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