND 6 Turbo I Turbo function selected if this pin connected to GND 7 SC O Output pin of the encoding signal with carrier freqency 8 F3/F4 I Able to toggle between Function 3 and Function 4 if connected to GND 9 F2 I Function 2 selected if connected to GND 10 SO O Output pin of the encoding signal without carrier freqency 11 VCC P Power supply 12 PC O Power control output pin 13 OSCO O Oscillator output pin 14 OSCI I Oscillator input pin 15 F1 I Function 1 selected if connected to GND 16 Left I Leftward function selected if this pin connected to GND PT0089(09/02) Descr ip t ion Ground 5 Ver:2 Data Sheet PT8A9701/973/973L 7-Function Remote Controller ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| Table 2. Pin/Pad Description of PT8A973/973L P in No P in /Pa d Na me Typ e Descr ip t ion 1, 17 VO2, VO1 O 2 GND GND 3 SI I Input pin for encoded signal 4 OSCI I Oscillator input pin 5 OSCO O Oscillator output pin 6 F1 O F1 function output pin 7 Right O Rightward output pin 8 F2 O F2 function output pin 9 Left O Leftward output pin 10 VT1 I Auto shut-off input pin: If voltage on VT1 pin is over 0.095VCC for 3 sec, all outputs will be shut off automatically. 11 LRTD I Left/Right turbo disable pin 12 Backward O Backward output pin 13 Forward O Forward output pin 14 Turbo O Turbo output pin 15 VCC P Power supply 16, 18 VI1,VI2 I Input pins of amplifiers 1 and 2 Output pins of amplifiers 1 and 2 Ground LRTD Function L RT D St a t u s Key Select ed O u t p u t F u n ct ion High (Open) Forward + Left (Right) + Turbo Forward + Left (Right) + Turbo Low Forward + Left (Right) + Turbo Forward + Left (Right) PT0089(09/02) 6 Ver:2 Data Sheet PT8A9701/973/973L 7-Function Remote Controller ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| Maximum Ratings (Above which the useful life may be impaired. For user guidelines, not tested) Maximum Ratings PT8A9701 Storage Temperature ....................................................................................................................................... -25oC to +85oC Ambient Temperature with Power Applied ........................................................................................................ 0oC to +70oC Supply Voltage to Ground Potential (Inputs & VCC Only) ................................................................................... -0.5 to +5.5V Supply Voltage to Ground Potential (Outputs & D/O Only) ............................................................................... -0.5 to +5.5V DC Input Voltage ............................................................................................................................................... -0.5 to +5.5V DC Output Current ....................................................................................................................................................... 20mA Power Dissipation ...................................................................................................................................................... 500mW Maximum Ratings PT8A973 Storage Temperature ....................................................................................................................................... -25oC to +85oC Ambient Temperature with Power Applied ........................................................................................................ 0oC to +70oC Supply Voltage to Ground Potential (Inputs & VCC Only) ................................................................................... -0.5 to +5.5V Supply Voltage to Ground Potential (Outputs & D/O Only) ............................................................................... -0.5 to +5.5V DC Input Voltage ............................................................................................................................................... -0.5 to +5.5V DC Output Current ....................................................................................................................................................... 30mA Power Dissipation ...................................................................................................................................................... 500mW Maximum Ratings PT8A973L Storage Temperature ....................................................................................................................................... -25oC to +85oC Ambient Temperature with Power Applied ........................................................................................................ 0oC to +70oC Supply Voltage to Ground Potential (Inputs & VCC Only) ................................................................................... -0.5 to +5.0V Supply Voltage to Ground Potential (Outputs & D/O Only) ............................................................................... -0.5 to +5.0V DC Input Voltage ............................................................................................................................................... -0.5 to +5.0V DC Output Current ....................................................................................................................................................... 30mA Power Dissipation ...................................................................................................................................................... 500mW Note: Stresses greater than those listed under MAXIMUM RATINGS may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect reliability. PT0089(09/02) 7 Ver:2 Data Sheet PT8A9701/973/973L 7-Function Remote Controller ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| Recommended Operating Conditions Table 4. Recommended Operating Conditions Sym ICC Descr ip t ion Min Ma x Un it s Supply Current for PT8A973P 30 mA Supply Current for PT8A973LP 30 mA VIH Input HIGH Voltage VIL Input LOW Voltage FOSC Oscillator Frequency 109 TA Operation Temperature 0 Typ 0.7VCC V 0 0.3VCC V 128 146 kHz O 70 C DC Electrical Characteristics Table 5. DC Electrical Characteristics of PT8A9701 Sym Descr ip t ion Test C on d it ion s Min Typ Ma x Un it s VZ Voltage of Zenner IZ = 2~30mA 3.4 3.7 4.0 V -3 -5 mA -3 -5 mA Output HIGH Current - PC Pin IOH IOL Output HIGH Currentl SC and SO Pins VOH = VCC-0.5V Output HIGH Current OSCO Pin -200 Output LOW Current - PC Pin 2 3 mA 2 3 mA Output LOW Currentl SC and SO Pins VOL = 0.5V Output LOW Current OSCO Pin IIH IIL Input HIGH Current Forward, Backward, Left, Right, Turbo, F1, F2, F3/F4 and OSCI Pins Input LOW Current Forward, Backward, Left, Right, Turbo, F1, F2 and F3/F4 Pins -1000 200 VIH = VCC -20 -40 uA 1000 uA 1 uA -100 uA -10 uA VIL = 0V Input LOW Current - OSCI Pin Note: These specifications apply for VCC = 3.5V and TA = 25 C, unless otherwise specified. O PT0089(09/02) 8 Ver:2 Data Sheet PT8A9701/973/973L 7-Function Remote Controller ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| Table 6. DC Electrical Characteristics of PT8A973/973L Sym Descr ip t ion Test C on d it ion s Output HIGH Current VO1, VO2 and OSCO Pins IOH IOL Output HIGH Current Forward, Backward, Left and Right Pins VOH = VCC-0.5V IIL Un it s 800 uA mA -3 Output LOW Current VO1, VO2 and OSCO Pins 200 Input HIGH Current - OSCI, VI1, VI2 ,LRTD and SI Pins Ma x -3 Output HIGH Current Turbo, F1 and F2 Pins Output LOW Current Forward, Backward, Left, Right and Turbo Pins Typ 300 VOL = 0.5V 2 1000 uA 3 mA Output LOW Current F1 and F2 Pins IIH Min 2 3 10 uA Input HIGH Current -VT1 50 uA Input LOW Current - OSCI, VT1, VI1, VI2 and SI Pins -10 uA -50 uA Input LOW Current - LRTD Pins VIN = VCC VIN = 0V Over-Current Limit VT1 Pins for PT8A973P 0.30 0.40 V Over-Current Limit VT1 Pins for PT8A973LP 0.25 0.35 V VT Voltage of Zenner - PT8A973P VZ Voltage of Zenner - PT8A973LP IZ = 2~30mA 3.4 3.7 4 V 2.8 3.1 3.4 V Note: These specifications apply for TA = 25°C,VCC = 3.5V (973), VCC = 3.0V (973L),unless otherwise specified. PT0089(09/02) 9 Ver:2 Data Sheet PT8A9701/973/973L 7-Function Remote Controller ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| AC Electrical Characteristics Table 7. AC Electrical Characteristics of PT8A9701 Sym Descr ip t ion Test C on d it ion s Min Typ Ma x Un it s fOSC (Note2) Oscillator Frequency Rf = 200kΩ 109 128 146 kHz tFUN Period of Function Code fOSC = 128kHz 1.7 2 2.3 ms tSTA Start-Code Period fOSC = 128kHz 1.7 2 2.3 ms fCSC Carrier Frequency fOSC = 128kHz 64 kHz tOFF Auto-off Time fOSC = 128kHz 2 s VCC Power Supply Range - ICC Supply Current Output Unloaded 3 9 12 V 30 mA Note: 1. These specifications apply for VCC = 3.5V and TA = 25OC, unless otherwise specified. 2.The frequency of standard samples is tested on standard testing-board. Table 8. AC Electrical Characteristics of PT8A973/973L Sym Descr ip t ion Test C on d it ion s Min Typ Ma x Un it s fOSC (Note2) Oscillator Frequency Rf = 200kΩ 109 128 146 kHz tFUN Period of Function Code fOSC = 128kHz 1.7 2 2.3 ms tSTA Start-Code Period fOSC = 128kHz 1.7 2 2.3 ms ICC Supply Current Output Unloaded 30 mA Notes: 1. These specifications apply for TA = 25°C, VCC = 3.5V (973), VCC = 3.0V (973L),unless otherwise specified. 2. The frequency of standard samples is tested on standard testing-board. PT0089(09/02) 10 Ver:2 Data Sheet PT8A9701/973/973L 7-Function Remote Controller ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| C4 0.02u C8 150P R6 6.8K Q1 C945P R5 100 C7 47P CR1 27.145MHz F2 F3/F4 1 0 SO S C 1 1 Vcc 1 2 PC 1 3 OSCO 1 4 OSCI GN D 1 5 F1 Test 1 6 Left PT0089(09/02) 8 7 6 T Turbo 5 F Forward 3 2 1 R Right 4 B Backward L F1 R2 200K PT8A9701 9 F3/F4 F2 C2 203 R1 470 R4 120K D1 LE D L 4 2.2uH C6 47P R3 3.3K R7 33K C5 47 R8 100 Q2 C945 C3 47P L 3 2.2uH C1 100uF L 7 21/4T C9 100P L 1 6.8uH 9V SW A ANTENN 1 A B1 Figure 5. Typical Application Circuit of PT8A9701 11 Ver:2 R1 10 11 12 13 14 15 16 17 18 VT LRTD Backward Data Sheet PT8A9701/973/973L 7-Function Remote Controller Left F2 Right Vcc Turbo SI OSCI OSCO F1 VI1 GND Forward VO1 VO2 PT8A973 VI2 9 8 7 6 5 4 3 1 2 R20 1K 104 R13 10K Q6 8050 Q4 8050 R14 10K H1815 R19 1K SW Q8 Figure 6. Typical Application Circuit of PT8A973 12 R5 Q7 H1815 R8 C11 200K 222 2.2K R2 330 Q5 M3 8550 2.2K Q3 8550 R3 330 R17 10K Q16 D882 R18 10K Q20 D882 R23 1K Q10 D882 R11 2.2M 1K Q14 D882 R16 10K 104 104 R6 R15 10K R24 1K Q18 H1815 Q11 H1815 Q12 H1815 R21 R10 2.2M C9 500P R27 220 Q15 B772 M 2 Q19 B772 R26 220 R28 220 Q9 B772 C7 104 Q17 H1815 Ver:2 ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| PT0089(09/02) R12 R22 1K C8 104 R7 3K3 Q1 C380 Q13 B772 M1 R25 220 R9 2K2 R4 820 180K C6 4.7uF C2 103 B1 6V L2 L1 C3 47P 4.7uH 330 C12 220uF C10 104 C1 5P C5 47P 7T C4 472 ANTENNA 27MHz Data Sheet PT8A9701/973/973L 7-Function Remote Controller ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| Notes Pericom Technology Inc. Email: [email protected] Web Site: www.pti.com.cn, www.pti-ic.com China: No. 20 Building, 3/F, 481 Guiping Road, Shanghai, 200233, China Tel: (86)-21-6485 0576 Fax: (86)-21-6485 2181 Asia Pacific: Unit 1517, 15/F, Chevalier Commercial Centre, 8 Wang Hoi Rd, Kowloon Bay, Hongkong Tel: (852)-2243 3660 Fax: (852)- 2243 3667 U.S.A.: 2380 Bering Drive, San Jose, California 95131, USA Tel: (1)-408-435 0800 Fax: (1)-408-435 1100 Pericom Technology Incorporation reserves the right to make changes to its products or specifications at any time, without notice, in order to improve design or performance and to supply the best possible product. Pericom Technology does not assume any responsibility for use of any circuitry described other than the circuitry embodied in Pericom Technology product. The company makes no representations that circuitry described herein is free from patent infringement or other rights, of Pericom Technology Incorporation. PT0089(09/02) 13 Ver:2