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Model number [1] Fab CPU GPU Memory technology Wireless radio technologies Released Utilizing devices μarch Cores Freq. Cache SC6815 [12] SC6815A 40 nm ARM Cortex-A7: 1 1.2 L1: 32 KB + 32 KB, L2: 256 KB Mali-400 MP1 Single-channel LPDDR2 333 MHz Wi-Fi 802.11b/g/n, Bluetooth 4.0, GSM850/GSM900, DCS1800/PCS1900, GPRS Class 12, GPS, FM 2012
A compactron used in television sets to supply power to the anode of the picture tube. This tube is very rare, and very special, because it implements an indirectly heated cathode, not connected to the filament. No data is found on this tube, except for the filament power (which is 3.6 volts, 0.225 amps) and the base (which is the 12GQ type).
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Double data rate SDRAM (DDR SDRAM or DDR) was a later development of SDRAM, used in PC memory beginning in 2000. Subsequent versions are numbered sequentially (DDR2, DDR3, etc.). DDR SDRAM internally performs double-width accesses at the clock rate, and uses a double data rate interface to transfer one half on each clock edge. DDR2 and DDR3 ...
DDR SDRAM specification was finalized by JEDEC in June 2000 (JESD79). [9] JEDEC has set standards for the data rates of DDR SDRAM, divided into two parts. The first specification is for memory chips, and the second is for memory modules. The first retail PC motherboard using DDR SDRAM was released in August 2000. [10]
DDR SDRAM operating with a 100 MHz clock is called DDR-200 (after its 200 MT/s data transfer rate), and a 64-bit (8-byte) wide DIMM operated at that data rate is called PC-1600, after its 1600 MB/s peak (theoretical) bandwidth. Likewise, 12.8 GB/s transfer rate DDR3-1600 is called PC3-12800. Some examples of popular designations of DDR modules:
Week 15 has come and gone. Time to set our sights for Week 16 and the fantasy postseason. Matt Harmon and Sal Vetri are back for another 'Data Dump Wednesday' by sharing 10 data points you need to ...
Note that the bandwidth of an FB-DIMM channel is equal to the peak read bandwidth of a DDR memory channel (and this speed can be sustained, as there is no contention for the northbound channel), plus half of the peak write bandwidth of a DDR memory channel (which can often be sustained, if one command per frame is sufficient).