SI5332B-D-AM1 Equivalent & Substitute Parts

Part Overview

The SI5332B-D-AM1 is a Clock Generator and Frequency Synthesizer IC manufactured by Skyworks Solutions Inc. under 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 and output formats including Clock, Crystal, LVCMOS, HCSL, LVDS, and LVPECL. The device is Active status and ROHS3 compliant. Substitute parts are identified when equivalent electrical and mechanical parameters are maintained across the same package and functional specifications, ensuring direct interchangeability in circuit designs.

Key Parameters

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

Substitute Part Grouping Explanation

The SI5332A-D-AM1 qualifies as a parametric equivalent to the SI5332B-D-AM1 based on strict alignment of electrical and mechanical specifications. Both devices share identical functional parameters across all critical substitution criteria: same manufacturer (Skyworks Solutions Inc.), same package type (32-VFQFN Exposed Pad with 32-QFN 5x5 footprint), identical maximum frequency (333.33MHz), matching supply voltage range (1.71V ~ 3.46V), same operating temperature range (-40°C ~ 105°C), identical PLL configuration with bypass, matching input/output signal types, and equivalent circuit count (2 circuits). Both devices maintain the same 1:6 input-to-output ratio, differential input/output capability, and divider configuration. Compliance certifications are equivalent: both are ROHS3 compliant with MSL 2 rating and Active product status. These parameters define the substitution boundary for this clock generator category.

Parameter Comparison

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

Engineering Selection Recommendations

Both the SI5332B-D-AM1 and SI5332A-D-AM1 maintain Active product status within the Skyworks Solutions MultiSynth™ series, ensuring continued manufacturer support and availability. Both devices are ROHS3 compliant and carry equivalent MSL 2 moisture sensitivity ratings, meeting identical environmental and regulatory requirements. Selection between these parts should be based on inventory availability and supply chain considerations, as all electrical, mechanical, and compliance parameters are equivalent. The identical 32-QFN (5x5) footprint ensures PCB layout compatibility without modification. Both devices support the same signal input and output configurations, supply voltage range, and operating temperature specifications, confirming direct functional interchangeability in clock generation and frequency synthesis applications.

Frequently Asked Questions (FAQ)

Q: Can SI5332A-D-AM1 replace SI5332B-D-AM1 in existing designs? A: Yes. Both devices share identical electrical specifications, package footprint (32-QFN 5x5), supply voltage range (1.71V ~ 3.46V), maximum frequency (333.33MHz), and operating temperature range (-40°C ~ 105°C). No circuit modifications are required.

Q: Are the pin configurations identical between these parts? A: Both devices use the 32-VFQFN Exposed Pad package with identical pin assignments. PCB layout and footprint remain unchanged.

Q: Do both parts support the same input and output signal types? A: Yes. Both SI5332B-D-AM1 and SI5332A-D-AM1 support Clock, Crystal, and LVCMOS inputs, with HCSL, LVCMOS, LVDS, and LVPECL outputs.

Q: What is the significance of the 1:6 input-to-output ratio? A: This ratio indicates the frequency multiplication capability. Both devices can generate output frequencies up to 6 times the input frequency, with maximum output at 333.33MHz.

Q: Are there any compliance or certification differences? A: No. Both parts are ROHS3 compliant with MSL 2 ratings and Active product status, meeting identical regulatory and environmental standards.

Q: Can these parts be used interchangeably in high-speed applications? A: Yes. Both devices support differential input and output configurations with identical PLL and bypass capabilities, suitable for high-speed clock distribution and frequency synthesis applications.

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