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ACE1501VMTX 데이터시트(PDF) 4 Page - Fairchild Semiconductor |
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ACE1501VMTX 데이터시트(HTML) 4 Page - Fairchild Semiconductor |
4 / 33 page 4 www.fairchildsemi.com ACE1501 Product Family Rev. 1.1 ACE1501 AC Electrical Characteristics, Vcc = 1.8 to 3.6V All measurements are valid for ambient operating temperature unless otherwise stated. 5. The maximum permissible frequency is guaranteed by design but is not 100% tested 6. The parameter is characterized but is not 100% tested, contact Fairchild for additional characterization data. ACE1501 Electrical Characteristics for programming All data valid at ambient temperature between 3.0V and 3.6V. The following characteristics 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. ACE1501 Low Battery Detect (LBD) Characteristics, Vcc = 1.8 to 3.6V ACE1501 Brown-out Reset (BOR) Characteristics, Vcc = 1.8 to 3.6V Parameter Conditions MIN TYP MAX Units Instruction cycle time from internal clock - setpoint 3.3V at +25°C 0.98 1.0 1.02 µs Internal clock frequency variation 1.8V to 3.6V at constant temperature 1.2 % 1.8V to 3.6V at full temperature range (Note 6) 6 % Crystal oscillator frequency (Note 5) 25 MHz External clock frequency (Note 5) 8 MHz EEPROM write time 5.5 10 ms Internal clock start up time (Note 6) 2 ms Oscillator start up time (Note 6) 2400 cycles Parameter Description MIN MAX Units tHI CLOCK high time 500 DC ns tLO CLOCK low time 500 DC ns tDIS SHIFT_IN setup time 100 ns tDIH SHIFT_IN hold time 100 ns tDOS SHIFT_OUT setup time 100 ns tDOH SHIFT_OUT hold time 900 ns TRESET Power On Reset time 3.2 4.5 ms tLOAD1, tLOAD2, tLOAD3, tLOAD4 LOAD timing 5 µs Parameter Conditions MIN TYP MAX Units LBD voltage threshold variation -40°C to +85°C -5 +5 % Parameter Conditions MIN TYP MAX Units BOR voltage threshold variation -40°C to +85°C 1.72 1.83 1.92 V |
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