參數(shù)資料
型號： 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/脈沖開關的撥號器與LCD接口及雙音的旋律發(fā)電機
文件頁數(shù)： 11/24頁
文件大小： 175K
代理商： EM91420D
EM91420 SERIES
TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE
AND DUAL-TONE MELODY GENERATOR
11
* This specification are subject to be changed without notice.
10.1.1997
phone handset to prevent that the dialing signal (DTMF) is coupling by the Microphone of the phone handset.
(such as pocket dialer)
i.
ii. In idle state, turn on handfree function.
iii. The flash operation ( F key ).
In idle state, HKS is from “High” to “Low” (pick up handset action).
ABSOLUTE MAXIMUM RATINGS
(Ambient temperature is 25
°
C, all voltages referenced to V
SS
)
Items
Sym.
Rating
Unit
Power supply voltage
Input voltage range
Operating temperature
Storage temperature
Power consumption
V
DD
V
IN
T
OPR
T
STO
P
D
6.0 Vdc
V
V
°
C
°
C
mW
V
SS
-0.3V ~ V
DD
+0.3V
0 ~ +50
-55 ~ 125
500
ELECTRICAL CHARACTERISTICS
(Ambient temperature is 25
°
C, V
DD
=2.5V unless otherwise noted, all voltages referenced to V
SS
, Fosc=3.579545 MHz)
Parameter
Sym.
Operating voltage
Pulse
Tone
Operating current(HKS=0)
Pulse
Idd
Tone
Pulse
Tone
Memory retention current
Imrt
Standby current
HKS=1
Istby
HKS=0
HKS=1
HKS=0
HKS, HFI & DRING
ViH
pins: input voltage
ViL
HFO & HDO pins source current
IoH
PO, HFO, XMUTE, RMUTE
IoL
& SDO pins: sink current
PO, XMUTE, RMUTE and SDO
IoH
pins: leakage current
HFI pin input resistance
Rhfi
DRING pin input resistance
Rdring
Keyboard scanning pins
IoH
output current (except COL4/KT)
IoL
COL4/KTsource current
IoH
sink current
IoL
Min.
2.0
2.0
-
-
-
-
-
-
-
Typ.
-
-
0.15
0.3
0.15
0.3
0.001
0.001
1
-0.001
10
-
-
-
-
Max. Unit
5.5
5.5
0.3
0.5
0.3
0.5
0.1
0.1
10
0.1
30
Vdd
0.2Vdd
-
-
Condition
unload
V
unload
mA
with pull up/down
resistor * 8
HKS=1,Vdd=1V
unload
uA
uA
with pull up/down
resistor * 8
-
0.8Vdd
Vss
0.2
-0.2
V
mA
mA
Vo = 2.0 V
Vo = 0.5 V
-
-
±
0.001 uA
Vo = Vdd
-
-
2
200
100
10
400
-
-
-
-
K
K
uA
V
mA
Vhfi = Vss
Vdeing=Vss
Vksn=Vss
ksn=Vdd
Vo=2.0V
Vo=0.5V
50
800
-
-
200
0.2
0.2
相關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
相關代理商/技術參數(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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