74ABT16652CSSC Equivalent & Substitute Parts

Part Overview

The 74ABT16652CSSC is a non-inverting transceiver logic IC manufactured by onsemi, featuring 2 elements with 8 bits per element and 3-state output capability in a 56-SSOP package. This component is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement continuity. The part operates within a 4.5V to 5.5V supply voltage range and maintains performance across the -40°C to 85°C temperature range.

Key Parameters

Parameter	Value
Logic Type	Transceiver, Non-Inverting
Number of Elements	2
Number of Bits per Element	8
Output Type	3-State
Current - Output High	32mA
Current - Output Low	64mA
Voltage - Supply	4.5V ~ 5.5V
Operating Temperature	-40°C ~ 85°C (TA)
Mounting Type	Surface Mount
Package / Case	56-BSSOP (0.295", 7.50mm Width)
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution for the 74ABT16652CSSC is determined by strict equivalence across the following critical parameters: logic type (non-inverting transceiver), element count (2), bits per element (8), output configuration (3-state), output current specifications (32mA high, 64mA low), supply voltage range (4.5V ~ 5.5V), operating temperature range (-40°C ~ 85°C), and physical package (56-BSSOP). All substitute parts listed maintain identical electrical and mechanical specifications. Packaging format (tube, tape & reel) and product status (active vs. obsolete) are secondary considerations that do not affect functional compatibility.

Parameter Comparison

Part Number	Manufacturer	Series	Product Status	Logic Type	Elements	Bits/Element	Output Type	I_out High (mA)	I_out Low (mA)	V_supply (V)	Temp Range (°C)	Package	RoHS Status	Inventory (Pcs)
74ABT16652CSSC	onsemi	74ABT	Obsolete	Non-Inverting Transceiver	2	8	3-State	32	64	4.5 ~ 5.5	-40 ~ 85	56-BSSOP	REACH Unaffected	2092
SN74ABT16652DLR	Texas Instruments	74ABT	Active	Non-Inverting Transceiver	2	8	3-State	32	64	4.5 ~ 5.5	-40 ~ 85	56-BSSOP	ROHS3 Compliant	3400
CY74FCT16543CTPVC	Texas Instruments	74FCT	Obsolete	Non-Inverting Transceiver	2	8	3-State	32	64	4.5 ~ 5.5	-40 ~ 85	56-BSSOP	ROHS3 Compliant	1310
CY74FCT16646ATPVC	Texas Instruments	74FCT	Obsolete	Non-Inverting Transceiver	2	8	3-State	32	64	4.5 ~ 5.5	-40 ~ 85	56-BSSOP	ROHS3 Compliant	863
CY74FCT16646CTPVC	Texas Instruments	74FCT	Obsolete	Non-Inverting Transceiver	2	8	3-State	32	64	4.5 ~ 5.5	-40 ~ 85	56-BSSOP	ROHS3 Compliant	827
CY74FCT16652ATPVC	Texas Instruments	74FCT	Obsolete	Non-Inverting Transceiver	2	8	3-State	32	64	4.5 ~ 5.5	-40 ~ 85	56-BSSOP	ROHS3 Compliant	2144
CY74FCT16652CTPVC	Texas Instruments	74FCT	Obsolete	Non-Inverting Transceiver	2	8	3-State	32	64	4.5 ~ 5.5	-40 ~ 85	56-BSSOP	ROHS3 Compliant	1250
CY74FCT16952ATPVC	Texas Instruments	74FCT	Obsolete	Non-Inverting Transceiver	2	8	3-State	32	64	4.5 ~ 5.5	-40 ~ 85	56-BSSOP	ROHS3 Compliant	1364
SN74ABT16470DL	Texas Instruments	74ABT	Active	Non-Inverting Transceiver	2	8	3-State	32	64	4.5 ~ 5.5	-40 ~ 85	56-BSSOP	ROHS3 Compliant	1027
SN74ABT16543DL	Texas Instruments	74ABT	Active	Non-Inverting Transceiver	2	8	3-State	32	64	4.5 ~ 5.5	-40 ~ 85	56-BSSOP	ROHS3 Compliant	1900
SN74ABT16646DL	Texas Instruments	74ABT	Active	Non-Inverting Transceiver	2	8	3-State	32	64	4.5 ~ 5.5	-40 ~ 85	56-BSSOP	ROHS3 Compliant	3080

Engineering Selection Recommendations

For new designs and long-term procurement, prioritize active product status parts: SN74ABT16652DLR, SN74ABT16470DL, SN74ABT16543DL, and SN74ABT16646DL. These Texas Instruments 74ABT series components maintain full production support and ROHS3 compliance certification. SN74ABT16652DLR provides the closest functional match as a direct 74ABT16652 variant with active status and higher inventory availability (3400 pcs).

For existing inventory management or legacy system support, the obsolete 74FCT series parts (CY74FCT16543CTPVC, CY74FCT16646ATPVC, CY74FCT16646CTPVC, CY74FCT16652ATPVC, CY74FCT16652CTPVC, CY74FCT16952ATPVC) remain electrically and mechanically equivalent. All substitute parts carry ROHS3 compliance and REACH unaffected status, matching the regulatory profile of the original component.

Frequently Asked Questions (FAQ)

Q: Can SN74ABT16652DLR directly replace 74ABT16652CSSC in existing designs?

A: Yes. Both parts share identical electrical specifications (2 elements, 8 bits per element, 3-state output, 32mA/64mA output current, 4.5V–5.5V supply, -40°C–85°C operating range) and the same 56-BSSOP package. The primary difference is product status (active vs. obsolete) and packaging format (tape & reel vs. standard).

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

A: Both series maintain identical electrical and mechanical parameters for these part numbers. The 74FCT series parts are obsolete, while 74ABT series parts remain in active production. Series designation reflects internal logic family architecture but does not affect functional compatibility for these specific models.

Q: Are packaging format differences (tube vs. tape & reel) significant for substitution?

A: Packaging format affects procurement and handling but not electrical or mechanical compatibility. Tube packaging is suitable for manual assembly; tape & reel packaging is optimized for automated pick-and-place equipment. The 56-BSSOP physical package dimensions remain constant across all variants.

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

A: SN74ABT16652DLR (Texas Instruments, active status, 3400 pcs inventory) and SN74ABT16646DL (Texas Instruments, active status, 3080 pcs inventory) provide the strongest long-term support. Both are actively manufactured and carry ROHS3 compliance certification.

Q: Do all substitute parts meet the same regulatory requirements?

A: Yes. All listed substitutes carry ROHS3 compliance and REACH unaffected status, matching the regulatory profile of the original 74ABT16652CSSC. ECCN and HTSUS classifications remain consistent across all variants.

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