BU2294AF Datasheet, PDF (2/2 Pages) List of Unclassifed Manufacturers – Clock generator IC

Absolute Maximum Ratings (Ta=25˚C)
Parameter
Symbol
Limits
Unit
Power supply voltage
V_DD
+3.0 ~ +3.6
V
Power dissipation
Pd
450 ^*
mW
Operating temperature range Topr
–5 ~ +70
˚C
Storage temperature range Tstg
–30 ~ +125
˚C
* Derating : 4.5mW/˚C for operation above Ta=25˚C.
Recommended Operating Conditions (Ta=25˚C)
Parameter
Power supply voltage
Symbol Min. Typ. Max. Unit
V_DD
3.0
3.3
3.6
V
Electrical characteristics (Unless otherwise noted, Ta=25˚C, Vcc=3.3V, XTAL=17.734475MHz)
Parameter
Operating circuit current
CLKA
CLKB
CLKC
DUTY
Jitter
Symbol Min.
IDD
—
CLKA
—
CLKB
—
CLKC
—
DUTY
45
Jstd1
—
Typ.
30
53.203425
67.735842
4.433619
50
—
Max.
50
—
—
—
55
100
Unit
mA
MHz
MHz
MHz
%
psec
Conditions
No load
XTAL ¥ 120 ∏ 20 ∏ 2
XTAL ¥ 275 ∏ 36 ∏ 2
XTAL ∏ 4
1/2VDD test
Short term Jitter 1s, No load
Block Diagram
17.734475MHz
Oscillation circuit
20divider
120divider
Phase
Comparator
Low-pass
filter
VCO
(Voltage–controlled oscillator)
106.40685MHz
2divider 53.203425MHz
36divider
275divider
Phase
Comparator
Low-pass
filter
VCO
(Voltage-controlled oscillator)
135.471684MHz
2divider 67.735842MHz
4divider
BU2294AF
4.433619MHz