BU2185F ROHM Co. Ltd., BU2185F Datasheet - Page 2

• Manufacturer Part Number: BU2185F
• Description: Clock Generator
• Manufacturer: ROHM Co. Ltd.

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Multimedia ICs
Power supply voltage
Input high level voltage
Input low level voltage
Operating temperature
Output load
Applied voltage
Input voltage
Power dissipation
Storage temperature
Absolute maximum ratings (Ta = 25°C)
Does not represent guaranteed performance.
Not designed for radiation resistance.
Recommended operating conditions (Ta = 25°C)
Pin descriptions
Reduced by 4.5mW for increase in Ta of 1 C over 25 C .
Pin No.
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
Parameter
Parameter
XTAL1-OUT
XTAL2-OUT
XTAL1-IN
XTAL2-IN
Pin name
CTRL2
CTRL1
AGND
DGND
CLK1
CLK2
CLK3
DV
DV
DV
AV
OE
DD
DD
DD
DD
Symbol
Symbol
Topr
Tstg
V
V
V
V
Pd
V
C
DD
DD
IH
IN
IL
L
Reference oscillation input 1 (not used)
Reference oscillation output 1
XTAL setting (Low: XTAL = 36.8MHz mode; High: XTAL = 18.4MHz mode)
Analog GND
Digital GND
Independent power supply for XTAL2-IN and XTAL2-OUT pins
Reference oscillation input 2 (36.864MHz or 18.432MHz)
Reference oscillation output 2
Reference clock output (36.864MHz or 18.432MHz)
Independent power supply for CLK1 output buffer
Clock output 2 (27.000MHz)
Digital V
Analog V
Clock output 3 (33.8688MHz)
CLK1 output selector (High: 36.864MHz; Low: 18.432MHz)
Output enable (High: enable; Low: disable)
0.8
– 0.5 ~ + 7.0
– 0.5 ~ V
– 30 ~ + 125
V
3.0
0.0
– 5
15 (Max.)
DD
DD
DD
Limits
Limits
450
~ 3.6
~ V
~ 0.2
~ + 70
DD
DD
+ 0.5
V
DD
Pin descriptions
Unit
mW
Unit
pF
V
V
V
V
V
C
C
BU2185F
Circuit
—
—
—
—
—
—
D
D
D
D
C
C
C
A
A
B