|
Part Number
|
CY28342 |
|
Manufacturer
|
Cypress Semiconductor |
|
Description
|
High-performance SiS645/650 Pentium 4 Clock Synthesizer |
|
Published
|
Dec 28, 2005 |
|
Detailed Description
|
42
CY28342 High-performance SiS645/650 Pentium 4 Clock Synthesizer
Features
• • • • • • • Supports Pentium 4-type CPU...
|
|
Datasheet
|
CY28342
|
Overview
42
CY28342 High-performance SiS645/650 Pentium 4 Clock Synthesizer
Features
• • • • • • • Supports Pentium 4-type CPUs 3.
3V power supply Eight copies of PCI clocks One 4-MHz USB clock Two copies of ZCLK clocks One 48-MHz/24-MHz programmable SIO clock Two differential CPU clock pairs • • • • • • • SMBus support with read-back capabilities Spread Spectrum EMI reduction Dial-a-Frequency® features Dial-a-Ratio™ features Dial-a-dB® features 48-pin SSOP and TSSOP packages Watchdog Function
Block Diagram
XIN XOUT PLL1 CPU_STP# IREF FS(0:4) MULT0 VTTPWRGD PCI_STP# PLL2 Power on Latch
/2
Pin Configuration[1]
REF(0:2)
CPU(0:1)T CPU(0:1)C SDCLK AGP(0:1) ZCLK(0:1) PCI(0:5) PCI_F(0:1) 48M 48M_24M#
...
Similar Datasheet