Features
- Four 0.7V HCSL differential output pairs
- Phase jitter: PCIe Gen3 < 1ps rms
- Phase jitter: PCIe Gen2 < 3.1ps rms
- Phase jitter: PCIe Gen1 < 86ps peak-to-peak
- Supports Zero Delay Buffer mode and Fanout mode
- Bandwidth programming available
- 33MHz to 110MHz operation in PLL mode
- 10MHz to 110MHz operation in Bypass mode
Description
The 9DB433 zero delay buffer (ZDB) supports PCIe Gen3 requirements while being backward compatible with PCIe Gen2 and Gen1. The 9DB433 is driven by a differential SRC output pair from a 932S421 or 932SQ420 or equivalent main clock generator.
Parameters
| Attributes | Value |
|---|---|
| Diff. Outputs | 4 |
| Diff. Output Signaling | HCSL |
| Output Freq Range (MHz) | 5 - 166.66 |
| Diff. Inputs | 1 |
| Diff. Input Signaling | HCSL |
| Accepts Spread Spec Input | Yes |
| Power Consumption Typ (mW) | 317 |
| Supply Voltage (V) | 3.3 - 3.3 |
| Output Type | HCSL |
| Diff. Termination Resistors | 16 |
| Package Area (mm²) | 42.7, 54.1 |
| Battery Backup | No |
| Battery Seal | No |
| CPU Supervisory Function POR | No |
| Crystal Frequency Trimming | No |
| Frequency Out Pin | No |
| Inputs (#) | 1 |
| Input Freq (MHz) | 50 - 100 |
| Function | Zero Delay Buffer |
| Input Type | HCSL |
| Output Banks (#) | 1 |
| Core Voltage (V) | 3.3 |
| Output Voltage (V) | 0.8 |
| Product Category | PCI Express Clocks |
| Part Number | Status | Samples | Stock | Package | Budgetary Price (USD) | Lead Count (#) | Carrier Type | Moisture Sensitivity Level (MSL) | Qty. per Reel (#) | Qty. per Carrier (#) | Package Area (mm²) | Pkg. Dimensions (mm) | Pb (Lead) Free | Pb Free Category | Temp. Range (°C) | Country of Assembly | Country of Wafer Fabrication |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 9DB433AFILF | Active | Available | In Stock | SSOP | 1ku | $2.01 | 28# | Tube | 1 | 0 | 47# | 54.1mm² | 10.2 x 5.3 x 1.73 | Yes | e3 Sn | -40 to 85°C | MALAYSIA | SINGAPORE |
| 9DB433AFILFT | Active | N/A | In Stock | SSOP | 1ku | $2.01 | 28# | Reel | 1 | 1500# | 0 | 54.1mm² | 10.2 x 5.3 x 1.73 | Yes | e3 Sn | -40 to 85°C | MALAYSIA | SINGAPORE |
| 9DB433AFLF | Active | Available | In Stock | SSOP | 1ku | $1.75 | 28# | Tube | 1 | 0 | 47# | 54.1mm² | 10.2 x 5.3 x 1.73 | Yes | e3 Sn | 0 to 70°C | MALAYSIA | SINGAPORE |
| 9DB433AFLFT | Active | N/A | In Stock | SSOP | 1ku | $1.75 | 28# | Reel | 1 | 1500# | 0 | 54.1mm² | 10.2 x 5.3 x 1.73 | Yes | e3 Sn | 0 to 70°C | MALAYSIA | SINGAPORE |
| 9DB433AGILF | Active | Available | In Stock | TSSOP | 1ku | $2.01 | 28# | Tube | 1 | 0 | 50# | 42.7mm² | 9.7 x 4.4 x 1.0 | Yes | e3 Sn | -40 to 85°C | TAIWAN | SINGAPORE |
| 9DB433AGILFT | Active | N/A | In Stock | TSSOP | 1ku | $2.01 | 28# | Reel | 1 | 2000# | 0 | 42.7mm² | 9.7 x 4.4 x 1.0 | Yes | e3 Sn | -40 to 85°C | TAIWAN | SINGAPORE |
| 9DB433AGLF | Active | Available | In Stock | TSSOP | 1ku | $1.75 | 28# | Tube | 1 | 0 | 50# | 42.7mm² | 9.7 x 4.4 x 1.0 | Yes | e3 Sn | 0 to 70°C | TAIWAN | SINGAPORE |
| 9DB433AGLFT | Active | N/A | In Stock | TSSOP | 1ku | $1.75 | 28# | Reel | 1 | 2000# | 0 | 42.7mm² | 9.7 x 4.4 x 1.0 | Yes | e3 Sn | 0 to 70°C | TAIWAN | SINGAPORE |
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- Application NotePDF 1.9 MB 7WDXRDKU4E7E-5-57315 May 13, 2014
- Application NotePDF 495 KB 7WDXRDKU4E7E-5-57312 May 12, 2014
- Application NotePDF 442 KB 7WDXRDKU4E7E-5-57298 May 08, 2014
- Product Change NoticePDF 361 KB 7WDXRDKU4E7E-5-55130 Mar 24, 2013
- Product BriefPDF 378 KB 7WDXRDKU4E7E-6-1169 Aug 14, 2012
- Product Change NoticePDF 611 KB 7WDXRDKU4E7E-5-60321 Apr 14, 2016
- Product Change NoticePDF 611 KB 7WDXRDKU4E7E-5-59927 Feb 15, 2016
- Product Change NoticePDF 596 KB 7WDXRDKU4E7E-5-59884 Jan 28, 2016
- Product Change NoticePDF 544 KB 7WDXRDKU4E7E-5-59710 Nov 13, 2015
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- Application NotePDF 1.99 MB 7WDXRDKU4E7E-5-57242 Mar 01, 2022
- Application NotePDF 1.9 MB 7WDXRDKU4E7E-5-57315 May 13, 2014
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- Product Change NoticePDF 611 KB 7WDXRDKU4E7E-5-60321 Apr 14, 2016
- Product Change NoticePDF 611 KB 7WDXRDKU4E7E-5-59927 Feb 15, 2016
- Product Change NoticePDF 596 KB 7WDXRDKU4E7E-5-59884 Jan 28, 2016
- Product Change NoticePDF 544 KB 7WDXRDKU4E7E-5-59710 Nov 13, 2015
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- Product BriefPDF 378 KB 7WDXRDKU4E7E-6-1169 Aug 14, 2012
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This is the first video in our PCIe series. In this video, we define PCIe architectures, focusing on common and separate clock architectures. Watch the rest of the video series below where Ron will cover the impact of different timing architectures.
In this episode, Ron Wade from IDT (acquired by Renesas) explains PCIe common clocking and its impact on timing solutions. Learn about using a single clock source, fan-out buffers, and the considerations for spread spectrum and non-spread spectrum clocking in PCIe systems.
In this video, we explore PCIe with separate reference clocks and the effects of clock selection. Learn how separate reference clocks work and their impact on system performance and stability.
This video provides a high-level overview of Separate Reference Clock with Independent Spread (SRIS) architectures for PCI Express systems, additional performance requirements that this clocking architecture imposes on the reference clocks, and some system implications encountered trying to implement the architecture.
IDT (acquired by Renesas) engineer provides a brief tutorial on why zero delay buffers (ZDBs) are offered with two different bandwidths (1 MHz and 3 MHz). The reason has to do with jitter peaking when cascading PLLs.
Presented by Ron Wade, PCI Express timing expert.
Support Communities
-
9DB433 issue
We are using a 9DB433 on a design and have noticed several boards with the same issue. The part is a 1:4 clock driver part, where we supply 100 MHz differential to the input. At some point, the output stops producing 100 MHz and outputs 12.8 MHz on ...
Feb 14, 2026 -
FIT data or FIT rate 9DB433AFILF or 9DB433AFLFT
Hello to all!! Where can I get the FIT rate of parts 9DB433AFLFT or 9DB433AFILF at the Renesas web site? best regards
Apr 13, 2023 -
Is it a normal marking of the chip?
hello all, I have a question about IDT product which part number is 9DB433AGLFT. The first lind of the marking is GR20858 while the secend line is 2117. Is it a normal marking of this chip？ In addition, they have a different x-ray image when another marking is "GR20549PY ...
Jul 30, 2021
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