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MCIMX25 Datasheet(PDF) 65 Page - Freescale Semiconductor, Inc |
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MCIMX25 Datasheet(HTML) 65 Page - Freescale Semiconductor, Inc |
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65 / 140 page  i.MX25 Applications Processor for Automotive Products, Rev. 8 Freescale Semiconductor 65 Table 50 shows values for a command/address slew rate of 1 V/ns and an SDCLK, SDCLK_B differential slew rate of 2 V/ns. Table 51 shows additional values for DDR2-400 and DDR2-533. DDR4 CS, RAS, CAS, CKE, WE setup time tIS 0.35 — ns DDR5 CS, RAS, CAS, CKE, WE hold time tIH 0.475 — ns DDR6 Address output setup time tIS 0.35 — ns DDR7 Address output hold time tIH 0.475 — ns Table 51. tlS, tlH Derating Values for DDR2-400, DDR2-533 Command/ Address Slew Rate (V/Ns) CK, CK Differential Slew Rate Units 2.0 V/ns 1.5 V/ns 1.0 V/ns ΔtlS ΔtlH ΔtlS ΔtlH ΔtlS ΔtlH 4.0 +187 +94 +217 +124 +247 +154 ps 3.5 +179 +89 +209 +119 +239 +149 ps 3.0 +167 +83 +197 +113 +227 +143 ps 2.5 +150 +75 +180 +105 +210 +135 ps 2.0 +125 +45 +155 +75 +185 +105 ps 1.5 +83 +21 +113 +51 +143 +81 ps 1.0 0 0 +30 +30 +60 +60 ps 0.9 –11 –14 +19 +16 +49 +46 ps 0.8 –25 –31 +5 –1 +35 +29 ps 0.7 –43 –54 –13 –24 +17 +6 ps 0.6 –67 –83 –37 –53 –7 –23 ps 0.5 –110 –125 –80 –95 –50 –65 ps 0.4 –175 –188 –145 –158 –115 –128 ps 0.3 –285 –292 –255 –262 –225 –232 ps 0.25 –350 –375 –320 –345 –290 –315 ps 0.2 –525 –500 –495 –470 –465 –440 ps 0.15 –800 –708 –770 –678 –740 –648 ps 0.1 –1450 –1125 –1420 –1095 –1390 –1065 ps Table 50. DDR2 SDRAM Timing Parameter Table (continued) ID Parameter Symbol DDR2-400 Unit Min. Max. |
Similar Part No. - MCIMX25_11 |
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Similar Description - MCIMX25_11 |
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