CY74FCT162952BTPVC Equivalent & Substitute Parts

Part Overview

The CY74FCT162952BTPVC is a non-inverting transceiver logic integrated circuit manufactured by Texas Instruments. This device features 2 elements with 8 bits per element, 3-state output configuration, and operates across a supply voltage range of 4.5V to 5.5V. The component is housed in a 56-BSSOP surface mount package and is classified as obsolete. Due to its obsolete status, identifying equivalent and substitute parts is essential for design continuity, production support, and long-term component availability.

Key Parameters

Parameter	Value
Manufacturer Part Number	CY74FCT162952BTPVC
Manufacturer	Texas Instruments
Series	74FCT
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	56-BSSOP (0.295", 7.50mm Width)
Mounting Type	Surface Mount
Product Status	Obsolete
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the CY74FCT162952BTPVC are classified based on strict adherence to the following critical parameters:

Primary Substitution Criteria:

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
Package / Case: 56-BSSOP (0.295", 7.50mm Width)
Mounting Type: Surface Mount
Operating Temperature: -40°C ~ 85°C (TA)
RoHS Status: ROHS3 Compliant
Moisture Sensitivity Level (MSL): 1 (Unlimited)

Voltage Supply Compatibility: Substitutes are grouped into two voltage categories:

5.5V Supply Range (4.5V ~ 5.5V): Parts operating within the same supply voltage window as the original CY74FCT162952BTPVC. These include 74ACT series and 74FCT series variants.
Low Voltage Range (1.65V ~ 3.6V): The SN74ALVCH16952DLR operates at reduced supply voltage but maintains identical functional parameters, element count, bit configuration, and output drive capability.

All substitute parts maintain the 56-BSSOP package specification, surface mount configuration, and identical output current ratings (24mA high and low).

Parameter Comparison

Parameter	CY74FCT162952BTPVC	SN74ALVCH16952DLR	74ACT16652DL	74ACT16543DL	74ACT16646DL	74ACT16651DL
Manufacturer	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments
Series	74FCT	74ALVCH	74ACT	74ACT	74ACT	74ACT
Logic Type	Transceiver, Non-Inverting	Transceiver, Non-Inverting	Transceiver, Non-Inverting	Transceiver, Non-Inverting	Transceiver, Non-Inverting	Transceiver, Non-Inverting
Number of Elements	2	2	2	2	2	2
Number of Bits per Element	8	8	8	8	8	8
Output Type	3-State	3-State	3-State	3-State	3-State	3-State
Current - Output High, Low	24mA, 24mA	24mA, 24mA	24mA, 24mA	24mA, 24mA	24mA, 24mA	24mA, 24mA
Voltage - Supply	4.5V ~ 5.5V	1.65V ~ 3.6V	4.5V ~ 5.5V	4.5V ~ 5.5V	4.5V ~ 5.5V	4.5V ~ 5.5V
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C
Package / Case	56-BSSOP	56-BSSOP	56-BSSOP	56-BSSOP	56-BSSOP	56-BSSOP
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Product Status	Obsolete	Obsolete	Last Time Buy	Last Time Buy	Last Time Buy	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
MSL	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

Primary Recommendation - 74ACT16651DL: The 74ACT16651DL is the preferred substitute for the CY74FCT162952BTPVC. This part maintains identical electrical specifications including supply voltage range (4.5V ~ 5.5V), output current ratings (24mA), and operating temperature range (-40°C ~ 85°C). The 74ACT16651DL is currently in Active product status, ensuring long-term availability and production support. All compliance certifications match the original part: ROHS3 Compliant, MSL 1 (Unlimited), and identical ECCN/HTSUS classifications.

Secondary Recommendation - 74ACT16646DL: The 74ACT16646DL provides equivalent functionality with Last Time Buy status. This part maintains all critical electrical parameters and package specifications. With 4802 units in stock, this option offers immediate availability for current production needs.

Alternative for Low-Voltage Applications - SN74ALVCH16952DLR: The SN74ALVCH16952DLR is suitable only for applications where supply voltage can be reduced to the 1.65V ~ 3.6V range. This part maintains identical functional architecture (2 elements, 8 bits per element, 3-state output, 24mA drive capability) and package configuration. The SN74ALVCH16952DLR is classified as Obsolete but offers 2180 units in current inventory.

Parametric Equivalents - 74ACT16652DL and 74ACT16543DL: Both parts maintain identical electrical and mechanical specifications to the original CY74FCT162952BTPVC. The 74ACT16652DL is Last Time Buy status with 1048 units available. The 74ACT16543DL is Last Time Buy status with 1332 units available. Both are suitable for direct substitution in 5.5V supply applications.

Obsolete Series Alternatives - CY74FCT162543CTPVC, CY74FCT162543TPVC, CY74FCT162646ATPVC, CY74FCT162646CTPVC, CY74FCT162652ATPVC: These parts maintain identical specifications within the 74FCT series family. All are classified as Obsolete. These options are suitable only when existing inventory must be utilized or when design continuity within the 74FCT series is required.

Frequently Asked Questions (FAQ)

Q: Can the SN74ALVCH16952DLR be used as a direct replacement for the CY74FCT162952BTPVC?

A: The SN74ALVCH16952DLR is functionally equivalent but operates at a different supply voltage range (1.65V ~ 3.6V versus 4.5V ~ 5.5V). Direct substitution is possible only if the application circuit can operate at the lower voltage range. All other electrical parameters—output current, element count, bit configuration, and 3-state output—are identical.

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

A: Both series maintain identical functional specifications for this application. The primary difference is product lifecycle status. The 74ACT series parts (74ACT16651DL, 74ACT16646DL, 74ACT16652DL, 74ACT16543DL) are in Last Time Buy or Active status, ensuring continued availability. The 74FCT series parts are Obsolete. For new designs or long-term production, 74ACT series selection is recommended.

Q: Are all substitute parts in the same 56-BSSOP package?

A: Yes. All substitute parts listed maintain the 56-BSSOP (0.295", 7.50mm Width) surface mount package specification. PCB layout and footprint compatibility is assured across all substitutes.

Q: Do all substitutes maintain the same output current specifications?

A: Yes. All substitute parts maintain identical output current ratings of 24mA for both high and low states. This ensures equivalent drive capability and signal integrity in existing circuit designs.

Q: What is the significance of the product status classifications?

A: Product status indicates lifecycle phase. Active status (74ACT16651DL) indicates ongoing production and long-term availability. Last Time Buy status indicates limited production windows with defined end dates. Obsolete status indicates production has ended. For new designs, Active status parts are preferred. For existing production support, Last Time Buy parts offer intermediate availability windows.

Q: Are all substitutes RoHS3 compliant?

A: Yes. All substitute parts listed are ROHS3 Compliant with MSL 1 (Unlimited) moisture sensitivity level, matching the original CY74FCT162952BTPVC specifications.

Q: Can multiple substitute parts be mixed in the same design?

A: Yes. All substitute parts maintain identical electrical specifications, package configuration, and operating parameters. Mixing parts from different series (74ACT, 74FCT, 74ALVCH) within the same design is permissible provided supply voltage requirements are met for each part.

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