DatasheetsPDF.com

CY2254A

Cypress Semiconductor
Part Number CY2254A
Manufacturer Cypress Semiconductor
Description Pentium Processor Compatible Clock Synthesizer/Driver
Published Sep 8, 2010
Detailed Description 4A www.DataSheet4U.com CY2254A Pentium® Processor Compatible Clock Synthesizer/Driver Features • Multiple clock outpu...
Datasheet PDF File CY2254A PDF File

CY2254A
CY2254A

Overview
4A www.
DataSheet4U.
com CY2254A Pentium® Processor Compatible Clock Synthesizer/Driver Features • Multiple clock outputs to meet requirements of most Pentium® motherboards — Four pin-selectable CPU clocks @ 66.
66 MHz, 60.
0 MHz, and 50.
0 MHz for support of Intel Triton™ PCIset based PC — 55.
0 MHz pin-selectable CPU clock also available (−2 option only) — Six PCI clocks at 1/2 CPU Clock frequency — One I/O clock @ 24 MHz — One Keyboard Controller clock @ 12 MHz (−1 option) or one Universal Serial Bus clock @ 48 MHz (−2 option) — Two Ref.
clocks @ 14.
318 MHz — Ref.
14.
318 MHz Xtal oscillator input • CPU clock jitter < 200 ps cycle-to-cycle • Low skew outputs — < 250 ps between CPU clocks — < 250 ps between PCI clocks — < 500 ps between CPU and PCI clocks (−2 option) — CPU clock leads PCI clock by +1 ns min.
to +4 ns max.
(−1 option) • • • • • Freq.
stability = 0.
01% (max.
) Output duty cycle 45% min.
to 55% max.
Test mode support (−1 option only) 3.
3V or 5.
0V operation Internal pull-up r...


Similar Datasheet


Since 2006. D4U Semicon,
Electronic Components Datasheet Search Site. (Privacy Policy & Contact)