74ALVC162835ADGG Universal Bus Driver 18-Bit Equivalent & Substitute Parts

Part Overview

The 74ALVC162835ADGG is an 18-bit universal bus driver manufactured by Nexperia USA Inc., housed in a 56-TSSOP package. This logic IC is designed for low-voltage applications requiring signal buffering and distribution across 18 parallel lines. The part is currently classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and production continuity. Substitute parts must maintain functional compatibility through matching logic type, bit count, output current capability, and supply voltage range while accommodating package and series variations.

Key Parameters

Parameter	Value
Manufacturer Part Number	74ALVC162835ADGG
Manufacturer	Nexperia USA Inc.
Logic Type	Universal Bus Driver
Number of Circuits	18-Bit
Current - Output High, Low	12mA, 12mA
Voltage - Supply	1.2V ~ 3.6V
Operating Temperature	-40°C ~ 85°C
Package / Case	56-TFSOP (0.240", 6.10mm Width)
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution eligibility for the 74ALVC162835ADGG is determined by the following critical parameters:

Primary Compatibility Criteria:

Logic Type: Universal Bus Driver (18-Bit configuration)
Output Current Capability: Minimum 12mA (high and low)
Supply Voltage Range: Must encompass or overlap with 1.2V ~ 3.6V
Operating Temperature: -40°C ~ 85°C
Mounting Type: Surface Mount
Package compatibility: 56-pin TSSOP, SSOP, or TVSOP variants

Substitution Groups:

Group 1 - Direct Pin-Compatible Substitutes (56-TSSOP Package, 12mA Output)

SN74ALVC162835DGGR (Texas Instruments): Active status, identical output current, expanded supply voltage (1.65V ~ 3.6V)

Group 2 - Higher Output Current Variants (56-TSSOP/SSOP/TVSOP Packages, 24mA Output)

SN74ALVC16835DGGR (56-TSSOP, 24mA)
SN74ALVC16835DGVR (56-TVSOP, 24mA)
SN74ALVC16835DL (56-SSOP, 24mA)
SN74ALVCH16835DGGR (56-TSSOP, 24mA)
SN74ALVCH16835DGVR (56-TVSOP, 24mA)

Group 3 - Intermediate Output Current Variants (56-TSSOP/TVSOP Packages, 18mA Output)

SN74ALVCF162835GR (56-TSSOP, 18mA, higher minimum supply voltage 2.3V)
SN74ALVCF162835VR (56-TVSOP, 18mA, higher minimum supply voltage 2.3V)

Group 4 - Alternative Package Variant (56-SSOP Package, 12mA Output)

SN74ALVC162835DL (56-SSOP, discontinued at DiGi Electronics)

All substitute parts maintain ROHS3 compliance, MSL Level 1, and identical operating temperature range.

Parameter Comparison

Part Number	Manufacturer	Series	Logic Type	Circuits	Output Current (mA)	Supply Voltage (V)	Package	Product Status	Inventory (Pcs)
74ALVC162835ADGG	Nexperia USA Inc.	74ALVC	Universal Bus Driver	18-Bit	12, 12	1.2 ~ 3.6	56-TFSOP	Obsolete	814
SN74ALVC162835DGGR	Texas Instruments	74ALVC	Universal Bus Driver	18-Bit	12, 12	1.65 ~ 3.6	56-TFSOP	Active	5400
SN74ALVC162835DL	Texas Instruments	74ALVC	Universal Bus Driver	18-Bit	12, 12	1.65 ~ 3.6	56-BSSOP	Discontinued	2384
SN74ALVC16835DGGR	Texas Instruments	74ALVC	Universal Bus Driver	18-Bit	24, 24	1.65 ~ 3.6	56-TFSOP	Active	2200
SN74ALVC16835DGVR	Texas Instruments	74ALVC	Universal Bus Driver	18-Bit	24, 24	1.65 ~ 3.6	56-TFSOP	Discontinued	759
SN74ALVC16835DL	Texas Instruments	74ALVC	Universal Bus Driver	18-Bit	24, 24	1.65 ~ 3.6	56-BSSOP	Active	944
SN74ALVCF162835GR	Texas Instruments	74ALVCF	Universal Bus Driver	18-Bit	18, 18	2.3 ~ 3.6	56-TFSOP	Active	3850
SN74ALVCF162835VR	Texas Instruments	74ALVCF	Universal Bus Driver	18-Bit	18, 18	2.3 ~ 3.6	56-TFSOP	Active	14892
SN74ALVCH16835DGGR	Texas Instruments	74ALVCH	Universal Bus Driver	18-Bit	24, 24	1.65 ~ 3.6	56-TFSOP	Active	648
SN74ALVCH16835DGVR	Texas Instruments	74ALVCH	Universal Bus Driver	18-Bit	24, 24	1.65 ~ 3.6	56-TFSOP	Active	667

Engineering Selection Recommendations

For Direct Replacement (Identical Electrical Performance): SN74ALVC162835DGGR is the primary substitute. It maintains 12mA output current and operates across the required temperature range. The supply voltage minimum increases from 1.2V to 1.65V, which is acceptable for most applications operating above 1.65V. Active product status and high inventory (5400 pcs) ensure long-term availability and supply chain stability.

For Higher Output Current Requirements: The SN74ALVC16835 series (24mA output) and SN74ALVCH16835 series (24mA output) provide increased drive capability. These are suitable when the original 12mA specification is insufficient. All variants maintain the 56-pin package footprint in TSSOP, TVSOP, or SSOP configurations. Active status across multiple variants ensures design flexibility.

For Constrained Supply Voltage Applications (≥2.3V): The SN74ALVCF162835 series (18mA output) operates with a minimum supply voltage of 2.3V. This series is appropriate only for applications where the supply voltage does not drop below 2.3V. High inventory availability (14892 pcs for TVSOP variant) supports production volume requirements.

For Package-Specific Constraints:

56-TSSOP (0.240" width): SN74ALVC162835DGGR, SN74ALVC16835DGGR, SN74ALVCF162835GR, SN74ALVCH16835DGGR
56-TVSOP (0.173" width): SN74ALVC16835DGVR, SN74ALVCF162835VR, SN74ALVCH16835DGVR
56-SSOP (0.295" width): SN74ALVC162835DL, SN74ALVC16835DL

All substitute parts maintain ROHS3 compliance and MSL Level 1 rating, ensuring compatibility with standard manufacturing and storage protocols.

Frequently Asked Questions (FAQ)

Q: Can SN74ALVC162835DGGR be used as a direct drop-in replacement for 74ALVC162835ADGG? A: Yes, with one consideration. The supply voltage minimum increases from 1.2V to 1.65V. If your application operates above 1.65V, this part is fully compatible. The output current (12mA), bit count (18-Bit), package (56-TFSOP), and operating temperature range (-40°C ~ 85°C) are identical.

Q: What is the difference between the 74ALVC and 74ALVCF series? A: The 74ALVCF series has a higher minimum supply voltage (2.3V vs. 1.65V) and intermediate output current (18mA vs. 12mA or 24mA). Use 74ALVCF only if your supply voltage is constrained to 2.3V or higher.

Q: Can I use a 24mA output variant (SN74ALVC16835) instead of the 12mA original? A: Yes. Higher output current is backward compatible for applications designed for 12mA. The 24mA variants provide additional drive capability without affecting circuit functionality. Verify that your PCB layout and thermal design accommodate the increased power dissipation.

Q: What is the difference between 56-TSSOP, 56-TVSOP, and 56-SSOP packages? A: These are all 56-pin surface-mount packages with different body widths. 56-TFSOP (TSSOP) is 0.240" wide, 56-TFSOP (TVSOP) is 0.173" wide, and 56-BSSOP (SSOP) is 0.295" wide. Package selection depends on PCB layout constraints. Pin assignments are identical across all variants.

Q: Why is the original 74ALVC162835ADGG marked as obsolete? A: Nexperia has discontinued this part number. Texas Instruments offers functionally equivalent alternatives through the SN74ALVC162835 and related series, ensuring continued design support and production availability.

Q: Are all substitute parts ROHS3 compliant? A: Yes. All listed substitute parts maintain ROHS3 compliance and MSL Level 1 rating, meeting standard environmental and manufacturing requirements.

Q: Which substitute has the highest inventory availability? A: SN74ALVCF162835VR (56-TVSOP variant) has the highest inventory at 14892 pcs. SN74ALVC162835DGGR (56-TSSOP variant) has 5400 pcs and is the recommended direct replacement.

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