參數(shù)資料
型號(hào): 75T204-IL
廠商: Electronic Theatre Controls, Inc.
英文描述: 5V Low-Power Subscriber DTMF Receiver
中文描述: 5V的低功耗用戶的DTMF接收器
文件頁(yè)數(shù): 5/9頁(yè)
文件大小: 63K
代理商: 75T204-IL
75T204
5V Low-Power Subscriber
DTMF Receiver
5
DETECTION FREQUENCY
Low Group f
0
Row 0 = 697 Hz
High Group f
0
Column 0 = 1209 Hz
Row 1 = 770 Hz
Column 1 = 1336 Hz
Row 2 = 852 Hz
Row 3 = 941 Hz
Column 2 = 1477 Hz
Column 3 = 1633 Hz
75T204 TIMING
(Refer to Figure 4.)
PARAMETER
t
ON
CONDITIONS
for detection
MIN
40
NOM
-
MAX
-
UNITS
ms
Tone Time
for rejection
-
-
20
ms
for detection
for rejection
40
-
-
-
-
ms
ms
t
OFF
Pause Time
20
t
D
Detect Time
25
-
46
ms
t
R
t
SU
Release Time
Data Setup Time
35
7
-
-
50
-
ms
μs
t
H
Data Hold Time
4.2
-
5.0
ms
Output Enable Time
C
L
= 50pF, R
L
= 1k
-
-
200
ns
Output Disable Time
C
L
= 35pF, R
L
= 500
C
L
= 50pF
-
-
200
ns
Output Rise Time
-
-
200
ns
Output Fall Time
C
L
= 50pF
-
-
200
ns
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