W256 Datasheet PDF - Cypress Semiconductor 12 Output Buffer for 2 DDR and 3 SRAM DIMMS Specs

W256 - 12 Output Buffer for 2 DDR and 3 SRAM DIMMS

Datasheet Summary

Description

The W256 is a 3.3V/2.5V buffer designed to distribute high-speed clocks in PC applications.

The part has 12 outputs.

Designers can configure these outputs to support 3 unbuffered standard SDRAM DIMMs and 2 DDR DIMMs.

Features

One input to 12 output buffer/drivers.
Supports up to 2 DDR DIMMs or 3 SDRAM DIMMS.
One additional output for feedback.
SMBus interface for individual output control.
Low skew outputs (< 100 ps).
Supports 266 MHz and 333 MHz DDR SDRAM.
Dedicated pin for power management support.
Space-saving 28-pin SSOP package Functional.

Datasheet Details

Part number	W256
Manufacturer	Cypress Semiconductor
File Size	176.35 KB
Description	12 Output Buffer for 2 DDR and 3 SRAM DIMMS
Datasheet	W256 Datasheet
Additional preview pages of the W256 datasheet.

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Full PDF Text Transcription

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W256 12 Output Buffer for 2 DDR and 3 SRAM DIMMS Features • One input to 12 output buffer/drivers • Supports up to 2 DDR DIMMs or 3 SDRAM DIMMS • One additional output for feedback • SMBus interface for individual output control • Low skew outputs (< 100 ps) • Supports 266 MHz and 333 MHz DDR SDRAM • Dedicated pin for power management support • Space-saving 28-pin SSOP package Functional Description The W256 is a 3.3V/2.5V buffer designed to distribute high-speed clocks in PC applications. The part has 12 outputs. Designers can configure these outputs to support 3 unbuffered standard SDRAM DIMMs and 2 DDR DIMMs. The W256 can be used in conjunction with the W250-02 or similar clock synthesizer for the VIA Pro 266 chipset.

Published: Sep 26, 2005 |