參數(shù)資料
型號(hào): CM8872CSI
英文描述: DTMF Receiver
中文描述: 雙音多頻接收器
文件頁(yè)數(shù): 7/9頁(yè)
文件大?。?/td> 76K
代理商: CM8872CSI
200
1
California Micro Devices Corp. All rights reserved.
1
2
/
18
/2001
7
215 Topaz Street, Milpitas, California 95035
Tel: (408) 263-3214
Fax: (408) 263-7846
www.calmicro.com
CM8870/70C
CALIFORNIA MICRO DEVICES
Figure 1. Single Ended Input Configuration
Functional Diode Table
TOW
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
L
L Logic Low, H = Logic, Z = High Impedance
LOW
697
697
697
770
770
770
852
852
852
941
941
941
697
770
852
941
-
F
HIGH
1209
1336
1477
1209
1336
1477
1209
1336
1477
1336
1209
1477
1633
1633
1633
1633
-
KEY
1
2
3
4
5
6
7
8
9
0
*
#
A
B
C
D
ANY
Q
4
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
Z
Q
3
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
Z
Q
2
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
Z
Q
1
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
Z
Figure 2. Functional Decode Table
IN+
1
2
3
4
5
6
7
8
9
18
17
16
15
14
13
12
11
10
0.1μF
0.1μF
5V
3.58
MHz
100K
100K
300K
V
DD
St/GT
CM8870
IN
GS
ESt
V
REF
INH
StD
Q4
PD
Q3
OSC 1
Q2
OSC 2
Q1
V
SS
TOE
IN+
1
2
3
4
5
6
7
8
9
18
17
16
15
14
13
12
11
10
0.1μF
0.1μF
All resistors are ±1% tolerance.
All capacitors are ±5% tolerance.
5V
3.58
MHz
100K
100K
300K
V
DD
St/GT
CM8870C
IN
GS
ESt
V
REF
INH
StD
Q4
PD
Q3
OSC 1
Q2
OSC 2
Q1
V
SS
TOE
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