參數(shù)資料
型號(hào)： EM91420D
廠商： ELAN Microelctronics Corp .
英文描述： Oscillator; Frequency:1MHz; Frequency Tolerance:+/- 100 ppm; Load Capacitance:50pF; Crystal Terminals:PCB Thru Hole; Supply Voltage:5V; Mounting Type:Through Hole; Number of Pins:4
中文描述： 音頻/脈沖開關(guān)的撥號(hào)器與LCD接口及雙音的旋律發(fā)電機(jī)
文件頁數(shù)： 14/24頁
文件大小： 175K
代理商： EM91420D
EM91420 SERIES
TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE
AND DUAL-TONE MELODY GENERATOR
14
* This specification are subject to be changed without notice.
10.1.1997
TIMING DIAGRAM
Figure 1. Pulse mode operating timing
Figure 2. DTMF mode operating timing
HKS
KEY IN
KT
XMUTE
HDO
SDO
PO
DTMF
OSC.
Tdb
Tkt
2
3
Tm
Tidp
T
b
T
m
T
b
T
m
Tidp
Tdly
Hi-impedance
HKS
KEY IN
KT
XMUTE
HDO
SDO
PO
DTMF
OSC.
Tdb
2
3
Td
Titp
Titp
Hi-impedance
相關(guān)PDF資料
PDF描述
EM91420 Tone/Pulse Switchable Dialer with LCD Interface and Dual-Tone Melody Generator(0.15mA（脈沖）/0.3mA（音調(diào)）工作電流的音調(diào)/脈沖可轉(zhuǎn)換的撥號(hào)器（帶LCD接口和雙音旋律發(fā)生器）)
EM91421 Tone/Pulse Switchable Dialer with LCD Interface and Dual-Tone Melody Generator(0.15mA（脈沖）/0.3mA（音調(diào)）工作電流的音調(diào)/脈沖可轉(zhuǎn)換的撥號(hào)器（帶LCD接口和雙音旋律發(fā)生器）)
EM91440BP TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE AND DUAL-TONE MELODY GENERATOR
EM91440DK TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE AND DUAL-TONE MELODY GENERATOR
EM91440A TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE AND DUAL-TONE MELODY GENERATOR
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
EM91420DK 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE AND DUAL-TONE MELODY GENERATOR
EM91440 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE AND DUAL-TONE MELODY GENERATOR
EM91440A 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE AND DUAL-TONE MELODY GENERATOR
EM91440A/B/C/D 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:Telephone Dialer Multi-Function Dialer
EM91440AP 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE AND DUAL-TONE MELODY GENERATOR
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