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FX641D2

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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FX641D2 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active零件包装代码：SOIC
包装说明：PLASTIC, SOIC-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-PDSO-G24JESD-609代码：e3
长度：15.4 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：SOP封装等效代码：SOP24,.4
封装形状：RECTANGULAR封装形式：SMALL OUTLINE
峰值回流温度（摄氏度）：260电源：5 V
认证状态：Not Qualified座面最大高度：2.65 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：YES
技术：CMOS电信集成电路类型：TONE DECODER CIRCUIT
温度等级：INDUSTRIAL端子面层：Matte Tin (Sn)
端子形式：GULL WING端子节距：1.27 mm
端子位置：DUAL处于峰值回流温度下的最长时间：40
宽度：7.5 mmBase Number Matches：1

FX641D2 数据手册

 浏览型号FX641D2的Datasheet PDF文件第2页浏览型号FX641D2的Datasheet PDF文件第3页浏览型号FX641D2的Datasheet PDF文件第4页浏览型号FX641D2的Datasheet PDF文件第5页浏览型号FX641D2的Datasheet PDF文件第6页浏览型号FX641D2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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