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TXS0108EQPWRQ1

IC TRANSLATOR BIDIR 20TSSOP

Part Number: TXS0108EQPWRQ1

Manufacturer: Texas Instruments

Category: Translators, Level Shifters

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Datasheet:: TXS0108EQPWRQ1.pdf

Description: IC TRANSLATOR BIDIR 20TSSOP

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PRODUCT INFORMATION

Product Details

PRODUCT TECHNICAL REFERENCE

TXS0108EQPWRQ1 Automotive 8-Bit Bidirectional Voltage Level Translator for Open-Drain and Push-Pull Applications

A comprehensive technical overview of the TXS0108EQPWRQ1, an AEC-Q100 qualified 8-bit bidirectional voltage-level translator from Texas Instruments featuring two separate configurable power-supply rails, 110Mbps data rate (push-pull), 1.4V to 3.6V on A port and 1.65V to 5.5V on B port, and auto-direction sensing. Covers device function, core features, electrical specifications, 20-lead TSSOP package, pin configuration, typical applications, and replacement selection guidance.

Texas Instruments 20-TSSOP (4.40mm × 6.50mm) 1.4V to 5.5V

Device Classification 8-Bit Bidirectional Voltage Level Translator

Part Number: TXS0108EQPWRQ1

Mounting Type: Surface Mount

Operating Temperature Range: -40°C to +125°C

PRODUCT OVERVIEW

What Is the TXS0108EQPWRQ1?

TXS0108EQPWRQ1 is an AEC-Q100 qualified 8-bit non-inverting level translator from Texas Instruments which uses two separate configurable power-supply rails. The A port tracks the V_CCA pin supply voltage, accepting any supply voltage between 1.4V and 3.6V. The B port tracks the V_CCB pin supply voltage, accepting any supply voltage between 1.65V and 5.5V. Two input supply pins allow for low-voltage bidirectional translation between any of the 1.5V, 1.8V, 2.5V, 3.3V, and 5V voltage nodes.

The TXS0108EQPWRQ1 is designed for automotive applications and is AEC-Q100 qualified with device temperature grade 1: –40°C to 125°C. The device features no direction-control signal needed, maximum data rates of 110Mbps (push-pull) and 1.2Mbps (open-drain), and no power-supply sequencing required – either V_CCA or V_CCB can be ramped first.

When the output-enable (OE) input is low, all outputs are placed in the high-impedance (Hi-Z) state. To put the device in the Hi-Z state during power-up or power-down periods, tie OE to GND through a pull-down resistor. The device is available in a 20-pin TSSOP package (PW) with 2,000 units per reel, rated for operation from –40°C to +125°C. The device is RoHS compliant, REACH unaffected, and in active production.

Auto-Bidirectional Level Translation No direction-control signal needed for 8-bit bidirectional voltage translation between 1.5V, 1.8V, 2.5V, 3.3V, and 5V nodes.

Wide Voltage Range 1.4V to 3.6V on A port, 1.65V to 5.5V on B port with V_CCA ≤ V_CCB requirement.

High-Speed Data Rates 110Mbps (push-pull) and 1.2Mbps (open-drain) supporting I²C, MDIO, PMBus, SMBus, and SPI interfaces.

DEVICE HIGHLIGHTS

Key Features and Benefits of TXS0108EQPWRQ1

AEC-Q100 Qualified for Automotive

Device temperature grade 1: –40°C to 125°C, HBM ESD classification level 2, and CDM ESD classification level C6, making it suitable for harsh automotive environments.

No Direction-Control Signal Needed

Auto-direction sensing eliminates the need for a separate direction-control signal, simplifying PCB layout and reducing GPIO requirements.

High-Speed Data Rates

Supports 110Mbps in push-pull applications and 1.2Mbps in open-drain applications, ideal for I²C, MDIO, PMBus, SMBus, and SPI interfaces.

Wide Voltage Translation Range

A port: 1.4V to 3.6V, B port: 1.65V to 5.5V (V_CCA ≤ V_CCB), enabling translation between 1.5V, 1.8V, 2.5V, 3.3V, and 5V logic levels.

No Power-Supply Sequencing Required

Either V_CCA or V_CCB can be ramped first, simplifying power-up and power-down management in multi-voltage systems.

Robust ESD Protection

ESD protection exceeds JESD 22 (A port): 2000V HBM, 150V MM, 1000V CDM. IEC 61000-4-2 ESD (B port): ±8kV Contact Discharge, ±6kV Air Discharge.

REFERENCE DATA

Technical Specifications for TXS0108EQPWRQ1

Part Number	TXS0108EQPWRQ1	Manufacturer	Texas Instruments
Device Type	8-Bit Bidirectional Voltage Level Translator	Channels	8
V_CCA Voltage Range	1.4V to 3.6V	V_CCB Voltage Range	1.65V to 5.5V (V_CCA ≤ V_CCB)
Data Rate (Push-Pull)	110Mbps	Data Rate (Open-Drain)	1.2Mbps
Output Type	Open-Drain, Push-Pull	Direction Control	Auto-Direction Sensing
Package / Case	20-TSSOP (0.173", 4.40mm Width)	Supplier Device Package	20-TSSOP
Package Body Size	4.40mm × 6.50mm	Pin Count	20
Mounting Type	Surface Mount	Operating Temperature	-40°C to +125°C
AEC-Q100 Qualification	Yes – Grade 1	ESD Classification (HBM)	Level 2
ESD Classification (CDM)	Level C6	Latch-Up Performance	>100mA per JESD 78, Class II
ESD Protection (A Port)	2000V HBM, 150V MM, 1000V CDM	ESD Protection (B Port)	IEC 61000-4-2: ±8kV Contact, ±6kV Air
RoHS	ROHS3 Compliant	REACH Status	REACH Unaffected
Lead Finish / Ball Material	NiPdAu	MSL Level / Peak Reflow	Level-1-260C-UNLIM
Product Status	Active	ECCN	EAR99
Packaging	Tape & Reel (2,000 per Reel)	Device Marking	YF08EQ1
Output Enable (OE)	Active High (Hi-Z when Low)	Power Supply Sequencing	Not Required

Electrical values shown above are reference values. Test conditions, limits, and guaranteed performance should always be confirmed from the current official manufacturer datasheet before design or production use.

DESIGN REFERENCE

Circuit Considerations for TXS0108EQPWRQ1

Power Supply & Voltage Translation

The TXS0108EQPWRQ1 uses two separate configurable power-supply rails:

V_CCA: A port supply voltage, accepts 1.4V to 3.6V
V_CCB: B port supply voltage, accepts 1.65V to 5.5V
Voltage Translation: Supports translation between 1.5V, 1.8V, 2.5V, 3.3V, and 5V nodes
V_CCA ≤ V_CCB: Must be ensured at all times during operation
No Sequencing Required: Either V_CCA or V_CCB can be ramped first

PCB and System-Level Guidance

Level translator performance depends on layout and system design:

Output Enable (OE): Tie OE to GND through a pull-down resistor to place device in Hi-Z during power-up/down
Internal Pull-Up Resistors: The device has smart internal pull-up resistors for open-drain applications
PCB Layout: Keep supply bypass capacitors close to V_CCA and V_CCB pins for stable operation
Signal Integrity: Match trace impedances and minimize trace lengths for high-speed data rates up to 110Mbps
Verify the recommended PCB footprint from the official datasheet prior to production

20-LEAD TSSOP (4.40mm × 6.50mm)

Pin Configuration Reference for TXS0108EQPWRQ1

TXS0108

TSSOP TOP VIEW

Confirm package orientation and pin numbering against the official package drawing before PCB layout. The TSSOP package has 20 pins with a 4.40mm × 6.50mm body size. The device marking is YF08EQ1.

1 V_CCA A Port Supply Voltage - 1.4V to 3.6V

2 A1 Port A I/O - Channel 1

3 A2 Port A I/O - Channel 2

4 A3 Port A I/O - Channel 3

5 A4 Port A I/O - Channel 4

6 A5 Port A I/O - Channel 5

7 A6 Port A I/O - Channel 6

8 A7 Port A I/O - Channel 7

9 A8 Port A I/O - Channel 8

10 GND Ground

11 B8 Port B I/O - Channel 8

12 B7 Port B I/O - Channel 7

13 B6 Port B I/O - Channel 6

14 B5 Port B I/O - Channel 5

15 B4 Port B I/O - Channel 4

16 B3 Port B I/O - Channel 3

17 B2 Port B I/O - Channel 2

18 B1 Port B I/O - Channel 1

19 V_CCB B Port Supply Voltage - 1.65V to 5.5V

20 OE Output Enable - Active High; Low = Hi-Z

APPLICATION AREAS

Typical Applications for TXS0108EQPWRQ1

Automotive Infotainment & Navigation

Level translation between different voltage domains in automotive head units, navigation systems, and communication interfaces.

MCU-to-Sensor Interfacing

Shift GPIO and peripheral signal levels when connecting microcontrollers to sensors or modules that use different I/O voltages.

Automotive Electronic Control Units (ECUs)

Bridge logic levels between vehicle telematics or communications modules and domain controllers.

I²C, MDIO, PMBus, SMBus, SPI

Ideal for open-drain and push-pull applications including I²C, MDIO, PMBus, SMBus, and SPI interfaces.

Automotive Lighting Systems

Level translation for automotive lighting control modules requiring multi-voltage communication.

Mixed-Voltage Digital Buses

Enables communication between devices operating at different logic levels in mixed-voltage digital bus systems.

REPLACEMENT GUIDANCE

Selecting an Alternative for TXS0108EQPWRQ1

A replacement for the TXS0108EQPWRQ1 should not be selected solely by product category. The electrical characteristics, package, and pin configuration must be evaluated against the specific circuit requirements. The following alternatives are documented in the official Texas Instruments product pages and datasheets.

Channels: 8-bit bidirectional

V_CCA range: 1.4V–3.6V

V_CCB range: 1.65V–5.5V

Data rate: 110Mbps (push-pull)

Data rate: 1.2Mbps (open-drain)

Package: 20-TSSOP

Temperature range: –40°C to 125°C (AEC-Q100 Grade 1)

Auto-direction sensing: Yes

Family alternatives (same function, different package or grade):

Part Number	Package	Qualification	Packaging	Carrier Quantity
TXS0108EQPWRQ1	20-TSSOP	AEC-Q100 Grade 1	Tape & Reel	2,000
TXS0108EPWR	20-TSSOP	Standard (Non-Automotive)	Tape & Reel	2,000
TXS0108ERGYR	20-VQFN (3.50mm × 4.50mm)	Standard (Non-Automotive)	Tape & Reel	3,000

All alternative part numbers listed above are documented in the official Texas Instruments product pages. The TXS0108EQPWRQ1 is the AEC-Q100 qualified automotive-grade version in a 20-TSSOP package with tape-and-reel packaging (2,000 units per reel). For non-automotive applications in the same package, consider TXS0108EPWR. For a smaller QFN package option, consider TXS0108ERGYR. Select based on automotive qualification, package, and packaging requirements.

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MANUFACTURER INFORMATION

Texas Instruments

The TXS0108 (TXS0108EQPWRQ1) belongs to the TXS0108E-Q1 family of 8-bit bidirectional voltage level translators from Texas Instruments. The device features auto-direction sensing, eliminating the need for a direction-control signal, and supports both open-drain and push-pull applications. The TXS0108E-Q1 family is AEC-Q100 qualified for automotive applications and is widely used in automotive infotainment, ECUs, I²C, MDIO, PMBus, SMBus, and SPI interfaces.

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Haishengye Electronics provides electronic component stock supply, BOM sourcing, quotation support, and quality inspection services for TXS0108EQPWRQ1 and related devices.

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Technical Information Disclaimer

This technical guide is provided for product identification and preliminary reference only. Electrical limits, package dimensions, pin configuration, product status, and application suitability must be verified using current official manufacturer documentation before design, procurement, or production.

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Specifications

Product Attribute: Attribute Value

Part Number: TXS0108EQPWRQ1

Manufacturer: Texas Instruments

Package

Series: -

Package/Case

Packaging: Tape & Reel (TR)

Product Status: Active

Translator Type: Voltage Level

Channel Type: Bidirectional

Number of Circuits: 1

Channels per Circuit: 8

Voltage - VCCA: 1.4 V ~ 3.6 V

Voltage - VCCB: 1.65 V ~ 5.5 V

Input Signal: -

Output Signal: -

Output Type: Open Drain, Push-Pull

Data Rate: 110Mbps

Operating Temperature: -40°C ~ 125°C (TA)

Grade: Automotive

Qualification: AEC-Q100

Features: Auto-Direction Sensing

Mounting Type: Surface Mount

Supplier Device Package: 20-TSSOP (0.173", 4.40mm Width)

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Contact our sales team within the agreed period if there are quantity differences, incorrect items or clear external defects. Products should remain unused and in their original packaging.

7. Can I request technical support for TXS0108EQPWRQ1?

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TXS0108EQPWRQ1 is manufactured by Texas Instruments. This page provides purchasing information including manufacturer, category, package, datasheet, stock reference, price reference and product specifications.

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Part Number: TXS0108EQPWRQ1

Manufacturer: Texas Instruments

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Category: Translators, Level Shifters

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