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W255 - 200-MHz 24-Output Buffer

General Description

One input to 24-output buffer/driver Supports up to 4 DDR DIMMs or 3 SDRAM DIMMS One additional output for feedback SMBus interface for individual output control Low skew outputs (< 100 ps) Supports 266-, 333-, and 400-MHz DDR SDRAM

Key Features

  • Functional.

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Other Datasheets by Cypress (now Infineon)

Part Number Description
W256 12 Output Buffer for 2 DDR and 3 SRAM DIMMS

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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W255 200-MHz 24-Output Buffer for 4 DDR or 3 SDRAM DIMMS Features Functional Description • One input to 24-output buffer/driver • Supports up to 4 DDR DIMMs or 3 SDRAM DIMMS • One additional output for feedback • SMBus interface for individual output control • Low skew outputs (< 100 ps) • Supports 266-, 333-, and 400-MHz DDR SDRAM • Dedicated pin for power management support • Space-saving 48-pin SSOP package The W255 is a 3.3V/2.5V buffer designed to distribute high-speed clocks in PC applications. The part has 24 outputs. Designers can configure these outputs to support four unbuffered DDR DIMMS or to support three unbuffered standard SDRAM DIMMs and two DDR DIMMS. The W255 can be used in conjunction with the W250 or similar clock synthesizer for the VIA Pro 266 chipset.