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參數資料
| 型號： | ICS9117-01 |
| 英文描述： | Frequency Generator for Modem Systems |
| 中文描述： | 頻率發生器調制解調器系統 |
| 文件頁數： | 1/5頁 |
| 文件大小： | 68K |
| 代理商： | ICS9117-01 |
Integrated
Circuit
Systems, Inc.
General Description
The
ICS9117-01
is a low-cost, high-performance frequency
generator designed to support fax/data modem systems.
Datapump and UART clocks are synthesized from a
microcontroller crystal using high-accuracy, low-jitter PLLs,
meeting the frequency tolerance and -96dB signal-to-noise
ratios required by 16-bit DSP modem systems. Fast output
clock edge rates minimize board induced jitter.
Features
Generates the 14.7456 MHz microcontroller, 40.320
MHz datadump and 1.84320 UART clocks
Less than ±80 ppm frequency variation including
temperature, voltage, load and aging tolerances
Single crystal reference minimizes crystal reliability
and inventory issues
80 ps one sigma jitter maintains 16-bit performance
Output rise/fall times less than 1.5 ns
On-chip loop filter components
3.0 V - 5.5 V supply range
8-pin, 150-mil SOIC package
Applications
Specifically designed to support the high performance
of fax/data modems
XTAL
OSC
PCLK
UCLK
MCLK
PLL
CLOCK
GEN
÷8
X2
14.7456
MHz
X1
PD
9117-01
RevA
052297P
Pentium is a trademark of Intel Corporation
PowerPC is a trademark of Motorola Corporation
Frequency Generator for Modem Systems
ICS9117-01
Exact frequency multiplying ratios ensure better than ±80
ppm frequency accuracy using a standard AT crystal with
external load capacitors (typically 33pF ±5% for an 18pF
series load crystal). Achieving ±80ppm over four years
requires the crystal to have 20 ppm initial accuracy, ±20 ppm
temperature and ±5 ppm/year aging coefficients.
Block Diagram
PRODUCT PREVIEW documents contain information on products in the formative or
design phase development. Charactersitic data and other specifications are design
goals. ICS reserves the right to change or discontinue these procucts without notice.
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| ICS9118-01 | Frequency Generator for Digital Video Systems |
| ICS9118-02 | Frequency Generator for Digital Video Systems |
| ICS9118-03 | Frequency Generator for Digital Video Systems |
| ICS9118-04 | Frequency Generator for Digital Video Systems |
相關代理商/技術參數 |
參數描述 |
|---|---|
| ICS9117M-01 | 制造商:ICS 制造商全稱:ICS 功能描述:Frequency Generator for Modem Systems |
| ICS9117M02 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Peripheral IC |
| ICS9118-01 | 制造商:ICS 制造商全稱:ICS 功能描述:Frequency Generator for Digital Video Systems |
| ICS9118-02 | 制造商:ICS 制造商全稱:ICS 功能描述:Frequency Generator for Digital Video Systems |
| ICS9118-03 | 制造商:ICS 制造商全稱:ICS 功能描述:Frequency Generator for Digital Video Systems |
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