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Beijing Silk Road Enterprise Management Services Co.,LTD

Beijing Silk Road Enterprise Management Services Co.,LTD

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LS1240A

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16-bit Microcontrollers - MCU

 [2997]

AC/DC Converters

 [1249]

Analog & Digital Crosspoint ICs

 [246]

Analog Comparators

 [2845]

Analog Front End - AFE

 [1018]

Analog Switch ICs

 [3000]

Application Specific Clock/Timing

 [25]

Attenuators

 [1157]

Audio A/D Converter ICs

 [171]

Bipolar RF Transistors

 [1248]

Bipolar Transistors - BJT

 [3000]

Bridge Rectifiers

 [9]

Buffers & Line Drivers

 [3000]

Circular MIL Spec Backshells

 [3000]

Clock Buffer

 [1308]

Diode Arrays

 [3000]

DRAM

 [1494]

High Linearity Optocouplers

 [92]

Hot Swap Voltage Controllers

 [2792]

IGBT Arrays

 [2]

Interface - Specialized

 [3000]

LCD Drivers

 [367]

Multimedia Misc

 [22]

RF Adapters - Between Series

 [342]

RF Bipolar Transistors

 [640]

SCRs

 [2995]

Single Zener Diodes

 [2994]

ARM Microcontrollers - MCU

 [3000]

Audio DSPs

 [755]

Bipolar Transistor Arrays

 [1718]

Circular MIL Spec Contacts

 [106]

Clock Buffers, Drivers

 [2998]

Clock Synthesizer / Jitter Cleaner

 [1220]

Data Acquisition ADCs/DACs - Specialized

 [540]

Ethernet ICs

 [958]

Flash Memory

 [3000]

Flow Sensors

 [522]

IGBT Modules

 [3000]

Instrumentation, OP Amps, Buffer Amps

 [3000]

Inverters

 [3000]

LDO Voltage Regulators

 [2998]

LED Lighting Drivers

 [3000]

MOSFET Output Optocouplers

 [223]

Power Switch ICs - POE / LAN

 [628]

RF Adapters - In Series

 [94]

RF FETs, MOSFETs

 [2991]

RF Front End

 [2700]

RF JFET Transistors

 [622]

RS-485 Interface IC

 [532]

Sample & Hold Amplifiers

 [61]

Single Diodes

 [3000]

Triacs

 [2998]

TVS Diodes / ESD Suppressors

 [3000]

Video ICs

 [3000]

Zener Diode Arrays

 [2198]

32-bit Microcontrollers - MCU

 [2999]

Audio Transmitters, Receivers, Transceivers

 [67]

Bipolar Transistor Arrays, Pre-Biased

 [2229]

CAN Interface IC

 [647]

Circular MIL Spec Strain Reliefs & Adapters

 [542]

Clock Generators, PLLs, Frequency Synthesizers

 [2997]

Current Sense Amplifiers

 [651]

MOSFET

 [2999]

Network Controller & Processor ICs

 [363]

NVRAM

 [205]

Parity Functions

 [30]

Real Time Clock

 [1757]

Rectifiers

 [2999]

RF Adapters - Tee

 [15]

RF MOSFET Transistors

 [1013]

RF Transceiver

 [2457]

SCR Modules

 [217]

Single FETs, MOSFETs

 [2994]

Supervisory Circuits

 [3000]

Switching Controllers

 [3000]

Touch Screen Controllers

 [1014]

Transistor Output Optocouplers

 [3000]

USB Switch ICs

 [1707]

8-bit Microcontrollers - MCU

 [3000]

Analog to Digital Converters - ADC

 [3000]

Audio Amplifiers

 [3000]

Biomedical Sensors

 [26]

Bipolar Transistors - Pre-Biased

 [2397]

Bus Receivers

 [112]

Clock Drivers & Distribution

 [1201]

Communication ICs - Various

 [57]

Delay Lines

 [969]

Digital Bus Switch ICs

 [1050]

EEPROM

 [3000]

High Speed Optocouplers

 [2438]

LDO Voltage Controllers

 [2988]

LED Display Drivers

 [452]

Limiting Amplifiers

 [127]

LIN Transceivers

 [333]

Modulator / Demodulator

 [203]

RF Mixer

 [1767]

Sidacs

 [785]

Varactor Diodes

 [114]

Video Amps and Modules

 [1505]

Audio Sample Rate Converters

 [21]

Delay Lines / Timing Elements

 [497]

Digital Isolators

 [3000]

Digital to Analog Converters - DAC

 [3000]

Diodes - General Purpose, Power, Switching

 [797]

Force Sensors & Load Cells

 [51]

IC Batteries

 [6]

IGBT Transistors

 [1923]

Latches

 [3000]

Linear Voltage Regulators

 [2373]

Memory - FPGA Configuration

 [103]

Motor / Motion / Ignition Controllers & Drivers

 [2998]

Optically Isolated Amplifiers

 [175]

Power Switch ICs - Power Distribution

 [3000]

RF Microcontrollers - MCU

 [356]

RF Receiver

 [995]

RF Transmitter

 [210]

Single, Pre-Biased Bipolar Transistors

 [2998]

Special Purpose Amplifiers

 [1797]

VFD Drivers

 [13]

Differential Amplifiers

 [645]

LVDS Interface IC

 [803]

Memory ICs

 [3000]

Microphone Preamplifiers

 [41]

Phase Detectors / Shifters

 [60]

Programmable Timers and Oscillators

 [2378]

Registers

 [193]

RFID Transponders

 [1216]

Schottky Diodes & Rectifiers

 [3000]

Switching Voltage Regulators

 [3000]

Timers & Support Products

 [954]

Triac & SCR Output Optocouplers

 [858]

Video Switch ICs

 [357]

Voltage References

 [1914]

Voltage to Frequency & Frequency to Voltage

 [88]

Audio D/A Converter ICs

 [974]

Bus Transceivers

 [1766]

Capacitive Touch Sensors

 [540]

Clock Generators & Support Products

 [1918]

Current & Power Monitors & Regulators

 [89]

Darlington Transistors

 [509]

EPROM

 [69]

Logarithmic Amplifiers

 [69]

Logic Output Optocouplers

 [849]

Multiplexer Switch ICs

 [3000]

Real Time Clocks

 [2248]

RF Switch ICs

 [1453]

Sensor Interface

 [596]

Zener Diodes

 [2578]

ADCs/DACs - Special Purpose

 [2845]

Display Interface IC

 [203]

JFET

 [191]

Linear Displacement Sensors

 [197]

Logic Adder & Subtractor

 [21]

Memory Controllers

 [29]

Photodiode Output Optocouplers

 [31]

Power Factor Correction - PFC

 [328]

RF Amplifier

 [3000]

RF Wireless Misc

 [113]

Switch ICs - Various

 [401]

Transconductance Amplifiers

 [24]

High Speed Operational Amplifiers

 [1436]

PCI Interface IC

 [680]

Phase Locked Loops - PLL

 [916]

Proximity Sensors

 [1189]

RF Bias Tees

 [36]

Security ICs / Authentication ICs

 [135]

Serial to Parallel Logic Converters

 [75]

Bus Transmitters

 [44]

Current Sensors

 [2688]

F-RAM

 [193]

Operational Amplifiers - Op Amps

 [3000]

Power Management Specialized - PMIC

 [1754]

RF Couplers

 [427]

Serializers & Deserializers - Serdes

 [1002]

DC Blocks

 [8]

Digital Potentiometers

 [25]

I/O Controller Interface IC

 [415]

Logic Comparators

 [137]

SRAM

 [2709]

Transimpedance Amplifiers

 [82]

Wireless Charging ICs

 [130]

Instrumentation Amplifiers

 [1197]

Prescaler

 [110]

RF Equalizers

 [69]

RS-232 Interface IC

 [2496]

Specialty Function Logic

 [122]

Counter Shift Registers

 [1679]

Frequency Multipliers

 [80]

Precision Amplifiers

 [2741]

Telecom Interface ICs

 [1284]

Application Specific Microcontrollers

 [2294]

Interface - CODECs

 [1102]

Logic Gates

 [3000]

RF Limiters

 [21]

Tuners

 [152]

Video Amplifiers

 [1003]

CPLDs (Complex Programmable Logic Devices)

 [3000]

Gas Sensor

 [2]

I&Q and QPSK Modulators / Demodulators

 [21]

Isolation Amplifiers

 [75]

RS-422 Interface IC

 [314]

Translation - Voltage Levels

 [2309]

DSP (Digital Signal Processors)

 [3000]

Encoders, Decoders, Multiplexers & Demultiplexers

 [3000]

RF Phase Detectors

 [10]

Sensor Hardware & Accessories

 [1]

UART Interface IC

 [543]

Up-Down Converters

 [230]

FPGAs (Field Programmable Gate Array)

 [3000]

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors

 [426]

Interface - I/O Expanders

 [1217]

Monostable Multivibrator

 [306]

RF Detector

 [225]

RF Phase Shifters

 [13]

FPGAs (Field Programmable Gate Array) with Microcontrollers

 [71]

Magnetic Grate

 [1]

RF Power Splitters/Dividers/Combiners

 [753]

RS-422/RS-485 Interface IC

 [1887]

Thermal Cutoffs

 [29]

Universal Bus Functions

 [845]

Flip Flops

 [2202]

Microcontrollers

 [3000]

USB Interface IC

 [2044]

Interface - Signal Buffers, Repeaters

 [1016]

Microcontrollers, Microprocessor, FPGA Modules

 [719]

Multipliers / Dividers

 [171]

Drivers, Receivers, Transceivers IC

 [3000]

Microprocessors

 [25]

Resettable Fuses - PPTC

 [2013]

PLDs (Programmable Logic Device)

 [617]

Varistors

 [3000]

System On Chip (SoC)

 [3000]

Analog Switches - Special Purpose

 [2274]

Surge Suppressors

 [389]

Analog Switches, Multiplexers, Demultiplexers

 [25]

CODECS

 [1307]

Headers & Wire Housings

 [2996]

Automotive Connectors

 [2999]

Controllers

 [3000]

Direct Digital Synthesis (DDS)

 [109]

I/O Connectors

 [2788]

Drivers, Receivers, Transceivers

 [25]

Encoders, Decoders, Converters

 [435]

Board to Board & Mezzanine Connectors

 [3000]

Filters - Active

 [844]

I/O Expanders

 [950]

Modems - ICs and Modules

 [255]

Modules

 [97]

Solar Connectors / Photovoltaic Connectors

 [149]

Sensor and Detector Interfaces

 [1015]

Sensor, Capacitive Touch

 [492]

Serializers, Deserializers

 [1087]

Signal Buffers, Repeaters, Splitters

 [1233]

Signal Terminators

 [252]

Modular Connectors / Ethernet Connectors

 [2271]

Specialized

 [25]

Telecom

 [3000]

USB Connectors

 [650]

Terminal Blocks

 [4]

UARTs (Universal Asynchronous Receiver Transmitter

 [1052]

Current Regulation - Diodes, Transistors

 [1001]

Voice Record and Playback

 [530]

Analog Multipliers, Dividers

 [170]

Power Driver Modules

 [56]

Comparators

 [343]

Video Processing

 [2558]

Buffers, Drivers, Receivers, Transceivers

 [2997]

Color Sensors

 [15]

Color Sensors - Industrial

 [17]

Counters, Dividers

 [2837]

FIFOs Memory

 [3000]

Float, Level Sensors

 [908]

Gates and Inverters

 [2999]

Float, Level Sensors - Industrial

 [309]

Gates and Inverters - Multi-Function, Configurable

 [1102]

Flow Sensors - Industrial

 [138]

Multivibrators

 [565]

Force Sensors

 [111]

Parity Generators and Checkers

 [154]

Force Sensors - Industrial

 [329]

Shift Registers

 [2210]

Gas Sensors

 [531]

Signal Switches, Multiplexers, Decoders

 [25]

Humidity, Moisture Sensors

 [523]

Specialty Logic

 [1378]

IrDA Transceiver Modules

 [81]

Translators, Level Shifters

 [2725]

LVDT Transducers (Linear Variable Differential Transformer)

 [94]

Batteries

 [12]

Configuration PROMs for FPGAs

 [598]

Multifunction

 [403]

AC DC Converters, Offline Switches

 [2994]

Battery Chargers

 [3000]

Particle, Dust Sensors

 [24]

Battery Management

 [2998]

Current Regulation/Management

 [1340]

DC DC Switching Controllers

 [2999]

Pressure Sensors, Transducers - Industrial

 [294]

Display Drivers

 [1036]

Energy Metering

 [476]

Proximity Sensors - Industrial

 [2694]

Full Half-Bridge Drivers

 [905]

Proximity/Occupancy Sensors Finished Units

 [417]

Gate Drivers

 [2998]

Sensor Cable Accessories

 [2732]

Hot Swap Controllers

 [2315]

Sensor Cable Assemblies

 [516]

Laser Drivers

 [555]

Sensor Interface Junction Blocks

 [1869]

LED Drivers

 [25]

Lighting, Ballast Controllers

 [432]

Sensor, Transducer Amplifiers

 [1102]

Motor Drivers, Controllers

 [25]

Shock Sensors

 [56]

OR Controllers, Ideal Diodes

 [550]

Solar Cells

 [394]

PFC (Power Factor Correction)

 [865]

Specialized Sensors

 [730]

Power Distribution Switches, Load Drivers

 [25]

Strain Gauges

 [370]

Power Management - Specialized

 [26]

Power Over Ethernet (PoE) Controllers

 [737]

Touch Sensors

 [61]

Power Supply Controllers, Monitors

 [2006]

Ultrasonic Receivers, Transmitters

 [1644]

RMS to DC Converters

 [158]

Ultrasonic Receivers, Transmitters - Industrial

 [45]

Audio Special Purpose

 [1494]

Special Purpose Regulators

 [25]

Supervisors

 [3000]

Thermal Management

 [471]

V/F and F/V Converters

 [135]

Voltage Reference

 [25]

Voltage Regulators - DC DC Switching Regulators

 [3000]

Voltage Regulators - Linear

 [2987]

Memory

 [3000]

Voltage Regulators - Linear + Switching

 [1336]

Voltage Regulators - Linear Regulator Controllers

 [362]

HDMI, Displayport & DVI Connectors

 [208]

Specialized ICs

 [25]

XLR Connectors

 [40]

Balun

 [745]

Heavy Duty Power Connectors

 [3000]

Power to the Board

 [289]

RF Accessories

 [1178]

DIN 41612 Connectors

 [2209]

RF Amplifiers

 [2495]

High Speed / Modular Connectors

 [2993]

RF Antennas

 [2968]

Hard Metric Connectors

 [1255]

RF Circulators and Isolators

 [1875]

PC / 104 Connectors

 [47]

RF Demodulators

 [174]

RF Connectors / Coaxial Connectors

 [2992]

RF Detectors

 [316]

RF Directional Coupler

 [1113]

RF Front End (LNA + PA)

 [257]

RF Terminators

 [65]

RF Cable Assemblies

 [756]

RF Misc ICs and Modules

 [2283]

PCI Express / PCI Connectors

 [2885]

RF Mixers

 [1417]

RF Modulators

 [164]

D-Sub Mixed Contact Connectors

 [238]

RF Multiplexers

 [435]

D-Sub Backshells

 [741]

RF Power Controller ICs

 [22]

D-Sub High Density Connectors

 [332]

RF Power Dividers/Splitters

 [530]

D-Sub Standard Connectors

 [3000]

RF Receiver, Transmitter, and Transceiver Finished Units

 [1936]

D-Sub Tools & Hardware

 [482]

RF Receivers

 [1389]

Memory Card Connectors

 [633]

RF Shields

 [2544]

Rectangular MIL Spec Connectors

 [337]

FFC & FPC Connectors

 [3000]

RF Transceiver ICs

 [3000]

MEMS Microphones

 [48]

Microphones

 [69]

RF Transmitters

 [505]

Light to Digital Converters

 [279]

Image Sensors

 [6]

RFI and EMI - Shielding and Absorbing Materials

 [2976]

Board Mount Pressure Sensors

 [1815]

RFID Accessories

 [179]

Industrial Pressure Sensors

 [5]

RFID Antennas

 [214]

Board Mount Current Sensors

 [371]

RFID Reader Modules

 [197]

Industrial Current Sensors

 [1586]

RFID Transponders, Tags

 [443]

Board Mount Hall Effect / Magnetic Sensors

 [1633]

RFID, RF Access, Monitoring ICs

 [629]

Industrial Humidity Sensors

 [2]

Subscriber Identification Module (SIM) Cards

 [61]

semiconductors-Integrated Circuits - ICs

 [2990]

Smoke Detectors

 [69]

Board Mount Humidity Sensors

 [357]

Accelerometers

 [1479]

IMUs - Inertial Measurement Units

 [362]

Speed Sensors

 [22]

Board Mount Motion & Position Sensors

 [429]

Inclinometers

 [149]

Ballasts, Inverters

 [227]

Gyroscopes

 [209]

Industrial Motion & Position Sensors

 [15]

Distance Sensors

 [1]

Board Mount Temperature Sensors

 [2274]

Cold Cathode Fluorescent (CCFL) & UV Lamps

 [154]

Color LED Lighting

 [2991]

Industrial Temperature Sensors

 [47]

Display Backlights

 [83]

Display Bezels, Lenses

 [83]

Display, Monitor - LCD Driver/Controller

 [66]

Discrete Semiconductor Modules

 [728]

Electroluminescent

 [95]

CPLD - Complex Programmable Logic Devices

 [1389]

Fiber Optic Attenuators

 [232]

Fiber Optic Receivers

 [160]

FPGA - Configuration Memory

 [81]

Fiber Optic Switches, Multiplexers, Demultiplexers

 [258]

Processors - Application Specialized

 [475]

Fiber Optic Transceiver Modules

 [2937]

FPGA - Field Programmable Gate Array

 [3000]

Fiber Optic Transmitters - Discrete

 [108]

Digital Signal Processors & Controllers - DSP, DSC

 [2998]

Fiber Optic Transmitters - Drive Circuitry Integrated

 [3000]

HeNe Laser Heads

 [27]

HeNe Laser System Accessories

 [11]

Microprocessors - MPU

 [1240]

HeNe Laser Systems

 [31]

Systems on a Chip - SoC

 [2149]

Incandescent, Neon Lamps

 [636]

Active Filter

 [507]

Laser Diode, Module Accessories

 [36]

Laser Diodes, Laser Modules - Laser Delivery, Laser Fibers

 [21]

Laser Diodes, Modules

 [541]

Digital Potentiometer ICs

 [2854]

LCD, OLED Character and Numeric

 [1489]

LCD, OLED, Graphic

 [2999]

LED Addressable, Specialty

 [390]

LED Dot Matrix and Cluster

 [259]

LED Emitters - Infrared, UV, Visible

 [2992]

LED Indication - Discrete

 [2998]

Equalizers

 [226]

LED Lighting Kits

 [54]

LED Thermal Products

 [366]

Counter ICs

 [969]

Lighting Fixtures

 [27]

Optomechanical

 [417]

PIN Diodes

 [682]

Panel Indicators, Pilot Lights

 [3000]

Reflectors

 [206]

Remote Phosphor Light Source

 [179]

RF System on a Chip - SoC

 [613]

Spacers, Standoffs

 [1343]

Inrush Current Limiters

 [305]

Touch Screen Overlays

 [133]

PTC Thermistors

 [1866]

Vacuum Fluorescent (VFD)

 [137]

NTC Thermistors

 [3000]

White LED Lighting

 [3000]

Fuse Holder Accessories

 [564]

Xenon Lighting

 [122]

Surface Mount Fuses

 [1468]

Specialty Fuses

 [1489]

High speed fuses

 [81]

Cartridge Fuses

 [82]

RF Diodes

 [2762]

Variable Capacitance (Varicaps, Varactors)

 [769]

DIACs, SIDACs

 [287]

SCRs - Modules

 [2810]

JFETs

 [901]

Programmable Unijunction

 [29]

Special Purpose

 [181]

Compass, Magnetic Field (Modules)

 [27]

Linear, Compass (ICs)

 [980]

Position, Proximity, Speed (Modules) - Industrial

 [460]

Switches (Solid State)

 [3000]

Multi Purpose Magnets

 [1577]

Sensor Matched Magnets

 [85]

Optical Motion Sensors

 [573]

Tilt Switches

 [35]

Vibration Sensors

 [199]

Ambient Light, IR, UV Sensors

 [378]

Camera Modules

 [544]

Distance Measuring

 [215]

Image Sensors, Camera

 [745]

Photo Detectors - CdS Cells

 [70]

Photo Detectors - Logic Output

 [76]

Photo Detectors - Remote Receiver

 [840]

Photodiodes

 [769]

Photoelectric, Industrial

 [2997]

Photointerrupters - Slot Type - Logic Output

 [528]

Photointerrupters - Slot Type - Transistor Output

 [603]

Photonics - Counters, Detectors, SPCM (Single Photon Counting Module)

 [26]

Phototransistors

 [542]

Reflective - Analog Output

 [310]

Reflective - Logic Output

 [141]

Analog and Digital Output

 [2993]

Analog and Digital Output - Industrial

 [171]

RTD (Resistance Temperature Detector)

 [1016]

Thermocouples, Temperature Probes

 [1087]

Thermostats - Mechanical

 [883]

Thermostats - Mechanical - Industrial

 [789]

Thermostats - Solid State

 [1013]
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Beijing Silk Road Enterprise Management Services Co.,LTD
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LS1240A
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Category :Integrated Circuits (ICs) Interface Telecom
Function :Tone Ringer
Product Status :Obsolete
Mounting Type :Through Hole
Package :Tube
Series :-
Supplier Device Package :8-Mini DIP
Mfr :STMicroelectronics
Operating Temperature :-40°C ~ 70°C
Current - Supply :30mA
Voltage - Supply :26V
Package / Case :8-DIP (0.300", 7.62mm)
Interface :-
Number of Circuits :1
Base Product Number :LS1240
Description :IC TELECOM INTERFACE 8MINI DIP
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Telecom IC Tone Ringer 8-Mini DIP
Product Tags:

LM224D

lr44 a76

LM211
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