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TC55V400AFT-70 Datasheet(PDF) 4 Page - Toshiba Semiconductor |
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TC55V400AFT-70 Datasheet(HTML) 4 Page - Toshiba Semiconductor |
4 / 11 page TC55V400AFT-55,-70 2001-09-04 4/11 AC CHARACTERISTICS AND OPERATING CONDITIONS (Ta ==== ----40° to 85°C, VDD ==== 2.7 to 3.6 V) READ CYCLE TC55V400AFT -55 -70 SYMBOL PARAMETER MIN MAX MIN MAX UNIT tRC Read Cycle Time 55 ¾ 70 ¾ tACC Address Access Time ¾ 55 ¾ 70 tCO1 Chip Enable( 1 CE ) Access Time ¾ 55 ¾ 70 tCO2 Chip Enable(CE2) Access Time ¾ 55 ¾ 70 tOE Output Enable Access Time ¾ 30 ¾ 35 tBA Data Byte Control Access Time ¾ 30 ¾ 35 tCOE Chip Enable Low to Output Active 5 ¾ 5 ¾ tOEE Output Enable Low to Output Active 0 ¾ 0 ¾ tBE Data Byte Control Low to Output Active 0 ¾ 0 ¾ tOD Chip Enable High to Output High-Z ¾ 25 ¾ 30 tODO Output Enable High to Output High-Z ¾ 25 ¾ 30 tBD Data Byte Control High to Output High-Z ¾ 25 ¾ 30 tOH Output Data Hold Time 10 ¾ 10 ¾ ns WRITE CYCLE TC55V400AFT -55 -70 SYMBOL PARAMETER MIN MAX MIN MAX UNIT tWC Write Cycle Time 55 ¾ 70 ¾ tWP Write Pulse Width 45 ¾ 50 ¾ tCW Chip Enable to End of Write 50 ¾ 60 ¾ tBW Data Byte Control to End of Write 45 ¾ 50 ¾ tAS Address Setup Time 0 ¾ 0 ¾ tWR Write Recovery Time 0 ¾ 0 ¾ tODW R/W Low to Output High-Z ¾ 25 ¾ 30 tOEW R/W High to Output Active 0 ¾ 0 ¾ tDS Data Setup Time 25 ¾ 30 ¾ tDH Data Hold Time 0 ¾ 0 ¾ ns AC TEST CONDITIONS PARAMETER TEST CONDITION Output load 30 pF + 1 TTL Gate Input pulse level 0.4 V, 2.4 V Timing measurements VDD ´ 0.5 Reference level VDD ´ 0.5 tR, tF 5 ns |
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