Circuits

Microcontroller suits single battery applications.

Equipped with 4 KB Flash memory and 64 bytes In-System programmable EEPROM, ATtiny43U is suitable for portable battery-powered applications. On-chip boost regulator works from battery voltages between 0.7-1.8 V and converts low battery voltage up to 3 V, operating AVR MCU, peripherals, and I/Os. ATtiny43U also features 10-bit ADC, two 8-bit timer counters with PWM outputs, SPI, I2C interface,...

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Integrated SIP Solution suits automotive LIN applications.

Supplied in 5 x 7 mm QFN38 package, ATA6617 combines LIN System Basis Chip (SBC) ATA6624 - LIN transceiver, voltage regulator, watchdog - and AVRÂ-®'s ATtiny167 MCU with 16k flash memory. This lets users create complete LIN (Local Interconnect Network) nodes using one IC. LIN UART with integrated hardware routines simplifies protocol stack handling and limits interrupt generation. Assignment...

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DuPont Microcircuit Materials and CAD Design Software Integrate LTCC Materials and Processes in CDS Ceramic Design Software to Speed Design

Research Triangle Park, N.C. and San Jose, Calif., March 5, 2009- DuPont Microcircuit Materials (MCM), part of DuPont Electronic Technologies, and CAD Design Software have announced the integration of DuPont(TM) GreenTape(TM) low temperature co-fired ceramic (LTCC) materials and manufacturing processes into CAD Design Software's Electronic Design Automation (EDA) design tools for Ceramic...

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SD Card Interface IC keeps card slot-featuring phones slim.

Supplied in 1.2 x 3.5 x 0.5 mm package, EMIF06-mSD02N16 helps minimize dimensional impact of integrating slot for removable memory card in cellular handsets, ultra-mobile PCs, and digital cameras. All necessary EMI filtering, ESD protection, and pull-up resistors are provided on-chip, and support for electrical or mechanical methods of detecting card insertion promotes flexibility for handset...

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MCU ICs suit networked, real-time, and audio applications.

Based on 32-bit ARM Cortex-M3T CPU, STM32 Connectivity Line support simultaneous operation of Ethernet, USB OTG, and CAN2.0B peripherals. Audio capabilities are optimized via PLL scheme, enabling audio-class I2S communications. Along with PWM timer and HMI functions that can also be hosted on MCU, feature set lets developers consolidate multiple functions. Unit can also read, decode, and output...

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Portable Stereo Amplifier provides 2.8 W/channel.

Model TS4999, 2-channel class D stereo audio amplifier IC features 3D audio that creates effect of wide channel separation. Selectable 3D modes allow audio image to be focused behind, above, or below listener. Unit delivers up to 2.8 W/channel into 4 W speaker loads and achieves distortion of 1%, with high power-supply rejection ratio preventing supply noise from entering audio signal. It has 10...

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Ramtron Announces Foundry Agreement with IBM

COLORADO SPRINGS, CO-February 12, 2009 - U.S. semiconductor maker Ramtron International Corporation (Nasdaq: RMTR), the leading developer and supplier of nonvolatile ferroelectric random access memory (F-RAM) and integrated semiconductor products, today announced that it has entered into a foundry services agreement with IBM. The companies plan to install Ramtron's F-RAM semiconductor process...

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ESD Protection Devices offer integrated impedance matching.

Incorporating PicoGuard XS architecture, which integrates inductors with ESD diodes, ExtremeESDÂ-® CM1235 and CM1236 feature 8 channels of ESD protection that meet 8 kV contact discharge requirements of IEC61000-4-2 standard, while also meeting 100 W differential impedance matching requirements of HDMI(TM) 1.3a and DisplayPort(TM) digital video standards. Housed in 16-pin TDFN package,...

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Switching Charger IC targets mobile devices.

Housed in 3 x 3 mm TDFN package, Model AAT3620 operates across 4.3-6.0 V input range and performs charging using 1.5 MHz PWM converter. During constant current and most of constant voltage mode, device delivers up to 2 A. When current dips below 300 mA in CV mode, device automatically switches to low-noise linear mode minimizing noise, EMI, and RFI emission. Li-Ion charger also features...

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