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MSC23240D-70BS20 Datasheet(PDF) 7 Page - OKI electronic componets |
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MSC23240D-70BS20 Datasheet(HTML) 7 Page - OKI electronic componets |
7 / 9 page Semiconductor MSC23240D AC Characteristics (1/2) (VCC = 5V ± 10%, Ta = 0°C to +70°C ) Note: 1, 2, 3, 11, 12 MSC23240D -60BS20/DS20 MSC23240D -70BS20/DS20 Parameter Symbol Min. Max. Min. Max. Unit Note Random Read or Write Cycle Time tRC 110 - 130 - ns Read Modify Write Cycle Time tRWC 150 - 180 - ns Fast Page Mode Cycle Time tPC 40 - 45 - ns Fast Page Mode Read Modify Write Cycle Time tPRWC 80 - 95 - ns Access Time from /RAS tRAC - 60 - 70 ns 4, 5, 6 Access Time from /CAS tCAC - 15 - 20 ns 4, 5 Access Time from Column Address tAA - 30 - 35 ns 4, 6 Access Time from /CAS Precharge tCPA - 35 - 40 ns 4 Access Time from /OE tOEA - 15 - 20 ns 4 Output Low Impedance Time from /CAS tCLZ 0- 0- ns 4 /CAS to Data Output Buffer Turn-off Delay Time tOFF 0 15 0 20 ns 7 /OE to Data Output Buffer Turn-off Delay Time tOEZ 0 15 0 20 ns 7 Transition Time tT 3 50 3 50 ns 3 Refresh Period tREF -16 - 16 ms /RAS Precharge Time tRP 40 - 50 - ns /RAS Pulse Width tRAS 60 10K 70 10K ns /RAS Pulse Width (Fast Page Mode) tRASP 60 100K 70 100K ns /RAS Hold Time tRSH 15 - 20 - ns /RAS Hold Time referenced to /OE tROH 15 - 20 - ns /CAS Precharge Time (Fast Page Mode) tCP 10 - 10 - ns /CAS Pulse Width tCAS 15 10K 20 10K ns /CAS Hold Time tCSH 60 - 70 - ns /CAS to /RAS Precharge Time tCRP 5- 5- ns /RAS Hold Time from /CAS Precharge tRHCP 35 - 40 - ns /RAS to /CAS Delay Time tRCD 20 45 20 50 ns 5 /RAS to Column Address Delay Time tRAD 15 30 15 35 ns 6 Row Address Set-up Time tASR 0- 0- ns Row Address Hold Time tRAH 10 - 10 - ns Column Address Set-up Time tASC 0- 0- ns Column Address Hold Time tCAH 15 - 15 - ns Column Address Hold Time from /RAS tAR 50 - 55 - ns Column Address to /RAS Lead Time tRAL 30 - 35 - ns |
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