74LVC162373ADL,112 Equivalent & Substitute Parts

Part Overview

The 74LVC162373ADL,112 is a 16-bit D-type transparent latch IC manufactured by Nexperia USA Inc., designed for logic applications requiring tri-state output capability. This component features dual 8:8 channel configuration with 48-SSOP surface mount packaging. The part is currently classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement.

Key Parameters

Parameter	Value
Manufacturer Part Number	74LVC162373ADL,112
Manufacturer	Nexperia USA Inc.
Logic Type	D-Type Transparent Latch
Circuit Configuration	2 Channel 8:8
Output Type	Tri-State
Voltage Supply Range	1.2V ~ 3.6V
Propagation Delay	3.3ns
Output Current (High/Low)	12mA / 12mA
Operating Temperature	-40°C ~ 125°C
Package Type	48-BSSOP (0.295", 7.50mm Width)
Product Status	Obsolete
RoHS Compliance	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the 74LVC162373ADL,112 is determined by the following critical parameters:

Logic type: D-Type Transparent Latch
Circuit configuration: 2 independent channels with 8:8 configuration
Output type: Tri-State capability
Supply voltage compatibility: Minimum 1.2V support required
Package compatibility: 48-pin surface mount variants (SSOP, TSSOP, TVSOP)
Output current capability: Minimum 12mA per channel
Operating temperature range: Minimum -40°C to 85°C overlap

Substitute parts are grouped into two categories: direct package equivalents (48-SSOP) and compatible package alternatives (48-TSSOP, 48-TVSOP) that maintain electrical equivalence while offering different form factors.

Parameter Comparison

Part Number	Manufacturer	Logic Type	Channels	Supply Voltage	Propagation Delay (ns)	Output Current (mA)	Temp Range (°C)	Package	Status
74LVC162373ADL,112	Nexperia USA Inc.	D-Type Transparent Latch	2 (8:8)	1.2V ~ 3.6V	3.3	12 / 12	-40 ~ 125	48-BSSOP	Obsolete
SN74LVC16373ADL	Texas Instruments	D-Type Transparent Latch	2 (8:8)	1.65V ~ 3.6V	2.1	24 / 24	-40 ~ 85	48-BSSOP	Active
SN74LVC16373ADLR	Texas Instruments	D-Type Transparent Latch	2 (8:8)	1.65V ~ 3.6V	2.1	24 / 24	-40 ~ 85	48-BSSOP	Active
74LVC16373APVG	IDT, Integrated Device Technology Inc	D-Type Transparent Latch	2 (8:8)	2.3V ~ 3.6V	2.1	24 / 24	-40 ~ 85	48-BSSOP	Active
SN74LVC16373ADGGR	Texas Instruments	D-Type Transparent Latch	2 (8:8)	1.65V ~ 3.6V	2.1	24 / 24	-40 ~ 85	48-TSSOP	Active
SN74LVC16373ADGVR	Texas Instruments	D-Type Transparent Latch	2 (8:8)	1.65V ~ 3.6V	2.1	24 / 24	-40 ~ 85	48-TVSOP	Active
SN74LVC16373DGGR	Texas Instruments	D-Type Transparent Latch	2 (8:8)	1.65V ~ 3.6V	2.1	24 / 24	-40 ~ 85	48-TSSOP	Active
74LCX162373MTDX	Fairchild Semiconductor	D-Type Transparent Latch	2 (8:8)	2V ~ 3.6V	1.5	12 / 12	-40 ~ 85	48-TSSOP	Active
74LCX16373MTDX	Fairchild Semiconductor	D-Type Transparent Latch	2 (8:8)	2V ~ 3.6V	5.4	24 / 24	-40 ~ 85	48-TSSOP	Active
74LVC16373ADGGRG4	Texas Instruments	D-Type Transparent Latch	2 (8:8)	1.65V ~ 3.6V	2.1	24 / 24	-40 ~ 85	48-TSSOP	Discontinued at DiGi Electronics
CLVC16373AMDLREP	Texas Instruments	D-Type Transparent Latch	1 (8:8)	1.65V ~ 3.6V	1.3	24 / 24	-55 ~ 125	48-BSSOP	Active

Engineering Selection Recommendations

For applications requiring direct replacement of the 74LVC162373ADL,112, the following active parts are recommended based on product status and compliance:

Primary Recommendations (48-BSSOP Package Match):

SN74LVC16373ADL and SN74LVC16373ADLR from Texas Instruments are the preferred direct substitutes. Both maintain the 48-BSSOP package footprint, support dual 8:8 channel configuration with tri-state output, and are actively manufactured. These parts offer improved propagation delay (2.1ns versus 3.3ns) and higher output current capability (24mA versus 12mA). Both are ROHS3 compliant with unlimited moisture sensitivity level rating.

74LVC16373APVG from IDT provides an alternative 48-BSSOP option with identical electrical performance to the Texas Instruments variants, maintaining active product status and ROHS3 compliance.

Alternative Recommendations (Package Variants):

For designs permitting package changes, SN74LVC16373ADGGR and SN74LVC16373DGGR offer 48-TSSOP packaging with equivalent electrical specifications to the SSOP variants. SN74LVC16373ADGVR provides a 48-TVSOP option for space-constrained applications.

Not Recommended:

CLVC16373AMDLREP features single-channel configuration (1 channel 8:8) versus the dual-channel requirement of the original part and is not suitable as a direct substitute.

74LCX162373MTDX and 74LCX16373MTDX from Fairchild Semiconductor operate at reduced minimum supply voltage (2V versus 1.2V) and are not compatible with applications requiring the full 1.2V lower operating limit.

Frequently Asked Questions (FAQ)

Q: Can SN74LVC16373ADL directly replace 74LVC162373ADL,112 without PCB modifications?

A: Yes. Both parts use 48-BSSOP packaging with identical pinout and footprint. No PCB layout changes are required. The SN74LVC16373ADL is pin-compatible and functionally equivalent for dual 8:8 channel D-type transparent latch applications.

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

A: These are surface mount package variants with different physical dimensions. 48-BSSOP measures 0.295" width (7.50mm), 48-TSSOP measures 0.240" width (6.10mm), and 48-TVSOP measures 0.173" width (4.40mm). All maintain 48-pin configuration and electrical equivalence. Package selection depends on PCB space availability and design constraints.

Q: Why does the original part specify 1.2V minimum supply voltage while most substitutes specify 1.65V?

A: The 74LVC162373ADL,112 from Nexperia supports extended low-voltage operation down to 1.2V. Most active substitute parts from Texas Instruments and other manufacturers specify 1.65V minimum. For applications requiring 1.2V operation, verify substitute part datasheets confirm this specification before selection.

Q: Are all recommended substitutes ROHS3 compliant?

A: All Texas Instruments variants (SN74LVC16373 series) and IDT 74LVC16373APVG are ROHS3 compliant with unlimited moisture sensitivity level. Fairchild Semiconductor 74LCX series parts do not list ROHS3 compliance in the provided specifications.

Q: What is the significance of propagation delay differences between parts?

A: Propagation delay (2.1ns for most active substitutes versus 3.3ns for the original) indicates the time required for output changes to respond to input changes. Faster propagation delay (lower ns value) improves circuit timing performance. For most applications, the improved 2.1ns specification of substitute parts provides performance enhancement without compatibility issues.

Q: Can CLVC16373AMDLREP be used as a substitute?

A: No. CLVC16373AMDLREP is a single-channel device (1 channel 8:8) while the original 74LVC162373ADL,112 is dual-channel (2 channels 8:8). The circuit configuration difference makes this part incompatible for direct substitution.

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