64-megabit 2.7-volt Only Dual-interface DataFlash AT45DB642

AC Characteristics – Parallel InterfaceSymbol Parameter Min Max Unitsf SCK1 CLK Frequency 5 MHzf CAR1 CLK Frequency for Continuous Array Read 3 MHzf BARSD1 CLK Frequency for Burst Array Read with Synchronous Delay 5 MHzt WH CLK High Time 80 nst WL CLK Low Time 80 nst CS Minimum CS High Time 250 nst CSS CS Setup Time 250 nst CSH CS Hold Time 250 nst CSB CS High to RDY/BUSY Low 150 nst SU Data In Setup Time 75 nst H Data In Hold Time 25 nst HO Output Hold Time 0 nst DIS Output Disable Time 55 nst V Output Valid 70 nst XFR Page to Buffer Transfer/Compare Time 700 µst EP Page Erase and Programming Time 20 mst P Page Programming Time 14 mst PE Page Erase Time 8 mst BE Block Erase Time 12 mst RST RESET Pulse Width 10 µst REC RESET Recovery Time 1 µsTest Waveforms and Measurement LevelsACDRIVINGLEVELS2.4V0.45V2.00.8ACMEASUREMENTLEVELtR, tF < 3 ns (10% to 90%)Output Test LoadDEVICEUNDERTEST30 pF16 AT45DB6421638F–DFLSH–09/02