TECHNICAL DATA
BT8040N
Melody Generator with Accompaniment
FEATURES
Two Sound Sources with Envelope (CR Envelope)
3.0V to 5.0V Operating Voltage
DC or AC Triggered Performance Start Mode (Mask Selected)
Can Drive an 8 Ohm Dynamic Loudspeaker if Provided Externally with a Transistor
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
-20 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
1.3
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
BLOCK DIAGRAM
ORDERING INFORMATION
BT8040N
Plastic DIP
T
A
= -20
to 85 C
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
1
BT8040
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
APPLICATION CIRCUIT (basic external connection)
1
OS
C
1
OS
C
2
VR1
TS
T
2
MT
SE
L
2
SE
L
1
TS
T1
EN
V
1
EN
V
2
MO
P1
OU
T
1
OU
T
2
BT8032
B/
E
V
SS
V
DD
2
3
4
5
6
7
8
9
10
11
12
VR2
13
14
16
15
C3
LINE
OUT
C2
C1 R1
R2
BT8040
CR Oscillation, DC Input
2
BT8040
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
- - -
MO OUTPUT PIN EQUIVALENT CIRCUIT
Accompaniment
Main Melody
MO Pin
Inside of BT8032
130k
150k
Inside of BT8040
3
BT8040
Package Dimension
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
10
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
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
16
8
9
4
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