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Номер в каталоге
Компоненты Описание
75T204-IL Просмотр технического описания (PDF) - TDK Corporation
Номер в каталоге
Компоненты Описание
производитель
75T204-IL
5V Low-Power Subscriber DTMF Receiver
TDK Corporation
75T204-IL Datasheet PDF : 9 Pages
1
2
3
4
5
6
7
8
9
DETECTION FREQUENCY
Low Group f
0
Row 0 = 697 Hz
Row 1 = 770 Hz
Row 2 = 852 Hz
Row 3 = 941 Hz
75T204
5V Low-Power Subscriber
DTMF Receiver
High Group f
0
Column 0 = 1209 Hz
Column 1 = 1336 Hz
Column 2 = 1477 Hz
Column 3 = 1633 Hz
75T204 TIMING
(Refer to Figure 4.)
PARAMETER
t
ON
Tone Time
t
OFF
Pause Time
t
D
Detect Time
t
R
Release Time
t
SU
Data Setup Time
t
H
Data Hold Time
Output Enable Time
Output Disable Time
Output Rise Time
Output Fall Time
CONDITIONS
for detection
for rejection
for detection
for rejection
C
L
= 50pF, R
L
= 1k½
C = 35pF, R = 500½
L
L
C
L
= 50pF
C = 50pF
L
MIN NOM MAX UNITS
40
-
-
ms
-
-
20
ms
40
-
-
ms
-
-
20
ms
25
-
46
ms
35
-
50
ms
7
-
-
µs
4.2
-
5.0
ms
-
-
200
ns
-
-
200
ns
-
-
200
ns
-
-
200
ns
5
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