參數(shù)資料
型號(hào): P2041A-08TT
廠商: ALLIANCE SEMICONDUCTOR CORP
元件分類: XO, clock
英文描述: Versatile EMI Reduction IC
中文描述: 40.4 MHz, OTHER CLOCK GENERATOR, PDSO8
封裝: TSSOP-8
文件頁(yè)數(shù): 2/9頁(yè)
文件大?。?/td> 285K
代理商: P2041A-08TT
November 2003
rev F
Pin Configuration
P2041A
Versatile EMI Reduction
IC
Notice: The information in this document is subject to change without notice.
2 of 9
Pin Description
Pin#
Pin Name
Type
Description
1
XIN/CLK
I
Connect to crystal or externally generated clock signal.
2
XOUT
SR1
I
I
Connect to crystal. No connect if externally generated clock signal is used.
Digital logic input used to select Spreading Range (see Table 1). This pin
has an internal pull-up resistor.
Ground Connection. Connect to system ground.
Digital logic input used to enable Spread Spectrum function (Active Low).
Spread Spectrum function enable when low. This pin has an internal pull-
low resistor.
Spread Spectrum Clock Output.
Digital logic input used to select Spreading Range (see Table 1). This pin
has an internal pull-up resistor.
Connect to +3.3V or +5.0V
3
4
VSS
SSON
P
I
5
6
ModOUT
SR0
O
I
7
8
VDD
P
Table 1 - Spread Range Selection
FS0
SR0
Spreading Range
Input Frequency
Modulation rate
0
0
1
1
0
1
0
1
+/- 1.50%
+/- 2.50%
+/- 0.50%
+/- 1.00%
(Fin/40)*34.72 KHz
(Fin/40)*34.72 KHz
(Fin/40)*34.72 KHz**
(Fin/40)*34.72 KHz**
0
0
1
1
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