CY74FCT16244TPVCT Equivalent & Substitute Parts

Part Overview

The CY74FCT16244TPVCT is a Buffer, Non-Inverting logic IC manufactured by Texas Instruments, featuring 4 elements with 4 bits per element and 3-state output capability. This 48-SSOP surface mount device operates across a 4.5V to 5.5V supply voltage range and is rated for -40°C to 85°C operating temperature. The part is currently classified as Obsolete, making identification of functionally equivalent alternatives essential for ongoing design support and production continuity.

Key Parameters

Parameter	Value
Manufacturer Part Number	CY74FCT16244TPVCT
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	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
Product Status	Obsolete
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the CY74FCT16244TPVCT is determined by strict equivalence across the following critical parameters:

Primary Substitution Criteria:

Logic Type: Buffer, Non-Inverting
Number of Elements: 4
Number of Bits per Element: 4
Output Type: 3-State
Package / Case: 48-BSSOP (0.295", 7.50mm Width)
Mounting Type: Surface Mount
Operating Temperature Range: -40°C ~ 85°C (TA)

Secondary Substitution Criteria:

Voltage - Supply: 4.5V ~ 5.5V (primary specification)
Current - Output High, Low: 32mA, 64mA (primary specification)

Substitute parts are classified into two categories:

MFR Recommended Substitutes: Parts explicitly recommended by manufacturers as direct replacements, maintaining identical electrical specifications and package compatibility.

Parametric Equivalents: Parts that maintain functional equivalence through identical logic configuration, output characteristics, and package specifications, though manufactured by different suppliers or under different series designations.

Parameter Comparison

Part Number	Manufacturer	Series	Logic Type	Elements / Bits	Output Type	Current High/Low (mA)	Voltage Supply (V)	Temp Range (°C)	Package	Status
CY74FCT16244TPVCT	Texas Instruments	74FCT	Buffer, Non-Inverting	4 / 4	3-State	32 / 64	4.5 ~ 5.5	-40 ~ 85	48-BSSOP	Obsolete
SN74LVCZ16244ADLR	Texas Instruments	74LVCZ	Buffer, Non-Inverting	4 / 4	3-State	24 / 24	2.7 ~ 3.6	-40 ~ 85	48-BSSOP	Active
CY74FCT16244ATPVCT	Texas Instruments	74FCT	Buffer, Non-Inverting	4 / 4	3-State	32 / 64	4.5 ~ 5.5	-40 ~ 85	48-BSSOP	Discontinued at DiGi Electronics
SN74ABT16241ADLR	Texas Instruments	74ABT	Buffer, Non-Inverting	4 / 4	3-State	32 / 64	4.5 ~ 5.5	-40 ~ 85	48-BSSOP	Active
SN74ABT16244ADLR	Texas Instruments	74ABT	Buffer, Non-Inverting	4 / 4	3-State	32 / 64	4.5 ~ 5.5	-40 ~ 85	48-BSSOP	Active
SN74ABTH16244DLR	Texas Instruments	74ABTH	Buffer, Non-Inverting	4 / 4	3-State	32 / 64	4.5 ~ 5.5	-40 ~ 85	48-BSSOP	Active
74FCT162244ATPVG	IDT, Integrated Device Technology Inc	74FCT	Buffer, Non-Inverting	4 / 4	3-State	24 / 24	4.5 ~ 5.5	-40 ~ 85	48-BSSOP	Active
74FCT162244ATPVG8	Renesas Electronics Corporation	74FCT	Buffer, Non-Inverting	4 / 4	3-State	24 / 24	4.5 ~ 5.5	-40 ~ 85	48-BSSOP	Active
74FCT162244CTPVG	IDT, Integrated Device Technology Inc	74FCT	Buffer, Non-Inverting	4 / 4	3-State	24 / 24	4.5 ~ 5.5	-40 ~ 85	48-BSSOP	Active
74FCT16244ATPVG	IDT, Integrated Device Technology Inc	74FCT	Buffer, Non-Inverting	4 / 4	3-State	32 / 64	4.5 ~ 5.5	-40 ~ 85	48-BSSOP	Active
74FCT16244CTPAG8	Renesas Electronics Corporation	74FCT	Buffer, Non-Inverting	4 / 4	3-State	32 / 64	4.5 ~ 5.5	-40 ~ 85	48-TFSOP	Obsolete

Engineering Selection Recommendations

Direct Parametric Equivalents (Identical Electrical Specifications):

The CY74FCT16244ATPVCT, SN74ABT16241ADLR, SN74ABT16244ADLR, and SN74ABTH16244DLR maintain full electrical equivalence with the original CY74FCT16244TPVCT, including identical output current ratings (32mA high, 64mA low) and supply voltage range (4.5V ~ 5.5V). All are Active status parts from Texas Instruments, ensuring long-term availability and supply chain stability. These parts are suitable for direct substitution in applications requiring the full 32mA/64mA output drive capability.

Reduced Output Current Alternatives:

The 74FCT162244ATPVG, 74FCT162244ATPVG8, and 74FCT162244CTPVG variants feature reduced output current specifications (24mA high, 24mA low) while maintaining identical logic configuration, package, and voltage supply range. These parts are manufactured by IDT and Renesas Electronics Corporation and carry Active product status. Selection of these alternatives is appropriate for applications where the reduced output drive capability is sufficient and where supply chain diversification is beneficial.

Low Voltage Alternative:

The SN74LVCZ16244ADLR operates across a reduced supply voltage range (2.7V ~ 3.6V) with correspondingly reduced output current (24mA high, 24mA low). This part is suitable only for applications designed for low-voltage operation and is not a direct substitute for 5V-specified designs.

Compliance and Certification:

All recommended substitute parts maintain ROHS3 compliance and REACH unaffected status, consistent with the original part. Moisture Sensitivity Level (MSL) ratings vary between MSL 1 (Unlimited) and MSL 3 (168 Hours), which may impact storage and handling requirements depending on manufacturing environment specifications.

Frequently Asked Questions (FAQ)

Q: Can the SN74LVCZ16244ADLR be used as a direct replacement for the CY74FCT16244TPVCT?

A: No. The SN74LVCZ16244ADLR operates at 2.7V ~ 3.6V supply voltage, whereas the original part requires 4.5V ~ 5.5V. This part is suitable only for low-voltage applications and will not function correctly in 5V systems.

Q: What is the difference between the 74FCT162244 and 74FCT16244 series variants?

A: The 74FCT162244 series features reduced output current specifications (24mA high, 24mA low) compared to the 74FCT16244 series (32mA high, 64mA low). Both maintain identical logic configuration and package specifications. Selection depends on application output drive requirements.

Q: Are all substitute parts available in the same 48-BSSOP package?

A: All recommended substitutes are available in the 48-BSSOP package except the 74FCT16244CTPAG8, which uses the 48-TFSOP package. Package differences may require PCB layout verification before implementation.

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

A: Active status parts ensure ongoing manufacturer support, availability, and supply chain continuity. Discontinued or Obsolete parts may have limited stock and no future production commitments. For new designs or long-term production, Active status parts are recommended.

Q: Do all substitute parts maintain the same Moisture Sensitivity Level (MSL)?

A: No. The original CY74FCT16244TPVCT carries MSL 1 (Unlimited), while the 74FCT162244ATPVG8 carries MSL 3 (168 Hours). MSL 3 parts require controlled storage conditions and have a 168-hour floor life after moisture exposure. Verify storage and handling procedures with your manufacturing environment specifications.

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

A: The SN74ABT16244ADLR and SN74ABT16241ADLR from Texas Instruments offer the highest inventory levels (3,288 and 5,400 units respectively) and Active product status, providing optimal long-term supply chain security.

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