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W215B

Cypress Semiconductor
Part Number W215B
Manufacturer Cypress Semiconductor
Description Notebook PC system Frequency Generator
Published Jul 1, 2007
Detailed Description PRELIMINARY W215B Notebook PC System Frequency Generator for K6 Processors Features • Generates system clocks for CPU,...
Datasheet PDF File W215B PDF File

W215B
W215B

Overview
PRELIMINARY W215B Notebook PC System Frequency Generator for K6 Processors Features • Generates system clocks for CPU, IOAPIC, SDRAM, PCI, USB plus 14.
318 MHz (REF0:1) • MODE input pin selects optional power management input control pins (reconfigures pins 26 and 27) • Two fixed outputs separately selectable as 24-MHz or 48-MHz (default = 48-MHz) • VDDQ3 = 3.
3V±5%, VDDQ2 = 3.
3V±5% • Uses external 14.
318-MHz crystal • Available in 48-pin TSSOP (6.
1-mm) • 10Ω CPU output impedance Table 1.
Pin Selectable Frequency 95/100_SEL 0 1 CPU, SDRAM Clocks (MHz) 95.
0 100.
0 PCI Clocks CPU/3 CPU/3 Block Diagram VDDQ3 REF0 X1 X2 XTAL OSC PLL Ref Freq VDDQ2 IOAPIC VDDQ2 CPU0 CPU_2.
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