PI74FCT162245ATVE Equivalent & Substitute Parts

Part Overview

The PI74FCT162245ATVE is a non-inverting transceiver logic IC manufactured by Diodes Incorporated, 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 range and is rated for -40°C to 85°C operating temperature. The part is classified as obsolete, making equivalent substitutes necessary for ongoing production and maintenance applications.

Key Parameters

Parameter	Value
Base Product Number	74FCT162245
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
Product Status	Obsolete
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution for the PI74FCT162245ATVE is determined by strict electrical and mechanical compatibility across the following parameters:

Critical Substitution Criteria:

Base product number: 74FCT162245 or 74FCT16245 series
Logic type: Non-inverting transceiver
Element and bit configuration: 2 elements, 8 bits per element
Output type: 3-state
Supply voltage range: 4.5V ~ 5.5V
Operating temperature: -40°C ~ 85°C
Mounting type: Surface mount
RoHS compliance: ROHS3 compliant

Package Compatibility Notes: Substitutes are available in two package variants: 48-BSSOP (0.295" width, 7.50mm) and 48-TFSOP (0.240" width, 6.10mm). Both packages are electrically equivalent but differ in physical dimensions. The original PI74FCT162245ATVE uses 48-BSSOP packaging.

Output Current Consideration: The 74FCT16245 series variants feature higher output current ratings (32mA high, 64mA low) compared to the 74FCT162245 series (24mA, 24mA). These higher-current variants remain functionally compatible for applications not requiring the specific 24mA output current specification.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Package / Case	Current - Output High, Low	Product Status	Inventory (Pcs)
PI74FCT162245ATVE	Diodes Incorporated	48-BSSOP (0.295", 7.50mm)	24mA, 24mA	Obsolete	1080
74FCT162245ATPACT	Texas Instruments	48-TFSOP (0.240", 6.10mm)	24mA, 24mA	Obsolete	3200
74FCT162245ATPAG	Renesas Electronics Corporation	48-TFSOP (0.240", 6.10mm)	24mA, 24mA	Obsolete	1114
74FCT162245ATPVCT	Cypress Semiconductor Corp	48-BSSOP (0.295", 7.50mm)	24mA, 24mA	Active	2060
74FCT162245CTPACT	Texas Instruments	48-TFSOP (0.240", 6.10mm)	24mA, 24mA	Obsolete	873
74FCT162245CTPAG	IDT, Integrated Device Technology Inc	48-TFSOP (0.240", 6.10mm)	24mA, 24mA	Active	2527
74FCT162245CTPAG8	IDT, Integrated Device Technology Inc	48-TFSOP (0.240", 6.10mm)	24mA, 24mA	Active	2175
74FCT16245ATPAG	IDT, Integrated Device Technology Inc	48-TFSOP (0.240", 6.10mm)	32mA, 64mA	Active	6679
74FCT16245ATPAG8	Renesas Electronics Corporation	48-TFSOP (0.240", 6.10mm)	32mA, 64mA	Active	6497
74FCT16245ATPVG	IDT, Integrated Device Technology Inc	48-BSSOP (0.295", 7.50mm)	32mA, 64mA	Active	1310
74FCT16245CTPAG	Renesas Electronics Corporation	48-TFSOP (0.240", 6.10mm)	32mA, 64mA	Active	1319

Engineering Selection Recommendations

Primary Substitutes (Exact Electrical Match): The 74FCT162245 series variants maintain identical output current specifications (24mA, 24mA) to the original PI74FCT162245ATVE. Among these, 74FCT162245ATPVCT (Cypress Semiconductor Corp) is the preferred substitute due to its active product status and availability in the original 48-BSSOP package format. This eliminates potential PCB layout modifications.

Secondary Substitutes (Higher Current Capability): The 74FCT16245 series variants provide enhanced output current ratings (32mA, 64mA) while maintaining full electrical compatibility with the 74FCT162245 specification. These parts are suitable for applications where higher drive capability is beneficial or neutral. The 74FCT16245ATPVG (IDT) offers package compatibility with the original 48-BSSOP format.

Packaging Considerations: Substitutes using 48-TFSOP packaging (0.240" width) require PCB layout verification due to dimensional differences from the original 48-BSSOP (0.295" width). Pin pitch and lead geometry remain compatible across both package types.

Compliance Status: All recommended substitutes maintain ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity ratings, ensuring compatibility with standard manufacturing and storage protocols.

Frequently Asked Questions (FAQ)

Q: Can I use 74FCT16245 variants as direct replacements for 74FCT162245? A: Yes. The 74FCT16245 series is electrically compatible with the 74FCT162245 specification. The primary difference is higher output current capability (32mA, 64mA versus 24mA, 24mA). This enhanced capability does not create incompatibility with existing circuit designs.

Q: What is the difference between 48-BSSOP and 48-TFSOP packages? A: Both are 48-pin surface mount packages with identical pin pitch and electrical connectivity. The 48-BSSOP has a body width of 0.295" (7.50mm), while the 48-TFSOP has a width of 0.240" (6.10mm). PCB footprint verification is required when switching between these package types.

Q: Why are some substitutes listed as obsolete? A: Obsolete parts may still be available from inventory but are no longer in active production. For new designs or long-term production requirements, active status parts such as 74FCT162245ATPVCT, 74FCT162245CTPAG, or 74FCT16245 variants are recommended.

Q: Are all substitutes ROHS3 compliant? A: All listed substitutes maintain ROHS3 compliance and MSL 1 moisture sensitivity ratings, meeting standard environmental and manufacturing requirements.

Q: What determines whether a part can substitute for the PI74FCT162245ATVE? A: Substitution is determined by matching the base product number (74FCT162245 or 74FCT16245), logic type (non-inverting transceiver), element configuration (2 elements, 8 bits per element), output type (3-state), supply voltage range (4.5V ~ 5.5V), operating temperature (-40°C ~ 85°C), and mounting type (surface mount).

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