|
BU2280FV_08 Datasheet, PDF (3/25 Pages) Rohm – DVD-video Reference Clock Generators for Audio/Video Equipments | |||
|
◁ |
âBU2288FVï¼VDD=3.3V, Ta=25â, Crystal frequency 27.0000MHz, unless otherwise specified.ï¼
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
FSEL input VthL
VthL
0.2VDD
-
-
V *4
FSEL input VthH
VthH
-
-
0.8VDD
V *4
Hysteresis range
Vhys
0.2
-
-
V Vhys=VthH-VthL*4
Action circuit current
IDD
-
27.0000 40.5
mA At no load
CLK512FS
CLK512-44
CLK512-48
-
22.5792
-
-
24.5760
-
MHz At FSEL1=OPEN XTALï¼3136/625/6
MHz At FSEL1=L XTALï¼2048/375/6
CLK33M
CLK33M
-
33.8688
-
MHz XTALï¼3136/625/4
CLK16M
CLK16M
-
16.9344
-
MHz XTALï¼3136/625/8
CLK27M
CLK27M
-
27.0000
-
MHz XTAL direct out
CLK A
CLKA-A
CLKA-B
-
16.9344
-
-
36.8640
-
MHz At FSEL1=OPEN XTALï¼3136/625/8
MHz At FSEL1=L XTALï¼2048/375/4
Duty
Duty
45
50
55
%
Measured at a voltage of 1/2 of VDD
Period-Jitter 1Ï
P-J 1Ï
-
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 80ï¼
from 20ï¼
of VDD.
Fall time
Output Lock-Time
Tf
Tlock
-
2.5
-
nsec Period of transition time required for the
output reach 20ï¼
from 80ï¼
of VDD.
-
-
1
msec ï¼3
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.
âBU2360FVï¼VDD=3.3V, Ta=25â, Crystal frequency 27.0000MHz, unless otherwise specified.ï¼
Parameter
Symbol
Min.
Typ.
Max.
Unit Conditions
Output L voltage
VOL
-
-
0.4
V IOL=4.0mA
Output H voltage
VOH
2.4
-
-
V IOH=-4.0mA
FSEL input VthL
VthL
0.2VDD
-
-
V *4
FSEL input VthH
VthH
-
-
0.8VDD
V *4
Hysteresis range
Vhys
0.2
-
-
V
Vhys = VthH - VthL *4
Action circuit current
IDD
-
27.0
40.5
mA At no load
CLK27M
CLK27M
-
27.0000
-
MHz XTAL direct out
CLK33M
CLK33M
-
33.8688
-
MHz XTALÃ3136 / 625 / 4
CLK512FS
CLK512_48
CLK512_44
-
-
24.5760
22.5792
-
-
MHz At FSEL=H, XTALÃ2048 / 375 / 6
MHz At FSEL=L, XTALÃ3136 / 625 / 6
Duty
Duty
45
50
55
% Measured at a voltage of 1/2 of VDD
Period-Jitter 1Ï
P-J 1Ï
-
70
-
psec *1
Period-Jitter
MIN-MAX
P-J
MIN-MAX
-
420
-
psec *2
Rise Time
Fall Time
Output Lock-Time
Tr
Tf
Tlock
-
2.5
-
nsec Period of transition time required for the
output reach 80ï¼
from 20ï¼
of VDD.
-
2.5
-
nsec Period of transition time required for the
output reach 20ï¼
from 80ï¼
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.
3/24
|
▷ |