74LVC16373APAG Equivalent & Substitute Parts

Part Overview

The 74LVC16373APAG is a D-Type Transparent Latch IC with 16-bit capacity, dual 8:8 channel configuration, and tri-state output capability. Manufactured by Renesas Electronics Corporation, this component operates across a 1.65V to 3.6V supply voltage range and is packaged in a 48-TSSOP form factor. The part is currently listed as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement continuity.

Key Parameters

Parameter	Value
Manufacturer Part Number	74LVC16373APAG
Manufacturer	Renesas Electronics Corporation
Logic Type	D-Type Transparent Latch
Circuit Configuration	2 Channel 8:8
Output Type	Tri-State
Voltage Supply Range	1.65V ~ 3.6V
Propagation Delay	2.1ns
Output Current (High/Low)	24mA / 24mA
Operating Temperature	-40°C ~ 85°C
Package / Case	48-TFSOP (0.240", 6.10mm Width)
Mounting Type	Surface Mount
Product Status	Obsolete
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the 74LVC16373APAG is determined by the following critical parameters:

Logic Type: D-Type Transparent Latch
Circuit Configuration: 2 Channel 8:8
Output Type: Tri-State
Package / Case: 48-TFSOP (0.240", 6.10mm Width)
Mounting Type: Surface Mount
Voltage Supply Range: Minimum 1.65V compatibility required
Operating Temperature Range: Minimum -40°C to 85°C coverage required

Substitute parts are grouped into two categories based on voltage supply specifications:

Category A (Full Voltage Range Compatibility): Parts with 1.65V ~ 3.6V supply voltage matching the original specification. These include 74LVC series variants from Texas Instruments and NXP Semiconductors.

Category B (Reduced Voltage Range Compatibility): Parts with 2V ~ 3.6V supply voltage, suitable for applications not requiring sub-2V operation. These include 74LCX series variants from Fairchild Semiconductor and onsemi.

All substitute parts maintain identical logic function, channel configuration, tri-state output capability, and 48-TFSOP package specifications.

Parameter Comparison

Part Number	Manufacturer	Series	Voltage Supply	Propagation Delay	Output Current (H/L)	Operating Temp	Package	Product Status
74LVC16373APAG	Renesas Electronics	74LVC	1.65V ~ 3.6V	2.1ns	24mA / 24mA	-40°C ~ 85°C	48-TFSOP	Obsolete
74LVC162373ADGG,11	NXP Semiconductors	74LVC	Not specified	Not specified	Not specified	Not specified	Not specified	Active
74LVC16373ADGG,118	NXP Semiconductors	74LVC	Not specified	Not specified	Not specified	Not specified	Not specified	Active
74LVC16373ADGGRG4	Texas Instruments	74LVC	1.65V ~ 3.6V	2.1ns	24mA / 24mA	-40°C ~ 85°C	48-TFSOP	Discontinued at DiGi Electronics
SN74LVC16373ADGGR	Texas Instruments	74LVC	1.65V ~ 3.6V	2.1ns	24mA / 24mA	-40°C ~ 85°C	48-TFSOP	Active
SN74LVC16373ADGVR	Texas Instruments	74LVC	1.65V ~ 3.6V	2.1ns	24mA / 24mA	-40°C ~ 85°C	48-TVSOP	Active
SN74LVC16373ADL	Texas Instruments	74LVC	1.65V ~ 3.6V	2.1ns	24mA / 24mA	-40°C ~ 85°C	48-BSSOP	Active
74LCX162373MTDX	Fairchild Semiconductor	74LCX	2V ~ 3.6V	1.5ns	12mA / 12mA	-40°C ~ 85°C	48-TFSOP	Active
74LCX16373MTDX	Fairchild Semiconductor	74LCX	2V ~ 3.6V	5.4ns	24mA / 24mA	-40°C ~ 85°C	48-TFSOP	Active
M74LCX16373DTR2G	onsemi	74LCX	2V ~ 3.6V	5.4ns	24mA / 24mA	-55°C ~ 125°C	48-TFSOP	Active
MC74LCX16373DTG	onsemi	74LCX	2V ~ 3.6V	5.4ns	24mA / 24mA	-55°C ~ 125°C	48-TFSOP	Active

Engineering Selection Recommendations

For Direct Pin-Compatible Replacement (48-TFSOP Package):

SN74LVC16373ADGGR (Texas Instruments) is the primary substitute. This part maintains identical electrical specifications including 1.65V ~ 3.6V supply voltage, 2.1ns propagation delay, and 24mA output current. Product status is Active with full RoHS3 compliance and MSL 1 rating.

For Extended Temperature Range Applications:

M74LCX16373DTR2G and MC74LCX16373DTG (onsemi) provide operating temperature coverage from -55°C to 125°C. These parts operate within 2V ~ 3.6V supply range and maintain 48-TFSOP packaging. Product status is Active for both variants.

For Alternative Package Configurations:

SN74LVC16373ADGVR (Texas Instruments) offers 48-TVSOP packaging (0.173", 4.40mm Width) while maintaining full electrical compatibility with the original part. This variant is suitable for space-constrained PCB layouts.

SN74LVC16373ADL (Texas Instruments) provides 48-BSSOP packaging (0.295", 7.50mm Width) for applications requiring larger pitch spacing.

For Reduced Output Current Applications:

74LCX162373MTDX (Fairchild Semiconductor) delivers 1.5ns propagation delay with 12mA output current, suitable for low-power designs within 2V ~ 3.6V supply range.

All recommended substitutes carry RoHS3 compliance and MSL 1 moisture sensitivity rating, matching the original part's environmental specifications.

Frequently Asked Questions (FAQ)

Q: Can 74LCX series parts replace 74LVC16373APAG in all applications?

A: 74LCX series substitutes operate within 2V ~ 3.6V supply voltage range, compared to the original 1.65V ~ 3.6V specification. Substitution is valid only for applications not requiring sub-2V operation. All other electrical and functional parameters remain compatible.

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

A: Both packages are TSSOP variants with identical pin count and function. The primary difference is physical width: 48-TFSOP measures 0.240" (6.10mm) while 48-TVSOP measures 0.173" (4.40mm). Pin pitch and electrical characteristics remain identical. Selection depends on PCB layout constraints.

Q: Are NXP 74LVC162373ADGG variants direct replacements?

A: NXP parts 74LVC162373ADGG,11 and 74LVC16373ADGG,118 are functionally equivalent. However, detailed electrical specifications (voltage supply, propagation delay, output current) were not provided in the component data. Verification against application requirements is necessary before selection.

Q: Why do some substitutes show faster propagation delay?

A: 74LCX162373MTDX exhibits 1.5ns propagation delay compared to the original 2.1ns specification. Faster propagation delay is a performance enhancement and does not create compatibility issues. This part is suitable for timing-critical applications.

Q: What is the significance of Product Status classifications?

A: The original 74LVC16373APAG is marked Obsolete, indicating discontinued manufacturing. Active status parts (SN74LVC16373ADGGR, M74LCX16373DTR2G, MC74LCX16373DTG) ensure ongoing availability and supply chain continuity. Discontinued at DiGi Electronics status indicates limited distribution channel availability.

Q: Are all substitutes RoHS3 compliant?

A: All listed substitute parts carry RoHS3 compliance certification, matching the original part's environmental compliance status. MSL 1 (Unlimited) moisture sensitivity rating is maintained across all variants.

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