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BU2190F Datasheet, PDF (2/4 Pages) Rohm – Clock generator for PD | |||
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Multimedia ICs
â¢Pin descriptions
Pin No. Pin name
1
CLK2
2
GND
3
XTALI
4
XTALO
5
BCLK
6
CLK1
7
VDD
8
OE
Function
Clock output 2 (f2 = 40.2192MHz)
Ground
Reference oscillation input
Reference oscillation output
Reference oscillation buffer output (fBCLK = 16.9344MHz)
Clock output 1 (f1 = 59.2704MHz)
VDD
Output enable
OE = H BCLK, CLK1, CLK2, enable
OE = L BCLK, CLK1, disable, CLK2, enable
â¢Absolute maximum ratings (Ta = 25°C)
Parameter
Symbol
Limits
Unit
Applied voltage
VDD
â 0.5 ~ + 7.0
V
Input voltage
VIN
â 0.5 ~ VDD + 0.5
V
Storage temperature
Tstg
â 30 ~ + 125
°C
Power dissipation
PD
450
â Does not represent guaranteed performance
â Reduced by 4.5mW for increase in Ta of 1°C over 25°C.
ẠNot designed for radiation resistance.
mW
â¢Recommended operating conditions (Ta = 25°C)
Parameter
Symbol
Limits
Unit
Power supply voltage
VDD
4.5 ~ 5.5
V
Input high level voltage
VIH
0.8 Ã VDD ~ VDD
V
Input low level voltage
VIL
0.0 ~ 0.2 Ã VDD
V
Operating temperature
Topr
â 5 ~ + 70
°C
Output load
CL
15 (Max.)
pF
BU2190F
Circuit
B
â
C
C
B
B
â
A
2
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