| 전자부품 데이터시트 검색엔진 |
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AS4SD16M16 데이터시트(PDF) 29 Page - Micross Components |
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AS4SD16M16 데이터시트(HTML) 29 Page - Micross Components |
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29 / 52 page ![]() SDRAM AS4SD16M16 AS4SD16M16 Rev. 2.6 04/13/15 Micross Components reserves the right to change products or specifications without notice. 29 SYM MIN MAX UNITS NOTES CL = 3 tAC(3) 5.4 ns 27 CL = 2 tAC(2) 6 ns tAH 0.8 ns tAS 1.5 ns tCH 2.5 ns tCL 2.5 ns CL = 3 tCK(3) 7.5 ns 23 CL = 2 tCK(2) 10 ns 23 tCKH 0.8 ns tCKS 1.5 ns tCMH 0.8 ns tCMS 1.5 ns tDH 0.8 ns tDS 1.5 ns CL = 3 tHZ(3) 5.4 ns 10 CL = 2 tHZ(2) 6 ns 10 tLZ 1 ns tOH 3 ns tOHN 1.8 ns 28 tRAS 44 80,000 ns tRC 66 ns tRCD 20 ns tREF 64 / 24 ms 34 tRFC 66 ns tRP 20 ns tRRD 15 ns tT 0.3 1.2 ns 7 1 CLK + 7.5ns ns 24 15 ns 25 tXSR 75 ns 20, 35 -75 Access time from CLK (pos. edge) Clock cycle time Data-out high-impedance time CS\, RAS\, CAS\, WE\, DQM setup time CS\, RAS\, CAS\, WE\, DQM hold time CKE setup time CKE hold time Address hold time Address setup time tWR PARAMETER WRITE recovery time AUTO REFRESH period ACTIVE to READ or WRITE delay Refresh period (8,192 rows) ACTIVE to ACTIVE command ACTIVE to PRECHARGE command Data-out hold time (no load) CLK high-level width Exit SELF REFRESH to ACTIVE command Transition time ACTIVE bank a to ACTIVE bank b command PRECHARGE command period CLK low-level width Data-out hold time (load) Data-out low-impedance time Data-in setup time Data-in hold time ELECTRICAL CHARACTERISTICS AND RECOMMENDED AC OPERATING CONDITIONS5,6,8,9,11 |
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