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LC321664AT-80 データシート(PDF) 6 Page - Sanyo Semicon Device |
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LC321664AT-80 データシート(HTML) 6 Page - Sanyo Semicon Device |
6 / 30 page LC321664AJ, AM, AT-80 No. 4795-6/30 Continued from preceding page. Parameter Symbol min max Unit Note Write command to RAS lead time tRWL 20 ns Write command to CAS lead time tCWL 20 ns Data input setup time tDS 0 ns 12 Data input hold time tDH 20 ns 12 Data input hold time tDHR 60 ns referenced to RAS Refresh period tREF 4 ms Write command setup time tWCS 0 ns 13 CAS to UW, LW delay time tCWD 50 ns 13 RAS to UW, LW delay time tRWD 100 ns 13 Column address to UW, LW tAWD 65 ns 13 delay time CAS precharge to UW, LW delay tCPWD 70 ns 13 time (fast page mode cycle only) CAS setup time for tCSR 10 ns CAS-before-RAS refresh CAS hold time for tCHR 15 ns CAS-before-RAS refresh RAS precharge time to tRPC 10 ns CAS active time CAS precharge time for tCPT 40 ns CAS-before-RAS counter test RAS hold time referenced to OE tROH 15 ns OE access time tOEA 25 ns 9 OE delay time tOED 15 ns OE to output buffer turn-off tOEZ 0 15 ns 10 delay time OE command hold time tOEH 20 ns Data input to CAS delay time tDZC 0 ns 16 Data input to OE delay time tDZO 0 ns 16 Masked write setup time tMCS 0 ns Masked write hold time tMRH 0 ns referenced to RAS Masked write hold time tMCH 0 ns referenced to CAS Input/Output Capacitance at Ta = 25°C, f = 1 MHz, VCC = 5 V ± 10% Parameter Symbol min max Unit Input capacitance CIN 7 pF (A0 to A7, RAS, CAS, UW, LW, OE) I/O capacitance (I/O1 to I/O16) CI/O 7 pF |
同様の部品番号 - LC321664AT-80 |
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同様の説明 - LC321664AT-80 |
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