IDT74LVC245APGG Equivalent & Substitute Parts

Part Overview

The IDT74LVC245APGG is a non-inverting transceiver IC manufactured by Renesas Electronics Corporation, designed for 8-bit data bus switching applications with 3-state output capability. This device operates across a supply voltage range of 2.7V to 3.6V and is housed in a 20-TSSOP package. The part is currently classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement continuity.

Key Parameters

Parameter	Value
Manufacturer Part Number	IDT74LVC245APGG
Manufacturer	Renesas Electronics Corporation
Logic Type	Transceiver, Non-Inverting
Number of Elements	1
Number of Bits per Element	8
Output Type	3-State
Current - Output High, Low	24mA, 24mA
Voltage - Supply	2.7V ~ 3.6V
Operating Temperature	-40°C ~ 85°C (TA)
Package / Case	20-TSSOP (0.173", 4.40mm Width)
Mounting Type	Surface Mount
Product Status	Obsolete
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the IDT74LVC245APGG is determined by the following critical parameters:

Functional Equivalence: All substitute parts must be non-inverting transceivers with 1 element, 8 bits per element, and 3-state output capability.

Electrical Compatibility: Supply voltage range must overlap with or exceed the original 2.7V to 3.6V specification. Output current capability must meet or exceed 24mA for both high and low states.

Package Compatibility: All substitutes must use the 20-TSSOP package form factor to ensure direct PCB layout compatibility.

Mechanical Fit: Package dimensions must match 0.173" width (4.40mm) for proper socket and footprint alignment.

Substitute parts are grouped into two categories based on supply voltage range and product status:

Category A - Direct Voltage Range Substitutes (2.7V ~ 3.6V or compatible): Parts with supply voltage specifications that directly support the original operating range.

Category B - Extended Voltage Range Substitutes (1.2V ~ 3.6V or wider): Parts with broader supply voltage specifications that provide backward compatibility with the original design while offering additional flexibility.

Parameter Comparison

Part Number	Manufacturer	Logic Type	Output Current (mA)	Supply Voltage Range	Operating Temperature	Package	Product Status
IDT74LVC245APGG	Renesas Electronics	Transceiver, Non-Inverting	24, 24	2.7V ~ 3.6V	-40°C ~ 85°C	20-TSSOP	Obsolete
74LCX245MTC	onsemi	Transceiver, Non-Inverting	24, 24	2V ~ 3.6V	-40°C ~ 85°C	20-TSSOP	Active
74LCX245MTCX	onsemi	Transceiver, Non-Inverting	24, 24	2V ~ 3.6V	-40°C ~ 85°C	20-TSSOP	Active
74LVC2245APW,118	Nexperia USA Inc.	Transceiver, Non-Inverting	12, 12	1.2V ~ 3.6V	-40°C ~ 125°C	20-TSSOP	Active
74LVC245APW,112	Nexperia USA Inc.	Transceiver, Non-Inverting	24, 24	1.2V ~ 3.6V	-40°C ~ 125°C	20-TSSOP	Obsolete
74LVC245APW,118	NXP Semiconductors	Transceiver, Non-Inverting	24, 24	1.2V ~ 3.6V	-40°C ~ 125°C	20-TSSOP	Active
74LVCH245APW,118	NXP Semiconductors	Transceiver, Non-Inverting	24, 24	1.2V ~ 3.6V	-40°C ~ 125°C	20-TSSOP	Active
MC74LCX245DTG	onsemi	Transceiver, Non-Inverting	24, 24	2V ~ 5.5V	-55°C ~ 125°C	20-TSSOP	Active
MC74LCX245DTR2G	onsemi	Transceiver, Non-Inverting	24, 24	2V ~ 5.5V	-55°C ~ 125°C	20-TSSOP	Active
SN74LVC245ADB	Texas Instruments	Transceiver, Non-Inverting	24, 24	1.65V ~ 3.6V	-40°C ~ 125°C	20-SSOP	Active
SN74LVC245ADBR	Texas Instruments	Transceiver, Non-Inverting	24, 24	1.65V ~ 3.6V	-40°C ~ 125°C	20-SSOP	Active

Engineering Selection Recommendations

Primary Recommendation - Active Status Parts with 20-TSSOP Package:

For direct replacement with identical package form factor, select from the following active parts:

74LCX245MTC or 74LCX245MTCX (onsemi) provide the closest electrical match with 24mA output current and 2V to 3.6V supply range. Both are active products with full manufacturing support.

74LVC245APW,118 (NXP Semiconductors) offers extended supply voltage (1.2V to 3.6V) and expanded operating temperature range (-40°C to 125°C) while maintaining 24mA output current and 20-TSSOP packaging. This part is actively manufactured with high inventory availability.

74LVCH245APW,118 (NXP Semiconductors) provides identical electrical specifications to 74LVC245APW,118 with active product status and the largest available inventory.

MC74LCX245DTR2G (onsemi) supports the widest supply voltage range (2V to 5.5V) and extended temperature range (-55°C to 125°C), suitable for applications requiring enhanced environmental performance.

Secondary Consideration - Package Variant:

SN74LVC245ADBR (Texas Instruments) is functionally equivalent but uses 20-SSOP packaging instead of 20-TSSOP. This part is suitable only if PCB layout can accommodate the 0.209" (5.30mm) width specification. The part is actively manufactured with substantial inventory.

Obsolete Parts - Not Recommended for New Designs:

74LVC245APW,112 (Nexperia USA Inc.) and the original IDT74LVC245APGG are both obsolete. These should not be selected for new designs or long-term procurement strategies.

Frequently Asked Questions (FAQ)

Q: Can I use SN74LVC245ADBR as a direct replacement for IDT74LVC245APGG?

A: SN74LVC245ADBR is functionally equivalent but uses a different package. The 20-SSOP package has a 0.209" width compared to the 20-TSSOP 0.173" width. Direct PCB substitution is not possible without layout modification. However, the electrical specifications are compatible.

Q: What is the difference between 74LVC245APW,118 and 74LVCH245APW,118?

A: Both parts share identical electrical specifications (24mA output current, 1.2V to 3.6V supply, -40°C to 125°C operating range, 20-TSSOP package). The primary difference is the series designation (74LVC versus 74LVCH). Both are active products from NXP Semiconductors suitable for replacement applications.

Q: Why do some substitute parts have lower output current (12mA vs 24mA)?

A: The 74LVC2245APW,118 from Nexperia USA Inc. specifies 12mA output current. This part should only be selected if the application circuit can operate with reduced drive capability. For applications requiring 24mA output current matching the original specification, select parts explicitly rated for 24mA.

Q: Are all substitute parts RoHS compliant?

A: All active substitute parts listed carry RoHS3 compliance certification. The original IDT74LVC245APGG does not specify RoHS status in the provided data.

Q: Which substitute offers the best temperature range coverage?

A: MC74LCX245DTG and MC74LCX245DTR2G (onsemi) both support -55°C to 125°C operating temperature, providing the widest environmental range. These parts are suitable for applications requiring extended temperature performance beyond the original -40°C to 85°C specification.

Q: Can I use parts with extended supply voltage ranges (up to 5.5V) in a 3.6V system?

A: Yes. Parts rated for 2V to 5.5V supply voltage are backward compatible with 3.6V systems. The extended upper limit provides additional design flexibility without compromising operation at the original voltage specification.

Q: What packaging options are available for substitution?

A: All recommended substitutes use 20-TSSOP packaging except SN74LVC245ADBR, which uses 20-SSOP. The 20-TSSOP package maintains identical footprint compatibility with the original IDT74LVC245APGG. The 20-SSOP variant requires PCB layout modification due to different package width.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message