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PT8A977B/978B/978BL 5-Function Remote Controller
Features
Description
• PT8A977B works as encoder and PT8A978B/ 978BL works as decoder
• Five pins for five control functions • Operating power-supply voltage: 2.5V to 5.0V (978B),
2.0V to 5.0V (978BL), 1.8V to 5.0V(977B) • Auto-power-off and oscillation-off if no press on
any button (977B) • Press on any button to wake up (977B) • One output pin used for external power control
(977B) • On-chip oscillator with an external resistor • On-chip reversing amplifiers (978B, 978BL) • Low operating current • Few external components needed • Package: 14-pin DIP, 14-pin SOIC, 16-pin DIP
, 16-pin SOIC, die form and wafer form
The PT8A977B and PT8A978B (or 978BL) provide complete control functions to the remote-controlled toy.
PT8A978B Datasheet
