Multimedia ICs
BU2192F
•Electrical characteristics (unless otherwise noted, Ta = 0 to 70°C, VDD (AVDD) = 4.5V to 5.5V, CL Ϲ 15pF,
XTALI [fREF] = 14.3181MHz)
Parameter
Symbol Min. Typ. Max. Unit
Conditions
Input Vth XTALI
Vth
0.8
—
2.2
V
—
Output low level voltage
Output high level voltage
Operating circuit current
Output frequency 1
Output frequency 2
Rise time
Fall time
Jitter
VOL
—
—
0.4
V
lOL = 4.0mA
VOH
VDD – 0.5
—
—
V
lOL = – 4.0mA
IDD
—
30
50
mA fREF = 14.3181MHz, no load
f1
– 100ppm 33.8680 + 100ppm MHz fREF × 123 / 26 / 2
f2
– 100ppm 24.5795 + 100ppm MHz fREF × 103 / 15 / 4
tR
—
—
5
nsec VDD × 0.2 to VDD × 0.8
tF
—
—
5
nsec VDD × 0.8 to VDD × 0.2
J1s
—
80
250 psec 1sigma
Jitter
Power up time
Jabs
tPT
—
300
1
nsec MIN-MAX width
—
—
10
msec ∗
Duty
Duty
45
50
55
% Measure with Vth = 1 / 2VDD
∗ The time for the output to stabilize after the power supply reaches 90% after being turned on.
However, if the power supply rise (to rise condition) takes the entire time, this requirement is satisfied.
•Application example
24.5795MHz
1 CLK2
2 GND
fREF = 14.3181MHz
3 XTALI
4 N.C.
AVDD 8
DVDD 7
N.C. 6
CLK1 5
0.1µF
33.8680MHz
3