Z8523316VSC Equivalent & Substitute Parts

Part Overview

The Z8523316VSC is a specialized interface IC manufactured by Zilog in a 44-PLCC package, part of the EMSCC™ series. This component is classified as obsolete, with 823 pieces currently in stock. The part operates within a 4.5V to 5.5V supply voltage range and is mounted as a surface mount device. Due to its obsolete status, identifying equivalent and substitute parts is essential for system redesign, long-term availability planning, and production continuity.

Key Parameters

Parameter	Value
Manufacturer Part Number	Z8523316VSC
Manufacturer	Zilog
Category	Interface
Package / Case	44-LCC (J-Lead)
Supplier Device Package	44-PLCC
Voltage - Supply	4.5V ~ 5.5V
Mounting Type	Surface Mount
Product Status	Obsolete
RoHS Status	RoHS non-compliant
Moisture Sensitivity Level (MSL)	3 (168 Hours)

Substitute Part Grouping Explanation

Substitution for the Z8523316VSC is determined by the following critical parameters:

Interface Category: All substitute parts must function as specialized interface ICs
Voltage Supply Range: Primary substitutes operate within compatible voltage ranges (4.5V ~ 5.5V or overlapping ranges)
Package Type: Direct substitutes maintain the 44-PLCC package; similar substitutes may use alternative surface mount packages
Mounting Type: Surface mount compatibility is required
Product Status: Active status substitutes ensure long-term availability

The substitute parts are grouped into two categories:

Direct Substitute: Z8523316VSG maintains identical functional specifications, package type, and series designation while offering active product status and improved RoHS compliance.

Similar Substitutes: Parts including 5962-8962902LX, ADP5585ACBZ-00-R7, DP83822HRHBT, DS125DF111SQ, DS2406P+T&R, DS8500-JND+, LMH1219RTWR, and PI4MSD5V9542ALEX provide interface functionality with active status but differ in package configuration, voltage specifications, or application focus.

Parameter Comparison

Part Number	Manufacturer	Category	Package / Case	Voltage - Supply	Mounting Type	Product Status	RoHS Status	MSL
Z8523316VSC	Zilog	Interface	44-LCC (J-Lead)	4.5V ~ 5.5V	Surface Mount	Obsolete	RoHS non-compliant	3 (168 Hours)
Z8523316VSG	Zilog	Interface	44-LCC (J-Lead)	4.5V ~ 5.5V	Surface Mount	Active	ROHS3 Compliant	3 (168 Hours)
5962-8962902LX	Analog Devices Inc.	Interface	24-CDIP (0.300", 7.62mm)	±5V	Through Hole	Active	ROHS3 Compliant	1 (Unlimited)
ADP5585ACBZ-00-R7	Analog Devices Inc.	Interface	16-UFBGA, WLCSP	1.65V ~ 3.6V	Surface Mount	Active	ROHS3 Compliant	1 (Unlimited)
DP83822HRHBT	Texas Instruments	Interface	32-VFQFN Exposed Pad	1.71V ~ 3.45V	Surface Mount	Active	ROHS3 Compliant	2 (1 Year)
DS125DF111SQ	Texas Instruments	Interface	24-WFQFN Exposed Pad	2.5V, 3.3V	Surface Mount	Active	ROHS3 Compliant	3 (168 Hours)
DS2406P+T&R	Analog Devices Inc./Maxim Integrated	Interface	6-SMD, J-Lead	2.8V ~ 6V	Surface Mount	Active	ROHS3 Compliant	1 (Unlimited)
DS8500-JND+	Analog Devices Inc./Maxim Integrated	Interface	20-WQFN Exposed Pad	2.7V ~ 3.6V	Surface Mount	Active	ROHS3 Compliant	1 (Unlimited)
LMH1219RTWR	Texas Instruments	Interface	24-WFQFN Exposed Pad	Not specified	Surface Mount	Active	ROHS3 Compliant	3 (168 Hours)
PI4MSD5V9542ALEX	Diodes Incorporated	Logic	14-TSSOP (0.173", 4.40mm Width)	1.65V ~ 5.5V	Surface Mount	Last Time Buy	ROHS3 Compliant	1 (Unlimited)

Engineering Selection Recommendations

Z8523316VSG is the primary equivalent for Z8523316VSC. Both parts share identical package specifications (44-PLCC), voltage supply range (4.5V ~ 5.5V), and series designation (EMSCC™). The Z8523316VSG offers active product status with 2260 pieces in stock and achieves ROHS3 compliance, addressing the obsolescence and regulatory concerns of the original part.

5962-8962902LX provides interface functionality with active status and superior moisture sensitivity characteristics (MSL 1). However, this part uses a 24-CDIP through-hole package and operates on ±5V supply, requiring PCB redesign and different mounting methodology.

ADP5585ACBZ-00-R7 operates as a keypad and I/O expansion interface with I2C protocol support. Its 16-WLCSP package and 1.65V ~ 3.6V supply range represent significant design changes from the original part.

DP83822HRHBT functions as an Ethernet interface with MII/RMII support, suitable only for applications requiring network connectivity. Its 32-VQFN package and lower voltage range (1.71V ~ 3.45V) necessitate circuit redesign.

DS125DF111SQ serves as a signal retimer interface in 24-WQFN package with 2.5V and 3.3V supply options, applicable only to serial signal conditioning applications.

DS2406P+T&R operates as a remote control and metering interface using 1-Wire protocol in a 6-TSOC package. Its 2.8V ~ 6V supply range overlaps with the original part but represents a different functional category.

DS8500-JND+ functions as a HART modem interface in 20-TQFN package with 2.7V ~ 3.6V supply, applicable to industrial communication applications.

LMH1219RTWR provides cable equalization functionality in 24-WQFN package with unspecified voltage supply, suitable for serial signal conditioning.

PI4MSD5V9542ALEX is a multiplexer logic device in 14-TSSOP package with last-time-buy status, offering limited long-term availability despite ROHS3 compliance.

Frequently Asked Questions (FAQ)

Q: Can Z8523316VSG directly replace Z8523316VSC without PCB modifications?

A: Yes. Z8523316VSG maintains identical package specifications (44-PLCC), voltage supply range (4.5V ~ 5.5V), and mounting type (surface mount). No PCB layout changes are required. The primary differences are product status (active vs. obsolete) and RoHS compliance (ROHS3 vs. non-compliant).

Q: Why do substitute parts have different package types?

A: The Z8523316VSC uses a 44-PLCC package, which is a specific surface mount configuration. Similar substitutes employ alternative packages (WLCSP, VQFN, TSSOP, CDIP) based on their functional design and manufacturing standards. Package selection affects PCB footprint, thermal characteristics, and assembly requirements.

Q: What is the significance of MSL (Moisture Sensitivity Level)?

A: MSL indicates the maximum time a component can be exposed to moisture before soldering. MSL 3 (168 hours) requires more careful handling than MSL 1 (unlimited). Several substitutes offer MSL 1, providing greater flexibility in storage and assembly processes.

Q: Are all substitute parts RoHS compliant?

A: The original Z8523316VSC is RoHS non-compliant. All listed substitutes achieve ROHS3 compliance, except PI4MSD5V9542ALEX which is last-time-buy. RoHS compliance is mandatory for many markets and applications.

Q: Can parts with different voltage ranges be used interchangeably?

A: No. The Z8523316VSC operates at 4.5V ~ 5.5V. Substitutes with different voltage ranges (such as ADP5585ACBZ-00-R7 at 1.65V ~ 3.6V or DP83822HRHBT at 1.71V ~ 3.45V) require power supply redesign and cannot be used without circuit modifications.

Q: What is the difference between direct and similar substitutes?

A: Direct substitutes (Z8523316VSG) maintain identical electrical and mechanical specifications, requiring no design changes. Similar substitutes provide interface functionality but differ in package type, voltage range, or application focus, necessitating circuit redesign and validation.

Q: Why is Z8523316VSG preferred over other substitutes?

A: Z8523316VSG is the direct equivalent with identical specifications, active product status, and superior availability (2260 pieces in stock). It eliminates obsolescence risk while maintaining full compatibility with existing designs.

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