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ICS9248-168中文資料ICST數(shù)據(jù)手冊PDF規(guī)格書
ICS9248-168規(guī)格書詳情
General Description
The ICS9248-168 is a main clock synthesizer chip for AMD-K7 based note book systems with VIA style chipset. This provides all clocks required for such a system.
Spread spectrum may be enabled through I2C programming. Spread spectrum typically reduces system EMI by 8dB to 10dB. This simplifies EMI qualification without resorting to board design iterations or costly shielding. The ICS9248-168 employs a proprietary closed loop design, which tightly controls the percentage of spreading over process and temperature variations.
Serial programming I2C interface allows changing functions, stop clock programming and frequency selection.
Output Features:
? 1 - Differential pair open drain CPU clocks
? 1 - CPU clock @ 3.3V
? 7 - SDRAM @ 3.3V
? 8 - PCI @ 3.3V,
? 1 - 48MHz, @ 3.3V fixed.
? 1 - 24/48MHz @ 3.3V
? 3 - REF @ 3.3V, 14.318MHz.
Features:
? Up to 153MHz frequency support
? Support power management: CPU stop and Power down Mode from I2C programming.
? Spread spectrum for EMI control (± 0.25 to ± 0.6 center, or 0 to -0.5 or -1.0 down spread).
? Uses external 14.318MHz crystal
Recommended Application:
VIA KT133 style chipset
| 供應(yīng)商 | 型號 | 品牌 | 批號 | 封裝 | 庫存 | 備注 | 價(jià)格 |
|---|---|---|---|---|---|---|---|
ICS |
02+ |
SSOP-28 |
2900 |
詢價(jià) | |||
ICS |
1922+ |
SSOP-28 |
7869 |
原裝進(jìn)口現(xiàn)貨庫存專業(yè)工廠研究所配單供貨 |
詢價(jià) | ||
INTEGRATE |
2022+ |
1000 |
全新原裝 貨期兩周 |
詢價(jià) | |||
ICS |
23+ |
SSOP-28 |
50000 |
全新原裝正品現(xiàn)貨,支持訂貨 |
詢價(jià) | ||
ICS |
23+ |
SSOP-48 |
4021 |
一級代理原廠VIP渠道,專注軍工、汽車、醫(yī)療、工業(yè)、 |
詢價(jià) | ||
ICS |
23+ |
SSOP48 |
65480 |
詢價(jià) | |||
ICS |
05+ |
原廠原裝 |
4314 |
只做全新原裝真實(shí)現(xiàn)貨供應(yīng) |
詢價(jià) | ||
ICS |
2022 |
SSOP-28 |
80000 |
原裝現(xiàn)貨,OEM渠道,歡迎咨詢 |
詢價(jià) | ||
ICST |
23+ |
NA |
19960 |
只做進(jìn)口原裝,終端工廠免費(fèi)送樣 |
詢價(jià) | ||
ICS |
21+ |
SSOP-28 |
10000 |
原裝現(xiàn)貨假一罰十 |
詢價(jià) |
