CY74FCT162244CTPVC Equivalent & Substitute Parts

Part Overview

The CY74FCT162244CTPVC is a non-inverting buffer logic IC manufactured by Texas Instruments, featuring 4 elements with 4 bits per element and 3-state output capability in a 48-SSOP package. This part operates at 5.5V supply voltage with 24mA output current capability. The device is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement continuity.

Key Parameters

Parameter	Value
Manufacturer Part Number	CY74FCT162244CTPVC
Manufacturer	Texas Instruments
Logic Type	Buffer, Non-Inverting
Number of Elements	4
Number of Bits per Element	4
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)
Product Status	Obsolete
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the CY74FCT162244CTPVC are categorized based on the following critical parameters that determine functional compatibility:

Primary Substitution Criteria:

Logic Type: Buffer, Non-Inverting (4 elements, 4 bits per element)
Output Type: 3-State
Package / Case: 48-BSSOP (0.295", 7.50mm Width)
Voltage - Supply: 4.5V ~ 5.5V (for direct voltage-compatible substitutes)
Current - Output High, Low: 24mA, 24mA (for direct current-compatible substitutes)
Operating Temperature: -40°C ~ 85°C (TA)

Grouping Categories:

Group 1: Direct Parametric Equivalents (5.5V Supply, 24mA Output) These parts maintain identical electrical specifications and package footprint, providing direct replacement capability.

Group 2: Voltage-Reduced Alternatives (3.6V Supply, Lower Output Current) These parts operate at reduced supply voltage with lower output current ratings, suitable for applications with relaxed voltage and current requirements.

Group 3: Enhanced Current Capability (5.5V Supply, Higher Output Current) These parts maintain 5.5V supply voltage but provide higher output current (32mA/64mA), offering improved drive capability for demanding applications.

Group 4: Low-Voltage CMOS Alternative (3.6V Supply, 12mA Output) This part represents a modern low-voltage CMOS technology option with significantly reduced power consumption.

Parameter Comparison

Part Number	Manufacturer	Logic Type	Elements / Bits	Output Type	Current (High/Low)	Voltage Supply	Temp Range	Package	Product Status
CY74FCT162244CTPVC	Texas Instruments	Buffer, Non-Inverting	4 / 4	3-State	24mA / 24mA	4.5V ~ 5.5V	-40°C ~ 85°C	48-BSSOP	Obsolete
CY74FCT162244TPVC	Cypress Semiconductor Corp	Buffer, Non-Inverting	4 / 4	3-State	24mA / 24mA	4.5V ~ 5.5V	-40°C ~ 85°C	48-BSSOP	Active
74FCT162244ATPVG8	Renesas Electronics Corporation	Buffer, Non-Inverting	4 / 4	3-State	24mA / 24mA	4.5V ~ 5.5V	-40°C ~ 85°C	48-BSSOP	Active
74ACT16244DL	Texas Instruments	Buffer, Non-Inverting	4 / 4	3-State	24mA / 24mA	4.5V ~ 5.5V	-40°C ~ 85°C	48-BSSOP	Last Time Buy
74FCT163244APVG	IDT, Integrated Device Technology Inc	Buffer, Non-Inverting	4 / 4	3-State	8mA / 24mA	2.7V ~ 3.6V	-40°C ~ 85°C	48-BSSOP	Active
74FCT163244CPVG	Renesas Electronics Corporation	Buffer, Non-Inverting	4 / 4	3-State	8mA / 24mA	2.7V ~ 3.6V	-40°C ~ 85°C	48-BSSOP	Active
74FCT16244ATPVG	IDT, Integrated Device Technology Inc	Buffer, Non-Inverting	4 / 4	3-State	32mA / 64mA	4.5V ~ 5.5V	-40°C ~ 85°C	48-BSSOP	Active
SN74LVC162244ADLR	Texas Instruments	Buffer, Non-Inverting	4 / 4	3-State	12mA / 12mA	1.65V ~ 3.6V	-40°C ~ 125°C	48-BSSOP	Active

Engineering Selection Recommendations

For Direct Replacement (Obsolete Part Mitigation):

The CY74FCT162244TPVC (Cypress Semiconductor Corp) and 74FCT162244ATPVG8 (Renesas Electronics Corporation) are the primary direct substitutes, maintaining identical electrical specifications (24mA output current, 4.5V ~ 5.5V supply) and package footprint. Both parts are in active production status, ensuring long-term availability. The CY74FCT162244TPVC is available in bulk packaging, while the 74FCT162244ATPVG8 is supplied in tape and reel format.

For Extended Temperature Range Applications:

The SN74LVC162244ADLR (Texas Instruments) extends the operating temperature range to -40°C ~ 125°C, providing superior thermal performance for demanding environments. This part operates at reduced supply voltage (1.65V ~ 3.6V) and lower output current (12mA), making it suitable for applications where power consumption is a design constraint.

For Enhanced Drive Capability:

The 74FCT16244ATPVG (IDT) provides increased output current capability (32mA/64mA) while maintaining the 4.5V ~ 5.5V supply voltage range, offering improved signal integrity for high-capacitance loads.

For Reduced Supply Voltage Applications:

The 74FCT163244APVG, 74FCT163244CPVG, and 74FCT163244CPVG8 (IDT and Renesas) operate at 2.7V ~ 3.6V supply voltage with reduced output current (8mA/24mA), suitable for low-voltage system designs.

Compliance Considerations:

All recommended substitutes maintain ROHS3 compliance and REACH unaffected status, consistent with the original part's regulatory requirements. Moisture sensitivity levels vary between MSL 1 (unlimited) and MSL 3 (168 hours), requiring appropriate handling procedures during assembly.

Frequently Asked Questions (FAQ)

Q: Can the CY74FCT162244TPVC directly replace the CY74FCT162244CTPVC?

A: Yes. The CY74FCT162244TPVC maintains identical electrical specifications (24mA output current, 4.5V ~ 5.5V supply voltage, -40°C ~ 85°C operating range) and package footprint (48-BSSOP). The primary difference is packaging format (bulk versus tube) and active product status versus obsolete status.

Q: What is the key difference between the 74FCT162244 and 74FCT163244 series?

A: The 74FCT163244 series operates at reduced supply voltage (2.7V ~ 3.6V) with lower output current (8mA/24mA) compared to the 74FCT162244 series (4.5V ~ 5.5V, 24mA/24mA). Both maintain identical logic functionality and package footprint. Selection depends on system voltage requirements and load current demands.

Q: Is the SN74LVC162244ADLR compatible with 5.5V supply systems?

A: The SN74LVC162244ADLR operates at 1.65V ~ 3.6V supply voltage and is not rated for 5.5V operation. Direct substitution in 5.5V systems is not recommended. This part is suitable for low-voltage applications requiring extended temperature range (-40°C ~ 125°C).

Q: What are the packaging format differences among substitute parts?

A: Substitute parts are available in multiple packaging formats: tube (standard reel packaging), bulk (loose components), tape and reel (automated assembly format), and cut tape (partial reel). Package format selection depends on assembly process requirements and order quantity. Electrical specifications remain identical across all packaging formats for a given part number.

Q: Can the 74FCT16244ATPVG be used in place of the CY74FCT162244CTPVC?

A: The 74FCT16244ATPVG maintains the same logic type, element count, and package footprint, but provides higher output current capability (32mA/64mA versus 24mA/24mA). This part is electrically compatible and offers improved drive capability. Substitution is valid for applications where the enhanced current rating does not create design conflicts.

Q: What moisture sensitivity level precautions apply to these parts?

A: Parts with MSL 1 rating (CY74FCT162244CTPVC, CY74FCT162244TPVC, 74ACT16244DL, SN74LVC162244ADLR) have unlimited shelf life and require standard handling. Parts with MSL 3 rating (74FCT162244ATPVG8, 74FCT163244APVG8, 74FCT163244CPVG, 74FCT163244CPVG8) must be used within 168 hours of package opening and require controlled humidity storage conditions.

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