74ACT16245DLRG4 Equivalent & Substitute Parts

Part Overview

The 74ACT16245DLRG4 is a non-inverting transceiver logic IC manufactured by Texas Instruments, featuring 2 elements with 8 bits per element and 3-state output capability. This 48-SSOP surface mount device operates across a 4.5V to 5.5V supply voltage range and is rated for -40°C to 85°C operating temperature. The part is currently discontinued at DiGi Electronics, necessitating identification of functionally equivalent alternatives that maintain identical electrical and mechanical specifications for seamless circuit board integration.

Key Parameters

Parameter	Specification
Logic Type	Transceiver, Non-Inverting
Number of Elements	2
Number of Bits per Element	8
Output Type	3-State
Current - Output High, Low	24mA, 24mA
Voltage - Supply	4.5V ~ 5.5V
Operating Temperature	-40°C ~ 85°C (TA)
Mounting Type	Surface Mount
Package / Case	48-BSSOP (0.295", 7.50mm Width)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the 74ACT16245DLRG4 is determined by strict equivalence across the following critical parameters:

Logic Type: Transceiver, Non-Inverting
Number of Elements: 2
Number of Bits per Element: 8
Output Type: 3-State
Current - Output High, Low: 24mA, 24mA
Voltage - Supply: 4.5V ~ 5.5V
Operating Temperature: -40°C ~ 85°C (TA)
Package / Case: 48-BSSOP (0.295", 7.50mm Width)

All identified substitute parts meet these electrical and mechanical requirements. Substitutes are grouped by product status and manufacturer series to facilitate selection based on availability and supply chain considerations.

Parameter Comparison

Part Number	Manufacturer	Series	Product Status	Logic Type	Elements	Bits/Element	Output Type	Current (mA)	Supply Voltage	Temp Range	Package	Inventory
74ACT16245DLRG4	Texas Instruments	74ACT	Discontinued	Transceiver, Non-Inverting	2	8	3-State	24, 24	4.5V ~ 5.5V	-40°C ~ 85°C	48-BSSOP	1016 Pcs
74ACT16245DLR	Texas Instruments	74ACT	Active	Transceiver, Non-Inverting	2	8	3-State	24, 24	4.5V ~ 5.5V	-40°C ~ 85°C	48-BSSOP	4302 Pcs
74ACT16623DLR	Texas Instruments	74ACT	Obsolete	Transceiver, Non-Inverting	2	8	3-State	24, 24	4.5V ~ 5.5V	-40°C ~ 85°C	48-BSSOP	663 Pcs
74FCT162245ATPVCT	Cypress Semiconductor Corp	74FCT	Active	Transceiver, Non-Inverting	2	8	3-State	24, 24	4.5V ~ 5.5V	-40°C ~ 85°C	48-BSSOP	2060 Pcs
CY74FCT162245TPVCT	Cypress Semiconductor Corp	74FCT	Active	Transceiver, Non-Inverting	2	8	3-State	24, 24	4.5V ~ 5.5V	-40°C ~ 85°C	48-BSSOP	7645 Pcs

Engineering Selection Recommendations

Primary Recommendation: 74ACT16245DLR

The 74ACT16245DLR is the direct functional equivalent of the 74ACT16245DLRG4, manufactured by Texas Instruments in the same 74ACT series. This part maintains active product status with the highest inventory availability (4302 units) among Texas Instruments alternatives. It carries identical electrical specifications, package configuration, and ROHS3 compliance. Selection of this part eliminates cross-manufacturer compatibility considerations.

Secondary Recommendation: CY74FCT162245TPVCT

The CY74FCT162245TPVCT, manufactured by Cypress Semiconductor Corp, provides parametric equivalence with active product status and the highest overall inventory (7645 units). The 74FCT series operates within identical voltage and temperature ranges with matching output current specifications. This option is suitable when supply chain diversification across manufacturers is required.

Alternative Option: 74FCT162245ATPVCT

The 74FCT162245ATPVCT offers equivalent functionality with active status and 2060 units in stock. This Cypress part is functionally interchangeable with the primary recommendation.

Not Recommended: 74ACT16623DLR

The 74ACT16623DLR, while parametrically equivalent, carries obsolete product status with limited inventory (663 units). This part should be avoided for new designs or long-term supply chain planning.

Frequently Asked Questions (FAQ)

Q: Can the 74ACT16245DLR directly replace the 74ACT16245DLRG4 without circuit modification?

A: Yes. Both parts are parametrically identical across all critical electrical and mechanical specifications: logic type, element count, bit width, output type, current ratings, supply voltage range, operating temperature, and 48-BSSOP package configuration. No circuit board layout or schematic changes are required.

Q: What is the difference between the 74ACT and 74FCT series substitutes?

A: Both series meet the specified electrical parameters for this application. The 74ACT series is manufactured by Texas Instruments, while the 74FCT series is manufactured by Cypress Semiconductor Corp. Series selection depends on supply chain availability and manufacturer preference. Electrical performance is equivalent within the specified operating ranges.

Q: Are there packaging differences between substitute options?

A: All substitute parts use the 48-BSSOP (0.295", 7.50mm Width) surface mount package. Mechanical compatibility with existing PCB footprints is maintained across all options.

Q: Why is the 74ACT16623DLR listed as a substitute if it is obsolete?

A: The 74ACT16623DLR meets all parametric equivalence criteria and is included for reference in existing inventory assessments. However, it is not recommended for new procurement due to obsolete status and limited stock availability.

Q: Do all substitute parts carry the same compliance certifications?

A: All substitute parts are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating. REACH and ECCN classifications are consistent across all options. Verify specific compliance documentation with the component supplier for your application requirements.

Q: What inventory considerations should guide part selection?

A: The 74ACT16245DLR offers the highest inventory among Texas Instruments options (4302 units), while the CY74FCT162245TPVCT provides the highest overall availability (7645 units). Selection should account for lead time requirements and supply chain continuity planning.

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