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MH2M365CNXJ-5 Datasheet(PDF) 5 Page - Mitsubishi Electric Semiconductor |
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MH2M365CNXJ-5 Datasheet(HTML) 5 Page - Mitsubishi Electric Semiconductor |
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5 / 15 page  MITSUBISHI ELECTRIC HYPER PAGE MODE 75497472-BIT ( 2097152-WORD BY 36-BIT ) DYNAMIC RAM MITSUBISHI LSIs MH2M365CXJ/CNXJ-5,-6,-7 21/Feb./1997 ( / 15 ) MIT-DS-0083-1.2 TIMING REQUIREMENTS (For Read, Write, Refresh, and Hyper-Page Mode Cycles) (Ta=0 ~ 70°C, Vcc = 5V ± 10%, Vss=0V, unless otherwise noted See notes 14,15) Note 14: The timing requirements are assumed tT =3ns. 15: VIH(min) and VIL(max) are reference levels for measuring timing of input signals. 16: tRCD(max) is specified as a reference point only. If tRCD is less than tRCD(max), access time is tRAC. If tRCD is greater than tRCD(max), access time is controlled exclusively by tCAC or tAA. 17: tRAD(max) is specified as a reference point only. If tRAD ≤ tRAD(max) and tASC ≤ tASC(max), access time is controlled exclusively by tAA. 18: tASC(max) is specified as a reference point only. If tRCD ≥ tRCD(max) and tASC ≥ tASC(max), access time is controlled exclusively by tCAC. 19: tDZC must be satisfied. 20: Either tRDD or tCDD or tODD must be satisfied. 21: tT is measured between VIH(min) and VIL(max). Read and Refresh Cycles Note 22: Either tRCH or tRRH must be satisfied for a read cycle. Parameter Refresh cycle time RAS high pulse width Delay time, RAS low to CAS low Symbol Delay time, CAS high to RAS low Delay time, RAS high to CAS low CAS high pulse width (Note21) (Note16) (Note17) (Note18) 16.4 45 30 0 40 13 50 20 5 10 15 10 10 0 0 1 16.4 37 25 0 30 10 50 18 5 8 13 8 8 0 0 1 Column address delay time from RAS low Row address setup time before RAS low Column address setup time before CAS low Row address hold time after RAS low Column address hold time after CAS low Transition time (Note19) (Note20) Delay time, data to CAS low Delay time, CAS high to data 0 0 15 13 (Note20) Delay time, RAS high to data 15 13 ms ns ns ns ns ns ns Limits Unit Min Max Min Max ns ns ns Min Max 16.4 50 35 0 50 13 50 20 5 10 15 10 10 0 0 1 0 20 20 Parameter Read cycle time RAS low pulse width CAS low pulse width Symbol 0 CAS hold time after RAS low Read Setup time before CAS low Read hold time after CAS high (Note 22) (Note 22) 0 RAS hold time after CAS low Read hold time after RAS high Column address to RAS hold time 10000 10000 10000 10000 90 50 8 40 13 10 25 0 0 110 60 10 48 15 10 30 Column address to CAS hold time 13 18 ns ns ns ns ns ns ns ns Limits Unit Min Max Min Max ns ns Min Max 10000 10000 0 0 130 70 13 55 20 10 35 23 ns ns ns ns ns tREF tRP tRCD tCRP tRPC tCPN tRAD tASR tASC tRAH tCAH tDZC tRDD tCDD tT tRC tRAS tCAS tCSH tRSH tRCS tRCH tRRH tRAL tCAL MH2M365C -5 MH2M365C -6 MH2M365C -7 MH2M365C -5 MH2M365C -6 MH2M365C -7 5 |
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