SN74LVC8T245MDWREP Equivalent & Substitute Parts

Part Overview

The SN74LVC8T245MDWREP is a Translation Transceiver logic IC manufactured by Texas Instruments, designed for 8-bit bidirectional signal translation with 3-state output capability. Operating across a supply voltage range of 1.65V to 5.5V, this device is housed in a 24-SOIC package and is classified as Active product status. The part is ROHS3 compliant with MSL rating of 3 (168 Hours). Substitute parts are identified when equivalent functional performance can be achieved through alternative packaging, voltage specifications, or manufacturer offerings while maintaining core transceiver functionality.

Key Parameters

Parameter	Value
Logic Type	Translation Transceiver
Number of Elements	1
Number of Bits per Element	8
Output Type	3-State
Current - Output High, Low	32mA, 32mA
Voltage - Supply	1.65V ~ 5.5V
Operating Temperature	-55°C ~ 125°C (TA)
Package / Case	24-SOIC (0.295", 7.50mm Width)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	3 (168 Hours)

Substitute Part Grouping Explanation

Substitution eligibility for the SN74LVC8T245MDWREP is determined by the following criteria:

Core Functional Requirements:

Logic Type: Translation Transceiver
Number of Bits per Element: 8
Output Type: 3-State
Number of Elements: 1

Electrical Compatibility Parameters:

Voltage - Supply range must overlap or encompass 1.65V ~ 5.5V
Current - Output High, Low: 32mA, 32mA (or equivalent)
Operating Temperature range must support -55°C ~ 125°C or be suitable for the intended application

Mechanical Compatibility:

Package / Case: Surface Mount variants acceptable (24-SOIC, 24-TSSOP, 24-DHVQFN, 24-MLP, 20-TSSOP)
Mounting Type: Surface Mount

Compliance Requirements:

RoHS Status: ROHS3 Compliant
REACH Status: REACH Unaffected

Substitute parts may differ in packaging format, MSL rating, operating temperature range, or manufacturer while maintaining functional equivalence for 8-bit translation transceiver applications.

Parameter Comparison

Part Number	Manufacturer	Logic Type	Bits per Element	Output Type	Voltage - Supply	Current Output (mA)	Operating Temp (°C)	Package	Product Status
SN74LVC8T245MDWREP	Texas Instruments	Translation Transceiver	8	3-State	1.65V ~ 5.5V	32, 32	-55 ~ 125	24-SOIC	Active
74AVC8T245PW-Q100J	Nexperia USA Inc.	Translation Transceiver	8	3-State	0.8V ~ 3.6V	12, 12	-40 ~ 125	24-TSSOP	Active
74LVCH8T245BQ,118	Nexperia USA Inc.	Translation Transceiver	8	3-State	1.2V ~ 5.5V	32, 32	-40 ~ 125	24-DHVQFN	Active
74LVC4245ABQ,118	Nexperia USA Inc.	Voltage Level Translator	8	Tri-State	VCCA: 1.5V ~ 5.5V; VCCB: 1.5V ~ 3.6V	-	-40 ~ 125	24-DHVQFN	Active
74LVC4245APW-Q100J	Nexperia USA Inc.	Voltage Level Translator	8	Tri-State	VCCA: 1.5V ~ 5.5V; VCCB: 1.5V ~ 3.6V	-	-40 ~ 125	24-TSSOP	Active
FXL4245MPX	onsemi	Voltage Level Translator	8	Tri-State, Non-Inverted	1.1V ~ 3.6V	-	-40 ~ 85	24-MLP	Active
MAX3001EEUP+T	Analog Devices Inc./Maxim Integrated	Voltage Level Translator	8	Tri-State, Non-Inverted	VCCA: 1.2V ~ 5.5V; VCCB: 1.65V ~ 5.5V	-	-40 ~ 85	20-TSSOP	Active
NVT2008PW,118	NXP USA Inc.	Voltage Level Translator	8	Open Drain, Push-Pull	VCCA: 1V ~ 3.6V; VCCB: 1.8V ~ 5.5V	-	-40 ~ 85	20-TSSOP	Active

Engineering Selection Recommendations

Primary Substitutes (Highest Compatibility):

74LVCH8T245BQ,118 and 74AVC8T245PW-Q100J maintain the core Translation Transceiver architecture with 8-bit, 3-state output configuration. Both are Active status products with ROHS3 compliance. The 74LVCH8T245BQ,118 offers identical output current specifications (32mA) and extended upper voltage support (1.2V ~ 5.5V), with operating temperature range of -40°C ~ 125°C in 24-DHVQFN packaging. The 74AVC8T245PW-Q100J operates at lower voltage levels (0.8V ~ 3.6V) with reduced output current (12mA) in 24-TSSOP packaging, suitable for lower-power applications.

Secondary Substitutes (Functional Equivalence with Packaging Variation):

74LVC4245ABQ,118 and 74LVC4245APW-Q100J function as bidirectional voltage level translators with 8-channel, tri-state output capability. These parts support dual supply voltages (VCCA: 1.5V ~ 5.5V; VCCB: 1.5V ~ 3.6V) and operate across -40°C ~ 125°C. Both are Active status with ROHS3 compliance. Selection between 24-DHVQFN and 24-TSSOP packaging depends on board layout requirements.

Alternative Substitutes (Extended Functionality):

FXL4245MPX (onsemi) and MAX3001EEUP+T (Analog Devices Inc./Maxim Integrated) provide bidirectional voltage level translation with 8 channels and tri-state output. FXL4245MPX includes power-off protection and operates -40°C ~ 85°C in 24-MLP packaging. MAX3001EEUP+T features auto-direction sensing with 4Mbps data rate capability, operates -40°C ~ 85°C in 20-TSSOP packaging. Both are Active status with ROHS3 compliance.

Limited Substitution (Functional Differences):

NVT2008PW,118 (NXP USA Inc.) provides bidirectional voltage level translation with 8 channels but employs open-drain and push-pull output types rather than 3-state. Dual supply voltage configuration (VCCA: 1V ~ 3.6V; VCCB: 1.8V ~ 5.5V) and -40°C ~ 85°C operating range. Active status with ROHS3 compliance. Suitable only when open-drain or push-pull output characteristics are acceptable.

Frequently Asked Questions (FAQ)

Q: Can 74AVC8T245PW-Q100J directly replace SN74LVC8T245MDWREP?

A: 74AVC8T245PW-Q100J maintains the 8-bit translation transceiver function with 3-state output. However, it operates at lower voltage levels (0.8V ~ 3.6V versus 1.65V ~ 5.5V) and provides reduced output current (12mA versus 32mA). Substitution is valid only if the application operates within the lower voltage range and current requirements do not exceed 12mA per output.

Q: What is the difference between Translation Transceiver and Voltage Level Translator?

A: Translation Transceivers (SN74LVC8T245MDWREP, 74LVCH8T245BQ,118, 74AVC8T245PW-Q100J) perform unidirectional or fixed-direction signal translation with 3-state output control. Voltage Level Translators (74LVC4245 series, FXL4245MPX, MAX3001EEUP+T, NVT2008PW,118) typically support bidirectional signal flow with automatic or manual direction sensing. Functional equivalence depends on application requirements for directionality and control.

Q: Does packaging affect substitution eligibility?

A: Packaging format (24-SOIC, 24-TSSOP, 24-DHVQFN, 24-MLP, 20-TSSOP) does not affect electrical function but impacts board layout, thermal performance, and assembly compatibility. All listed substitutes use surface mount technology. Pin count and pinout must be verified against PCB design before substitution.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All substitute parts listed maintain ROHS3 compliance and REACH Unaffected status, consistent with the main part specification.

Q: What is the significance of MSL rating differences?

A: The main part SN74LVC8T245MDWREP carries MSL 3 (168 Hours), indicating moisture sensitivity requiring controlled storage and handling. Most substitute parts carry MSL 1 (Unlimited), indicating lower moisture sensitivity and reduced storage constraints. MSL 1 parts offer handling flexibility advantages in manufacturing environments.

Q: Can FXL4245MPX be used in applications requiring -55°C operation?

A: No. FXL4245MPX operates only to -40°C minimum, whereas SN74LVC8T245MDWREP supports -55°C. Substitution is invalid for applications requiring extended low-temperature operation below -40°C.

Q: What output current specifications should be verified for substitution?

A: The main part provides 32mA output current (both high and low). Substitute parts vary: 74LVCH8T245BQ,118 matches at 32mA; 74AVC8T245PW-Q100J reduces to 12mA. Verify application load requirements do not exceed the substitute part's output current rating before selection.

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