Features
- Packaged in 28-pin (209 mil) SSOP
- Available in Pb (lead) free annealed package
- Provides all critical timing for the AMD GX2 companion chip
- Four selectable PCI clocks
- Three LPC interface clocks
- One fixed 66 MHz clock
- Two reference clocks
- 48 MHz USB and 48 MHz I/O support
- Power-down mode
- Low EMI Enable reduces EMI radiation on PCI clocks, LCLKS, and 66 MHz clock
- Operating voltage of 3.3 V
Description
The MK1491-09 is a low cost, low jitter, high performance clock synthesizer for AMD's Geode™ GX2 processor for information appliance applications. Using patented analog Phase-Locked Loop (PLL) techniques, the device accepts a 14.318 MHz crystal input to produce multiple output clocks. It provides selectable PCI local bus clocks, 48 MHz clocks for Super I/O and USB, as well as multiple Reference outputs. The device has a power down mode to reduce power consumption.
| Part Number | Status | Samples | Stock | Package | Lead Count (#) | Temp. Grade | Pb (Lead) Free | Carrier Type |
|---|---|---|---|---|---|---|---|---|
| MK1491-09FILN | Obsolete | N/A | Out of Stock | SSOP | 28# | I | Yes | Tube |
| MK1491-09FILNTR | Obsolete | N/A | Out of Stock | SSOP | 28# | I | Yes | Reel |
| MK1491-09FLN | Obsolete | N/A | Out of Stock | SSOP | 28# | C | Yes | Tube |
| MK1491-09FLNTR | Obsolete | N/A | Out of Stock | SSOP | 28# | C | Yes | Reel |
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- End Of Life NoticePDF 859 KB Mar 24, 2022
- Product Change NoticePDF 361 KB 7WDXRDKU4E7E-5-55130 Mar 24, 2013
- Product Change NoticePDF 254 KB 7WDXRDKU4E7E-5-54776 Dec 21, 2012
- Product Change NoticePDF 95 KB 7WDXRDKU4E7E-5-59609 Oct 22, 2015
- Product Change NoticePDF 50 KB 7WDXRDKU4E7E-5-59245 Jul 21, 2015
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- End Of Life NoticePDF 859 KB Mar 24, 2022
- Product Change NoticePDF 95 KB 7WDXRDKU4E7E-5-59609 Oct 22, 2015
- Product Change NoticePDF 50 KB 7WDXRDKU4E7E-5-59245 Jul 21, 2015
- Product Change NoticePDF 361 KB 7WDXRDKU4E7E-5-55130 Mar 24, 2013
- Product Change NoticePDF 254 KB 7WDXRDKU4E7E-5-54776 Dec 21, 2012
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