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32-VFQFPN
Integrated Circuits (ICs)

844003AKI-04LF

Obsolete
Renesas Electronics Corporation

FEMTOCLOCK CRYSTAL-TO-LVDS FREQUENCY SYNTHESIZER

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32-VFQFPN
Integrated Circuits (ICs)

844003AKI-04LF

Obsolete
Renesas Electronics Corporation

FEMTOCLOCK CRYSTAL-TO-LVDS FREQUENCY SYNTHESIZER

Deep-Dive with AI

Technical Specifications

Parameters and characteristics for this part

Specification844003AKI-04LF
Differential - Input:OutputNo/Yes
Frequency - Max [Max]680 MHz
InputLVTTL, Crystal, LVCMOS
Mounting TypeSurface Mount
Number of Circuits1
Operating Temperature [Max]85 °C
Operating Temperature [Min]-40 °C
OutputLVDS
Package / Case32-VFQFN Exposed Pad
PLLYes with Bypass
Ratio - Input:Output [custom]2:3
Supplier Device Package32-VFQFPN (5x5)
TypeFrequency Synthesizer
Voltage - Supply [Max]3.63 V
Voltage - Supply [Min]2.97 V

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

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Description

General part information

844003I-04 Series

The 844003I-04 is a 3 differential output LVDS synthesizer designed to generate Ethernet reference clock frequencies. Using a 19.44MHz, 20MHz or 25MHz, 18pF parallel resonant crystal, the following frequencies can be generated based on the settings of four frequency select pins (DIV_SELA[1:0], DIV_SELB[1:0]): 625MHz, 622.08MHz, 312.5MHz, 250MHz, 156.25MHz, 125MHz and 100MHz. The 844003I-04 has two output banks, Bank A with one differential LVDS output pair and Bank B with two differential LVDS output pairs. The two banks have their own dedicated frequency select pins and can be independently set for the frequencies mentioned above. The 844003I-04 uses our third generation low phase noise VCO technology and can achieve 1ps or lower typical rms phase jitter, easily meeting Ethernet jitter requirements. The 844003I-04 is packaged in a 32-pin VFQFN package.

Documents

Technical documentation and resources