ATA5558 low frequency RFID device. Free Technical Library News

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ATA5558 Low Frequency RFID Device

17.06.2005

ATMEL Corporation announced the release of the ATA5558 chip, which is a low frequency RFID device.

Such identification is used to identify animals, linen in laundries, industrial automation, chip cards. The chip can read multiple codes at the same time using a sophisticated anti-collision mechanism.

The chip has a 1Kb memory which allows for a lot of data storage and password protection to prevent unauthorized persons from accessing the information.

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AMD Radeon R9 290 09.11.2013

Following the October announcement of the flagship Radeon R9 290X accelerator and an additional week of delay, AMD has finally officially unveiled its second graphics accelerator, which is based on the same new 28nm Hawaii chip with 6,2 billion transistors. However, in order to reduce the cost of the solution for these video cards, chips were selected that operate at a lower frequency and have disabled computing units.

As a result, the video card received 2560 stream processors instead of 2816 at a core frequency of up to 947 MHz (instead of 1000 MHz) and a peak computing performance of 4,9 teraflops. AMD is also positioning this accelerator on screens with 4K resolution (Ultra HD) - the number of raster operations units (ROP) has remained unchanged in relation to the flagship - 64 (the Radeon HD 7970 has only 32 of them). However, the number of texture units (TMU) has been slightly reduced - from 176 to 160. Like the Radeon R9 290X, AMD recommends testing the new accelerator in Ultra HD resolution - according to it, in 4K resolution you can find out what the solution is really capable of.

Other characteristics of the R9 290 remain unchanged compared to the R9 290X: 512-bit interface provides a throughput of up to 320 GB / s, the amount of GDDR5 memory is 4 GB at 1250 MHz.

AMD Radeon R9 290, like the flagship accelerator, scales well in CrossFire mode. Unlike past accelerators of the company, in the R9 290 series the accelerators interact without a special Crossfire bridge - all communication takes place through a PCIe slot, and this does not affect the quality of work and performance, but it allows you to place video cards more freely in the case.

The Radeon R9 290 (along with the R9 290X and R7 260X) supports the new TrueAudio programmable audio technology, which is designed to take the sound environment in games to a whole new level. AMD compares TrueAudio in audio to programmable shaders in graphics. TrueAudio will be supported in many game audio engines. Early titles to support the technology include Eidos' Thief, Xaviant's Lichdom, Cloud Imperium Games' Star Citizen, and Square Enix/AirTight's Murdered Soul Suspect.

The expected price of the Radeon R9 290 accelerator in the US market is expected to be around $450. In our area, the popularity of the solution will depend on how big the difference in retail price will be compared to a full-fledged Radeon R9 290X video card.

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