HT3494 Multi-Function Keyboard Instrument

Holtek

Description

HT3494 Multi-Function Keyboard Instrument .
The HT3494 is a CMOS VLSI designed for musical instruments, especially 49-key multi-function instruments.

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Datasheet Specifications

Part number: HT3494
Manufacturer: Holtek
File Size: 808.98 KB
Datasheet: HT3494_Holtek.pdf
Description: Multi-Function Keyboard Instrument

Features

* Operating voltage: 3.3V~5.1V On-chip crystal oscillator: 3.58MHz 49-key instrument and compass range from C2~C6 15 outputs for key scanning 8 inputs for key scanning 32

Applications

* Keyboard scanning outputs C6 and C7 are used as common pins to generate a scanning drive signal for 7-segment LED display. C6 drives the left digit and C7 the right digit of 7-segment display (see the application circuit). System reset input, active low Connect this pin to VDD (or pull-high) for no

HT3494 Distributors

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