Exar

Software

DC/DC Controller drives LED currents up to 3 A.

Housed in 6-pin TSOT package, 1.2 MHz Model SP7601 delivers input voltage range up to 30 V and is capable of supporting 24 Vdc and 12 Vdc rails most commonly found in architectural and general LED lighting systems. Step-down regulator controller has 0.2 V feedback, which eliminates excessive heating. Device supports PWM dimming and color mixing by allowing for PWM control up to 1 kHz with duty...

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Display Drivers operate LED flash and backlight.

Models SP7682 and SP7682A drivers feature 500 mA channel supporting high-brightness LED flash combined with 4-channel backlight functionality in 16-pin 3 x 3 mm QFN package. Operating at 3.4 MHz switching frequency, they require 4 small capacitors and include programmable flash time out protection feature. Each backlight LED channel is programmed in 0.5 mA resolution up to 31 mA and flash LED...

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Agricultural & Farming Products

Ethernet MAC provides network traffic management.

Model XRT95L524 24-port, 10/100 and 10/100/1000 Ethernet MAC offers traffic management features for metro access service cards, enterprise core switches, and metro Ethernet boxes. Offering non-blocking wire speed performance, it supports bandwidth of 4 Gbps over SPI-3 interface. It also supports 20x Fast Ethernet and 2 Gigabit Ethernet simultaneously, up to 192 flows, each with up to 8 classes...

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Reference Design suitsT1/E1 transport over SONET/SDH networks.

Orion Modular Reference Design Platform is optimized for applications such as add-drop multiplexers, multi-service provisioning platforms, optical and wireless transport, and routers. Flexible system architecture enables same shelf hardware to be used for either 84 T1s or 63 E1s aggregated into OC-3/STM-1. Design uses common telecom bus operating at 19.44 MHz and for optical transmission,...

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Architectural & Civil Engineering Products

Line Interface Unit suits high-density applications.

Providing relay-less board hot swapping, 16-channel T1/E1/J1 Model XRT83VSH316 features selectable RX and TX internal terminations for 75/120, 100, and 110 W lines. Unit has master clock timing generator where only single T1, E1, or 8 kHz clock is needed. Additional features include system side RLOS, AIS, QRSS/PRBS generation/detection; line side RLOS, AIS, QRSS/PRBS generation/detection; DMO...

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Controls & Controllers

Line Interface Units feature 8-channel operation.

Models XRT83VSH38 and XRT83VSH28 8-channel LIUs offer power down mode with independent receive and transmit selection, onchip transmit short circuit protection, and selectable crystal-less digital jitter attenuator with 32-bit or 64-bit FIFO. Model XRT83VSH38 for T1/E1/J1 applications also features selectable RX and TX internal terminations (T1/E1/J1) for 75/120, 100, and 110 W lines. Model...

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Electrical Equipment & Systems

Port Multiplier Device supports 1.5 and 3 Gbps data rates.

Model XRS10L120 supports Serial ATA II Port Multiplier specifications enabling up to 2 SATA Gen I and Gen II drives to be connected to single SATA/SAS host bus adaptor. Consuming less than 750 mW, it also supports several power-down modes, multiple levels of programmable output swing and transmit/receive equalization, Spread Spectrum Clocking, and SATA compliant Out of Band signaling. Device...

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Communication Systems & Equipment

UARTs meet EIA/TIA-485 specifications.

Operating from single 3-5.5 V supply at data rates up to 8 Mbps, series XR19L402/400 single/dual-channel 8-bit UARTs with integrated RS-485 transceiver work in active, partial sleep, full sleep, and power-save modes. They feature 64-bytes of transmit and receive FIFOs, automatic RTS/CTS hardware flow control, automatic Xon/Xoff and special character software flow control, transmit and receive...

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Communication Systems & Equipment

Reference Platform supports mix of TDM and packet services.

Carrier-class 5G multiservice access reference design, MetroXS, achieves Ethernet and Resilient Packet Ring (RPR) transport over SONET/SDH networks. Leveraging unified software API structure, solution has hardware architecture comprised of EXtendAR 48TM multiprotocol framer, OC-48/STM-16 SONET/SDH PHY, channelized 5G RPR MAC, and 4 GE/24 FE port Ethernet aggregation solution. Platform targets...

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Controls & Controllers

Line Interface Unit can be used with T1/E1/J1 framers.

Available in 304-pin PBGA package, Model XRT83VSH314 short haul, 14-channel Line Interface Unit operates at 1.8 and 3.3 V with 5 V tolerant I/O's over industrial temperature range. Internal termination allows same design to operate in T1, E1, or J1 modes independently on per channel basis, and unit meets telecom specifications such as ITU G.703, G.775, and ANSI T1.402 and Bellcore GR-499 core....

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