SI5332C-D-AM1 Equivalent & Substitute Parts

Part Overview

The SI5332C-D-AM1 is a Clock Generator and Frequency Synthesizer IC manufactured by Skyworks Solutions Inc. in the MultiSynth™ series. This 32-VFQFN surface mount device generates clock signals up to 333.33MHz with integrated PLL and bypass capability, supporting multiple input types (Clock, Crystal, LVCMOS) and output formats (HCSL, LVCMOS, LVDS, LVPECL). The part is Active status and ROHS3 compliant. Equivalent substitute parts are identified to provide design flexibility, inventory alternatives, and supply chain continuity for applications requiring identical electrical and mechanical specifications.

Key Parameters

Parameter	SI5332C-D-AM1
Manufacturer	Skyworks Solutions Inc.
Category	Clock/Timing
Type	Clock Generator, Frequency Synthesizer
Series	MultiSynth™
Frequency - Max	333.33MHz
Number of Circuits	2
Input Types	Clock, Crystal, LVCMOS
Output Types	HCSL, LVCMOS, LVDS, LVPECL
Ratio - Input:Output	1:6
Differential - Input:Output	Yes/Yes
PLL	Yes with Bypass
Divider/Multiplier	Yes/No
Voltage - Supply	1.71V ~ 3.46V
Operating Temperature	-40°C ~ 105°C (TA)
Mounting Type	Surface Mount
Package / Case	32-VFQFN Exposed Pad
Supplier Device Package	32-QFN (5x5)
Product Status	Active
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	2 (1 Year)

Substitute Part Grouping Explanation

Substitute parts for the SI5332C-D-AM1 are identified as parametric equivalents within the SI5332 base product family. Substitution is valid when all of the following criteria are met:

Identical maximum frequency specification (333.33MHz)
Identical number of circuits (2)
Identical input and output signal types (Clock, Crystal, LVCMOS inputs; HCSL, LVCMOS, LVDS, LVPECL outputs)
Identical input:output ratio (1:6)
Identical differential input and output capability (Yes/Yes)
Identical PLL configuration (Yes with Bypass)
Identical divider/multiplier configuration (Yes/No)
Identical supply voltage range (1.71V ~ 3.46V)
Identical operating temperature range (-40°C ~ 105°C)
Identical package type (32-VFQFN Exposed Pad, 32-QFN 5x5)
Identical mounting type (Surface Mount)
Active product status
ROHS3 compliance
MSL rating of 2 (1 Year)

The SI5332 family variants (SI5332A-D-AM1, SI5332B-D-AM1, SI5332C-D-AM1) share identical electrical and mechanical specifications, differing only in internal revision levels that do not affect functional performance or pin compatibility.

Parameter Comparison

Parameter	SI5332C-D-AM1	SI5332A-D-AM1	SI5332B-D-AM1
Manufacturer	Skyworks Solutions Inc.	Skyworks Solutions Inc.	Skyworks Solutions Inc.
Category	Clock/Timing	Clock/Timing	Clock/Timing
Type	Clock Generator, Frequency Synthesizer	Clock Generator, Frequency Synthesizer	Clock Generator, Frequency Synthesizer
Series	MultiSynth™	MultiSynth™	MultiSynth™
Frequency - Max	333.33MHz	333.33MHz	333.33MHz
Number of Circuits	2	2	2
Input Types	Clock, Crystal, LVCMOS	Clock, Crystal, LVCMOS	Clock, Crystal, LVCMOS
Output Types	HCSL, LVCMOS, LVDS, LVPECL	HCSL, LVCMOS, LVDS, LVPECL	HCSL, LVCMOS, LVDS, LVPECL
Ratio - Input:Output	1:6	1:6	1:6
Differential - Input:Output	Yes/Yes	Yes/Yes	Yes/Yes
PLL	Yes with Bypass	Yes with Bypass	Yes with Bypass
Divider/Multiplier	Yes/No	Yes/No	Yes/No
Voltage - Supply	1.71V ~ 3.46V	1.71V ~ 3.46V	1.71V ~ 3.46V
Operating Temperature	-40°C ~ 105°C (TA)	-40°C ~ 105°C (TA)	-40°C ~ 105°C (TA)
Mounting Type	Surface Mount	Surface Mount	Surface Mount
Package / Case	32-VFQFN Exposed Pad	32-VFQFN Exposed Pad	32-VFQFN Exposed Pad
Supplier Device Package	32-QFN (5x5)	32-QFN (5x5)	32-QFN (5x5)
Product Status	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	2 (1 Year)	2 (1 Year)	2 (1 Year)

Engineering Selection Recommendations

All three parts—SI5332C-D-AM1, SI5332A-D-AM1, and SI5332B-D-AM1—are functionally equivalent and interchangeable at the circuit level. Selection among these variants is based on availability and supply chain considerations:

SI5332C-D-AM1: 729 Pcs in stock
SI5332A-D-AM1: 1900 Pcs in stock
SI5332B-D-AM1: 1449 Pcs in stock

All parts maintain Active product status and ROHS3 compliance. No electrical or mechanical differences exist between variants. Part selection should prioritize inventory availability and lead time requirements for your application.

Frequently Asked Questions (FAQ)

Q: Can SI5332A-D-AM1 or SI5332B-D-AM1 be used as direct replacements for SI5332C-D-AM1?

A: Yes. All three parts are parametric equivalents with identical electrical specifications, output frequency range, input/output signal types, supply voltage, operating temperature range, and 32-VFQFN package configuration. Direct substitution is valid without circuit modification.

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

A: No. All variants use the identical 32-VFQFN Exposed Pad package with 5x5mm footprint. Pin assignments and functionality are identical across SI5332A-D-AM1, SI5332B-D-AM1, and SI5332C-D-AM1.

Q: What determines whether a part can substitute for the SI5332C-D-AM1?

A: Substitution is valid only when a part maintains identical specifications for maximum frequency (333.33MHz), circuit count (2), input/output signal types, supply voltage range (1.71V ~ 3.46V), operating temperature range (-40°C ~ 105°C), package type (32-VFQFN), and compliance certifications (ROHS3, MSL 2).

Q: Do these parts require different PCB layouts or design considerations?

A: No. The identical package footprint and electrical specifications eliminate the need for layout modifications. Existing PCB designs for SI5332C-D-AM1 are fully compatible with SI5332A-D-AM1 and SI5332B-D-AM1.

Q: What is the significance of the revision letter (A, B, C) in the part number?

A: The revision letter indicates internal design iterations within the SI5332 family. These revisions do not affect functional performance, electrical characteristics, or pin compatibility. All revisions meet identical specifications for clock generation applications.

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