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VG26VS18165C bảng dữ liệu(PDF) 11 Page - Vanguard International Semiconductor |
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VG26VS18165C bảng dữ liệu(HTML) 11 Page - Vanguard International Semiconductor |
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11 / 27 page ![]() Document:1G5-0147 Rev.1 Page 11 VIS VG26(V)(S)18165C 1,048,576 x 16 - Bit CMOS Dynamic RAM Read Cycle Write Cycle Read- Modify- Write Cycle Parameter Symbol VG26(V)(S)18165C Unit Notes -5 -6 Min Max Min Max Access time from RAS tRAC - 50 - 60 ns 13 Access time from LCAS / UCAS tCAC - 13 - 15 ns 14, 15 Access time from column address tAA - 25 - 30 ns 15, 16 Access time from OE tOEA - 12 - 15 ns Read command setup time tRCS 0 - 0 - ns 8 Read command hold time to LCAS / UCAS tRCH 0 - 0 - ns 11, 17 Read command hold time to RAS tRRH 10 - 10 - ns 17 Output buffer turn-off time tOFF 0 12 0 15 ns 18 Output buffer turn-off time from OE tOEZ 0 12 0 15 ns 18 Parameter Symbol VG26(V)(S)18165C Unit Notes -5 -6 Min Max Min Max Write command setup time tWCS 0 - 0 - ns 8, 19 Write command hold time tWCH 8 - 10 - ns Write command pulse width tWP 8 - 10 - ns Write command to RAS lead time tRWL 13 - 15 - ns Write command to LCAS / UCAS lead time tCWL 8 - 10 - ns 20 Data-in setup time tDS 0 - 0 - ns 21 Data-in hold time tDH 8 - 10 - ns 21 WE to Data-in delay tWED 10 - 10 - ns Parameter Symbol VG26(V)(S) 18165C Unit Notes -5 -6 Min Max Min Max Read-modify- write cycle time tRWC 108 - 133 - ns RAS to WE delay time tRWD 64 - 77 - ns 19 LCAS / UCAS to WE dealy time tCWD 26 - 32 - ns 19 Column address to WE delay time tAWD 39 - 47 - ns 19 OE hold time from WE tOEH 8 - 10 - ns |
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