74LVC4245AD,112 Equivalent & Substitute Parts

Part Overview

The 74LVC4245AD,112 is a bidirectional voltage level translator IC manufactured by Nexperia USA Inc., designed for logic signal translation between different voltage domains. This 24-SOIC package device features 8 channels in a single circuit configuration with tri-state, non-inverted output capability. The part is currently classified as obsolete, making equivalent and substitute parts essential for ongoing system support and new design implementations. Substitute parts must maintain functional compatibility across voltage translation, channel configuration, and output characteristics while accommodating available packaging options.

Key Parameters

Parameter	Value
Manufacturer Part Number	74LVC4245AD,112
Manufacturer	Nexperia USA Inc.
Category	Logic
Description	IC TRANSLTR BIDIRECTIONAL 24SO
Series	74LVC
Product Status	Obsolete
Translator Type	Voltage Level
Channel Type	Bidirectional
Number of Circuits	1
Channels per Circuit	8
Output Type	Tri-State, Non-Inverted
Operating Temperature	-40°C ~ 85°C (TA)
Mounting Type	Surface Mount
Package / Case	24-SOIC (0.295", 7.50mm Width)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
REACH Status	REACH Unaffected

Substitute Part Grouping Explanation

Substitute parts for the 74LVC4245AD,112 are selected based on the following critical parameters that determine functional compatibility:

Core Functional Requirements:

Translator Type: Voltage Level
Channel Type: Bidirectional
Number of Circuits: 1
Channels per Circuit: 8
Output Type: Tri-State, Non-Inverted
Operating Temperature Range: -40°C ~ 85°C (TA)

Compliance & Environmental:

RoHS Status: ROHS3 Compliant
Moisture Sensitivity Level: 1 (Unlimited)
REACH Status: REACH Unaffected

Substitute parts are grouped into two categories based on package compatibility:

Category A - 24-Pin SOIC/TSSOP Packages: Parts maintaining the 24-pin footprint in SOIC or TSSOP configurations, suitable for direct PCB layout compatibility with minimal redesign.

Category B - Alternative Packages (20-Pin and Compact): Parts with reduced pin counts or alternative form factors (WLCSP, LFCSP, MLP) that require PCB layout modification but offer enhanced electrical performance or space optimization.

Parameter Comparison

Part Number	Manufacturer	Translator Type	Channels	Output Type	Package / Case	Voltage VCCA	Voltage VCCB	Data Rate	Operating Temp	Product Status
74LVC4245AD,112	Nexperia USA Inc.	Voltage Level	8	Tri-State, Non-Inverted	24-SOIC	Not Specified	Not Specified	Not Specified	-40°C ~ 85°C	Obsolete
74LVX3245MTCX	onsemi	Voltage Level	8	Tri-State, Non-Inverted	24-TSSOP	2.7 V ~ 3.6 V	4.5 V ~ 5.5 V	Not Specified	-40°C ~ 85°C	Active
ADG3300BRUZ	Analog Devices Inc.	Voltage Level	8	Tri-State, Non-Inverted	20-TSSOP	1.15 V ~ 5.5 V	1.65 V ~ 5.5 V	50Mbps	-40°C ~ 85°C	Active
ADG3308BCBZ-1-REEL	Analog Devices Inc.	Voltage Level	8	Tri-State, Non-Inverted	20-WLCSP (2.5x2)	1.15 V ~ 5.5 V	1.65 V ~ 5.5 V	50Mbps	-40°C ~ 85°C	Active
ADG3308BCBZ-1-RL7	Analog Devices Inc.	Voltage Level	8	Tri-State, Non-Inverted	20-WLCSP (2.5x2)	1.15 V ~ 5.5 V	1.65 V ~ 5.5 V	50Mbps	-40°C ~ 85°C	Active
ADG3308BCPZ-REEL	Analog Devices Inc.	Voltage Level	8	Tri-State, Non-Inverted	20-LFCSP (4x4)	1.15 V ~ 5.5 V	1.65 V ~ 5.5 V	50Mbps	-40°C ~ 85°C	Active
ADG3308BRUZ-REEL	Analog Devices Inc.	Voltage Level	8	Tri-State, Non-Inverted	20-TSSOP	1.15 V ~ 5.5 V	1.65 V ~ 5.5 V	50Mbps	-40°C ~ 85°C	Active
CLVCC3245AIDWREP	Texas Instruments	Voltage Level	8	Tri-State, Non-Inverted	24-SOIC	2.3 V ~ 3.6 V	3 V ~ 5.5 V	Not Specified	-40°C ~ 85°C	Active
CLVCC4245AMPWREP	Texas Instruments	Voltage Level	8	Tri-State, Non-Inverted	24-TSSOP	4.5 V ~ 5.5 V	2.7 V ~ 5.5 V	Not Specified	-55°C ~ 125°C	Active
FXL4245MPX	onsemi	Voltage Level	8	Tri-State, Non-Inverted	24-WFQFN Exposed Pad	1.1 V ~ 3.6 V	1.1 V ~ 3.6 V	Not Specified	-40°C ~ 85°C	Active
FXLH42245MPX	Fairchild Semiconductor	Voltage Level	8	Tri-State, Non-Inverted	24-WFQFN Exposed Pad	1.1 V ~ 3.6 V	1.1 V ~ 3.6 V	Not Specified	-40°C ~ 85°C	Active

Engineering Selection Recommendations

For Direct PCB Compatibility (24-Pin SOIC Footprint): CLVCC3245AIDWREP (Texas Instruments) is the primary substitute for 24-SOIC package applications. This part maintains the identical 24-SOIC footprint, operates within the -40°C ~ 85°C temperature range, and holds active product status with full ROHS3 compliance and MSL 1 rating. Voltage specifications (VCCA: 2.3 V ~ 3.6 V, VCCB: 3 V ~ 5.5 V) support standard logic translation applications.

For 24-Pin TSSOP Package: 74LVX3245MTCX (onsemi) provides 24-pin TSSOP compatibility with active product status. Voltage ranges (VCCA: 2.7 V ~ 3.6 V, VCCB: 4.5 V ~ 5.5 V) are suitable for 3.3V to 5V translation scenarios.

For Extended Temperature Range: CLVCC4245AMPWREP (Texas Instruments) extends operating temperature to -55°C ~ 125°C in 24-TSSOP package, appropriate for industrial applications requiring wider thermal performance.

For Compact Form Factor with Enhanced Performance: ADG3308 series (Analog Devices Inc.) in 20-TSSOP, 20-WLCSP, or 20-LFCSP packages offers 50Mbps data rate capability with auto-direction sensing and wider voltage range support (VCCA: 1.15 V ~ 5.5 V, VCCB: 1.65 V ~ 5.5 V). These options require PCB layout modification but deliver superior electrical performance.

For Low-Voltage Dual Supply Applications: FXL4245MPX and FXLH42245MPX (onsemi and Fairchild Semiconductor respectively) support symmetric low-voltage operation (1.1 V ~ 3.6 V on both supplies) with power-off protection, suitable for battery-powered and low-power applications.

All recommended substitutes maintain ROHS3 compliance, REACH unaffected status, and MSL 1 rating consistent with the original part.

Frequently Asked Questions (FAQ)

Q: Can I use a 20-pin ADG3308 variant as a direct replacement for the 74LVC4245AD,112?

A: No. The ADG3308 series uses 20-pin packages (TSSOP, WLCSP, LFCSP) versus the 24-pin SOIC of the original part. While functionally equivalent in translator operation, pin count and footprint differences require PCB redesign. Direct PCB compatibility substitutes are CLVCC3245AIDWREP (24-SOIC) or 74LVX3245MTCX (24-TSSOP).

Q: What is the key difference between CLVCC3245AIDWREP and CLVCC4245AMPWREP?

A: Both are Texas Instruments voltage level translators with 8 channels and tri-state output. CLVCC3245AIDWREP operates -40°C ~ 85°C in 24-SOIC package with VCCA 2.3 V ~ 3.6 V and VCCB 3 V ~ 5.5 V. CLVCC4245AMPWREP extends temperature to -55°C ~ 125°C in 24-TSSOP package with reversed voltage ranges (VCCA 4.5 V ~ 5.5 V, VCCB 2.7 V ~ 5.5 V). Select based on temperature requirements and voltage translation direction.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts maintain ROHS3 compliance and REACH unaffected status, consistent with the original 74LVC4245AD,112 environmental certifications.

Q: What does "auto-direction sensing" mean in the ADG3308 series?

A: Auto-direction sensing automatically determines translation direction based on input signal levels, eliminating the need for external direction control signals. This feature simplifies circuit design in applications with bidirectional data flow.

Q: Which substitute offers the highest data rate?

A: ADG3308 series variants (ADG3300BRUZ, ADG3308BCBZ-1-REEL, ADG3308BCBZ-1-RL7, ADG3308BCPZ-REEL, ADG3308BRUZ-REEL) all support 50Mbps data rate, compared to unspecified data rates in other substitutes. Select ADG3308 variants for high-speed applications.

Q: Can I substitute the 74LVC4245AD,112 with FXL4245MPX in a 3.3V to 5V translation application?

A: No. FXL4245MPX supports symmetric voltage ranges (1.1 V ~ 3.6 V on both VCCA and VCCB), making it unsuitable for asymmetric 3.3V to 5V translation. Use 74LVX3245MTCX (VCCA 2.7 V ~ 3.6 V, VCCB 4.5 V ~ 5.5 V) or CLVCC3245AIDWREP (VCCA 2.3 V ~ 3.6 V, VCCB 3 V ~ 5.5 V) for this application.

Q: What is the MSL rating difference between ADG3308BCPZ-REEL and other ADG3308 variants?

A: ADG3308BCPZ-REEL in 20-LFCSP package has MSL 3 (168 Hours), while other ADG3308 variants maintain MSL 1 (Unlimited). MSL 3 requires moisture bake-out procedures before reflow soldering. Select MSL 1 variants (ADG3308BRUZ-REEL, ADG3308BCBZ-1-REEL, ADG3308BCBZ-1-RL7) for standard manufacturing processes.

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