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