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EM91440A/B/C/D 参数 Datasheet PDF下载

EM91440A/B/C/D图片预览
型号: EM91440A/B/C/D
PDF下载: 下载PDF文件 查看货源
内容描述: 电话拨号器多功能拨号器\n [Telephone Dialer Multi-Function Dialer ]
分类和应用: 电话拨号器
文件页数/大小: 24 页 / 166 K
品牌: ELAN [ ELAN MICROELECTRONICS CORP ]
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EM91440 SERIES  
TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE  
AND DUAL-TONE MELODY GENERATOR  
Toff  
RING  
DRING  
HKS  
Ton  
RMUTE  
Figure 11. Timing of receiving an incoming call  
* The external ring detection circuit must send a low signal at the total ring cycle (Ton and Toff)  
RING  
DRING  
HKS  
RMUTE  
Figure 12. Timing of making an outgoing call  
10.1.1997  
* This specification are subject to be changed without notice.  
18  
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