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FX641P4

更新时间： 2024-11-17 22:48:55
品牌 Logo 应用领域
CMLMICRO 电信集成电路电信信令电路电信电路光电二极管
页数 文件大小 规格书
13页 130K
描述
Dual Subscriber Private Metering (SPM) Detector

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中文翻译

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FX641P4 技术参数

生命周期：Active零件包装代码：DIP
包装说明：PLASTIC, DIP-24针数：24
Reach Compliance Code：compliantHTS代码：8542.39.00.01
风险等级：5.73Is Samacsys：N
JESD-30 代码：R-PDIP-T24长度：31.37 mm
功能数量：1端子数量：24
最高工作温度：85 °C最低工作温度：-40 °C
封装主体材料：PLASTIC/EPOXY封装代码：DIP
封装等效代码：DIP24,.6封装形状：RECTANGULAR
封装形式：IN-LINE电源：5 V
认证状态：Not Qualified座面最大高度：5.59 mm
子类别：Telecom Signaling Circuits最大压摆率：5 mA
标称供电电压：5 V表面贴装：NO
技术：CMOS电信集成电路类型：TONE DECODER CIRCUIT
温度等级：INDUSTRIAL端子形式：THROUGH-HOLE
端子节距：2.54 mm端子位置：DUAL
宽度：15.24 mmBase Number Matches：1

FX641P4 数据手册

 浏览型号FX641P4的Datasheet PDF文件第2页浏览型号FX641P4的Datasheet PDF文件第3页浏览型号FX641P4的Datasheet PDF文件第4页浏览型号FX641P4的Datasheet PDF文件第5页浏览型号FX641P4的Datasheet PDF文件第6页浏览型号FX641P4的Datasheet PDF文件第7页 
CML Semiconductor Products  
PRODUCT INFORMATION  
Dual Subscriber Private  
Metering (SPM) Detector  
FX641  
Publication D/641/4 February 2001  
Provisional Issue  
Features  
Two (12kHz/16kHz) SPM  
Detectors on a Single Chip  
Selectable Tone Follower or  
Packet Mode Outputs  
Detects 12kHz and 16kHz SPM  
Frequencies  
High Speech-Band Rejection  
Properties  
Xtal Accuracy; Stable Frequency  
Limits  
“Output Enable” Multiplexing  
Facility  
“Controlled” (µC) and “Fixed”  
Signal Sensitivity Modes  
Call-Charge Applications on  
PABX Line Cards  
VDD  
CLOCK OUT  
CLOCK IN  
XTAL/CLOCK  
VBIAS  
XTAL/CLOCK  
BUFFER  
CLOCK  
DIVIDERS  
INTERNAL  
CLOCKS  
GENERATOR  
VSS  
XTAL  
12kHz/16kHz  
SYSTEM  
TONE FOLLOWER  
Ch 1 AMP OUT  
Ch1 AMP IN (-)  
Ch  
1
MODE  
Ch 1  
OUTPUT  
COMPARATOR  
-
-
PULSE  
GENERATOR  
AND  
PULSE  
MEASUREMENT  
LOGIC  
Ch 1  
BANDPASS  
FILTER  
PULSE  
LENGTH  
LOGIC  
OUTPUT  
SELECT  
CIRCUITS  
+
+
DIVIDER  
Ch1 AMP IN (+)  
Ch  
1
PACKET  
MODE  
INPUT  
INTERNAL  
COMPARATOR  
THRESHOLD  
AMPLIFIER  
GAIN  
ADJUST  
CHANNEL 1  
PRESET LEVEL  
CHIP SELECT  
OUTPUT  
ENABLE  
12kHz/16kHz  
SYSTEM  
SERIAL  
DATA  
FX641  
12kHz/16kHz  
SYSTEM  
SERIAL  
INPUT  
LOGIC  
LEVEL/  
SYSTEM  
SETTING  
OUTPUT  
SELECT  
SERIAL  
CLOCK  
SYSTEM SELECT  
INTERNAL  
COMPARATOR  
THRESHOLD  
Ch  
2
GAIN  
ADJUST  
CHANNEL 2  
INPUT  
PACKET  
MODE  
AMPLIFIER  
-
Ch2 AMP IN (-)  
+
-
PULSE  
GENERATOR  
AND  
PULSE  
MEASUREMENT  
LOGIC  
Ch 2  
BANDPASS  
FILTER  
PULSE  
LENGTH  
LOGIC  
OUTPUT  
SELECT  
CIRCUITS  
+
DIVIDER  
Ch2 AMP IN (+)  
Ch 2 AMP OUT  
Ch 2  
OUTPUT  
Ch  
2
COMPARATOR  
TONE FOLLOWER  
MODE  
Fig.1 Functional Block Diagram  
Brief Description  
The FX641 is a low-power, system-selectable Dual  
Subscriber Private Metering (SPM) Detector -two  
detectors on a single chip- to indicate the presence,  
on a telephone line, of either 12kHz or 16kHz  
telephone call-charge frequencies.  
The digital output is pin-selectable to one of three  
modes:  
(1) Tone Follower mode -a logic level for the period of  
a correct decode.  
(2) Packet mode -respond/de-respond after a  
cumulative period of tone or notone in a preset  
period.  
(3) High-impedance output -for device multiplexing.  
For non-µProcessor systems a preset sensitivity/system  
input allows external channel level and system setting.  
This device, which is suitable for PBX and PABX  
line-card and remote telephone installations, is available  
in compact 24-pin plastic DIL and small outline (S.O.I.C.)  
packages.  
Under µProcessor control via a common serial  
interface, each channel of the FX641 will detect  
call-charge pulses from a telephone line and provide a  
digital output for recording, billing or security  
purposes.  
A common set of external components and a stable  
3.579545MHz Xtal/clock input ensures that the FX641  
adheres accurately to most national “Must and Must-  
Not” decode band-edges and threshold levels.  
The FX641 requires approximately 4.5mA at 5-volts.  
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