參數(shù)資料
型號： MT3271BE
廠商： Mitel Networks Corporation
英文描述： Wide Dynamic Range DTMF Receiver
中文描述： 寬動態(tài)范圍的DTMF接收器
文件頁數(shù)： 5/15頁
文件大?。?/td> 485K
代理商： MT3271BE
MT3170B/71B, MT3270B/71B, MT3370B/71B
Data Sheet
5
Zarlink Semiconductor Inc.
0= LOGIC LOW, 1= LOGIC HIGH
Table 1 - Serial Decode Bit Table
Note:
b0=LSB of decoded DTMF digit and shifted out first.
Powerdown Mode (MT317xB/337xB)
The MT317xB/337xB devices offer a powerdown function to preserve power consumption when the device is not in
use. A logic high can be applied at the PWDN pin to place the device in powerdown mode. The ACK pin should be
kept at logic low to avoid undefined ESt/DStD and SD outputs (see Table 2).
Table 2 - Powerdown Mode
+
=enters powerdown mode on the rising edge.
Table 3 - Call Progress Tones
852
1336
8
1
0
0
0
852
1477
9
1
0
0
1
941
1336
0
1
0
1
0
941
1209
*
1
0
1
1
941
1477
#
1
1
0
0
697
1633
A
1
1
0
1
770
1633
B
1
1
1
0
852
1633
C
1
1
1
1
941
1633
D
0
0
0
0
ACK (input)
PWDN (input)
ESt/DStD (output)
SD (output)
MT317xB/337xB
status
low
low
Refer to Fig. 4 for
timing waveforms
low
low
undefined
Refer to Fig. 4 for
timing waveforms
low
undefined
undefined
normal operation
low
high
high
high
+
low
high
powerdown mode
undefined
undefined
Frequency 1 (Hz)
Frequency 2 (Hz)
On/Off
Description
350
425
400
480
440
480
440
480
440
---
---
620
---
620
480
620
continuous
continuous
continuous
0.5s/0.5s
0.5s/0.5s
0.25s/0.25s
2.0s/4.0s
0.25s/0.25s
North American Dial Tones
European Dial Tones
Far East Dial Tones
North American Line Busy
Japanese Line Busy
North American Reorder Tones
North American Audible Ringing
North American Reorder Tones
F
LOW
F
HIGH
DIGIT
b
3
b
2
b
1
b
0
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MT3271BE1 制造商:Microsemi Corporation 功能描述:DTMF RX 4.19MHZ 5V 8PDIP - Rail/Tube 制造商:Microsemi Corporation 功能描述:PB FREE DTMF RX. 2 PIN OSC.DST.4.19MHZ 制造商:Zarlink Semiconductor Inc 功能描述:DTMF RX 4.19MHZ 5V 8PDIP - Rail/Tube 制造商:Zarlink Semiconductor Inc 功能描述:PB FREE DTMF RX. 2 PIN OSC.DST.4.19MHZ
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MT328048 功能描述:通用繼電器 3PDT 10A 48VAC POWER MULTIMODE RELAY RoHS:否 制造商:Omron Electronics 觸點形式:1 Form A (SPST-NO) 觸點電流額定值:150 A 線圈電壓:24 VDC 線圈電阻:144 Ohms 線圈電流:167 mA 切換電壓:400 V 安裝風(fēng)格:Chassis 觸點材料:
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