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| TECHNICAL DATA BT8031-XX FEATURES * 127-note ROM memory * 2.0V to 5.0V power supply and low power consumption * RC oscillator on chip * One shot or level hold mode (mask option) * Sound range: 2.5 octaves, 2 series * Tempo: 16 kinds (presto-largo) * Double sound sources * Digital Envelope Effect FUNCTIONS * Dynamic speaker can be driven with external NPN transistor * Power on reset; melody begins from the first note * Start from the head of melody * Bare chip or TO-92 are available DESCRIPTION The BT8031-XX is a CMOS LSI chip, which plays a prearranged melodies. The ROM has a 127 words and can store up to two melodies with double sound sources, and it uses the built-in digital envelope circuit. SONG LIST 5 MO PIN CONFIGURATION 01 02 03 04 05 For Elise Ding - Dong 6 VCC BT8031-XX Westminster One Ding - Dong 1 VSS It's Small World MT 4 OSC TEST 23 VSS VCC MO CHIP TO-92 ELECTRICAL CHARACTERISTICS (VCC = 3V, VSS = 0V, Ta = 25oC; Characteristic Operating Voltage Supply Current Output Drive Current Output Sink Current Input Current MT Frequency Stability Stand-by* Operating Symbol VCC IS ICC IOH IOL II F/F Test Condition unless otherwise specified) Min 2.0 Typ 3.0 0.6 0.5 0.5 Max 5.0 5 1 Unit V A mA mA mA A % Output open VCC =3V, VO =0.8V VCC =3V, VO =0.5V VIN = VCC FOSC(3V) - FOSC(2V) FOSC(3V) 0.5 0.5 0.5 3.0 15 * Only for version "ONE SHOT MODE" 1 BT8031-xx APPLICATION CIRCUITS LEVEL HOLD MODE (TO-92) ONE SHOT MODE (BARE CHIP) 5 MO R VCC + 3V BT8031-XX VSS MO R Speaker 8 + 3V 1 VSS 6 VCC MT 4 OSC TEST 23 R = 5 / 10k NOTE: The chip substrate is connected to VSS. N SUFFIX PLASTIC DIP (MS - 001BA) A 8 5 B 1 4 Dimension, mm Symbol A B MIN 8.51 6.1 MAX 10.16 7.11 5.33 0.36 1.14 2.54 7.62 0 2.92 7.62 0.2 0.38 10 3.81 8.26 0.36 0.56 1.78 F L C D C -T- SEATING PLANE F G M H J N G D 0.25 (0.010) M T K H J K L M N NOTES: 1. Dimensions "A", "B" do not include mold flash or protrusions. Maximum mold flash or protrusions 0.25 mm (0.010) per side. 2 BT8031-xx * TO-92 3 |
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