BU2365FV_08 Datasheet, PDF (2/17 Pages) Rohm – Clock Generator with Built-in VCXO for Audio/Video Equipments

●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
－10～70
℃
Output load
22Pin / 19Pin CL_CLK768FS/384FS
32(MAX)
pF
13Pin , 14Pin
CL_BUFOUT
50(MAX)
pF
18Pin / 24Pin CL_CLK512FS/54M
15(MAX)
pF
● Electrical characteristics
VDD=3.3V, Ta=25℃, Crystal frequency (XTAL_IN)=27.000000MHz, at no load, unless otherwise specified.
Parameter
Symbol
Min.
【Consumption circuit current】
IDD
－
【Output H voltage】
VOH
2.4
【Output L voltage】
VOL
－
Limit
Typ.
55
－
－
Max.
71.5
－
0.4
Unit
Condition
mA At no output loads
V
When current load = -4.0mA
V
When current load =4.0mA
【Pull-Up resistance value】
FSEL、OE
Pull-Up
R
168
260
578
Specified by a current value running
kΩ when a voltage of 0V is applied to a
measuring pin. (R=DD/I)
【Pull-Down resistance value】
TEST
Pull-down
R
31
Specified by a current value running
48
106
kΩ when a VDD is applied to a measuring
pin. (R=VDD/I)
【Output frequency】
CLK768FS：FSEL=L
CLK768FS：FSEL=H
CLK384FS
CLK512FS
CLK54M
【Output waveform】
CLK768
FS_L
－
33.868800
－
MHz ^{XTAL_IN×(3136/625)/4}
CLK768
FS_H
－
36.864000
－
MHz ^{XTAL_IN×(2048/375)/4}
CLK384
FS
－
18.432000
－
MHz ^{XTAL_IN×(2048/375)/8}
CLK512
FS
－
24.576000
－
MHz ^{XTAL_IN×(2048/375)/6}
CLK54M
－
54.000000
－
MHz XTAL_IN×(32/4)/4
Duty
Rise time
Fall time
【Jitter】
Duty1
45
50
55
％
Measured at a voltage of 1/2 of VDD
Tr
－
2.5
－
nsec ^{Period of time required for the output}
to reach 80% from 20% of VDD
Tf
－
2.5
－
nsec ^{Period of time required for the output}
to reach 20% from 80% of VDD
Period-Jitter 1σ
Period-Jitter MIN-MAX
【Output Lock-Time】
【Frequency stability】
【Frequency sensitivity】
【Frequency sensitivity linearity】
P-J1σ
P-J
MIN-MAX
Tlock
ΔF/F0
ΔF/Fc
Linearity
－
－
－
－15
±30
－10
50
300
－
－
±45
－
－
1
15
±60
10
psec ※1
psec ^※2
msec
ppm
ppm
ppm
※3
T=-10 ～ 70 ℃ 、 VDD=3.3V ±
0.15V ※4
※5
※5
【Buffer skew】
【Buffer delay】
Tskew
_BUF
－500
－
Td_BUF
－
4
500
psec ^{Phase difference between}
BUF_OUT1 and BUF_OUT26
8
nsec ^{Phase difference between}
BUF_IN and BUF_OUT
Note) The output frequency is determined by the arithmetic (frequency division) expression of a frequency input to XTAL_IN.
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