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 V
CC
BT8031-XX
Westminster
One Ding - Dong
1 V
SS
It’s Small World
MT 4
OSC TEST
2 3
V
SS
V
CC
MO
CHIP
TO-92
ELECTRICAL CHARACTERISTICS
(V
CC
= 3V, V
SS
= 0V, T
a
= 25
o
C;
Characteristic
Operating Voltage
Supply Current
Output Drive Current
Output Sink Current
Input Current MT
Frequency Stability
Stand-by*
Operating
Symbol
V
CC
I
S
I
CC
I
OH
I
OL
I
I
∆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
V
CC
=3V, V
O
=0.8V
V
CC
=3V, V
O
=0.5V
V
IN
= V
CC
F
OSC
(3V) - F
OSC
(2V)
F
OSC
(3V)
0.5
0.5
0.5
3.0
15
* Only for version “ONE SHOT MODE”
1
INTEGRAL [ INTEGRAL CORP. ]
