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參數(shù)資料
| 型號： | IZ8018 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | MULTI MELODY GENERATOR |
| 中文描述： | 發(fā)電機多的旋律 |
| 文件頁數(shù)： | 1/5頁 |
| 文件大?。?/td> | 136K |
| 代理商： | IZ8018 |
MULTI MELODY GENERATOR IZ8018
1
FEATURES
Single-chip CMOS construction
512x10 bit ROM melodies
Internal envelope circuit
Low stand-by current
Single 1.5V operation
Piezo direct drive
Easy to connect with standard watch and clock LSI’s
FUNCTIONS
Tempo: 16 kinds
Sound Range: 3 octaves (G4-G7)
Serial select mode - total 7 melodies
Play one melody, auto stop
32768 KHz extarnal clock
DESCRIPTION
The IZ8018 is a CMOS multi melody IC. The circuit is composed of a 512-word ROM, address counter, tempo and tone generator,
address control circuit, envelope signal generator, switch control circuit and tone generator. The IZ8018 has complementary
outputs MO, MO for direct piezo drive. Since the IZ8018 includes an envelope circuit on the output MO, it can generate good
melody sound without any external component for envelope circuit. The IZ8018 can easily be connected to Integral’s standard
watch chips and designed especially for this target.
BLOCK DIAGRAM
Figure 1.
ABSOLUTE MAXIMUM RATINGS (Ta = 25
o
C)
Characteristic
Symbol
Value
Unit
Supply Voltage
V
DD
- V
SS
-0.3 ~ 4.0
V
Input Voltage
V
IN
V
SS
- 0.3 ~ V
DD
+ 0.3
V
Output Voltage
V
OUT
V
SS
- 0.3 ~ V
DD
+ 0.3
V
Operating Temperature
T
a
- 20 ~ + 75
o
C
Storage Temperature
T
stg
- 55 ~ + 125
o
C
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