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IQXO-404

32.768kHz CMOS Crystal Oscillator

The IQXO-404 is a 32.768khz cmos crystal oscillator from Wurth Elektronik. View the full IQXO-404 datasheet below including key specifications, electrical characteristics.

Official IQXO-404 datasheet (PDF) — the source this page was extracted from.

IQXO-404 Key Specifications

ParameterValue
Ageing±3ppm max per year @ 25°C
Frequency32.768kHz
PackagingTape & reel, 3000 pcs
Duty Cycle40/60 max
Output TypeCMOS
Package Size2.0 x 1.6mm
TerminationsAu over Ni
Start-Up Time10ms max (0.3ms typ)
Supply Current0.200mA max
Supply Voltage1.8V ±5%
Standby Current10µA max (-40 to 85°C), 20µA max (-40 to 125°C)
Reflow Temperature260°C max for 10s max
Rise And Fall Time100ns max
Frequency Stability±100ppm (-40 to 125°C)
Load Drive Capability15pF max
Storage Temperature Range-55°C to 125°C
Operating Temperature Range-40°C to 125°C

IQXO-404 Overview

Part: IQD Part No.: LFSPXO073707 / Wurth Part No. 830207370701

Type: Crystal Clock Oscillator

Description: 32.768kHz miniature 2 x 1.6mm crystal oscillator in an hermetically sealed ceramic package with a seam sealed metal lid, featuring CMOS output and standby operation.

Operating Conditions:

  • Supply voltage: 1.8V ±5%
  • Operating temperature: -40.00 to 125.00°C
  • Frequency: 32.7680kHz

Absolute Maximum Ratings:

  • Max junction/storage temperature: -55 to 125°C

Key Specs:

  • Frequency Stability: ±100.00ppm (-40.00 to 125.00°C)
  • Ageing: ±3ppm max per year @ 25°C
  • Current Draw: 0.200mA max
  • Standby Current: 10 μA max @ -40 to 85°C, 20 μA max @ -40 to 125°C
  • Rise and Fall Time: 100.0ns max
  • Duty Cycle: 40/60 max
  • Start-up Time: 10ms max

Features:

  • Miniature 2 x 1.6mm package
  • Hermetically sealed ceramic package with a seam sealed metal lid
  • CMOS output compatibility
  • Standby operation (Logic '1' or no connection enables, Logic '0' disables)
  • High impedance output when disabled
  • RoHS Terminations: Au over Ni

Package:

  • 2 x 1.6mm ceramic package

IQXO-404 Electrical Characteristics

1.8V ±5%

  • Supply Voltage

0.200mA max

  • Current Draw

Variants on the same datasheet

These parts have exact links to the same datasheet. They are candidates to compare, not verified drop-in replacements; check package, pinout and electrical limits.

Part NumberManufacturerPackage
LFSPXO073707Wurth Elektronik—

Other Crystals & Oscillators

  • LCD-S301C31TR-3 – Lumex, Liquid Crystal Display
  • 9C-16.000MAAJ-T – TXC Corporation, Quartz Crystal
  • ABS07 – Abracon, Tuning Fork Crystal Resonator
  • ABS07-32.768KHZ-T – Abracon, Tuning Fork Crystal Resonator
  • ICS307 – Integrated Device Technology, Serially Programmable Clock Source
  • ICS307-01 – Integrated Device Technology, Serially Programmable Clock Source
  • ICS307-01/02 – Integrated Device Technology, Serially Programmable Clock Source
  • ICS307-02 – Integrated Device Technology, Serially Programmable Clock Source

All Crystals & Oscillators datasheetsAll Wurth Elektronik datasheets (3)

Data on this page is extracted from publicly available manufacturer datasheets using automated tools including AI. It may contain errors or omissions. Always verify specifications against the official manufacturer datasheet before making design or purchasing decisions. See our Terms of Service. Rights holders can submit a takedown request.

Ask your AI agent about the IQXO-404

Connect SheetsData to Claude, Cursor, Codex or any MCP client and your agent reads this datasheet for you: pinout, limits, register maps and design checks, with the numbers taken from the PDF.

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Then ask: "Can the IQXO-404 run from my 12 V rail? Check it against the datasheet limits."

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