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ACE12022BEM Datasheet(PDF) 5 Page - Fairchild Semiconductor |
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ACE12022BEM Datasheet(HTML) 5 Page - Fairchild Semiconductor |
5 / 39 page 5 www.fairchildsemi.com ACE1202 Product Family Rev. B.1 Preliminary ACE1202/ACE1202-2 AC Electrical Characteristics VCC = 1.8/2.2/2.7 to 5.5V All measurements valid for ambient operating temperature range unless otherwise stated. Parameter Conditions MIN TYP MAX Units Instruction cycle time from 5.0V at +25 °C 0.9 1.0 1.1 µs internal clock - setpoint Internal clock voltage dependent 3.0V to 5.5V, +5 % frequency variation constant temperature Internal clock temperature 3.0V to 5.5V, +10 % dependent frequency variation full temperature range Internal clock frequency 3.0V to 4.5V, +2 % deviation for 0.5V drop constant temperature Crystal oscillator frequency (Note 6) 4 MHz External clock frequency (Note 7) 4 MHz EEPROM write time 3 10 ms Internal clock start up time (Note 7) 2 ms Oscillator start up time (Note 7) 2400 cycles 6 The maximum permissible frequency is guaranteed by design but not 100% tested. 7 The parameter is guaranteed by design but not 100% tested. Preliminary ACE1202/ACE1202-2 Electrical Characteristics for programming All data following is valid between 4.5V and 5.5V at ambient temperature. The following charac- teristics are guaranteed by design but are not 100% tested. See "EEPROM write time" in the AC Electrical Characteristics for definition of the programming ready time. Parameter Description MIN MAX Units tHI CLOCK high time 500 DC ns t LO CLOCK low time 500 DC ns tDIS SHIFT_IN setup time 100 ns t DIH SHIFT_IN hold time 100 ns tDOS SHIFT_OUT setup time 100 ns t DOH SHIFT_OUT hold time 900 ns tSV1, tSV2 LOAD supervoltage timing 50 µs t LOAD1, tLOAD2, tLOAD3, tLOAD4 LOAD timing 5 µs VSUPERVOLTAGE Supervoltage level 11.5 12.5 V |
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