74ALVC16841MTD Equivalent & Substitute Parts

Part Overview

The 74ALVC16841MTD is a D-Type Transparent Latch IC with 2 independent channels in a 56-TSSOP package, manufactured by onsemi. This component features tri-state output capability and operates across a 1.65V to 3.6V supply voltage range, making it suitable for low-voltage bus interface applications. The part is currently listed as obsolete, necessitating identification of active equivalent alternatives from other manufacturers that maintain functional and electrical compatibility.

Key Parameters

Parameter	Value
Logic Type	D-Type Transparent Latch
Circuit Configuration	10:10 (2 Channels)
Output Type	Tri-State
Supply Voltage Range	1.65V ~ 3.6V
Propagation Delay	1ns
Output Current (High/Low)	24mA / 24mA
Operating Temperature	-40°C ~ 85°C
Mounting Type	Surface Mount
Package	56-TFSOP (0.240", 6.10mm Width)
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the 74ALVC16841MTD is determined by strict equivalence across the following critical parameters:

Logic Type: D-Type Transparent Latch with identical 10:10 channel configuration
Output Type: Tri-State capability
Supply Voltage Range: 1.65V ~ 3.6V compatibility
Propagation Delay: 1ns
Operating Temperature Range: -40°C ~ 85°C
Mounting Type: Surface Mount
Moisture Sensitivity Level: 1 (Unlimited)

Substitute parts are grouped based on output current capability and package form factor. Parts with 24mA output current (matching the original specification) are direct functional equivalents. Parts with 12mA output current represent reduced-drive alternatives suitable for applications with lower current demands. Package variations (56-TSSOP vs. 56-SSOP) are noted as mechanical considerations for PCB layout compatibility.

Parameter Comparison

Parameter	74ALVC16841MTD (onsemi)	SN74ALVCH16841DLR (TI)	SN74ALVCH16841DL (TI)	SN74ALVCH16841DGGR (TI)	SN74ALVCH162841DL (TI)	SN74ALVCH162841GR (TI)
Logic Type	D-Type Transparent Latch	D-Type Transparent Latch	D-Type Transparent Latch	D-Type Transparent Latch	D-Type Transparent Latch	D-Type Transparent Latch
Circuit Configuration	10:10	10:10	10:10	10:10	10:10	10:10
Output Type	Tri-State	Tri-State	Tri-State	Tri-State	Tri-State	Tri-State
Supply Voltage	1.65V ~ 3.6V	1.65V ~ 3.6V	1.65V ~ 3.6V	1.65V ~ 3.6V	1.65V ~ 3.6V	1.65V ~ 3.6V
Propagation Delay	1ns	1ns	1ns	1ns	1ns	1ns
Output Current (High/Low)	24mA / 24mA	24mA / 24mA	24mA / 24mA	24mA / 24mA	12mA / 12mA	12mA / 12mA
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C
Package / Case	56-TFSOP (0.240", 6.10mm)	56-BSSOP (0.295", 7.50mm)	56-BSSOP (0.295", 7.50mm)	56-TFSOP (0.240", 6.10mm)	56-BSSOP (0.295", 7.50mm)	56-TFSOP (0.240", 6.10mm)
Product Status	Obsolete	Active	Active	Active	Active	Active
RoHS Status	Not specified	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

For direct replacement of the 74ALVC16841MTD, select from the following Texas Instruments SN74ALVCH series parts, all of which are active products with ROHS3 compliance:

Full Current Equivalents (24mA output):

SN74ALVCH16841DGGR: 56-TFSOP package (identical footprint to original)
SN74ALVCH16841DL: 56-BSSOP package (wider footprint)
SN74ALVCH16841DLR: 56-BSSOP package (wider footprint)

Reduced Current Alternatives (12mA output):

SN74ALVCH162841GR: 56-TFSOP package (identical footprint to original)
SN74ALVCH162841DL: 56-BSSOP package (wider footprint)

Selection between full current and reduced current variants depends on application load requirements. Package selection (56-TFSOP vs. 56-BSSOP) is determined by PCB layout constraints and available board space.

Frequently Asked Questions (FAQ)

Q: Can SN74ALVCH162841 variants replace the 74ALVC16841MTD directly?

A: SN74ALVCH162841 parts are functionally compatible but feature reduced output current (12mA vs. 24mA). They are suitable for applications where output current requirements do not exceed 12mA per channel. All other electrical parameters remain equivalent.

Q: What is the difference between 56-TFSOP and 56-BSSOP packages?

A: 56-TFSOP has a 0.240" (6.10mm) width, while 56-BSSOP has a 0.295" (7.50mm) width. The SN74ALVCH16841DGGR and SN74ALVCH162841GR maintain the original 56-TFSOP footprint. The DL and DLR variants use the wider 56-BSSOP package and require PCB layout modification.

Q: Are all substitute parts RoHS compliant?

A: Yes. All Texas Instruments SN74ALVCH series substitutes listed are ROHS3 compliant, whereas the original 74ALVC16841MTD RoHS status is not specified.

Q: What is the product status significance?

A: The 74ALVC16841MTD is obsolete, meaning onsemi no longer manufactures or supports this part. All listed substitutes are active products with ongoing manufacturer support and availability.

Q: Do all substitutes operate at the same voltage and temperature ranges?

A: Yes. All substitute parts maintain the 1.65V to 3.6V supply voltage range and -40°C to 85°C operating temperature range, ensuring thermal and electrical compatibility.

Q: Is there a performance difference in propagation delay?

A: No. All parts, including substitutes, specify 1ns propagation delay, ensuring timing equivalence in bus interface applications.

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