データシートサーチシステム |
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FM23MLD16 データシート(PDF) 8 Page - Ramtron International Corporation |
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FM23MLD16 データシート(HTML) 8 Page - Ramtron International Corporation |
8 / 13 page FM23MLD16 - 512Kx16 FRAM (multi die) Rev. 1.0 Dec. 2008 Page 8 of 13 Read Cycle AC Parameters (TA = -40° C to + 85° C, VDD = 2.7V to 3.6V unless otherwise specified) Symbol Parameter Min Max Units Notes tRC Read Cycle Time 115 - ns tCE Chip Enable Access Time - 60 ns tAA Address Access Time - 115 ns tOH Output Hold Time 25 - ns tAAP Page Mode Address Access Time - 25 ns tOHP Page Mode Output Hold Time 5 - ns tCA Chip Enable Active Time 60 - ns tPC Precharge Time 55 - ns tBA /UB, /LB Access Time - 20 ns tAS Address Setup Time (to /CE1, CE2 active) 0 - ns tAH Address Hold Time (CE-controlled) 60 - ns tOE Output Enable Access Time - 15 ns tHZ Chip Enable to Output High-Z - 10 ns 1 tOHZ Output Enable High to Output High-Z - 10 ns 1 tBHZ /UB, /LB High to Output High-Z - 10 ns 1 Write Cycle AC Parameters (TA = -40° C to + 85° C, VDD = 2.7V to 3.6V unless otherwise specified) Symbol Parameter Min Max Units Notes tWC Write Cycle Time 115 - ns tCA Chip Enable Active Time 60 - ns tCW Chip Enable to Write Enable High 60 - ns tPC Precharge Time 55 - ns tBHZ /UB, /LB High to Output High-Z 5 ns tPWC Page Mode Write Enable Cycle Time 25 - ns tWP Write Enable Pulse Width 16 - ns tAS Address Setup Time (to /CE1, CE2 active) 0 - ns tASP Page Mode Address Setup Time (to /WE low) 8 - ns tAHP Page Mode Address Hold Time (to /WE low) 15 - ns tWLC Write Enable Low to Chip Disabled 25 - ns tWLA Write Enable Low to A(18:2) Change 25 - ns tAWH A(18:2) Change to Write Enable High 115 - ns tDS Data Input Setup Time 14 - ns tDH Data Input Hold Time 0 - ns tWZ Write Enable Low to Output High Z - 10 ns 1 tWX Write Enable High to Output Driven 10 - ns 1 tWS Write Enable to /CE Low Setup Time 0 - ns 2 tWH Write Enable to /CE High Hold Time 0 - ns 2 Notes 1 This parameter is characterized but not 100% tested. 2 The relationship between /CE and /WE determines if a /CE- or /WE-controlled write occurs. The parameters tWS and tWH are not tested. Capacitance (TA = 25° C , f=1 MHz, VDD = 3.3V) Symbol Parameter Min Max Units Notes CI/O Input/Output Capacitance (all DQ) - 16 pF CIN1 Input Capacitance (/CE1, CE2, A18) - 6 pF CIN2 Input Capacitance (A17-A0, /WE, /OE, /LB, /UB) - 12 pF |
同様の部品番号 - FM23MLD16 |
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同様の説明 - FM23MLD16 |
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