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UM66T13S

UMC
Part Number UM66T13S
Manufacturer UMC
Description Simple Melody Generator
Published Sep 26, 2018
Detailed Description ; =_=_amcm___----‘_= F z-d @. UM66T Series Simple Melody Generator Features n 62-note ROM memory n 1.3V to 3.3V operat...
Datasheet PDF File UM66T13S PDF File

UM66T13S
UM66T13S

Overview
; =_=_amcm___----‘_= F z-d @.
UM66T Series Simple Melody Generator Features n 62-note ROM memory n 1.
3V to 3.
3V operating voltage and low power con- sumption n Dynamic speaker can be driven with an external NPN transistor.
n OSC.
resistor is built- in n One-shot mode or level-hold mode can be selected n Power on reset; melody begins from the first note n Direct piezo drive.
General Description The UM66T series is a CMOS LSI designed for use in door bells, telephones and toy applications.
It is an on-chip ROM programmed for musical performance.
Produced by CMOS technology, the device results in very low power consumption.
Since the UM66T series includes oscillator and mode selector circuits, a compact melody module can be constructed with only a few additional components.
Pin Configuration Block Diagram o/p VDD vss Pin Description Pin No.
Designation 1 O/P 2 vDD 3 Vss Description Melody output Positive power supply Negative power supply Fl ; STACCATO_ II MELODY ROM a5a4...


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