74LVC16373APAG8 Equivalent & Substitute Parts

Part Overview

The 74LVC16373APAG8 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 in 48-TSSOP packaging, this component operates across a 1.65V to 3.6V supply voltage range with 2.1ns propagation delay and 24mA output drive capability. The part is classified as obsolete, necessitating identification of functionally equivalent alternatives from active manufacturers for new designs and ongoing production requirements.

Key Parameters

Parameter	Value
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 Type	48-TFSOP (0.240", 6.10mm Width)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility is determined by strict alignment with the following critical parameters: logic type (D-Type Transparent Latch), circuit configuration (2 Channel 8:8), output type (tri-state), package footprint compatibility (48-TFSOP), and electrical operating ranges. Substitute parts must maintain functional equivalence within the specified voltage supply window, propagation delay tolerance, and output drive characteristics. Parts are grouped by manufacturer and product status (active vs. obsolete), with packaging variants (TSSOP, SSOP, TVSOP) noted where mechanical compatibility differs from the original 48-TFSOP specification.

Parameter Comparison

Part Number	Manufacturer	Series	Status	Voltage Supply	Propagation Delay	Output Current (H/L)	Temp Range	Package	MSL
74LVC16373APAG8	Renesas Electronics	74LVC	Obsolete	1.65V ~ 3.6V	2.1ns	24mA / 24mA	-40°C ~ 85°C	48-TFSOP	1
74LVC162373ADGG,11	NXP Semiconductors	74LVC	Active	Not specified	Not specified	Not specified	Not specified	Not specified	1
SN74LVC16373DL	Texas Instruments	74LVC	Active	1.65V ~ 3.6V	2.1ns	24mA / 24mA	-40°C ~ 85°C	48-SSOP	1
SN74LVC16373ADLR	Texas Instruments	74LVC	Active	1.65V ~ 3.6V	2.1ns	24mA / 24mA	-40°C ~ 85°C	48-SSOP	1
SN74LVC16373ADL	Texas Instruments	74LVC	Active	1.65V ~ 3.6V	2.1ns	24mA / 24mA	-40°C ~ 85°C	48-SSOP	1
SN74LVC16373ADGVR	Texas Instruments	74LVC	Active	1.65V ~ 3.6V	2.1ns	24mA / 24mA	-40°C ~ 85°C	48-TVSOP	1
74LCX162373MTDX	Fairchild Semiconductor	74LCX	Active	2V ~ 3.6V	1.5ns	12mA / 12mA	-40°C ~ 85°C	48-TFSOP	Not specified
74LCX16373MTDX	Fairchild Semiconductor	74LCX	Active	2V ~ 3.6V	5.4ns	24mA / 24mA	-40°C ~ 85°C	48-TFSOP	Not specified
M74LCX16373DTR2G	onsemi	74LCX	Active	2V ~ 3.6V	5.4ns	24mA / 24mA	-55°C ~ 125°C	48-TFSOP	1
MC74LCX16373DTG	onsemi	74LCX	Active	2V ~ 3.6V	5.4ns	24mA / 24mA	-55°C ~ 125°C	48-TFSOP	1
74LVC16373ADGG,118	NXP Semiconductors	74LVC	Active	Not specified	Not specified	Not specified	Not specified	Not specified	1

Engineering Selection Recommendations

For applications requiring direct pin-compatible replacement with identical electrical performance, select from the Texas Instruments 74LVC series variants (SN74LVC16373DL, SN74LVC16373ADLR, SN74LVC16373ADL, SN74LVC16373ADGVR). These parts maintain the original 1.65V to 3.6V supply range, 2.1ns propagation delay, and 24mA output drive. All are ROHS3 compliant with MSL 1 rating. Package variants differ: 48-SSOP (0.295", 7.50mm width) for SN74LVC16373DL, SN74LVC16373ADLR, and SN74LVC16373ADL; 48-TVSOP (0.173", 4.40mm width) for SN74LVC16373ADGVR.

The NXP Semiconductors 74LVC162373ADGG,11 and 74LVC16373ADGG,118 are active alternatives within the 74LVC series, maintaining MSL 1 compliance and REACH unaffected status. Detailed electrical parameters are not provided for these variants.

The Fairchild Semiconductor 74LCX162373MTDX and 74LCX16373MTDX, along with onsemi M74LCX16373DTR2G and MC74LCX16373DTG, represent 74LCX series alternatives. These parts operate within a narrower 2V to 3.6V supply range and exhibit different propagation delay characteristics (1.5ns to 5.4ns). The onsemi variants support an extended operating temperature range of -55°C to 125°C and maintain ROHS3 compliance with MSL 1 rating.

Selection should prioritize active product status and compliance certifications (ROHS3, REACH unaffected) for new designs. Package footprint compatibility must be verified against PCB layout constraints.

Frequently Asked Questions (FAQ)

Q: Can the 74LVC16373APAG8 be directly replaced with any of these substitutes?

A: Direct replacement depends on package compatibility. Texas Instruments 74LVC variants in 48-SSOP packaging (SN74LVC16373DL, SN74LVC16373ADLR, SN74LVC16373ADL) provide electrical equivalence but require PCB layout adjustment due to different package dimensions (0.295" vs. 0.240" width). The SN74LVC16373ADGVR uses 48-TVSOP packaging (0.173" width), also requiring layout modification. Fairchild and onsemi 74LCX variants in 48-TFSOP maintain the original footprint but operate within a narrower voltage range (2V minimum vs. 1.65V).

Q: What is the significance of the 74LVC versus 74LCX series designation?

A: Both series provide D-Type Transparent Latch functionality with tri-state outputs. The 74LVC series supports lower minimum supply voltage (1.65V) compared to 74LCX (2V minimum). The 74LCX series from Fairchild and onsemi exhibits different propagation delay characteristics and output current specifications, which may impact timing-critical applications.

Q: Are all substitute parts ROHS3 compliant?

A: Texas Instruments and onsemi variants explicitly state ROHS3 compliance. NXP Semiconductors parts do not specify RoHS status in the provided data. Fairchild Semiconductor parts do not specify RoHS status. Compliance verification with the component supplier is recommended for applications with RoHS requirements.

Q: What packaging options are available?

A: The original 74LVC16373APAG8 uses 48-TFSOP (0.240", 6.10mm width). Substitute options include 48-SSOP (0.295", 7.50mm width) from Texas Instruments, 48-TVSOP (0.173", 4.40mm width) from Texas Instruments, and 48-TFSOP from Fairchild and onsemi. Package selection affects PCB layout and must be verified against design constraints.

Q: How do propagation delay differences affect circuit performance?

A: The original part specifies 2.1ns propagation delay. Texas Instruments substitutes maintain this specification. Fairchild 74LCX162373MTDX offers faster 1.5ns delay; Fairchild 74LCX16373MTDX and onsemi variants specify 5.4ns delay. Applications with timing-critical requirements must verify propagation delay compatibility with system specifications.

Q: What is the difference between tape & reel and tube packaging?

A: Tape & reel packaging is suitable for automated assembly processes. Tube packaging is used for manual assembly or lower-volume applications. Both provide equivalent component functionality; packaging selection depends on manufacturing process requirements.

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