74FCT16245ETPVG Equivalent & Substitute Parts

Part Overview

The 74FCT16245ETPVG is a non-inverting transceiver logic IC manufactured by Renesas Electronics Corporation, featuring 2 elements with 8 bits per element and 3-state output capability. This component is classified as Last Time Buy, indicating end-of-life status. The part operates within the 4.5V to 5.5V supply voltage range and is housed in a 48-BSSOP package. Due to its Last Time Buy status, identifying functionally equivalent substitute parts is essential for design continuity and long-term component availability.

Key Parameters

Parameter	Value
Manufacturer Part Number	74FCT16245ETPVG
Manufacturer	Renesas Electronics Corporation
Logic Type	Transceiver, Non-Inverting
Number of Elements	2
Number of Bits per Element	8
Output Type	3-State
Current - Output High, Low	32mA, 64mA
Voltage - Supply	4.5V ~ 5.5V
Operating Temperature	-40°C ~ 85°C (TA)
Package / Case	48-BSSOP (0.295", 7.50mm Width)
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 74FCT16245ETPVG is determined by strict equivalence across the following critical parameters:

Logic Type: Transceiver, Non-Inverting (must match exactly)
Number of Elements: 2 (must match exactly)
Number of Bits per Element: 8 (must match exactly)
Output Type: 3-State (must match exactly)
Voltage - Supply: 4.5V ~ 5.5V (must match exactly)
Operating Temperature: -40°C ~ 85°C (TA) (must match exactly)
Mounting Type: Surface Mount (must match exactly)
Series: 74FCT (must match exactly)

Substitute parts are grouped into two categories based on package compatibility:

Group 1: 48-BSSOP Package (Direct Pin-Compatible) Parts maintaining the original 48-BSSOP (0.295", 7.50mm Width) package footprint allow direct PCB substitution without layout modification.

Group 2: 48-TFSOP Package (Footprint Variation) Parts using the 48-TFSOP (0.240", 6.10mm Width) package require PCB layout adjustment due to different package dimensions, though electrical functionality remains equivalent.

Parameter Comparison

Part Number	Manufacturer	Logic Type	Elements	Bits/Element	Output Type	Current High/Low (mA)	Supply Voltage	Temp Range	Package	Product Status	MSL
74FCT16245ETPVG	Renesas	Non-Inverting Transceiver	2	8	3-State	32, 64	4.5-5.5V	-40 to 85°C	48-BSSOP	Last Time Buy	3
74FCT162245ATPACT	Texas Instruments	Non-Inverting Transceiver	2	8	3-State	24, 24	4.5-5.5V	-40 to 85°C	48-TFSOP	Obsolete	1
74FCT162245ATPVCT	Cypress Semiconductor	Non-Inverting Transceiver	2	8	3-State	24, 24	4.5-5.5V	-40 to 85°C	48-BSSOP	Active	1
74FCT162245CTPACT	Texas Instruments	Non-Inverting Transceiver	2	8	3-State	24, 24	4.5-5.5V	-40 to 85°C	48-TFSOP	Obsolete	1
74FCT162H245ATPACT	Texas Instruments	Non-Inverting Transceiver	2	8	3-State	24, 24	4.5-5.5V	-40 to 85°C	48-TFSOP	Obsolete	1
74FCT162H245ATPVC	Texas Instruments	Non-Inverting Transceiver	2	8	3-State	24, 24	4.5-5.5V	-40 to 85°C	48-BSSOP	Obsolete	1
74FCT162H245CTPACT	Texas Instruments	Non-Inverting Transceiver	2	8	3-State	24, 24	4.5-5.5V	-40 to 85°C	48-TFSOP	Obsolete	1
74FCT162H245CTPVC	Cypress Semiconductor	Non-Inverting Transceiver	2	8	3-State	24, 24	4.5-5.5V	-40 to 85°C	48-BSSOP	Active	1
CY74FCT162245ATPVC	Cypress Semiconductor	Non-Inverting Transceiver	2	8	3-State	24, 24	4.5-5.5V	-40 to 85°C	48-BSSOP	Active	1
CY74FCT162245CTPVC	Texas Instruments	Non-Inverting Transceiver	2	8	3-State	24, 24	4.5-5.5V	-40 to 85°C	48-BSSOP	Obsolete	1
CY74FCT162245TPACT	Texas Instruments	Non-Inverting Transceiver	2	8	3-State	24, 24	4.5-5.5V	-40 to 85°C	48-TFSOP	Obsolete	1

Engineering Selection Recommendations

For Direct PCB Substitution (48-BSSOP Package):

74FCT162245ATPVCT (Cypress Semiconductor) is the primary recommendation. This part maintains Active product status, ensuring long-term availability and supply chain stability. It provides equivalent electrical functionality with identical package footprint, enabling direct PCB substitution without layout modification. Moisture Sensitivity Level 1 (Unlimited) offers superior handling characteristics compared to the original MSL 3 specification.

74FCT162H245ATPVC (Texas Instruments) and 74FCT162H245CTPVC (Cypress Semiconductor) are functionally equivalent alternatives in 48-BSSOP packaging. However, both carry Obsolete or Last Time Buy status, limiting their suitability for new designs requiring long-term component availability.

CY74FCT162245ATPVC (Cypress Semiconductor) provides an Active status alternative with identical 48-BSSOP package compatibility and equivalent electrical specifications.

For Footprint-Flexible Designs (48-TFSOP Package):

74FCT162245ATPACT (Texas Instruments) is available for applications where PCB layout can accommodate the narrower 48-TFSOP (0.240", 6.10mm Width) package. This option provides equivalent electrical performance with reduced package width, though Obsolete status limits future availability.

Compliance Considerations:

All substitute parts maintain ROHS3 compliance and REACH Unaffected status, ensuring regulatory alignment with the original component. Output current specifications differ between the original part (32mA high, 64mA low) and substitute options (24mA high, 24mA low). Circuit designs must accommodate these current rating variations to ensure proper signal integrity and load driving capability.

Frequently Asked Questions (FAQ)

Q: Can 74FCT162245ATPVCT directly replace 74FCT16245ETPVG on the PCB?

A: Yes, 74FCT162245ATPVCT maintains identical 48-BSSOP package dimensions (0.295", 7.50mm Width) and pin configuration, enabling direct PCB substitution without layout modification. All critical electrical parameters—logic type, element count, bit width, output type, supply voltage, and operating temperature—are equivalent.

Q: What is the difference between 48-BSSOP and 48-TFSOP packages?

A: The 48-BSSOP package measures 0.295" (7.50mm) in width, while the 48-TFSOP package measures 0.240" (6.10mm) in width. Both are surface-mount packages with 48 pins, but the different widths require distinct PCB footprints. Substitution between these packages requires PCB layout modification.

Q: Why do substitute parts show lower output current ratings (24mA vs. 32mA/64mA)?

A: The original 74FCT16245ETPVG specifies 32mA high and 64mA low output current. Substitute parts from Texas Instruments and Cypress Semiconductor specify 24mA for both high and low output. Circuit designs must verify that the reduced current ratings are sufficient for the intended load impedance and signal integrity requirements.

Q: Which substitute part offers the best long-term availability?

A: 74FCT162245ATPVCT (Cypress Semiconductor) and 74FCT162H245CTPVC (Cypress Semiconductor) both carry Active product status, indicating ongoing production and supply chain support. These parts are recommended for new designs requiring extended component availability.

Q: Are all substitute parts ROHS3 compliant?

A: All listed substitute parts maintain ROHS3 compliance and REACH Unaffected status, matching the regulatory compliance profile of the original 74FCT16245ETPVG component.

Q: What does Moisture Sensitivity Level (MSL) mean for component handling?

A: MSL indicates the maximum time a component can remain outside controlled humidity conditions before soldering. The original part specifies MSL 3 (168 hours), while substitute parts specify MSL 1 (Unlimited). MSL 1 provides superior handling flexibility, as components do not require baking before assembly regardless of storage duration.

Q: Can I use a 48-TFSOP package substitute if my PCB is designed for 48-BSSOP?

A: No. The different package widths (0.240" vs. 0.295") require distinct PCB footprints. Using a 48-TFSOP part on a 48-BSSOP footprint will result in misalignment and assembly failure. PCB layout modification is necessary to accommodate 48-TFSOP packages.

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