CY74FCT16244TPVC Equivalent & Substitute Parts

Part Overview

The CY74FCT16244TPVC 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 output currents of 32mA (high) and 64mA (low). The device is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement.

Key Parameters

Parameter	Value
Manufacturer Part Number	CY74FCT16244TPVC
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)
Product Status	Obsolete
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution for the CY74FCT16244TPVC is determined by the following critical parameters:

Functional Parameters: Logic type (Buffer, Non-Inverting), number of elements (4), bits per element (4), and output type (3-State) must remain constant across all substitutes.

Electrical Parameters: Supply voltage range and output current capabilities define compatibility. The CY74FCT16244TPVC operates at 4.5V–5.5V with 32mA/64mA output currents. Substitutes are grouped into two categories:

Direct Electrical Equivalents (5.5V Series): Parts maintaining identical 4.5V–5.5V supply voltage and 32mA/64mA output current specifications. These include 74FCT16244ATPVG and 74FCT16244CTPAG8.
Lower Voltage Alternatives (3.6V Series): Parts operating at reduced 2.7V–3.6V supply voltage with lower output currents (8mA/24mA or 24mA/24mA). These include 74FCT163244APVG, 74FCT163244CPVG, and SN74LVCZ16244ADLR.
Active Equivalents with Modified Output Current (5.5V Series): Parts maintaining 4.5V–5.5V supply voltage but with reduced output currents (24mA/24mA). These include 74FCT162244ATPVG and 74FCT162244CTPVG.

Package Compatibility: All substitutes use 48-SSOP or 48-TSSOP packages with identical pinout and mechanical dimensions, ensuring direct board-level replacement.

Product Status: Active substitutes are preferred for new designs. Obsolete substitutes are listed for legacy system support only.

Parameter Comparison

Part Number	Manufacturer	Supply Voltage	Output Current (High/Low)	Package	Product Status	MSL
CY74FCT16244TPVC	Texas Instruments	4.5V ~ 5.5V	32mA / 64mA	48-BSSOP	Obsolete	1
74FCT16244ATPVG	IDT	4.5V ~ 5.5V	32mA / 64mA	48-BSSOP	Active	N/A
74FCT16244CTPAG8	Renesas Electronics	4.5V ~ 5.5V	32mA / 64mA	48-TFSOP	Obsolete	1
74FCT162244ATPVG	IDT	4.5V ~ 5.5V	24mA / 24mA	48-BSSOP	Active	N/A
74FCT162244ATPVG8	Renesas Electronics	4.5V ~ 5.5V	24mA / 24mA	48-BSSOP	Active	3
74FCT162244CTPVG	IDT	4.5V ~ 5.5V	24mA / 24mA	48-BSSOP	Active	N/A
74FCT163244APVG	IDT	2.7V ~ 3.6V	8mA / 24mA	48-BSSOP	Active	N/A
74FCT163244APVG8	Renesas Electronics	2.7V ~ 3.6V	8mA / 24mA	48-BSSOP	Active	3
74FCT163244CPVG	Renesas Electronics	2.7V ~ 3.6V	8mA / 24mA	48-BSSOP	Active	3
74FCT163244CPVG8	Renesas Electronics	2.7V ~ 3.6V	8mA / 24mA	48-BSSOP	Active	3
SN74LVCZ16244ADLR	Texas Instruments	2.7V ~ 3.6V	24mA / 24mA	48-BSSOP	Active	1

Engineering Selection Recommendations

For Direct Replacement (5.5V Supply, 32mA/64mA Output):

Select 74FCT16244ATPVG (IDT, Active status) as the primary equivalent. This part maintains identical electrical specifications and package configuration. Active product status ensures long-term availability and manufacturing support.

For Active Product Designs Accepting Reduced Output Current (5.5V Supply, 24mA/24mA Output):

74FCT162244ATPVG (IDT, Active) or 74FCT162244CTPVG (IDT, Active) are suitable when circuit design permits lower output current. Both maintain 4.5V–5.5V supply voltage compatibility with the original part.

For Lower Voltage System Integration (2.7V–3.6V Supply):

74FCT163244CPVG (Renesas, Active) or SN74LVCZ16244ADLR (Texas Instruments, Active) support reduced supply voltage operation. Selection depends on output current requirements: 74FCT163244CPVG provides 8mA/24mA, while SN74LVCZ16244ADLR provides 24mA/24mA.

Compliance Considerations:

All recommended substitutes maintain ROHS3 compliance and REACH unaffected status, matching the original part's regulatory requirements. MSL ratings vary; verify moisture handling procedures for your manufacturing environment.

Frequently Asked Questions (FAQ)

Q: Can 74FCT162244ATPVG replace CY74FCT16244TPVC directly?

A: Functionally yes, with electrical qualification required. Both are non-inverting 4-element, 4-bit buffers with 3-state output in 48-SSOP packages. The 74FCT162244ATPVG operates at identical 4.5V–5.5V supply voltage but provides 24mA/24mA output current versus the original 32mA/64mA. Circuit designs requiring the higher output current specification must use 74FCT16244ATPVG instead.

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

A: The primary difference is output current capability. 74FCT16244 provides 32mA/64mA output current, while 74FCT162244 provides 24mA/24mA. Both maintain identical logic function, element count, and supply voltage range (4.5V–5.5V). Selection depends on load current requirements.

Q: Are 74FCT163244 parts compatible with CY74FCT16244TPVC?

A: 74FCT163244 parts are functionally compatible but operate at reduced supply voltage (2.7V–3.6V) with lower output current (8mA/24mA). Use only in systems designed for 3.6V maximum supply voltage. These parts are not suitable for 5.5V applications.

Q: Can I use SN74LVCZ16244ADLR in a 5.5V circuit?

A: No. SN74LVCZ16244ADLR is rated for 2.7V–3.6V supply voltage maximum. Operation above 3.6V violates device specifications and may cause permanent damage.

Q: What is the significance of the "8" suffix in part numbers like 74FCT162244ATPVG8?

A: The "8" suffix indicates Tape & Reel (TR) packaging format and, in some cases, different moisture sensitivity levels (MSL 3 vs. MSL 1). Electrical specifications remain identical to non-suffixed variants. Verify packaging requirements for your procurement process.

Q: Are all substitutes available in the same package?

A: Most substitutes use 48-BSSOP packages with identical pinout. 74FCT16244CTPAG8 uses 48-TFSOP (0.240" width) versus 48-BSSOP (0.295" width). Verify PCB footprint compatibility before selection.

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

A: Active product status parts (74FCT16244ATPVG, 74FCT162244ATPVG, 74FCT163244CPVG, SN74LVCZ16244ADLR) are preferred for new designs. These maintain manufacturer support and production continuity. Obsolete parts should be used only for legacy system maintenance.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message