參數(shù)資料
型號: BU2191F
英文描述: Miscellaneous Clock Generator
中文描述: 雜項時鐘發(fā)生器
文件頁數(shù): 2/4頁
文件大小: 42K
代理商: BU2191F
2
Multimedia ICs
BU2191F
Pin descriptions
Pin No.
Pin name
Function
1
CLK2
Clock output 2 (f2 = 40MHz)
2
GND
Ground
3
XTALI
Reference oscillation input
4
5
6
7
8
XTALO
BCLK
CLK1
V
DD
AV
DD
Circuit
A
B
B
A
A
Reference oscillation output
Reference oscillation buffer output (fBCLK = 15MHz)
Clock output 1 (f1 = 32MHz)
V
DD
Analog power supply
Absolute maximum ratings (Ta = 25°C)
Parameter
Symbol
Limits
Unit
Applied voltage
V
DD
– 0.5 ~ + 7.0
V
Input voltage
V
IN
– 0.5 ~ V
DD
+ 0.5
V
Storage temperature
Tstg
– 30 ~ + 125
°
C
Power dissipation
Does not represent guaranteed performance
Reduced by 4.5mW for each increase in Ta of 1
°
C over 25
°
C.
s
Not designed for radiation resistance.
P
D
450
mW
Recommended operating conditions (Ta = 25°C)
Parameter
Symbol
Limits
Unit
Power supply voltage
V
DD
4.5 ~ 5.5
V
Input high level voltage
V
IH
0.8V
DD
~ V
DD
V
Input low level voltage
V
IL
0.0 ~ 0.2V
DD
V
Operating temperature
Topr
– 5 ~ + 70
°
C
Output load
CL
15 (Max.)
pF
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