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AT52BC6402AT Datasheet(PDF) 29 Page - ATMEL Corporation |
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AT52BC6402AT Datasheet(HTML) 29 Page - ATMEL Corporation |
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29 / 38 page ![]() 29 AT52BC6402A(T) 3441B–STKD–11/04 AC Characteristics V CC = 2.7V ~ 3.1V, TA = -30°C to 85°C (I), Unless Otherwise Specified # Symbol Parameter 70 ns Unit Min Max Read Cycle 1t RC Read Cycle Time 70 ns 2tAA Address Access Time 70 ns 3t ACS Chip Select Access Time 70 ns 4t OE Output Enable to Output Valid 20 ns 5tBA LB, UB Access Time 20 ns 6t CLZ Chip Select to Output in Low Z 10 ns 7t OLZ Output Enable to Output in Low Z 5 ns 8tBLZ LB, UB Enable to Output in Low Z 10 ns 9t CHZ Chip Disable to Output in High Z 0 10 ns 10 t OHZ Out Disable to Output in High Z 0 10 ns 11 tBHZ LB, UB Disable to Output in High Z 0 10 ns 12 t OH Output Hold from Address Change 5 ns Write Cycle 13 tWC Write Cycle Time 70 ns 14 t CW Chip Selection to End of Write 60 ns 15 t AW Address Valid to End of Write 60 ns 16 tBW LB, UB Valid to End of Write 60 ns 17 t AS Address Setup Time 0 ns 18 t WP Write Pulse Width 50 ns 19 tWR Write Recovery Time 0 ns 20 t WHZ Write to Output in High Z 0 20 ns 21 t DW Data to Write Time Overlap 30 ns 22 tDH Data Hold from Write Time 0 ns 23 t OW Output Active from End of Write 5 ns AC Test Conditions T A = -30°C to 85°C (M), Unless Otherwise Specified Parameter Value Input Pulse Level 0.4V to 2.2V Input Rising and Fall Time 5 ns Input and Output Timing Reference Level 0.5 * V CC Output Load (See AC Test Loads Figure on page 30) |
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