P1727 Просмотр технического описания (PDF) - PulseCore Semiconductor
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P1727 Datasheet PDF : 9 Pages
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April 2007
rev 0.2
Pin Configuration
CLKIN 1
VDD 2
VSS 3
ModOUT 4
P1727
8 PDB
7 NC
6 NC
5 REFOUT
P1727
Table 1 – Power Down Selection
PDB
0
1
Spread Spectrum
N/A
ON
ModOUT
Disabled
Normal
PLL
Disabled
Normal
Mode
Power Down
Normal
Table 2 Frequency Deviation Selection
P/ N
P1727A
P1727B
P1727C
P1727D
Deviation
-1.25%
-1.75%
-2.50%
-3.50%
P/N
P1727E
P1727F
P1727G
P1727H
Deviation
+/-0.625%
+/-0.875%
+/-1.25%
+/-1.75%
Pin Description
Pin#
1
2
3
4
5
6
7
8
Pin Name
CLKIN
VDD
VSS
ModOUT
REFOUT
NC
NC
PDB
Type
I
P
P
O
O
I
Description
External reference frequency input. Connect to externally generated
reference signal.
Connect to +3.3V
Ground Connection. Connect to system ground.
Spread Spectrum Clock output
Reference output.
No connect
No connect
Powerdown Pin.Pull low to disable spread spectrum clock output.
Low Power Notebook LCD Panel EMI Reduction IC
Notice: The information in this document is subject to change without notice.
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