PT8A9701

www.DataSheet4U.com ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| Data Sheet PT8A9701/973/973L 7-Function Remote Controller Features The PT8A9701 works as the encoder and the PT8A973/973L works as the decoder Seven output pins, 5 for forward, backward, left, right and turbo functions, and 2 functional keys Operation power supply for PT8A9701: 3V to 12V (with series resistor) Auto power-off if no key pressed (PT8A9701) Motor current limit to meet toy safety standard HD271 (PT8A973/973L) Low operating current On-chip oscillator with an external resistor On-chip reversing amplifiers Built-in 3.7V Zener (Vz) (PT8A973) and 3.1V Zener (Vz) (PT8A973L) Few external components needed Pin to pin compatible with TX6/RX6 General Description The PT8A9701 and PT8A973/973L is a pair of CMOS LSIs designed for remote controlled toy car application. They have seven control keys for controlling the corresponding motion (forward, backward, left, right, turbo and 2 functional keys) of the remote controlled car. They also have ‘Forward (Backward)’ and ‘Turbo’ combination application. Ordering Information Device Na me Part No. Package E n cod er PT8A9701P 16-pin PDIP PT8A973P PT8A973LP Decod er PT8A973DE PT8A973LDE Die Form 18-pin PDIP Block Diagram Figure 1. ...