TECHNICAL DATA
BT8031-XX
FEATURES
FUNCTIONS
• 127-note ROM memory
• 2.0V to 5.0V power supply and low power
consumption
• Dynamic speaker can be driven with external
NPN transistor
• Power on reset; melody begins from the first note
• Start from the head of melody
• 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
• Bare chip or TO-92 are available
• Digital Envelope Effect
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
PIN CONFIGURATION
5
MO
01
02
For Elise
BT8031-XX
Ding - Dong
6
V
CC
03
04
05
Westminster
One Ding - Dong
It’s Small World
1
VSS
MT
4
OSC TEST
3
2
V
SS CC MO
V
CHIP
TO-92
ELECTRICAL CHARACTERISTICS (VCC = 3V, VSS = 0V, Ta = 25oC; unless otherwise specified)
Characteristic
Operating Voltage
Symbol
Test Condition
Min
Typ
Max
Unit
VCC
IS
ICC
IOH
IOL
II
2.0
3.0
-
0.6
0.5
0.5
5.0
5
1
V
Supply Current
Stand-by*
Operating
ꢀ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)
Output Drive Current
Output Sink Current
Input Current MT
0.5
0.5
0.5
3.0
15
Frequency Stability
-
∆F/F
* Only for version “ONE SHOT MODE”
1
INTEGRAL [ INTEGRAL CORP. ]
