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FM1608B bảng dữ liệu(PDF) 7 Page - Ramtron International Corporation |
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FM1608B bảng dữ liệu(HTML) 7 Page - Ramtron International Corporation |
7 / 11 page FM1608B – 64Kb Bytewide 5V F-RAM Rev. 1.2 Mar. 2011 Page 7 of 11 Read Cycle AC Parameters (TA = -40° C to + 85° C, VDD = 4.5V to 5.5V unless otherwise specified) Symbol Parameter Min Max Units Notes tCE Chip Enable Access Time (to data valid) 70 ns tCA Chip Enable Active Time 70 ns tRC Read Cycle Time 130 ns tPC Precharge Time 60 ns tAS Address Setup Time 0 ns tAH Address Hold Time 15 ns tOE Output Enable Access Time 12 ns tHZ Chip Enable to Output High-Z 15 ns 1 tOHZ Output Enable to Output High-Z 15 ns 1 Write Cycle AC Parameters (TA = -40° C to + 85° C, VDD = 4.5V to 5.5V unless otherwise specified) Symbol Parameter Min Max Units Notes tCA Chip Enable Active Time 70 ns tCW Chip Enable to Write High 70 ns tWC Write Cycle Time 130 ns tPC Precharge Time 60 ns tAS Address Setup Time 0 ns tAH Address Hold Time 15 ns tWP Write Enable Pulse Width 40 ns tDS Data Setup 30 ns tDH Data Hold 0 ns tWZ Write Enable Low to Output High Z 15 ns 1 tWX Write Enable High to Output Driven 10 ns 1 tHZ Chip Enable to Output High-Z 15 ns 1 tWS Write Enable Setup 0 ns 2 tWH Write Enable Hold 0 ns 2 Notes 1 This parameter is periodically sampled and not 100% tested. 2 The relationship between /CE and /WE determines if a /CE- or /WE-controlled write occurs. There is no timing specification associated with this relationship. Data Retention Symbol Parameter Min Max Units Notes TDR @ +85ºC 10 - Years @ +80ºC 19 - Years @ +75ºC 38 - Years |
Số phần tương tự - FM1608B |
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Mô tả tương tự - FM1608B |
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