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HYR186420G-840 Datasheet(PDF) 10 Page - Infineon Technologies AG |
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HYR186420G-840 Datasheet(HTML) 10 Page - Infineon Technologies AG |
10 / 14 page HYR 16xx20G/HYR 18xx20G Rambus RIMM Modules INFINEON Technologies 10 7.00 1) Table below lists parameters and specifications for different storage capacity RIMM Modules that use 144 MBbit RDRAM devices. 2) Average clock delay is defined as the average delay from finger to finger of all RSL clock nets (CTM, CTMN, .....CFM and CFMN). 3.) If the RIMM module meets the folowwing specifications, then it is compliant to the specification. If the RIMM .....module does not meet these specifications, then the specification can be adjusted by the “Adjusted ∆T PD- .....Specification” table. Adjusted ∆T PD Specfication a) Where: N = Nuber of RDRAM devices installed on the RIMm module DZ0 = delta Z0% =(max Z0 - minZ0)/(min Z0) (max Z= and min Z0 are obtained from the loaded (high impedance) impedance coupons of all RSL layers on the modules) AC Electrical Specifications Symbol Parameter and Conditions Limit Values Unit min. typ. max. Z Module Impedance 25.2 28 30.8 Ω T PD Average clock delay from finger of all RSL clock nets (CTM, CTMN, CFM and CFMN) –– See Table 1) ns ∆T PD Propagation delay variation of RSL signals with respect to T PD 2)3 ) for 4 and 8 device modules – 21 – 21 ps Propagation delay variation of RSL signals with respect to T PD 2)3 ) for 16 device modules – 24 – 24 ps ∆T PD-CMOS Propagation delay variation of SCK and CMD signals with respect to an average clock delay 2) – 100 – 100 ps V A/VIN Attenuation Limit –– See Table 1) % V XF/VIN Forward crosstalk coefficient (300 ps input rise time @ 20%-80%) –– See Table 1) % V XB/VIN Backward crosstalk coefficient (300 ps input rise time @ 20%-80%) –– See Table 1) % Symbol Parameter and Conditions Adjusted Min/Max Absolute Min /Max Unit ∆T PD Propagation delay variation of RSL signals with respect to T PD for 4 and 8 device modules +/-[17+(18*N* ∆Z0)]a -30 30 ps Propagation delay variation of RSL signals with respect to T PD for 16 device modules +/-[24+(18*N* ∆Z0)] -50 50 ps |
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