(China (Mainland))
Product Summary
The PT8A977P is a 5-Function Remote Controller. The PT8A978P provides a complete control functions to the remote- controlled toy. The PT8A977P has five input pins corresponding with the five function buttons i.e, forward, backward, rightward, leftward and turbo. The encoding circuit in the PT8A977P sends digital codes to the two output pins SO and SC. The digital codes correspond to the definite function buttons or their combinations. The SO and SC outputs are used in wireless and infra-red applications respectively.
Parametrics
PT8A977P absolute maximum ratings: (1)Storage Temperature: -25o to +85℃; (2)Ambient Temperature with Power Applied: -10 to +40℃; (3)Supply Voltage to Ground Potential (Inputs & VCC Only): -0.5 to +6.0V; (4)Supply Voltage to Ground Potential (Outputs & D/O Only): -0.5 to +6.0V; (5)DC Input Voltage: -0.5 to +6.0V; (6)DC Output Current: 20mA; (7)Power Dissipation: 500mW.
Features
PT8A977P features: (1)PT8A977P/977W works as encoder and PT8A978P/978LW works as decoder; (2)Five pins for five control functions; (3)Operating power-supply voltage: 2.5V to 5.0V (977P, 977W, 978P), 2.0V to 5.0V (978LW); (4)Auto-power-off if no press on any button in 8s or continuously press on any button over 4 minues; (5)Press on any button as wake up (977P, 977W); (6)Manual-power-off with OFF button; (7)One output pin used for external power control (977P, 977W); (8)On-chip oscillator with an external resistor; (9)On-chip reversing amplifiers (978P, 978LW); (10)Low operating current; (11)Few external components needed; (12)Package: 14-pin DIP, 14-pin SOIC, 16-pin DIP and 16-pin SOIC.
Diagrams
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