CY28442 - Clock Generator

Cypress Semiconductor

CY28442 Datasheet Preview — Preview of CY28442 PDF

Datasheet Details

Part number	CY28442
Manufacturer	Cypress Semiconductor
File Size	319.63 KB
Description	Clock Generator
Datasheet	CY28442_CypressSemiconductor.pdf

CY28442 Product details

Description

CY28442 I/O, PU 3.3V LVTTL input for enabling assigned SRC clock (active low) or 100 MHz Serial Reference Clock.Selectable through CLKREQA# defaults to enable/disable SRCT/C4, CLKREQB# defaults to enable/disable SRCT/C5. Assignment can be changed via SMBUS register Byte 8. PWR GND 3.3V power supply for outputs.Ground for outputs.7 6 3,4,5 8 VDD_PCI VSS_PCI PCI ITP_EN/PCIF0 O, SE 33-MHz clock I/O, SE 3.3V LVTTL input to enable SRC7 or CPU2_ITP/33 MHz clock output.(sampled on the VTT_PWRG

Features

Compliant to Intel CK410M.
Supports Intel Pentium-M CPU.
Selectable CPU frequencies.
Differential CPU clock pairs.
100-MHz differential SRC clocks.
96-MHz differential dot clock.
48-MHz USB clocks.
SRC clocks independently stoppable through CLKREQ#[A:B].
96/100 MHz Spreadable differential clock.
33-MHz PCI clock.
Low-voltage frequency select input.
I2C support with readback capabilities.

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Published: Jul 24, 2007 |