75T204-IP データシートの表示（PDF） - TDK Corporation
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コンポーネント説明
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75T204-IP Datasheet PDF : 9 Pages
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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
tON
Tone Time
tOFF
Pause Time
tD
Detect Time
tR
Release Time
tSU
Data Setup Time
tH
Data Hold Time
Output Enable Time
Output Disable Time
Output Rise Time
Output Fall Time
CONDITIONS
for detection
for rejection
for detection
for rejection
CL = 50pF, RL = 1k½
C = 35pF, R = 500½
L
L
CL = 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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