參數(shù)資料
型號(hào): ASM3P2779AF-08SR
廠商: ALLIANCE SEMICONDUCTOR CORP
元件分類: XO, clock
英文描述: Low Power Peak EMI Reducing Solution
中文描述: 30 MHz, OTHER CLOCK GENERATOR, PDSO8
封裝: ROHS COMPLIANT, SOIC-8
文件頁(yè)數(shù): 3/12頁(yè)
文件大小: 180K
代理商: ASM3P2779AF-08SR
September 2005
rev 3.0
Pin Configuration (8-pin SOIC and TSSOP Packages)
Pin Description
Pin#
Pin Name
Type
ASM3P2779A
Low Power Peak EMI Reducing Solution
3 of 12
Notice: The information in this document is subject to change without notice.
Description
1
XIN/CLKIN
I
Crystal connection or external reference frequency input. This pin has dual functions. It
can be connected either to an external crystal or an external reference clock.
Crystal connection. If using an external reference, this pin must be left unconnected.
Power-down control pin. Pull low to enable power-down mode. Connect to VDD if not
used.
No connect.
2
XOUT
PD
NC
O
3
I
4
-
5
VSS
P
Ground connection.
6
ModOUT
O
Spread spectrum clock output.
7
NC
-
No connect.
8
VDD
P
Power supply for the entire chip.
Modulation Profile
Specifications
Description
Specification
13MHz < CLKIN < 30MHz
13MHz < CLKIN < 30MHz
F
IN
/640
For 2.5V Supply
For 3.3V Supply
Frequency Range
Modulation Equation
Frequency Deviation
±1% (Typ) @ 16MHz
VSS
ModOUT
XIN / CLKIN
NC
XOUT
1
2
3
4
5
6
7
8
ASM3P2779A
PD
NC
VDD
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