I2042A-08SR 查看數據表（PDF） - Alliance Semiconductor
零件编号
产品描述 (功能)
生产厂家
I2042A-08SR Datasheet PDF : 8 Pages
| |||
August 2005
rev 1.3
Pin Configuration
CLKIN 1
CP0 2
CP1 3
P2042A
VSS 4
8 VDD
7 SR0
6 ModOUT
5 SSON#
P2042A
Pin Description
Pin#
1
2
3
4
5
6
7
8
Pin
Name
CLKIN
CP0
CP1
VSS
SSON#
ModOUT
SR0
VDD
Type
Description
I External reference frequency input. Connect to externally generated reference signal.
I
Digital logic input used to select charge pump current. This pin has an internal pull-up
resistor. Refer Modulation Selection Table.
I
Digital logic input used to select charge pump current. This pin has an internal pull-up
resistor. Refer Modulation Selection Table.
P Ground to entire chip. Connect to system ground.
Digital logic input used to enable Spread Spectrum function (Active LOW). Spread
I Spectrum function enabled when LOW, disabled when HIGH.
This pin has an internal pull-low resistor.
O Spread spectrum clock output.
I Digital logic input used to select Spreading Range. This pin has an internal pull-up resistor.
P Power supply for the entire chip
Modulation Selection
CP0 CP1 SR0
0
0
0
0
0
1
0
1
0
0
1
1
1
0
0
1
0
1
1
1
0
1
1
1
32.5MHz
0.56
1.94
1.36
1.92
1.24
1.91
0.91
1.47
Spreading Range (±%)
54MHz
65MHz
81MHz
1.05
1.00
0.98
1.68
1.56
1.48
1.05
1.00
0.92
1.68
1.56
1.48
0.81
0.66
0.40
1.29
1.02
0.74
0.45
0.34
0.05
0.71
0.54
0.36
108MHz
0.80
1.22
0.67
1.06
0.27
0.43
0.15
0.21
Modulation Rate
(KHz)
(FIN /40) * 62.49
KHz
LCD Panel EMI Reduction IC
Notice: The information in this document is subject to change without notice.
2 of 8
Share Link: 