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參數(shù)資料
| 型號： | LS7222 |
| 廠商： | LSI Corporation |
| 英文描述： | KEYPAD PROGRAMMABLE DIGITAL LOCK |
| 中文描述： | 可編程數(shù)字鍵盤鎖 |
| 文件頁數(shù)： | 3/4頁 |
| 文件大?。?/td> | 30K |
| 代理商： | LS7222 |
Quiescent supply current: (100pF capacitor to Vss and 1.5M
resistor to V
DD
, connected to the RC-OSC input)
SYMBOL
V
DD
I
DD
5V
I
DD
9V
I
DD
12V
MAX
15
25
30
UNIT
μA
μA
μA
MAXIMUM RATINGS: (Voltages references to V
SS
)
RATING
DC supply voltage
Operating temperature range
Storage temperature
SYMBOL
V
DD
T
A
T
STG
VALUE
+4 to +18
-25 to +70
-65 to +150
UNIT
V
°C
°C
DC Electrical Characteristics:
(Vss = 0V, V
DD
= +4V to +15V, = 25°C
≤
T
A
≤
+70°C unless otherwise specified
)
PARAMETER
CONDITIONS
V
DD
MIN
TYP
MAX
UNIT
Output source current
Lock Display, Arm, Disarm
Alarm, Lock
Program Mode Outputs
Logic 1 Output
V
OUT
≥
V
DD
- 2V
5V
12V
15V
1.50
5.60
7.25
2.50
8.25
10.7
-
-
-
mA
mA
mA
Output Sink Current
Lock Display, Arm, Disarm
Alarm, Lock
Program Mode Outputs
Logic 0 Output
V
OUT
≤
Vss + 0.4V
5V
12V
15V
.400
1.20
1.50
.60
1.70
2.25
-
-
-
mA
mA
mA
Output Source Current
Tamper Output
Logic 1 Output
V
OUT
≥
V
DD
- 2V
5V
12V
15V
.25
.90
1.10
.400
1.30
1.70
-
-
-
mA
mA
mA
Output Sink Current
Tamper Output
Logic 0 Output
V
OUT
≤
Vss + 0.4V
5V
12V
15V
.060
.200
.250
.100
.290
.370
-
-
-
mA
mA
mA
Input Level Detection
All Inputs
V
IH
= Logic 1
5V
12V
15V
3.5
8.0
10.0
-
-
-
V
DD
V
DD
V
DD
V
V
V
V
IL
= Logic 0
5V
12V
15V
Vss
Vss
Vss
-
-
-
1.6
4.0
5.0
V
V
V
KEYPAD ENTRY TIME vs. CAPACITOR ON CAP-K INPUT
ENTRY TIME IN SECONDS
C
5.0
4.0
3.0
2.0
1.0
1
0
2
3
4
5
6
7
8
9
10
V
DD
=5V
V
DD
=9V
V
DD
= 12V
FIGURE 3.
LS7222 PULSE WIDTH ON ARM, DISARM AND
TAMPER OUTPUTS vs. CAPACITOR ON CAP-M INPUT
FIGURE 4.
PULSE WIDTH TIME IN SECONDS
C
10
-6
10
-5
10
-4
10
-3
10
-2
10
-1
10
-9
10
-8
10
-7
10
-6
10
-5
10
-10
V
DD
=5V
V
DD
=9V
V
DD
=12V
7222-12201-3
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