Z8523316ASG Equivalent & Substitute Parts

Part Overview

The Z8523316ASG is a specialized interface integrated circuit manufactured by Zilog in a 44-LQFP (10x10) surface mount package. This component operates within the 4.5V to 5.5V supply voltage range and is part of the EMSCC™ series. The part has reached Last Time Buy status, indicating end-of-life production. Identifying equivalent and substitute parts is necessary to ensure design continuity, maintain supply chain flexibility, and support long-term product availability for applications requiring interface functionality.

Key Parameters

Parameter	Value
Manufacturer Part Number	Z8523316ASG
Manufacturer	Zilog
Category	Interface
Package / Case	44-LQFP (10x10)
Voltage - Supply	4.5V ~ 5.5V
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	3 (168 Hours)
Product Status	Last Time Buy

Substitute Part Grouping Explanation

Substitution of the Z8523316ASG is determined by the following critical parameters: interface category classification, surface mount mounting type, RoHS3 compliance, and functional equivalence within specialized interface applications. The substitute parts listed have been identified based on matching interface functionality and compliance certifications. However, voltage supply ranges, package configurations, and specific application requirements vary across substitute options. Selection must account for these differences in electrical specifications and physical form factors.

The substitute parts are grouped as follows:

Texas Instruments Interface ICs: LM96570SQ/NOPB, LMH0024MAX/NOPB, LMH1219RTWR, TPL9202PWP
Linear Technology Interface IC: LTC4318IUF#PBF
Analog Devices/Maxim Integrated Amplifier: MAX3798ETJ+
Diodes Incorporated Logic Switch: PI4MSD5V9548AZDEX
NXP USA Interface IC: PTN3460BS/F2,518

Parameter Comparison

Part Number	Manufacturer	Category	Package / Case	Voltage - Supply	Mounting Type	RoHS Status	MSL	Product Status
Z8523316ASG	Zilog	Interface	44-LQFP (10x10)	4.5V ~ 5.5V	Surface Mount	ROHS3 Compliant	3 (168 Hours)	Last Time Buy
LM96570SQ/NOPB	Texas Instruments	Interface	32-WQFN (5x5)	1.71V ~ 1.89V	Surface Mount	ROHS3 Compliant	2 (1 Year)	Active
LMH0024MAX/NOPB	Texas Instruments	Interface	16-SOIC (0.154", 3.90mm Width)	3.3V	Surface Mount	ROHS3 Compliant	1 (Unlimited)	Active
LMH1219RTWR	Texas Instruments	Interface	24-WQFN (4x5)	Not Specified	Surface Mount	ROHS3 Compliant	3 (168 Hours)	Active
LTC4318IUF#PBF	Linear Technology	Interface	20-WFQFN Exposed Pad (4x4)	2.25V ~ 5.5V	Surface Mount	Not Specified	Not Specified	Active
MAX3798ETJ+	Analog Devices Inc./Maxim Integrated	Linear, Amplifiers	32-WFQFN Exposed Pad (5x5)	2.85V ~ 3.63V	Surface Mount	ROHS3 Compliant	1 (Unlimited)	Active
PI4MSD5V9548AZDEX	Diodes Incorporated	Logic	24-VFQFN Exposed Pad (4x4)	1.65V ~ 5.5V	Surface Mount	ROHS3 Compliant	1 (Unlimited)	Last Time Buy
PTN3460BS/F2,518	NXP USA Inc.	Interface	56-HVQFN (7x7)	3.3V	Surface Mount	ROHS3 Compliant	3 (168 Hours)	Active
TPL9202PWP	Texas Instruments	Interface	20-PowerTSSOP (0.173", 4.40mm Width)	Not Specified	Surface Mount	ROHS3 Compliant	2 (1 Year)	Active

Engineering Selection Recommendations

Selection of substitute parts for the Z8523316ASG must prioritize Active product status parts to ensure long-term availability and manufacturing support. All listed substitutes maintain ROHS3 compliance, meeting environmental and regulatory requirements equivalent to the original part.

For applications requiring voltage supply compatibility with the original 4.5V to 5.5V range, the LTC4318IUF#PBF offers the closest electrical specification match with its 2.25V to 5.5V operating range. The PI4MSD5V9548AZDEX also supports this voltage range (1.65V to 5.5V) and maintains Active product status.

Package form factor differences must be evaluated against PCB layout constraints. The original 44-LQFP (10x10) package differs significantly from substitute options, ranging from 16-SOIC to 56-HVQFN configurations. Design modifications to accommodate alternative packages are necessary.

Moisture sensitivity levels vary across substitutes. Parts with MSL 1 (Unlimited) such as LMH0024MAX/NOPB and MAX3798ETJ+ offer superior handling flexibility compared to the original MSL 3 (168 Hours) specification.

Frequently Asked Questions (FAQ)

Q: Can the Z8523316ASG be directly replaced with any of these substitute parts without PCB modification?

A: No. The substitute parts use different package configurations (16-SOIC, 20-QFN, 24-WQFN, 32-WQFN, 56-HVQFN) compared to the original 44-LQFP (10x10) package. PCB layout and footprint modifications are required for any substitution.

Q: Which substitute part has the closest voltage supply specification to the original Z8523316ASG?

A: The LTC4318IUF#PBF operates across 2.25V to 5.5V, providing the widest overlap with the original 4.5V to 5.5V range. The PI4MSD5V9548AZDEX (1.65V to 5.5V) also covers this range but with lower minimum voltage specification.

Q: Are all substitute parts RoHS3 compliant?

A: All listed substitute parts are RoHS3 compliant except LTC4318IUF#PBF, for which RoHS status is not specified in available documentation.

Q: What is the significance of Product Status in selecting a substitute?

A: Active status indicates ongoing manufacturing and supply availability. The original Z8523316ASG has Last Time Buy status, meaning production has ended. Selecting Active status substitutes ensures continued component availability for future production runs and design iterations.

Q: How do moisture sensitivity levels affect component handling?

A: MSL ratings determine storage and handling requirements. MSL 1 (Unlimited) parts such as LMH0024MAX/NOPB and MAX3798ETJ+ require no special moisture control. MSL 3 (168 Hours) parts such as the original Z8523316ASG and LMH1219RTWR require controlled humidity storage and have limited floor life after packaging opening.

Q: Which substitute parts are still in Active production status?

A: LM96570SQ/NOPB, LMH0024MAX/NOPB, LMH1219RTWR, LTC4318IUF#PBF, MAX3798ETJ+, PTN3460BS/F2,518, and TPL9202PWP are all Active status parts. Only PI4MSD5V9548AZDEX shares Last Time Buy status with the original part.

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