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BU2280FV bảng dữ liệu(PDF) 4 Page - Rohm |
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BU2280FV bảng dữ liệu(HTML) 4 Page - Rohm |
4 / 25 page 4/24 ◎ BU2362FV(VDD=3.3V, Ta=25℃, Crystal frequency 27.0000MHz, unless otherwise specified.) Parameter Symbol Min. Typ. Max. Unit Conditions Output L voltage VOH 2.4 - - V IOH=-4.0mA Output H voltage VOL - - 0.4 V IOL=4.0mA Action circuit current IDD - 35 45 mA At no load CLK512FS CLK512-44 - 22.5792 - MHz At FSEL1=OPEN XTAL*3136/625/6 CLK512-48 - 24.5760 - MHz At FSEL1=L XTAL*2048/375/6 CLKA CLKA-A - 16.9344 - MHz At FSEL1=OPEN XTAL*3136/625/8 CLKA-B - 36.8640 - MHz At FSEL1=L XTAL*2048/375/8 CLK36M CLK36M - 36.8640 - MHz XTAL*2048/375/4 CLK33M CLK33M - 33.8688 - MHz XTAL*3136/625/4 CLK16M CLK16M - 16.9344 - MHz XTAL*3136/625/8 CLK27M CLK27M - 27.0000 - MHz XTAL direct out Duty Duty 45 50 55 % Measured at a voltage of 1/2 of VDD Period-Jitter 1σ P-J 1σ - 70 - psec *1 Period-Jitter MIN-MAX P-J MIN-MAX - 420 - psec *2 Rise Time Tr - 2.5 - nsec Period of transition time required for the output reach 80% from 20% of VDD. Fall Time Tf - 2.5 - nsec Period of transition time required for the output reach 20% from 80% of VDD. Output Lock-Time Tlock - - 1 msec *3 Note) The output frequency is determined by the arithmetic (frequency division) expression of a frequency input to XTALIN. If the input frequency is set to 27.0000MHz, the output frequency will be as listed above. Common to BU2280FV, BU2288FV, BU2360FV and BU2362FV: *1 Period-Jitter 1σ This parameter represents standard deviation ( 1 ) on cycle distribution data at the time when the output clock cycles are sampled 1000 times consecutively with the TDS7104 Digital Phosphor Oscilloscope of Tektronix Japan, Ltd. *2 Period-Jitter MIN-MAX This parameter represents a maximum distribution width on cycle distribution data at the time when the output clock cycles are sampled 1000 times consecutively with the TDS7104 Digital Phosphor Oscilloscope of Tektronix Japan, Ltd. *3 Output Lock-Time The Lock-Time represents elapsed time after power supply turns ON to reach a 3.0V voltage, after the system is switched from Power-Down state to normal operation state, or after the output frequency is switched, until it is stabilized at a specified frequency, respectively. BU2360FV, BU2288FV 4 This parameter represents lower and upper limit voltages at the Schmitt trigger input PIN having hysteresis characteristics shown in figure below. The width requested by these differences is assumed to be a hysteresis width. 0 Input Voltage [V] VthLVthH Vhys 0.2VDD 0.8VDD |
Số phần tương tự - BU2280FV_08 |
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Mô tả tương tự - BU2280FV_08 |
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