74ALVT162240DGG:11 Equivalent & Substitute Parts

Part Overview

The 74ALVT162240DGG:11 is a 4-element, 4-bit inverting buffer IC with 3-state output capability, manufactured by NXP USA Inc. in a 48-TSSOP package. This component operates across dual voltage supply ranges (2.3V–2.7V and 3V–3.6V) and is rated for industrial temperature environments (-40°C to 85°C).

The 74ALVT162240DGG:11 is classified as obsolete. Equivalent and substitute parts are necessary to maintain design continuity, ensure supply chain availability, and support ongoing production requirements for legacy systems utilizing this logic buffer architecture.

Key Parameters

Parameter	Value
Logic Type	Buffer, Inverting
Number of Elements	4
Number of Bits per Element	4
Output Type	3-State
Current - Output High, Low	12mA, 12mA
Voltage - Supply	2.3V–2.7V, 3V–3.6V
Operating Temperature	-40°C to 85°C (TA)
Mounting Type	Surface Mount
Package / Case	48-TFSOP (0.240", 6.10mm Width)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the 74ALVT162240DGG:11 is determined by the following critical parameters:

Logic Architecture: Buffer, Inverting with 4 elements, 4 bits per element, 3-state output
Voltage Supply Compatibility: Operating range 2.3V–3.6V (dual supply bands)
Output Current Capability: Minimum 12mA output drive (high and low)
Temperature Rating: -40°C to 85°C industrial range
Package Compatibility: 48-pin surface mount packages (TSSOP, SSOP, TVSOP variants)
Compliance: ROHS3 and REACH requirements

Substitute parts must maintain functional equivalence across these parameters. Variations in output current capability (higher drive strength) and package form factor (SSOP, TVSOP) are permissible when the core logic function and voltage/temperature ratings remain compatible.

Parameter Comparison

Parameter	74ALVT162240DGG:11 (NXP)	SN74ALVTH16240DL (TI)	SN74ALVTH16240DLR (TI)	SN74ALVTH16240GR (TI)	SN74ALVTH16240VR (TI)	SN74LVT162240DGGR (TI)
Manufacturer	NXP USA Inc.	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments
Series	74ALVT	74ALVTH	74ALVTH	74ALVTH	74ALVTH	74LVT
Logic Type	Buffer, Inverting	Buffer, Inverting	Buffer, Inverting	Buffer, Inverting	Buffer, Inverting	Buffer, Inverting
Number of Elements	4	4	4	4	4	4
Number of Bits per Element	4	4	4	4	4	4
Output Type	3-State	3-State	3-State	3-State	3-State	3-State
Current - Output High, Low	12mA, 12mA	32mA, 64mA	32mA, 64mA	32mA, 64mA	32mA, 64mA	12mA, 12mA
Voltage - Supply	2.3V–2.7V, 3V–3.6V	2.3V–2.7V, 3V–3.6V	2.3V–2.7V, 3V–3.6V	2.3V–2.7V, 3V–3.6V	2.3V–2.7V, 3V–3.6V	2.7V–3.6V
Operating Temperature	-40°C to 85°C (TA)	-40°C to 85°C (TA)	-40°C to 85°C (TA)	-40°C to 85°C (TA)	-40°C to 85°C (TA)	-40°C to 85°C (TA)
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Package / Case	48-TFSOP (0.240", 6.10mm)	48-BSSOP (0.295", 7.50mm)	48-BSSOP (0.295", 7.50mm)	48-TFSOP (0.240", 6.10mm)	48-TFSOP (0.173", 4.40mm)	48-TFSOP (0.240", 6.10mm)
Product Status	Obsolete	Obsolete	Discontinued at DiGi Electronics	Obsolete	Discontinued at DiGi Electronics	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

SN74LVT162240DGGR (Texas Instruments) is the primary recommended substitute. This part maintains identical output current specifications (12mA, 12mA) and package form factor (48-TFSOP, 0.240", 6.10mm) as the original 74ALVT162240DGG:11. The SN74LVT162240DGGR operates within a narrower voltage supply range (2.7V–3.6V) compared to the original dual-band specification (2.3V–2.7V, 3V–3.6V), but remains compatible with standard 3.3V logic systems. Critically, the SN74LVT162240DGGR maintains Active product status, ensuring long-term availability and supply chain continuity. All compliance certifications (ROHS3, REACH Unaffected) are maintained.

SN74ALVTH16240GR (Texas Instruments) provides functional equivalence with enhanced output drive capability (32mA, 64mA) and identical package geometry (48-TFSOP, 0.240", 6.10mm). This part is suitable for applications requiring higher output current. Voltage supply and temperature ratings remain fully compatible.

SN74ALVTH16240DL and SN74ALVTH16240DLR (Texas Instruments) offer equivalent logic function with higher output current (32mA, 64mA) but utilize a wider package footprint (48-BSSOP, 0.295", 7.50mm). These parts are suitable only when PCB layout accommodates the larger package dimensions.

SN74ALVTH16240VR (Texas Instruments) provides the most compact package option (48-TFSOP, 0.173", 4.40mm) with enhanced output drive (32mA, 64mA), suitable for space-constrained applications.

Frequently Asked Questions (FAQ)

Q: Can the SN74LVT162240DGGR replace the 74ALVT162240DGG:11 in all applications?

A: The SN74LVT162240DGGR is functionally equivalent for applications operating within the 2.7V–3.6V supply range. If your design requires operation at 2.3V–2.7V, this substitute is not suitable. Verify your system's actual supply voltage specification before substitution.

Q: What is the difference between the 74ALVTH and 74LVT series substitutes?

A: Both series provide inverting buffer logic with 3-state output. The 74ALVTH series (Texas Instruments) offers higher output current (32mA, 64mA) compared to the original 74ALVT specification (12mA, 12mA). The 74LVT series maintains the original output current specification (12mA, 12mA). Series selection depends on your circuit's output load requirements.

Q: Are package differences between TSSOP, SSOP, and TVSOP significant for substitution?

A: Yes. TSSOP (0.240", 6.10mm width) and TVSOP (0.173", 4.40mm width) are pin-compatible but have different PCB footprints. SSOP (0.295", 7.50mm width) requires a larger footprint. Verify PCB layout compatibility before selecting a substitute with a different package designation. Pin count and pinout remain identical across all variants.

Q: Why is the SN74LVT162240DGGR recommended despite its narrower voltage range?

A: The SN74LVT162240DGGR maintains Active product status, ensuring availability and long-term supply chain support. Its 2.7V–3.6V range covers standard 3.3V logic systems. If your application requires the 2.3V–2.7V band, select SN74ALVTH16240GR or SN74ALVTH16240DL instead.

Q: Are all substitute parts ROHS3 and REACH compliant?

A: Yes. All listed substitute parts maintain ROHS3 Compliant and REACH Unaffected status, matching the original 74ALVT162240DGG:11 compliance profile.

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