TECHNICAL DATA
BT8040
Melody Generator with Accompaniment
FEATURES
ћ Two Sound Sources with Envelope (CR Envelope)
ћ Melody is inserted up to four.
ћ A
ccording to customer's request, the inserted melody is flexible.
ћ 3.0V to 5.0V Operating Voltage
ћ DC or AC Triggered Performance Start Mode (Mask Selected)
ћ Can Drive an 8 Ohm Dynamic Loudspeaker if Provided Externally with a
Transistor
ћ Bare chip or 16-pin DIP (Plastic) Package available
DESCRIPTION
The BT8040 is a CMOS LSI chip, which plays a prearranged melodies.
ABSOLUTE MAXIMUM RATINGS ( T
a
= 25
o
C )
Characteristic Symbol
Value
Unit
Power Supply Voltage
V
DD
- 0.3 to + 7.0
V
Input Terminal Voltage
V
10
- 0.2 to V
DD
+
0.2 V
Operating Temperature
T
a
-40 to + 85 (V
SS
= 1.5V)
o
C
Storage Temperature
T
stg
- 65 to + 150
o
C
Soldering Temperature and Time
T
sol
260
o
C, 10s (at lead)
ELECTRICAL CHARACTERISTICS
(V
DD
= 5V, T
a
= 25
o
C; unless otherwise specified)
Characteristic Symbol
Test
Condition Min
Typ
Max
Unit
Operating Voltage
V
DD
3.0
5.0
5.5
V
Input Voltage
"1"
V
IH
V
DD
- 0.3
-
V
DD
V
"0"
V
IL
V
SS
- V
SS
+ 0.3
MT Power Supply Time
150
ms
Response Time
600
ms
MO OUTPUT PIN EQUIVALENT CIRCUIT
ORDERING INFORMATION
BT8040N Plastic
BT8040D SOIC
T
A
= -40
њ to 85њ C for all packages
Accompaniment
Main Melody
MO Pin
Inside of BT8032
130k
150k
Inside of BT8040
1
BT8040
BLOCK DIAGRAM
PIN DESCRIPTION
Pin. No.
Pin Name
Pull-Down
Resistor
Functions
1
OSC1
-
A resistor is connected between both terminals to from a ring
2
OSC2
-
oscillator, or external reference signals are applied to OSC1.
3
TST2
Provided
LSI Test Input/Output.
4
MT Provided
For binary selection: Controls Start and Stop of Performance.
For direct selection: Selects Melody 1 and Controls Start and Stop of it's
Performance.
5
SEL2 Provided
For binary selection: this Terminal in Conjunction with SEL1, selects a Melody.
For direct selection: Selects Melody 3 and Controls Start and Stop of it's
Performance.
6
SEL1 Provided
For binary selection: this Terminal in Conjunction with SEL1, selects a Melody.
For direct selection: Selects Melody 2 and Controls Start and Stop of it's
Performance.
7
B/E
-
BUSY or END Signal Output Terminal.
8
V
SS
-
Power Supply Terminal (0V).
9
TST1
Provided
LSI Test Input.
10
ENV1
-
Connects Resistor and Capacitor to add Envelope to Main Melody.
11
ENV2
-
Connects Resistor and Capacitor to add Envelope to Accompaniment.
12
MO
-
Output Terminal or Acoustic Signals that have not been Amplified.
13
P1
Connects PNP/NPN Transistors, resistors and Capacitors to form
14
OUT1 Provided
a
Low-Frequency
Linear Amplifier Circuit.
15
OUT2
16
V
DD
-
3.0V to 5.0V Operating Voltage
OSCILLATOR
CONTROL
DRIVER
RHYTHM
ROM
MELODY
ROM
ENVELOPE
MIXER
TEMPO ROM
MELODY ROM
ADDRESS
COUNTER
CONTROL ROM
TONE
GENERATOR
RHYTHM
GENERATOR
ENVELOPE
MIXER
ACCOMPANMENT
GENERATOR
OSC1
SEL1
P1
SEL2
OUT1
MT
OUT2
ENV1
MO
B/ E
ENV2
OSC2
2
BT8040
APPLICATION CIRCUIT (basic external connection)
BT80
40
Amplifier
(IL34119)
Speaker out
or Buzzer
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
04
03
02
01
08
07
06
05
Rx1
Rx4
Rx2
Rx3
470
100 1W
100
k
1
00k
4.7
F
/
2
5
V
4.7
F
/
2
5
V
10
F
/
2
5
V
10
4
Z
D
5.1V
10
4
1
00
F
/
2
5
V
ZD 1W
13V
1N4004
1N4004
12V
Rx1 = Buzzer(1M), Speaker(2.2k)
Rx2,Rx3 = VR (Rx2 = 20k~50k, Rx3 = 5k~10k)
Rx4 = Speed VR (500k~1.5M)
104
ON / OFF
OSC1
OSC2
TST2
MT
SEL2
SEL1
B/E
Vss
Vdd
OUT2
OUT1
P1
MO
ENV2
ENV1
TST1
RECOMMENDED CONDITIONS FOR EXTERNAL DEVICES
Symbol Ratings Unit Symbol Ratings Unit
VR1
1 - 2
M
C1 4.7
F
VR2 50 k
C2 4.7
F
R1 100 k
C3 0.1
F
R2 100 k
- - -
SELECTION CONDITION FOR MELODY
Condition
#5 #6
Melody
High
High
*Test melody
High
Low
*Ding - Dong
Low
High
*Do - Mi - Sol - Do
Low
Low
*Do- Sol - Mi - Do
* Revision & Injection of Melody is possible according to customer's request.
3
BT8040
N SUFFIX PLASTIC DIP
(MS - 001BB)
Symbol
MIN
MAX
A
18.67
19.69
B
6.10
7.11
C
5.33
D
0.36
0.56
F
1.14
1.78
G
H
J
0
њ
10
њ
K
2.92
3.81
NOTES:
L
7.62
8.26
1.
Dimensions "A", "B" do not include mold flash or protrusions.
M
0.20
0.36
Maximum mold flash or protrusions 0.25 mm (0.010) per side.
N
0.38
D SUFFIX SOIC
(MS - 012AC)
Symbol
MIN
MAX
A
9.80
10.00
B
3.80
4.00
C
1.35
1.75
D
0.33
0.51
F
0.40
1.27
G
H
J
0
њ
8
њ
NOTES:
K
0.10
0.25
1.
Dimensions A and B do not include mold flash or protrusion.
M
0.19
0.25
2.
Maximum mold flash or protrusion 0.15 mm (0.006) per side
P
5.80
6.20
for A; for B 0.25 mm (0.010) per side.
R
0.25
0.50
Dimension, mm
Dimension, mm
5.72
2.54
7.62
1.27
A
B
H
C
K
C M
J
F
M
P
G
D
R x 45
SEATING
PLANE
0.25 (0.010) M T
-T-
1
16
8
9
L
H
M
J
A
B
F
G
D
SEATING
PLANE
N
K
0.25 (0.010) M T
-T-
C
1
16
8
9
4
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