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emc
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| Part No. |
EM91450CP
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| OCR Text |
...one output . Normally, this pin stays "Low" level for detecting keyboard entry. After a valid keyboard entry, this pin will output keying confirmation tone that is 600 Hz signal and 30 ms duration. To prevent signal interference, while DTMF... |
| Description |
Telephone Dialer From old datasheet system
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| File Size |
216.27K /
24 Page |
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it Online |
Download Datasheet
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Elan Microelectronics, Corp.
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| Part No. |
EM91420
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| OCR Text |
...one output . normally, this pin stays low level for detecting keyboard entry. after a valid keyboard entry, this pin will output keying confirmation tone that is 600 hz signal and 30 ms duration. to prevent signal interference, while dtmf i... |
| Description |
Tone/Pulse Switchable Dialer with LCD Interface and Dual-Tone Melody Generator(0.15mA(脉冲)/0.3mA(音调)工作电流的音脉冲可转换的拨号器(带LCD接口和双音旋律发生器 音频/脉冲切换拨号器与LCD接口和双音旋律发生器.15毫安(脉冲)/0.3毫安(音调)工作电流的音脉冲可转换的拨号器(带液晶显示接口和双音旋律发生器)
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| File Size |
167.83K /
24 Page |
View
it Online |
Download Datasheet
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Price and Availability
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