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LS7222 Datasheet(PDF) 3 Page - LSI Computer Systems

Part # LS7222
Description  KEYPAD PROGRAMMABLE DIGITAL LOCK
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Manufacturer  LSI [LSI Computer Systems]
Direct Link  http://www.lsicsi.com
Logo LSI - LSI Computer Systems

LS7222 Datasheet(HTML) 3 Page - LSI Computer Systems

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Quiescent supply current: (100pF capacitor to Vss and 1.5M
Ω resistor to VDD, connected to the RC-OSC input)
SYMBOL
VDD
MAX
UNIT
IDD
5V
15
µA
IDD
9V
25
µA
IDD
12V
30
µA
MAXIMUM RATINGS: (Voltages references to VSS)
RATING
SYMBOL
VALUE
UNIT
DC supply voltage
VDD
+4 to +18
V
Operating temperature range
TA
-25 to +70
°C
Storage temperature
TSTG
-65 to +150
°C
DC Electrical Characteristics:
(Vss = 0V, VDD = +4V to +15V, = 25°C
≤ TA ≤ +70°C unless otherwise specified)
PARAMETER
CONDITIONS
VDD
MIN
TYP
MAX
UNIT
Output source current
Logic 1 Output
5V
1.50
2.50
-
mA
Lock Display, Arm, Disarm
VOUT
≥ VDD - 2V
12V
5.60
8.25
-
mA
Alarm, Lock
15V
7.25
10.7
-
mA
Program Mode Outputs
Output Sink Current
Logic 0 Output
5V
.400
.60
-
mA
Lock Display, Arm, Disarm
VOUT
≤ Vss + 0.4V
12V
1.20
1.70
-
mA
Alarm, Lock
15V
1.50
2.25
-
mA
Program Mode Outputs
Output Source Current
Logic 1 Output
5V
.25
.400
-
mA
Tamper Output
VOUT
≥ VDD - 2V
12V
.90
1.30
-
mA
15V
1.10
1.70
-
mA
Output Sink Current
Logic 0 Output
5V
.060
.100
-
mA
Tamper Output
VOUT
≤ Vss + 0.4V
12V
.200
.290
-
mA
15V
.250
.370
-
mA
Input Level Detection
VIH = Logic 1
5V
3.5
-
VDD
V
All Inputs
12V
8.0
-
VDD
V
15V
10.0
-
VDD
V
VIL = Logic 0
5V
Vss
-
1.6
V
12V
Vss
-
4.0
V
15V
Vss
-
5.0
V
KEYPAD ENTRY TIME vs. CAPACITOR ON CAP-K INPUT
ENTRY TIME IN SECONDS
5.0
4.0
3.0
2.0
1.0
1
0
2
3
4
5
6
7
8
9
10
V
DD
=
9V
VDD
= 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
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
7222-12201-3


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