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BT8048

IK Semiconductor
Part Number BT8048
Manufacturer IK Semiconductor
Description Melody Generator
Published Dec 24, 2005
Detailed Description TECHNICAL DATA Melody Generator with Accompaniment FEATURES • Two Sound Sources with Envelope (CR Envelope) • Melody is...
Datasheet PDF File BT8048 PDF File

BT8048
BT8048

Overview
TECHNICAL DATA Melody Generator with Accompaniment FEATURES • Two Sound Sources with Envelope (CR Envelope) • Melody is inserted up to two.
• According to customer’s request, the inserted melody is flexible.
• 3.
0V to 5.
0V Operating Voltage • DC or AC Triggered Performance Start Mode (Mask Selected) • Can Drive an 8 Ohm Dynamic Loudspeaker if Provided Externally with a Transistor • Bare chip or 8-pin DIP (Plastic) Package available BT8048 DESCRIPTION The BT8048 is a CMOS LSI chip, which plays a prearranged melodies.
ORDERING INFORMATION BT8048N Plastic BT8048D SOIC TA = -40° to 85° C for all packages ABSOLUTE MAXIMUM RATINGS ( Ta = 25 C ) Characteristic Power Supply Voltage Input Terminal Voltage Operating Temperature Storage Temperature Soldering Temperature and Time Symbol VDD o ELECTRICAL CHARACTERISTICS (VDD = 5V, Ta = 25oC; unless otherwise specified) Characteristic Operating Voltage Input Voltage “1” “0” MT Power Supply Time Response Time Symbol VDD VIH VIL Test Condition Min 3.
0 VDD - 0.
3 VSS 150 600 Typ 5.
0 Max 5.
5 VDD VSS + 0.
3 ms ms Unit V V MO OUTPUT PIN EQUIVALENT CIRCUIT w w w t a .
D e h S a V10 Ta Tstg Tsol U 4 t e o .
c m o Value Unit V V o o - 0.
3 to + 7.
0 - 0.
2 to VDD + 0.
2 - 65 to + 150 -40 to + 85 (VSS = 1.
5V) 260 C, 10s (at lead) C C 130k 150k MO Pin Accompaniment Inside Insideof ofBT8048 BT8032 1 www.
DataSheet4U.
com Main Melody BT8048 BLOCK DIAGRAM OSC1 OSC2 OSCILLATOR RHYTHM ROM ACCOMPANMENT GENERATOR ENVELOPE MIXER ENV1 ENV2 TEMPO ROM MELODY ROM RHYTHM GENERATOR B/ E ENVELOPE MIXER MO MELODY ROM SEL1 SEL2 MT CONTROL ADDRESS COUNTER P1 CONTROL ROM TONE GENERATOR DRIVER OUT1 OUT2 PIN DESCRIPTION Pin.
No.
1 2 3 4 5 6 7 8 Pin Name OSC1 OSC2 SEL1 VSS ENV1 ENV2 MO VDD Pull-Down Resistor Provided Functions A resistor is connected between both terminals to from a ring oscillator, or external reference signals are applied to OSC1.
For binary selection: this Terminal in Conjunction with SEL1, selects a Melody.
For ...


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