SM1155 lsis equivalent, melody lsis.
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Requires few external components 1.2 to 3.6V wide operating voltage range Low power consumption 3 melody modes (bonding option) Oscillator stop funct.
including the hold sound for telephones and toys.
FEATURES
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Requires few external components 1.2 to.
Number 1 2 Name T2 T1 i/o
– Test pins (must be open) Melody mode control input S M 1 1 5 5 ×××1 S 3 TG ip 1 H S M 1 1 5 5 ×××2 S S M 1 1 5 5 ×××3 S L/open 4 5 6 7 8 VSS OUT OUT VDD TC
– o
–
&n.
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