74FCT16373ATPVG8 Equivalent & Substitute Parts

Part Overview

The 74FCT16373ATPVG8 is a D-Type Transparent Latch 16-bit logic IC manufactured by Renesas Electronics Corporation in a 48-SSOP surface mount package. This component features 2 independent 8:8 circuits with tri-state output capability, operating across a 4.5V to 5.5V supply voltage range and -40°C to 85°C temperature range. The part is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement.

Key Parameters

Parameter	Value
Logic Type	D-Type Transparent Latch
Circuit Configuration	2 Channel 8:8
Output Type	Tri-State
Supply Voltage	4.5V ~ 5.5V
Propagation Delay	1.5ns
Output Current (High/Low)	32mA / 64mA
Operating Temperature	-40°C ~ 85°C
Package Type	48-BSSOP (0.295", 7.50mm Width)
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution for the 74FCT16373ATPVG8 is determined by the following critical parameters:

Logic Type: D-Type Transparent Latch
Circuit Configuration: 2 Channel 8:8
Output Type: Tri-State
Supply Voltage Range: 4.5V ~ 5.5V
Package Type: 48-BSSOP or compatible surface mount packages
Operating Temperature Range: -40°C ~ 85°C

Substitute parts must maintain identical logic functionality, circuit configuration, and output characteristics. Package variations (48-BSSOP vs. 48-TSSOP) are acceptable when mechanical constraints permit. Propagation delay and output current specifications may vary within acceptable engineering tolerances for the 74FCT logic family.

Parameter Comparison

Part Number	Manufacturer	Logic Type	Circuit	Output Type	Supply Voltage	Propagation Delay (ns)	Output Current High/Low (mA)	Package	Product Status
74FCT16373ATPVG8	Renesas Electronics	D-Type Transparent Latch	2 Channel 8:8	Tri-State	4.5V ~ 5.5V	1.5	32 / 64	48-BSSOP	Obsolete
CY74FCT16373ATPVC	Texas Instruments	D-Type Transparent Latch	2 Channel 8:8	Tri-State	4.5V ~ 5.5V	2	32 / 64	48-BSSOP	Obsolete
CY74FCT16373ATPVCT	Texas Instruments	D-Type Transparent Latch	2 Channel 8:8	Tri-State	4.5V ~ 5.5V	2	32 / 64	48-BSSOP	Obsolete
CY74FCT162373ATPVC	Cypress Semiconductor	D-Type Transparent Latch	2 Channel 8:8	Tri-State	4.5V ~ 5.5V	2	24 / 24	48-BSSOP	Active
CY74FCT162373ATPVCT	Cypress Semiconductor	D-Type Transparent Latch	2 Channel 8:8	Tri-State	4.5V ~ 5.5V	Not Specified	Not Specified	48-BSSOP	Active
CY74FCT162373CTPVC	Texas Instruments	D-Type Transparent Latch	2 Channel 8:8	Tri-State	4.5V ~ 5.5V	2	24 / 24	48-BSSOP	Obsolete
CY74FCT16373ATPACT	Texas Instruments	D-Type Transparent Latch	2 Channel 8:8	Tri-State	4.5V ~ 5.5V	2	32 / 64	48-TSSOP	Obsolete
CY74FCT16373CTPVC	Texas Instruments	D-Type Transparent Latch	2 Channel 8:8	Tri-State	4.5V ~ 5.5V	2	32 / 64	48-BSSOP	Obsolete

Engineering Selection Recommendations

For direct replacement of the 74FCT16373ATPVG8 in existing designs, CY74FCT16373ATPVC and CY74FCT16373ATPVCT are functionally equivalent, maintaining identical output current specifications (32mA/64mA) and 48-BSSOP package geometry. Both are ROHS3 compliant and operate within the same supply voltage and temperature ranges.

CY74FCT162373ATPVC and CY74FCT162373CTPVC offer active product status from Cypress Semiconductor and Texas Instruments respectively, providing long-term availability. These parts maintain functional compatibility with reduced output current specifications (24mA/24mA), which is acceptable for most applications where the original 32mA/64mA capability is not critical.

CY74FCT16373ATPACT provides an alternative in the 48-TSSOP package format, suitable for designs where package footprint variation is permissible. This part maintains the original output current specifications.

All substitute parts are ROHS3 compliant and REACH unaffected, meeting current regulatory requirements.

Frequently Asked Questions (FAQ)

Q: Can CY74FCT162373ATPVC replace 74FCT16373ATPVG8 directly?

A: Yes. Both parts share identical logic type, circuit configuration, output type, supply voltage range, operating temperature range, and 48-BSSOP package. The output current specification differs (24mA/24mA vs. 32mA/64mA), which is acceptable for applications not requiring maximum drive capability.

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

A: Both are 48-pin surface mount packages with different physical dimensions. 48-BSSOP measures 0.295" width (7.50mm), while 48-TSSOP measures 0.240" width (6.10mm). PCB layout and footprint compatibility must be verified before substitution.

Q: Why are some substitute parts listed as obsolete?

A: CY74FCT16373ATPVC, CY74FCT16373ATPVCT, CY74FCT162373CTPVC, and CY74FCT16373CTPVC are classified as obsolete by their manufacturers. However, inventory availability remains documented. CY74FCT162373ATPVC and CY74FCT162373ATPVCT maintain active product status, offering superior long-term procurement reliability.

Q: Are all substitute parts RoHS compliant?

A: Yes. All listed substitute parts are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory standards.

Q: What determines if a part can substitute for the 74FCT16373ATPVG8?

A: Substitution requires matching logic type (D-Type Transparent Latch), circuit configuration (2 Channel 8:8), output type (Tri-State), supply voltage range (4.5V ~ 5.5V), and operating temperature range (-40°C ~ 85°C). Package type must be mechanically compatible with the PCB design.

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