TECHNICAL DATA

SIMPLE

MELODY

GENERATOR

KK8028-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

KK8028C-

XXL(S)

OUT

DESCRIPTION

The KK8028 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 = 25

Characteristic

Symbol

Value

Unit

DC Supply Voltage

-0.3 ~ 3.5

V

Input Voltage

V

Operating Temperature

-20 ~ +65

Storage Temperature

-55 ~ +125

unless otherwise specified)

Characteristic

Symbol

Test Condition

Min

Typ

Max

Unit

Operating Voltage

1.3

1.5

3.3

V

Supply Current

Stand-by

0.1

1

Operating

Output

open

60

µA

Output Drive Current

0.6

1.5

mA

Output Sink Current

0.6

1.5

mA

Frequency Stability

∆F/F

12

%

1