English
Language : 

BU3071HFV_08 Datasheet, PDF (2/21 Pages) Rohm – Compact 1ch Clock Generators for Digital Cameras
●Recommended Operating Range
Parameter
Symbol
Limit
Unit
Supply voltage
VDD
3.0~3.6
V
Input H voltage
VINH
0.8VDD~VDD
V
Input L voltage
VINL
0.0~0.2VDD
V
Operating temperature
Topr
-5~70
℃
Output load
CL
15(MAX)
pF
●Electrical characteristics
BU3071HFV(Ta=25℃, VDD=3.3V,Crystal frequency=28.6363MHz, unless otherwise specified.)
Parameter
Symbol Min.
Typ.
Max. Unit
Conditions
Output H voltage
VOH
2.8
-
-
V IOH=-4.0mA
Output L voltage
VOL
-
-
0.5
V IOL=4.0mA
Consumption current 1
IDD1
-
10
15
mA OE=H, at no load
Consumption current 2
IDD2
-
1
1.3
mA OE=L
Output frequency
-
54.0000
-
MHz IN*264/35/4
The following parameters represent design guaranteed performance.
Duty
Duty
45
50
55
% Measured at a voltage of 1/2 of VDD
Period-Jitter 1σ
PJsSD
-
50
-
psec ※1
Period-Jitter MIN-MAX PJsABS
-
300
-
psec ※2
Rise time
Period of transition time required for the
tr
-
2.5
-
nsec output to reach 80% from 20% of VDD.
Provided with 15pF output load.
Fall time
Period of transition time required for the
tf
-
2.5
-
nsec output to reach 20% from 80% of VDD.
Provided with 15pF output load.
Output Lock time
tLOCK
-
-
1
msec ※3
Note) The output frequency is determined by the arithmetic (frequency division) expression of a frequency input to IN.If the input
frequency is set to 28.6363MHz, the output frequency will be as listed above.
BU3072HFV(Ta=25℃, VDD=3.3V, Crystal frequency=48.0000MHz, unless otherwise specified.)
Parameter
Symbol
Min.
Typ.
Max. Unit
Conditions
Output H voltage
VOH
2.8
-
-
V IOH=-4.0mA
Output L voltage
VOL
-
-
0.5
V IOL=4.0mA
Consumption current 1
IDD1
-
11
16
mA PD=H, at no load
Consumption current 2
IDD2
-
-
5
μA PD=L
Output frequency
CLK_27
-
27.0000
-
MHz SEL=L, IN*18/8/4
CLK_36
-
36.0000
-
MHz SEL=H, IN*24/8/4
The following parameters represent design guaranteed performance.
Duty
Duty
45
50
55
% Measured at a voltage of 1/2 of VDD
Period-Jitter 1σ
PJsSD
-
35
-
psec ※1
Long-Term-Jitter
MIN-MAX
LTJsABS
-
0.9
1.5
nsec
MIN-MAX of long-term jitter (100 sec
from trigger)
Rise time
Period of transition time required for the
tr
-
2.5
-
nsec output to reach 80% from 20% of VDD.
Provided with 15pF output load.
Fall time
Period of transition time required for the
tf
-
2.5
-
nsec output to reach 20% from 80% of VDD.
Provided with 15pF output load.
Output Lock time
tLOCK
-
-
1
msec ※3
Note) The output frequency is determined by the arithmetic (frequency division) expression of a frequency input to IN.If the input
frequency is set to 48.0000MHz, the output frequency will be as listed above.
2/20