BU2280FV_08 Datasheet, PDF (4/25 Pages) Rohm – DVD-video Reference Clock Generators for Audio/Video Equipments

◎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
CLK512-48
-
22.5792
-
-
24.5760
-
MHz At FSEL1=OPEN XTAL＊3136/625/6
MHz At FSEL1=L XTAL＊2048/375/6
CLKA
CLKA-A
CLKA-B
-
16.9344
-
-
36.8640
-
MHz At FSEL1=OPEN XTAL＊3136/625/8
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
Output Lock-Time
Tf
Tlock
-
2.5
-
nsec ^{Period of transition time required for the}
output reach 20％ from 80％ of VDD.
-
-
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.
0.2VDD
Vhys
0.8VDD
0
VthL
VthH
Input Voltage [V]
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