74FCT573CTSOG Equivalent & Substitute Parts Reference

Part Overview

Manufacturer part number 74FCT573CTSOG from Renesas Electronics Corporation is a D-Type Transparent Latch, classified under the logic IC category. It features a single 8:8 channel latch circuit, tri-state outputs, and operates in the supply voltage range of 4.75V to 5.25V. The IC is housed in a 20-SOIC surface mount package and delivers a propagation delay of 1.5ns. As the product status is "Last Time Buy," sourcing alternatives with matching electrical and mechanical parameters is essential to ensure ongoing design and production requirements can be met in case of supply constraints or obsolescence.

Key Parameters

Parameter	Value
Manufacturer	Renesas Electronics Corporation
Category	Logic
Series	74FCT
Logic Type	D-Type Transparent Latch
Circuit	8:8
Output Type	Tri-State
Voltage - Supply	4.75V ~ 5.25V
Independent Circuits	1
Delay Time - Propagation	1.5ns
Current - Output High, Low	15mA, 48mA
Operating Temperature	-40°C ~ 85°C
Mounting Type	Surface Mount
Package / Case	20-SOIC (0.295", 7.50mm Width)
Supplier Device Package	20-SOIC
RoHS Status	ROHS3 Compliant
REACH Status	REACH Unaffected
Moisture Sensitivity Level (MSL)	1 (Unlimited)
ECCN	EAR99
HTSUS	8542.39.0001

Substitute Part Grouping Explanation

Substitute selection for 74FCT573CTSOG is determined solely by matching the following allowed parameters: logic type (D-Type Transparent Latch), circuit configuration (8:8), output type (Tri-State), supply voltage range (4.75V ~ 5.25V), number of independent circuits (1), propagation delay, output drive current, operating temperature range, mounting type (Surface Mount), and mechanical package (20-SOIC). Only parts meeting these explicit parameters are considered equivalent or substitutes. Product status and compliance requirements (RoHS3, REACH, MSL, ECCN) further validate suitability.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Logic Type	Circuit	Output Type	Voltage - Supply	Independent Circuits	Delay Time - Propagation	Current - Output High, Low	Operating Temperature	Mounting Type	Package / Case	Supplier Device Package	RoHS Status	REACH Status	Moisture Sensitivity Level (MSL)	ECCN	HTSUS	Product Status
74FCT573CTSOG	Renesas Electronics Corporation	D-Type Transparent Latch	8:8	Tri-State	4.75V ~ 5.25V	1	1.5ns	15mA, 48mA	-40°C ~ 85°C	Surface Mount	20-SOIC (0.295", 7.50mm Width)	20-SOIC	ROHS3 Compliant	REACH Unaffected	1 (Unlimited)	EAR99	8542.39.0001	Last Time Buy
CY74FCT2573CTSOC	Texas Instruments	D-Type Transparent Latch	8:8	Tri-State	4.75V ~ 5.25V	1	1.5ns	15mA, 12mA	-40°C ~ 85°C	Surface Mount	20-SOIC (0.295", 7.50mm Width)	20-SOIC	ROHS3 Compliant	REACH Unaffected	1 (Unlimited)	EAR99	8542.39.0001	Active
CY74FCT573ATSOC	Texas Instruments	D-Type Transparent Latch	8:8	Tri-State	4.75V ~ 5.25V	1	2ns	32mA, 64mA	-40°C ~ 85°C	Surface Mount	20-SOIC (0.295", 7.50mm Width)	20-SOIC	ROHS3 Compliant	REACH Unaffected	1 (Unlimited)	EAR99	8542.39.0001	Active
CY74FCT573ATSOCT	Texas Instruments	D-Type Transparent Latch	8:8	Tri-State	4.75V ~ 5.25V	1	2ns	32mA, 64mA	-40°C ~ 85°C	Surface Mount	20-SOIC (0.295", 7.50mm Width)	20-SOIC	ROHS3 Compliant	REACH Unaffected	1 (Unlimited)	EAR99	8542.39.0001	Active
CY74FCT573CTSOC	Texas Instruments	D-Type Transparent Latch	8:8	Tri-State	4.75V ~ 5.25V	1	2ns	32mA, 64mA	-40°C ~ 85°C	Surface Mount	20-SOIC (0.295", 7.50mm Width)	20-SOIC	ROHS3 Compliant	REACH Unaffected	1 (Unlimited)	EAR99	8542.39.0060	Active
CY74FCT573TSOC	Texas Instruments	D-Type Transparent Latch	8:8	Tri-State	4.75V ~ 5.25V	1	2ns	32mA, 64mA	-40°C ~ 85°C	Surface Mount	20-SOIC (0.295", 7.50mm Width)	20-SOIC	ROHS3 Compliant	REACH Unaffected	1 (Unlimited)	EAR99	8542.39.0001	Active
CY74FCT573TSOCT	Texas Instruments	D-Type Transparent Latch	8:8	Tri-State	4.75V ~ 5.25V	1	2ns	32mA, 64mA	-40°C ~ 85°C	Surface Mount	20-SOIC (0.295", 7.50mm Width)	20-SOIC	ROHS3 Compliant	REACH Unaffected	1 (Unlimited)	EAR99	8542.39.0001	Discontinued at Digi-Key

Engineering Selection Recommendations

All listed substitute parts are ROHS3 compliant and REACH unaffected, with a Moisture Sensitivity Level (MSL) of 1 (Unlimited), matching the compliance requirements of 74FCT573CTSOG. All alternatives hold an ECCN classification of EAR99. Substitutes with "Active" product status provide ongoing availability, while the main part is at "Last Time Buy" status. Only parts meeting these explicit inventory, status, and compliance criteria are suitable for direct substitution.

Frequently Asked Questions (FAQ)

Q1: What are the critical parameters for substituting 74FCT573CTSOG?
Substitution is based strictly on logic type, circuit configuration, output type, supply voltage, independent circuits, propagation delay, output current capability, operating temperature range, mounting type, and package.

Q2: Are all substitute parts compatible in terms of mounting and footprint?
All substitutes are specified for surface mount installation in the 20-SOIC (0.295", 7.50mm width) package, matching the main part's mechanical dimensions.

Q3: How does propagation delay affect substitution?
Propagation delay ranges from 1.5ns to 2ns among substitutes. All alternatives are within the explicitly allowed functional range.

Q4: What compliance requirements must substitutes satisfy?
All alternatives listed are ROHS3 compliant, REACH unaffected, and have an unlimited moisture sensitivity level.

Q5: Are all substitute parts currently available?
Availability is indicated by the product status field. "Active" parts are in ongoing production, while the main part is marked "Last Time Buy."

Q6: Does a difference in output current matter for substitution?
Parameter differences are explicitly stated; selection should be based on the requirements of the application as described in the comparison table. Only the listed electrical parameters are considered in this context.

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