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Q67100-Q1088 Datasheet(PDF) 8 Page - Siemens Semiconductor Group |
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Q67100-Q1088 Datasheet(HTML) 8 Page - Siemens Semiconductor Group |
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8 / 26 page  Semiconductor Group 8 HYB 5117400BJ/BT-50/-60/-70 4M x 4-DRAM Output buffer turn-off delay from OE tOEZ 013 0 15 020 ns 12 Data to OE low delay tDZO 0–0 –0– ns 13 CAS high to data delay tCDD 13 – 15 – 20 – ns 14 OE high to data delay tODD 13 – 15 – 20 – ns 14 Write Cycle Write command hold time tWCH 8–10 – 10 – ns Write command pulse width tWP 8–10 – 10 – ns Write command setup time tWCS 0–0 –0– ns 15 Write command to RAS lead time tRWL 13 – 15 – 20 – ns Write command to CAS lead time tCWL 13 – 15 – 20 – ns Data setup time tDS 0–0 –0– ns 16 Data hold time tDH 10 – 10 – 15 – ns 16 Data to CAS low delay tDZC 0–0 –0– ns 13 Read-Modify-Write Cycle Read-write cycle time tRWC 126 – 150 – 180 – ns RAS to WE delay time tRWD 68 – 80 – 95 – ns 15 CAS to WE delay time tCWD 31 – 35 – 45 – ns 15 Column address to WE delay time tAWD 43 – 50 – 60 – ns 15 OE command hold time tOEH 13 – 15 – 20 – ns Fast Page Mode Cycle Fast page mode cycle time tPC 35 – 40 – 45 – ns CAS precharge time tCP 10 – 10 – 10 – ns Access time from CAS precharge tCPA –30 – 35 –40 ns 7 RAS pulse width tRAS 50 200k 60 200k 70 200k ns CAS precharge to RAS Delay tRHPC 30 – 35 – 40 – ns AC Characteristics (cont’d) 5)6) 16F T A = 0 to 70 °C,VCC = 5 V ± 10 %, tT = 5 ns Parameter Symbol Limit Values Unit Note -50 -60 -70 min. max. min. max. min. max. |
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