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參數(shù)資料
| 型號(hào)： | ASM3I1819FTR |
| 廠商： | ALLIANCE SEMICONDUCTOR CORP |
| 元件分類： | 時(shí)鐘產(chǎn)生/分配 |
| 英文描述： | 40 MHz, OTHER CLOCK GENERATOR, PDSO8 |
| 封裝： | TSSOP-8 |
| 文件頁數(shù)： | 2/8頁 |
| 文件大?。?/td> | 253K |
| 代理商： | ASM3I1819FTR |
Low EMI Clock for Mobile VGA
2 of 8
Octoberr 2003
ASM3P1819A-H
rev 1.0
Notice: The information in this document is subject to change without notice.
Block Diagram
Pin Diagram
Pin Description
Pin Name
Pin#
ASM3P1819A-D
ASM3P1819E-H
Type
Description
1
XIN
I
Connect to externally generated clock signal or crystal.
2
VSS
P
Ground to entire chip.
3
D_C
I
Digital logic input used to select Down (LOW) or Center
(HIGH) spread options (Refer Spread Deviation
Selection Table.) This pin has an internal pull-up
resistor.
3
SRS
I
Spread range select. Digital logic input used to select
frequency deviation (Refer Spread Deviation Selection
Table.)
4
ModOUT
O
Spread spectrum clock output.
5
REF
O
Un-modulated reference output clock of the input
frequency.
6
PD#
I
Power-Down control pin. Pull LOW to enable Power-
Down mode. This pin has an internal pull-up resistor.
7
VDD
REF
P
Connect to +3.3V.
8
XOUT
O
Crystal connection. If connected to an externally
generated clock, this pin must be left unconnected.
XIN
VSS
1
2
3
4
5
6
7
8
SRS
REF
XOUT
PD#
VDD
ModOUT
ASM3P1819A-D
VSS
XIN
Crystal
Oscillator
Frequency
Divider
Feedback
Divider
Modulation
Phase
Detector
Loop
Filter
VCO
Output
Divider
ModOUT
PLL
VDD
D_C
XOUT
PD#
REF
SRS
XIN
VSS
1
2
3
4
5
6
7
8
D_C
REF
XOUT
PD#
VDD
ModOUT
ASM3P1819E-H
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ASM3I1819N-08-SR | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:Low Power Mobile VGA EMI Reduction IC |
| ASM3I1819N-08-ST | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:Low Power Mobile VGA EMI Reduction IC |
| ASM3I1819N-08-TR | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:Low Power Mobile VGA EMI Reduction IC |
| ASM3I1819N-08-TT | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:Low Power Mobile VGA EMI Reduction IC |
| ASM3I1819NF-08-SR | 制造商:PULSECORE 制造商全稱:PulseCore Semiconductor 功能描述:Low Power Mobile VGA EMI Reduction IC |
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