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參數(shù)資料
| 型號(hào)： | ASM3P2855DG-16TR |
| 廠商： | ON Semiconductor |
| 文件頁數(shù)： | 1/7頁 |
| 文件大小： | 0K |
| 描述： | IC CLK GEN NEC FAX 2CHIP 16TSSOP |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 類型： | 時(shí)鐘/頻率發(fā)生器 |
| PLL： | 是 |
| 主要目的： | 傳真系統(tǒng) |
| 輸入： | 時(shí)鐘，晶體 |
| 輸出： | 時(shí)鐘 |
| 電路數(shù)： | 1 |
| 比率 - 輸入:輸出： | 1:9 |
| 差分 - 輸入:輸出： | 無/無 |
| 頻率 - 最大： | 54.8MHz |
| 電源電壓： | 3 V ~ 3.6 V |
| 工作溫度： | 0°C ~ 70°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 16-TSSOP（0.173"，4.40mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 16-TSSOP |
| 包裝： | 帶卷 (TR) |
ASM3P2855D
Custom Clock Generator for
FAX System
2010 SCILLC.
All rights reserved.
Publication Order Number:
OCTOBER 2010 – Rev. 1.1
ASM3P2855/D
Features
Generates Custom Clocks for FAX system from
an inexpensive 24MHz Crystal
3 x 50MHz synchronized clocks
5 x 54.8MHz synchronized clocks
1 x 19.52MHz clock for Scanner
REFOUT Clock
Supply Voltage 3.3 V ± 0.3V
Available in 16L TSSOP, Green package
Product Description
ASM3P2855D is a custom clock generator for FAX system.
ASM3P2855D realizes all the ten clocks required by the
various components and subsystems of the FAX system. It
uses an inexpensive 24MHz crystal as the input to
generate five synchronized 54.8MHz clocks and three
synchronized 50MHz PCI clocks that can be used by CPU,
HDD, PCI Analyzer, ASIC2 and ASIC3, Ethernet, LAN PHY
and for the CPU Timer, a 19.52MHz clock used by ASIC1
for Scanner. The custom clock generator ASM3P2855D
works with a Supply Voltage of 3.3V ± 0.3V. The device is
available in a 16L TSSOP Green package.
Block Diagram
3
50MHz
Crystal
Oscillator
XIN / CLKIN
XOUT
19.52MHz
PLL
VDD
VDD_FOUT
GND
GND_FOUT
54.8MHz
REFOUT
5
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