參數(shù)資料
型號(hào): LS7223
廠商: LSI Corporation
英文描述: KEYPAD PROGRAMMABLE DIGITAL LOCK
中文描述: 可編程數(shù)字鍵盤(pán)鎖
文件頁(yè)數(shù): 3/4頁(yè)
文件大?。?/td> 28K
代理商: LS7223
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 Vss)
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
TA
+70°C unless otherwise specified
)
PARAMETER
CONDITIONS
Output source current
Logic 1 Output
Momentary, Alarm, Lock 1,
V
OUT
V
DD
- 2V
Lock 2, Program Mode Outputs
V
DD
5V
12V
15V
MIN
1.50
5.60
7.25
TYP
2.50
8.25
10.7
MAX
-
-
-
UNIT
mA
mA
mA
Output Sink Current
Momentary, Alarm, Lock 1,
Lock 2, 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.
LS7223 PULSE WIDTH ON MOMENTARY 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
7223-013001-3
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