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参数资料
| 型号： | BU2185F |
| 元件分类： | XO, clock |
| 英文描述： | 36.864 MHz, OTHER CLOCK GENERATOR, PDSO16 |
| 封装： | SOP-16 |
| 文件页数： | 2/6页 |
| 文件大小： | 62K |
| 代理商： | BU2185F |
2
Multimedia ICs
BU2185F
Pin descriptions
Pin No.
1
Pin name
Pin descriptions
Circuit
XTAL1-IN
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 VDD
Analog VDD
Clock output 3 (33.8688MHz)
CLK1 output selector (High: 36.864MHz; Low: 18.432MHz)
Output enable (High: enable; Low: disable)
2
D
XTAL1-OUT
3
D
CTRL2
4
A
AGND
5
—
DGND
6
—
DVDD
7
—
XTAL2-IN
8
D
XTAL2-OUT
9
D
CLK1
10
C
DVDD
11
—
CLK2
12
C
DVDD
13
—
AVDD
14
—
CLK3
15
C
CTRL1
16
A
OE
B
Absolute maximum ratings (Ta = 25°C)
Recommended operating conditions (Ta = 25°C)
Parameter
Symbol
Limits
– 0.5 ~ + 7.0
– 0.5 ~ VDD + 0.5
450
Unit
V
mW
VDD
VIN
Pd
Applied voltage
Input voltage
– 30 ~ + 125
°C
Tstg
Storage temperature
Power dissipation
Does not represent guaranteed performance.
Reduced by 4.5mW for increase in Ta of 1°C over 25°C.
Not designed for radiation resistance.
Parameter
Symbol
Limits
3.0
0.8
× VDD
0.0
– 5
~ 3.6
~ VDD
~ 0.2
× VDD
~ + 70
15 (Max.)
Unit
V
°C
pF
VDD
VIH
VIL
Topr
CL
Power supply voltage
Input high level voltage
Input low level voltage
Operating temperature
Output load
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