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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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MSM5117800D-60JS датащи(PDF) 6 Page - OKI electronic componets |
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MSM5117800D-60JS датащи(HTML) 6 Page - OKI electronic componets |
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6 / 14 page  MSM5117800D 6/14 AC Characteristic (1/2) (VCC = 5V ± 10%, Ta = 0°C to 70°C) Note1,2,3,11,12 MSM5117800 D-50 MSM5117800 D-60 MSM5117800 D-70 Parameter Symbol Min. Max. Min. Max. Min. Max. Unit Note Random Read or Write Cycle Time tRC 90 ¾ 110 ¾ 130 ¾ ns Read Modify Write Cycle Time tRWC 131 ¾ 155 ¾ 185 ¾ ns Fast Page Mode Cycle Time tPC 35 ¾ 40 ¾ 45 ¾ ns Fast Page Mode Read Modify Write Cycle Time tPRWC 76 ¾ 85 ¾ 100 ¾ ns Access Time from RAS tRAC ¾ 50 ¾ 60 ¾ 70 ns 4,5,6 Access Time from CAS tCAC ¾ 13 ¾ 15 ¾ 20 ns 4,5 Access Time from Column Address tAA ¾ 25 ¾ 30 ¾ 35 ns 4,6 Access Time from CAS Precharge tCPA ¾ 30 ¾ 35 ¾ 40 ns 4 Access Time from OE tOEA ¾ 13 ¾ 15 ¾ 20 ns 4 Output Low Impedance Time from CAS tCLZ 0 ¾ 0 ¾ 0 ¾ ns 4 CAS to Data Output Buffer Turn- off Delay Time tOFF 0130150 20 ns 7 OE to Data Output Buffer Turn-off Delay Time tOEZ 0130150 20 ns 7 Transition Time tT 3503503 50 ns 3 Refresh Period tREF ¾ 32 ¾ 32 ¾ 32 m s RAS Precharge Time tRP 30 ¾ 40 ¾ 50 ¾ ns RAS Pulse Width tRAS 50 10,000 60 10,000 70 10,000 ns RAS Pulse Width (Fast Page Mode) tRASP 50 100,000 60 100,000 70 100,000 ns RAS Hold Time tRSH 13 ¾ 15 ¾ 20 ¾ ns RAS Hold Time referenced to OE tROH 13 ¾ 15 ¾ 20 ¾ ns CAS Precharge Time (Fast Page Mode) tCP 7 ¾ 10 ¾ 10 ¾ ns CAS Pulse Width tCAS 13 10,000 15 10,000 20 10,000 ns CAS Hold Time tCSH 50 ¾ 60 ¾ 70 ¾ ns CAS to RAS Precharge Time tCRP 5 ¾ 5 ¾ 5 ¾ ns RAS Hold Time from CAS Precharge tRHCP 30 ¾ 35 ¾ 40 ¾ ns RAS to CAS Delay Time tRCD 17 37 20 45 20 50 ns 5 RAS to Column Address Delay Time tRAD 12 25 15 30 15 35 ns 6 Row Address Set-up Time tASR 0 ¾ 0 ¾ 0 ¾ ns Row Address Hold Time tRAH 7 ¾ 10 ¾ 10 ¾ ns Column Address Set-up Time tASC 0 ¾ 0 ¾ 0 ¾ ns |
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