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9ZML1256 - 2:12 Clock Multiplexer

Download the 9ZML1256 datasheet PDF. This datasheet also covers the 9ZML1245 variant, as both devices belong to the same 2:12 clock multiplexer family and are provided as variant models within a single manufacturer datasheet.

Description

The 9ZML1245/9ZML1255/9ZML1256 devices are third generation enhanced performance 2-input, 12-output clock multiplexers.

Each input clock has software adjustable input-to-output delay when operating in Zero-Delay (ZDB) mode.

Features

  • ensuring that clocks are well behaved with today's ever more complex power-up sequencing. The 9ZML1256 has an SMBus Write Lockout pin for increased device and system security. PCIe Clocking Architectures.
  • Common Clocked (CC).
  • Independent Reference (IR) with and without spread spectrum Key Specifications.
  • Fanout Buffer Mode additive phase jitter:.
  • PCIe Gen5 CC < 15fs RMS.
  • DB2000Q additive jitter < 25fs RMS.
  • QPI/UPI 11.4GB/s < 40fs RMS.
  • IF-UPI add.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (9ZML1245-Renesas.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number 9ZML1256
Manufacturer Renesas
File Size 778.55 KB
Description 2:12 Clock Multiplexer
Datasheet download datasheet 9ZML1256 Datasheet

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.

View original datasheet text
2:12 Clock Multiplexer for PCIe Gen1–5 and UPI 9ZML1245/9ZML1255/ 9ZML1256 Datasheet Description The 9ZML1245/9ZML1255/9ZML1256 devices are third generation enhanced performance 2-input, 12-output clock multiplexers. Each input clock has software adjustable input-to-output delay when operating in Zero-Delay (ZDB) mode. The devices also implement an extensive set of features ensuring that clocks are well behaved with today's ever more complex power-up sequencing. The 9ZML1256 has an SMBus Write Lockout pin for increased device and system security.
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