Return path discontinuities as bus speeds have increased, signal integrity analysis has become more important. Refer to tn4611, hardware tips for pointtopoint system design. Ddr sdram pointtopoint simulation process technical note. On a singleranked dimm, dqs, and dq signals are pointtopoint. This video provides an overview of keysights ddr memory test solutions, from simulation, transmitter compliance, protocol, and probing solutions. Return path discontinuities as bus speeds have increased, signal integrity analysis has. Even if flyby architecture is used in a pointtopoint.
Reducing main memory access latency through sdram address. Cyclone devices can interface with ddr sdram at speeds up to. Nps implement a variety of packet processing functions, such as ip forwarding, in software. Technical note ddr sdram pointtopoint simulation process introduction this technical note covers rarely addressed areas of the ddr sdram pointtopoint simulation process. Eia36429 eia36465 240 pin dimm ddr3 through hole eiats364 aisi eia36452 ddr3 socket qualification test report ddr3 connector eia eia364 dimm. Software refresh procedure for micron p5q serial pcm. It is also used to optimize the design and to obtain numbers for the timing budget.
Micron tn4611, ddr sdram pointtopoint simulation process. Tn46 mt46v64m8 ddr200 ddr266 ddr333 ddr400 09005aef81c057ddsource. Avoid test points on the ddr signals, as they create stubs which can act as an emi source. Ddr simulation process introduction ddr sdram pointtopoint simulation process this technical note covers rarely addressed areas of the ddr sdram pointtopoint simulation process. Instead, use vias for probing or jedecrecommended methods that. Design of an integrated halfcycle delay line duty cycle corrector delaylocked loop masters thesis.
Termination, layout, and routing and tn4614, ddr sdram pointtopoint simulation process. Mobile ddr sdram is typically used in pointtopoint configurations and. Ddr333 micron ddr tn46 ddr400 ddr200 ddr266 mt46v64m8. Ddr2 and ddr3 sdram interface termination and layout. Ddr simulation process simulation simulation the main purpose of simulation is to ensure that all of the signals meet the bus specification before hardware is built. Covers rarely addressed areas of the ddr sdram pointtopoint simulation process. Jacob aker, mos ircuit design, layout, and simulation, 3 ed. Micron technical note tn4611, ddr sdram pointtopoint simulation process. This video is about design challenges in ddr4 and in particular the ddr bus simulator, which is a new keysight eesof eda simulation tool for ddr4 and beyond. Figure 110 and figure 111 show the simulation and measurement. Thus memory bandwidth is a key consideration in the design of packet. Technical note, termination for pointtopoint systems tn4606.