參數(shù)資料
型號(hào): 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): 4/4頁
文件大小: 30K
代理商: LS7222
1
2
3
4
5
6
7
8
9
1
2
1
1
D
1
1
1
1
1
1
1
V
S
R
X
X
X
X
Y
Y
Y
Y
V
D
C
L
L
D
A
A
T
C
P
TO MASTER
ALARM SYSTEM
CONTROLLER
LOCK
INDICATOR
+V
IMPULSE LATCHING
ELECTRO-MECHANICAL
LOCK
PROGRAM
MODE
INDICATOR
+V
7
8
9
4
5
6
1
2
3
X4
X3
X2
X1
Y4
Y3
Y1
Y2
#
*
FIGURE 2. TYPICAL APPLICATION
1
. Keypad is typical 4 X 3 matrix type. Switch resistance should be
1k
.
2
. Configuration shown is typical. The outputs of the LS7222 are functionally designed
to provide either status or display information.
3
. Resistors may be added in series with X inputs to provide protection against ESD from the keypad. R = 10k
, 1/4 W .
NOTES:
LS7222
R
R
R
R
See Note 3
7222-012901-4
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相關(guān)代理商/技術(shù)參數(shù)
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