SI5332A-D-AM2 Equivalent & Substitute Parts

Part Overview

The SI5332A-D-AM2 is a Clock Generator and Frequency Synthesizer IC manufactured by Skyworks Solutions Inc. under the MultiSynth™ series. This device generates precise clock signals up to 333.33MHz with dual output circuits, supporting multiple input and output standards including Clock, Crystal, LVCMOS, HCSL, LVDS, and LVPECL. The part is actively produced and widely used in timing-critical applications requiring programmable frequency synthesis with integrated PLL and bypass functionality. Equivalent substitute parts are identified when identical electrical specifications, package configurations, and compliance certifications are maintained across alternative part numbers from the same manufacturer.

Key Parameters

Parameter	Value
Manufacturer	Skyworks Solutions Inc.
Category	Clock/Timing
Type	Clock Generator, Frequency Synthesizer
Series	MultiSynth™
Frequency - Max	333.33MHz
Number of Circuits	2
Input Options	Clock, Crystal, LVCMOS
Output Options	HCSL, LVCMOS, LVDS, LVPECL
Ratio - Input:Output	2:8
Differential - Input:Output	Yes/Yes
PLL with Bypass	Yes
Divider/Multiplier	Yes/No
Voltage - Supply	1.71V ~ 3.46V
Operating Temperature	-40°C ~ 105°C (TA)
Package / Case	40-VFQFN Exposed Pad
Supplier Device Package	40-QFN (6x6)
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	2 (1 Year)
Product Status	Active

Substitute Part Grouping Explanation

The SI5332B-D-AM2 is identified as a parametric equivalent to the SI5332A-D-AM2 based on strict alignment of the following critical substitution parameters:

Electrical Specifications: Both parts maintain identical maximum frequency output (333.33MHz), dual circuit configuration (2 circuits), input/output signal standards (Clock, Crystal, LVCMOS inputs; HCSL, LVCMOS, LVDS, LVPECL outputs), input-to-output ratio (2:8), differential signaling capability (Yes/Yes), PLL with bypass functionality, supply voltage range (1.71V ~ 3.46V), and operating temperature range (-40°C ~ 105°C).

Package and Mechanical Specifications: Both parts use identical 40-VFQFN Exposed Pad packaging with 40-QFN (6x6) supplier device package configuration and surface mount mounting type.

Compliance and Certifications: Both parts maintain ROHS3 compliance, identical MSL rating (2, 1 Year), and active product status within the MultiSynth™ series.

Parameter Comparison

Parameter	SI5332A-D-AM2	SI5332B-D-AM2	Match
Manufacturer	Skyworks Solutions Inc.	Skyworks Solutions Inc.	Yes
Category	Clock/Timing	Clock/Timing	Yes
Type	Clock Generator, Frequency Synthesizer	Clock Generator, Frequency Synthesizer	Yes
Series	MultiSynth™	MultiSynth™	Yes
Frequency - Max	333.33MHz	333.33MHz	Yes
Number of Circuits	2	2	Yes
Input Options	Clock, Crystal, LVCMOS	Clock, Crystal, LVCMOS	Yes
Output Options	HCSL, LVCMOS, LVDS, LVPECL	HCSL, LVCMOS, LVDS, LVPECL	Yes
Ratio - Input:Output	2:8	2:8	Yes
Differential - Input:Output	Yes/Yes	Yes/Yes	Yes
PLL with Bypass	Yes	Yes	Yes
Divider/Multiplier	Yes/No	Yes/No	Yes
Voltage - Supply	1.71V ~ 3.46V	1.71V ~ 3.46V	Yes
Operating Temperature	-40°C ~ 105°C (TA)	-40°C ~ 105°C (TA)	Yes
Package / Case	40-VFQFN Exposed Pad	40-VFQFN Exposed Pad	Yes
Supplier Device Package	40-QFN (6x6)	40-QFN (6x6)	Yes
Mounting Type	Surface Mount	Surface Mount	Yes
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	Yes
Moisture Sensitivity Level (MSL)	2 (1 Year)	2 (1 Year)	Yes
Product Status	Active	Active	Yes

Engineering Selection Recommendations

Both SI5332A-D-AM2 and SI5332B-D-AM2 are active products from Skyworks Solutions Inc. with full ROHS3 compliance and identical electrical and mechanical specifications. Selection between these parts may be based on inventory availability and supply chain considerations. The SI5332B-D-AM2 currently maintains higher inventory levels (1601 Pcs) compared to SI5332A-D-AM2 (1145 Pcs), which may influence procurement decisions for high-volume applications. Both parts meet identical compliance requirements and are suitable for direct substitution in applications requiring Clock Generator and Frequency Synthesizer functionality within the specified electrical and thermal operating ranges.

Frequently Asked Questions (FAQ)

Q: Can SI5332B-D-AM2 be used as a direct replacement for SI5332A-D-AM2?

A: Yes. Both parts are parametric equivalents with identical electrical specifications, package configurations, and compliance certifications. Direct substitution is supported without circuit modification.

Q: Are the package dimensions identical between SI5332A-D-AM2 and SI5332B-D-AM2?

A: Yes. Both parts use 40-VFQFN Exposed Pad packaging with 40-QFN (6x6) supplier device package configuration, ensuring identical PCB footprint and assembly compatibility.

Q: What is the maximum output frequency for both parts?

A: Both SI5332A-D-AM2 and SI5332B-D-AM2 support maximum output frequency of 333.33MHz with dual independent output circuits.

Q: Do both parts support the same input and output signal standards?

A: Yes. Both parts accept Clock, Crystal, and LVCMOS inputs, and support HCSL, LVCMOS, LVDS, and LVPECL output standards.

Q: What is the supply voltage range for these clock generators?

A: Both parts operate with supply voltage range of 1.71V to 3.46V, supporting low-power and standard voltage applications.

Q: Are both parts RoHS compliant?

A: Yes. Both SI5332A-D-AM2 and SI5332B-D-AM2 are ROHS3 compliant with MSL rating of 2 (1 Year).

Q: What is the operating temperature range?

A: Both parts operate across -40°C to 105°C ambient temperature range, suitable for industrial and extended temperature applications.

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