TEL : 0755-25636777 FAX : 0755-25622955
MELODY
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256 NOTES DUAL TONE
FEATURES
• 256 notes dual tone.
• PS : Sequence input.
• K1, K2, K3 : Song select.
IC
M995B
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VDD NON KN PS
APPLICATION
• Melody Toys, Musical instrument.
BZ
KN TUNE
K1 TUNE
KN TUNE
K2 TUNE
ELECTRICAL CHARACTERISTICS
Characteristics Operating
Voltage Operating Current Quiescent Current BZ Driving Current Oscillator Frequency Operating Temperature Sym.
VDD IOP ISB IO FOSC Temp.
Min.
― ― ― 1 ― ― 0 Typ.
3 — 1 ― 100 80 25 Max.
3.
5 10 5 ― ― ― 60 Unit V mA μA mA KHz KHz ℃
( @VDD=3V unless otherwise specified ) REMARKS No load @ VDS=1V External±30%, Rosc=300KΩ -DB、-DB2, Rosc=360KΩ
APPLICATION...