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BT8028C-012 Datasheet(PDF) 1 Page - Integral Corp.

Part # BT8028C-012
Description  SIMPLE MELODY GENERATOR
Download  6 Pages
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Manufacturer  INTEGRAL [Integral Corp.]
Direct Link  http://www.iksemi.com/
Logo INTEGRAL - Integral Corp.

BT8028C-012 Datasheet(HTML) 1 Page - Integral Corp.

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TECHNICAL DATA
SIMPLE MELODY GENERATOR
BT8028-XX
FEATURES
• 127-note ROM memory
• 1.3V to 3.3V power supply and
low power consumption
• RC oscillator on chip
• One shot or level hold mode
• Sound range: 4 octaves, 2
series
• Tempo: 16 kinds
(presto-
largo)
• Direct piezo drive
FUNCTIONS
• Solution of automatic stop or repeat of the
melody
• Dynamic speaker can be driven with external
NPN transistor
• Two or three times repeat of melody (mask
option)
• Each note can be individually programmed to
be staccato or legato (mask option)
• Changing the contents of melody is possible
by reprogramming the maskable ROM
• Power on reset; melody begins from the first
note
• Start from the head of melody
• Bare chip or TO-92 are available
BT8028C-
XXL(S)
OUT
VCC
VSS
DESCRIPTION
The BT8028 is a CMOS LSI chip which electronically plays a prearranged melody. Selection of melody start signal is
possible by mask option: orders specification suffix "L" indicate Level Hold Mode, and suffix "S" indicate One Shot
Mode. The Universal version (as One Shot or Level Hold Mode) is possible also (suffix "U").
ABSOLUTE MAXIMUM RATINGS (Ta = 25oC)
Characteristic
Symbol
Value
Unit
DC Supply Voltage
VCC – VSS
-0.3 ~ 3.5
V
Input Voltage
VIN
VSS – 0.3 ~ VCC – 0.3
V
Operating Temperature
Topr
-20 ~ +65
oC
Storage Temperature
Tstg
-55 ~ +125
oC
ELECTRICAL CHARACTERISTICS (T
a = 25
oC, V
CC = 1.5V ;
unless otherwise specified)
Characteristic
Symbol
Test Condition
Min
Typ
Max
Unit
Operating Voltage
VCC
1.3
1.5
3.3
V
Supply Current
Stand-by
IS
0.1
1
Operating
ICC
Output
open
60
μA
Output Drive Current
IOH
VCC =1.3V, VO =0.8V
0.6
1.5
mA
Output Sink Current
IOL
VCC =1.3V, VO =0.5V
0.6
1.5
mA
Frequency Stability
ΔF/F
FOSC(1.6V) - FOSC(1.3V)
12
%
FOSC(1.3V)
1


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