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EM78P447NAM Datasheet(PDF) 38 Page - ELAN Microelectronics Corp |
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EM78P447NAM Datasheet(HTML) 38 Page - ELAN Microelectronics Corp |
38 / 57 page ![]() EM78P447N OTP ROM 6.2 AC Electrical Characteristic (Ta=- -40 °C ~ 85 °C, VDD=5V±5%, VSS=0V) Symbol Parameter Conditions Min Typ Max Unit Dclk Input CLK duty cycle 45 50 55 % Crystal type 100 60000 ns Tins Instruction cycle time (CLKS="0") RC type 500 100000 ns Ttcc TCC input period (Tins+20)/N* ns Tdrh Device reset hold time Ta = 25 °C 11.3 16.2 21.6 ms Trst /RESET pulse width Ta = 25 °C 2000 ns Twdt Watchdog timer period Ta = 25 °C 11.3 16.2 21.6 ms Tset Input pin setup time 0 ns Thold Input pin hold time 15 20 25 ns Tdelay Output pin delay time Cload=20pF 45 50 55 ns Tiod I/O delay for EMI enable Cload=150pF 4 5 6 ns Ttrr1 Rising time for EMI enable Cload=150pF 190 200 210 ns Ttrf1 Falling time for EMI enable Cload=150pF 190 200 210 ns Ttrr2 Rising time for EMI enable Cload=300pF 380 400 420 ns Ttrf2 Falling time for EMI enable Cload=300pF 380 400 420 ns Tdrc ERC delay time Ta = 25 °C 1 3 5 ns *Data in Typ. is measured at 5V ,25 °C * N= selected prescaler ratio. This specification is subject to change without prior notice. 10.21.2004 (V1.0) 38 |
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