74ALVC164245PVG Equivalent & Substitute Parts

Part Overview

The 74ALVC164245PVG is a voltage level translator with bidirectional capability, manufactured by Renesas Electronics Corporation. This logic IC features 2 circuits with 8 channels per circuit in a 48-SSOP package, designed to translate signals between VCCA (2.7V–3.6V) and VCCB (4.5V–5.5V) supply domains. The part is currently active in production with ROHS3 compliance and AEC-Q100 qualification available in variant forms. Substitute parts are necessary when addressing supply constraints, packaging preferences, temperature range requirements, or manufacturer availability.

Key Parameters

Parameter	Value
Manufacturer Part Number	74ALVC164245PVG
Manufacturer	Renesas Electronics Corporation
Series	74ALVC
Translator Type	Voltage Level
Channel Type	Bidirectional
Number of Circuits	2
Channels per Circuit	8
Voltage - VCCA	2.7V – 3.6V
Voltage - VCCB	4.5V – 5.5V
Output Type	Tri-State, Non-Inverted
Operating Temperature	-40°C – 85°C (TA)
Mounting Type	Surface Mount
Package / Case	48-BSSOP (0.295", 7.50mm Width)
Supplier Device Package	48-SSOP
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	3 (168 Hours)
Product Status	Active

Substitute Part Grouping Explanation

Substitution eligibility for the 74ALVC164245PVG is determined by the following critical parameters:

Translator Type & Channel Configuration: Bidirectional voltage level translation with 2 circuits and 8 channels per circuit
Output Characteristics: Tri-state, non-inverted output topology
Package Compatibility: 48-pin surface mount packages (48-SSOP or 48-TSSOP variants acceptable)
Voltage Domain Support: Ability to translate between low-voltage (1.5V–3.6V) and high-voltage (3V–5.5V) domains
Operating Temperature Range: Minimum -40°C to 85°C; extended range (-55°C to 125°C) available in automotive-grade variants
Compliance & Certification: ROHS3 compliance required; AEC-Q100 qualification preferred for automotive applications

Substitute parts are grouped into three categories:

Direct Functional Equivalents (Same Series, Different Packaging): Parts maintaining 74ALVC series characteristics with alternative package formats (48-TSSOP vs. 48-SSOP)
Cross-Series Alternatives (Different Manufacturer, Compatible Specifications): Texas Instruments 74LVC and 74LVCH series, onsemi 74VCX series, offering equivalent bidirectional translation with tri-state outputs
Extended Temperature & Automotive Variants: CALVC and automotive-qualified 74ALVC variants supporting -55°C to 125°C operation

Parameter Comparison

Part Number	Manufacturer	Series	Translator Type	Channels (2 × N)	VCCA Range	VCCB Range	Output Type	Temp Range	Package	Product Status
74ALVC164245PVG	Renesas	74ALVC	Voltage Level	2 × 8	2.7V – 3.6V	4.5V – 5.5V	Tri-State, Non-Inverted	-40°C – 85°C	48-BSSOP	Active
SN74LVC16T245DL	Texas Instruments	74LVC	Translation Transceiver	2 × 8	1.65V – 5.5V	1.65V – 5.5V	3-State	-40°C – 85°C	48-BSSOP	Active
SN74LVCH16T245DL	Texas Instruments	74LVCH	Translation Transceiver	2 × 8	1.65V – 5.5V	1.65V – 5.5V	3-State	-40°C – 85°C	48-BSSOP	Active
74ALVC164245DGG-QJ	Nexperia USA Inc.	74ALVC	Voltage Level	2 × 8	1.5V – 3.6V	1.5V – 5.5V	Tri-State, Non-Inverted	-40°C – 125°C	48-TFSOP	Active
74ALVC164245DGGRE4	Texas Instruments	74ALVC	Voltage Level	2 × 8	2.3V – 3.6V	3V – 5.5V	Tri-State, Non-Inverted	-40°C – 85°C	48-TFSOP	Discontinued at DiGi Electronics
74VCX163245MTDX	onsemi	74VCX	Translation Transceiver	2 × 8	1.65V – 3.6V	1.65V – 3.6V	3-State	-40°C – 85°C	48-TFSOP	Obsolete
74VCX164245MTDX	onsemi	74VCX	3-State Output	2 × 8	Not Specified	Not Specified	3-State	-40°C – 85°C	48-TFSOP	Active
CALVC164245IDGGREP	Texas Instruments	74ALVC	Voltage Level	2 × 8	2.3V – 3.6V	3V – 5.5V	Tri-State, Non-Inverted	-40°C – 85°C	48-TFSOP	Active
CALVC164245IDLREP	Texas Instruments	74ALVC	Voltage Level	2 × 8	2.3V – 3.6V	3V – 5.5V	Tri-State, Non-Inverted	-40°C – 85°C	48-BSSOP	Active
CALVC164245MDGGREP	Texas Instruments	74ALVC	Voltage Level	2 × 8	2.3V – 3.6V	3V – 5.5V	Tri-State, Non-Inverted	-55°C – 125°C	48-TFSOP	Active
CLVC16T245MDGGEP	Texas Instruments	74LVC	Translation Transceiver	2 × 8	1.65V – 5.5V	1.65V – 5.5V	3-State	-40°C – 85°C	48-TFSOP	Active

Engineering Selection Recommendations

Primary Substitutes (Recommended for Direct Replacement)

CALVC164245IDLREP (Texas Instruments): Maintains 74ALVC series voltage level translation characteristics with identical 48-BSSOP package. Voltage ranges (VCCA 2.3V–3.6V, VCCB 3V–5.5V) are compatible with the original part's operating domain. Active product status with unlimited MSL rating. Suitable for standard industrial temperature range applications (-40°C to 85°C).
CALVC164245MDGGREP (Texas Instruments): Extended temperature variant (-55°C to 125°C) in 48-TFSOP package. Recommended for automotive and harsh environment applications requiring wider operating temperature range. Active product status with unlimited MSL.

Secondary Substitutes (Cross-Series Alternatives)

SN74LVC16T245DL or CLVC16T245MDGGEP (Texas Instruments 74LVC series): Provide bidirectional translation with 3-state output in 2 × 8 channel configuration. Wider supply voltage range (1.65V–5.5V) accommodates both low and high voltage domains. Active product status. Suitable when supply voltage flexibility is required.
SN74LVCH16T245DL (Texas Instruments 74LVCH series): Similar to 74LVC variant with identical electrical characteristics and 48-BSSOP package option. Active product status with unlimited MSL.

Avoid or Use with Caution

74ALVC164245DGGRE4 (Texas Instruments): Discontinued at DiGi Electronics; use only if existing inventory is available and long-term supply is not critical.
74VCX163245MTDX (onsemi): Marked as obsolete; not recommended for new designs.
74VCX164245MTDX (onsemi): Active status but limited parameter specification in provided data; verify complete electrical compatibility before selection.

All recommended substitutes maintain ROHS3 compliance and EAR99 export classification consistent with the original part.

Frequently Asked Questions (FAQ)

Q: Can I substitute the 74ALVC164245PVG with a 74LVC series part?

A: Yes, with verification. The 74LVC16T245 series (SN74LVC16T245DL, CLVC16T245MDGGEP) provides equivalent bidirectional translation with 2 × 8 channel configuration and 3-state output. The primary difference is voltage domain flexibility: 74LVC supports 1.65V–5.5V on both supply pins, whereas the original 74ALVC164245PVG is optimized for asymmetric voltage translation (VCCA 2.7V–3.6V, VCCB 4.5V–5.5V). Confirm your application's voltage requirements before substitution.

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

A: Both are 48-pin surface mount packages with different physical dimensions. The 48-BSSOP (0.295", 7.50mm width) is the original package for 74ALVC164245PVG. The 48-TFSOP (0.240", 6.10mm width) is a narrower variant used in CALVC and automotive-qualified parts. Pin pitch and electrical connectivity are identical; the difference is board layout footprint. Verify PCB design compatibility before selecting a package variant.

Q: Is the automotive-grade 74ALVC164245DGG-QJ (Nexperia) a direct replacement?

A: Functionally yes, with package and temperature considerations. The Nexperia part maintains 74ALVC series voltage level translation and bidirectional 2 × 8 channel configuration. It offers extended temperature range (-40°C to 125°C) and AEC-Q100 qualification, making it suitable for automotive applications. However, it uses the 48-TFSOP package instead of 48-BSSOP, requiring PCB footprint verification. Voltage ranges are also slightly broader (VCCA 1.5V–3.6V, VCCB 1.5V–5.5V).

Q: Why would I choose CALVC164245MDGGREP over the original part?

A: The CALVC164245MDGGREP variant extends operating temperature to -55°C to 125°C, making it suitable for industrial and automotive environments with extreme temperature exposure. It maintains the same voltage level translation characteristics and tri-state output topology. Use this variant if your application requires operation beyond the standard -40°C to 85°C range.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All parts listed in the substitute table are ROHS3 compliant and carry EAR99 export classification, matching the original 74ALVC164245PVG compliance profile.

Q: What should I verify before finalizing a substitute part selection?

A: Confirm the following: (1) Voltage domain requirements match the substitute's VCCA and VCCB ranges; (2) PCB footprint accommodates the selected package (48-BSSOP vs. 48-TFSOP); (3) Operating temperature range meets application requirements; (4) Product status is active or inventory is confirmed available; (5) MSL rating is appropriate for your manufacturing process and storage conditions.

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