BU2365FV
Technical Note
2/16
www.rohm.com
2009.04- Rev.A
2009 ROHM Co., Ltd. All rights reserved.
●Electrical characteristics
VDD=3.3V, Ta=25℃, Crystal frequency (XTAL_IN)=27.000000MHz, at no load, unless otherwise specified.
Parameter
Symbol
Limit
Unit
Condition
Min.
Typ.
Max.
【Consumption circuit current】
IDD
55
71.5
mA
At no output loads
【Output H voltage】
VOH
2.4
V
When current load = -4.0mA
【Output L voltage】
VOL
0.4
V
When current load =4.0mA
【Pull-Up resistance value】
FSEL,OE
Pull-Up R
168
260
578
k
Specified by a current value running
when a voltage of 0V is applied to a
measuring pin. (R=DD/I)
【Pull-Down resistance value】
TEST
Pull-downR
31
48
106
k
Specified by a current value running
when
a
VDD
is
applied
to
a
measuring pin. (R=VDD/I)
【Output frequency】
CLK768FS : FSEL=L
CLK768
FS_L
33.868800
MHz XTAL_IN×(3136/625)/4
CLK768FS : FSEL=H
CLK768
FS_H
36.864000
MHz XTAL_IN×(2048/375)/4
CLK384FS
CLK384
FS
18.432000
MHz XTAL_IN×(2048/375)/8
CLK512FS
CLK512
FS
24.576000
MHz XTAL_IN×(2048/375)/6
CLK54M
54.000000
MHz XTAL_IN×(32/4)/4
【Output waveform】
Duty
Duty1
45
50
55
Measured at a voltage of 1/2 of VDD
Rise time
Tr
2.5
nsec
Period of time required for the output to
reach 80% from 20% of VDD
Fall time
Tf
2.5
nsec
Period of time required for the output to
reach 20% from 80% of VDD
【Jitter】
Period-Jitter 1σ
P-J1
σ
50
psec
1
Period-Jitter MIN-MAX
P-J
MIN-MAX
300
psec
2
【Output Lock-Time】
Tlock
1
msec
3
【Frequency stability】
ΔF/F0
-15
15
ppm T=-10~70℃,VDD=3.3V±0.15V
4
【Frequency sensitivity】
ΔF/Fc
±30
±45
±60
ppm
5
【Frequency sensitivity linearity】
Linearity
-10
10
ppm
5
【Buffer skew】
Tskew_BUF
-500
500
psec
Phase
difference
between
BUF_OUT1 and BUF_OUT2
6
【Buffer delay】
Td_BUF
4
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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