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參數資料
| 型號： | CDT3050 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | The CDT3050 is a low voltage 3 digits LCD driver for advanced Count Down Timer |
| 中文描述： | 該CDT3050是一款低電壓3位先進的LCD驅動程序倒數計時器 |
| 文件頁數： | 1/4頁 |
| 文件大小： | 45K |
| 代理商： | CDT3050 |
CDT-3050 ---
1
CDT3050
P. 1
3-DIGIT DOWN TIMER IC
DESCRIPTION
FEATURES
The CDT3050 is a low voltage 3 digits
LCD driver for advanced
Count
Down
Timer
.
Minimal components are used.
With START/STOP and RECALL setting
functions.
LCD: 1/2 Duty, 1/2 Bias, 2 Commons
z
CMOS Technology
z
Supply Voltage Range
z
Low Standby Current
<
5
μ
A
z
With a Trigger Output Capability
z
Time Setting
Max: 999 Minutes
Min: 1
Minute
z
32768 Hz Crystal used
z
LCD displays Seconds until the last
minute
z
16 seconds, 4Hz (64 Sounds) BiBi
Alarm when time runs out
z
“
” - Operating symbol
z
“
S
” - Seconds symbol
1.2 ~ 1.8VDC
APPLICATIONS
z
Count Down Timer
z
Electronic Timer
z
Setting Control Timer
DEVICE TYPE
Type No.
Package
CDT3050
Chip form
DC ELECTRONICAL CHARACTERISTICS
Characteristics
Operation Voltage
Operation Current
BZ Driver Current
Crystal
LCD Display Freq
K0~K9 Input Current
Trigger Output Current
Symbol
VDD
I
dd
I
bz
I
key
I
trig
Min
1.2
-
2.0
-
-
-
1
Type
1.5
-
-
32768
32
-
-
Max
1.8
2.0
-
-
-
5
-
Unit
V
μ
A
mA
Hz
Hz
μ
A
mA
Above testing conditions are based on VDD=1.5V
Chip Design Technology
89
10
24
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