AX7MCF3-1000.0000C Equivalent & Substitute Parts

Part Overview

The AX7MCF3-1000.0000C is a 1 GHz XO (Standard) CML Oscillator manufactured by Abracon LLC as part of the ClearClock™ AX7 series. This component operates at 1.8V with Enable/Disable functionality in an 8-SMD, No Lead surface mount package. The part is discontinued at DiGi Electronics, making identification of equivalent alternatives essential for ongoing design support and procurement.

Key Parameters

Parameter	Value
Manufacturer	Abracon LLC
Series	ClearClock™ AX7
Frequency	1 GHz
Output Type	CML
Supply Voltage	1.8V
Function	Enable/Disable
Frequency Stability	±25ppm
Operating Temperature Range	-40°C ~ 85°C
Package Type	8-SMD, No Lead
Package Dimensions	7.00mm x 5.00mm x 1.90mm (Max Height)
Max Supply Current	68mA
RoHS Status	ROHS3 Compliant
MSL Rating	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the AX7MCF3-1000.0000C is determined by strict equivalence across the following critical parameters:

Frequency: 1 GHz (exact match required)
Output Type: CML (exact match required)
Supply Voltage: 1.8V (exact match required)
Function: Enable/Disable (exact match required)
Package Type: 8-SMD, No Lead (exact match required)
Operating Temperature Range: -40°C ~ 85°C (exact match required)
Frequency Stability: ±25ppm (exact match required)

The AX7MCF1-1000.0000C meets all substitution criteria as a parametric equivalent within the same ClearClock™ AX7 series from Abracon LLC.

Parameter Comparison

Parameter	AX7MCF3-1000.0000C (Main)	AX7MCF1-1000.0000C (Substitute)
Manufacturer	Abracon LLC	Abracon LLC
Series	ClearClock™ AX7	ClearClock™ AX7
Frequency	1 GHz	1 GHz
Output Type	CML	CML
Supply Voltage	1.8V	1.8V
Function	Enable/Disable	Enable/Disable
Frequency Stability	±25ppm	±25ppm
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C
Package Type	8-SMD, No Lead	8-SMD, No Lead
Package Dimensions	7.00mm x 5.00mm x 1.90mm	7.00mm x 5.00mm x 1.90mm
Max Supply Current	68mA	68mA
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
MSL Rating	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

Both the AX7MCF3-1000.0000C and AX7MCF1-1000.0000C are discontinued at DiGi Electronics. Selection between these parts should be based on current inventory availability and procurement lead times. Both components carry identical electrical specifications, mechanical dimensions, and compliance certifications (ROHS3, REACH Unaffected). The AX7MCF1-1000.0000C currently maintains higher inventory levels (816 Pcs vs. 920 Pcs), which may influence procurement decisions for volume requirements.

Frequently Asked Questions (FAQ)

Q: Can the AX7MCF1-1000.0000C be used as a direct replacement for the AX7MCF3-1000.0000C?

A: Yes. Both parts are parametric equivalents with identical electrical characteristics, frequency output, supply voltage, package type, and operating temperature range. No circuit modifications are required.

Q: Are there any differences in pin configuration between these parts?

A: No differences are specified in the provided parameters. Both use the same 8-SMD, No Lead package with identical dimensions (7.00mm x 5.00mm x 1.90mm max height).

Q: Do both parts meet the same compliance standards?

A: Yes. Both the AX7MCF3-1000.0000C and AX7MCF1-1000.0000C are ROHS3 Compliant, REACH Unaffected, with MSL Rating 1 (Unlimited moisture sensitivity level).

Q: What is the significance of the part number suffix difference (MCF3 vs. MCF1)?

A: The suffix difference indicates internal design variants within the ClearClock™ AX7 series. Both variants meet identical electrical and mechanical specifications for 1 GHz CML oscillator applications.

Q: Are there any supply current differences between these parts?

A: No. Both parts specify a maximum supply current of 68mA and maximum disable current of 67mA.

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