74FCT16244ATPVG8 Equivalent & Substitute Parts

Part Overview

The 74FCT16244ATPVG8 is a non-inverting buffer logic IC manufactured by Renesas Electronics Corporation, featuring 4 elements with 4 bits per element and 3-state output capability. This component operates within a 4.5V to 5.5V supply voltage range and is housed in a 48-SSOP package. The part is classified as obsolete, making identification of functionally equivalent alternatives essential for ongoing system support and procurement planning.

Key Parameters

Parameter	Value
Manufacturer Part Number	74FCT16244ATPVG8
Manufacturer	Renesas Electronics Corporation
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)	3 (168 Hours)

Substitute Part Grouping Explanation

Substitution eligibility for the 74FCT16244ATPVG8 is determined by the following critical parameters:

Mandatory Matching Parameters:

Logic Type: Buffer, Non-Inverting
Number of Elements: 4
Number of Bits per Element: 4
Output Type: 3-State
Voltage - Supply: 4.5V ~ 5.5V
Operating Temperature: -40°C ~ 85°C (TA)
Mounting Type: Surface Mount
Series: 74FCT

Package Compatibility: Substitutes may utilize either 48-BSSOP (0.295", 7.50mm Width) or 48-TFSOP (0.240", 6.10mm Width) packages, as both are surface-mount 48-pin configurations suitable for the same PCB footprint families.

Output Current Variations: The original part specifies 32mA (High) and 64mA (Low) output current. Substitute parts with 24mA (High) and 24mA (Low) output current remain functionally compatible, as these represent reduced but adequate drive capability for standard logic applications.

Parameter Comparison

Part Number	Manufacturer	Logic Type	Output Current (H/L)	Package	Product Status	Inventory (Pcs)
74FCT16244ATPVG8	Renesas Electronics	Buffer, Non-Inverting	32mA / 64mA	48-BSSOP	Obsolete	2119
CY74FCT16244ATPVC	Texas Instruments	Buffer, Non-Inverting	32mA / 64mA	48-BSSOP	Obsolete	1348
74FCT162244ATPACT	Cypress Semiconductor	Buffer, Non-Inverting	24mA / 24mA	48-TFSOP	Active	3100
74FCT162244ATPVCT	Texas Instruments	Buffer, Non-Inverting	24mA / 24mA	48-BSSOP	Obsolete	995
74FCT162244CTPACT	Cypress Semiconductor	Buffer, Non-Inverting	24mA / 24mA	48-TFSOP	Active	22385
74FCT162244CTPVCT	Cypress Semiconductor	Buffer, Non-Inverting	24mA / 24mA	48-BSSOP	Active	2200
74FCT162H244ATPACT	Texas Instruments	Buffer, Non-Inverting	24mA / 24mA	48-TFSOP	Obsolete	845
74FCT162H244CTPVC	Texas Instruments	Buffer, Non-Inverting	24mA / 24mA	48-BSSOP	Obsolete	2060
CY74FCT162244ATPVC	Texas Instruments	Buffer, Non-Inverting	24mA / 24mA	48-BSSOP	Obsolete	1528
CY74FCT162244CTPVC	Texas Instruments	Buffer, Non-Inverting	24mA / 24mA	48-BSSOP	Obsolete	1596
CY74FCT162244TPACT	Texas Instruments	Buffer, Non-Inverting	24mA / 24mA	48-TFSOP	Obsolete	1115

Engineering Selection Recommendations

For Active Product Status Priority: The 74FCT162244CTPACT and 74FCT162244ATPACT from Cypress Semiconductor are classified as active products, ensuring long-term availability and manufacturing support. These parts are preferred for new designs and long-lifecycle applications. Both maintain full electrical compatibility with the original 74FCT16244ATPVG8 within the specified parameter ranges.

For Immediate Replacement with Matching Output Current: The CY74FCT16244ATPVC from Texas Instruments provides identical output current specifications (32mA/64mA) and 48-BSSOP package configuration, offering direct functional equivalence with the original part.

For Package Flexibility: Substitutes utilizing the 48-TFSOP package (74FCT162244CTPACT, 74FCT162244ATPACT, 74FCT162H244ATPACT, CY74FCT162244TPACT) are suitable when PCB layout accommodates the narrower 0.240" width, providing alternative sourcing options.

Compliance Considerations: All listed substitutes maintain ROHS3 compliance and REACH unaffected status, consistent with the original part's regulatory classification. Moisture sensitivity levels vary between MSL 1 (Unlimited) and MSL 3 (168 Hours); component handling procedures must align with the selected substitute's MSL rating.

Frequently Asked Questions (FAQ)

Q: Can the 74FCT162244CTPACT replace the 74FCT16244ATPVG8 directly?

A: Yes. Both parts share identical logic type, element count, bit configuration, output type, supply voltage range, and operating temperature. The 74FCT162244CTPACT features reduced output current (24mA/24mA versus 32mA/64mA) and uses a 48-TFSOP package instead of 48-BSSOP, but these differences do not affect functional compatibility in standard logic applications. The 48-TFSOP package requires PCB layout adjustment due to its narrower 0.240" width.

Q: What is the difference between 48-BSSOP and 48-TFSOP packages?

A: Both are surface-mount 48-pin packages. The 48-BSSOP measures 0.295" in width, while the 48-TFSOP measures 0.240" in width. The TFSOP variant is narrower and requires different PCB footprint design. Pin pitch and electrical characteristics remain equivalent.

Q: Are there active product alternatives available?

A: Yes. The 74FCT162244CTPACT and 74FCT162244ATPACT from Cypress Semiconductor are both classified as active products. These offer the advantage of ongoing manufacturing support and extended availability compared to obsolete alternatives.

Q: How do output current differences affect substitution?

A: The original 74FCT16244ATPVG8 specifies 32mA (High) and 64mA (Low) output current. Substitutes with 24mA (High) and 24mA (Low) output current provide reduced but adequate drive capability for standard logic buffer applications. Selection depends on specific load requirements in the target circuit.

Q: What is the significance of MSL ratings in the substitute parts?

A: Moisture Sensitivity Level (MSL) determines component handling and storage requirements. The original part carries MSL 3 (168 Hours), while most substitutes carry MSL 1 (Unlimited). Lower MSL ratings provide greater flexibility in storage and handling procedures. Component procurement and assembly processes must comply with the selected substitute's MSL classification.

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