SN74LVC8T245DGVR

Name: SN74LVC8T245DGVR
Brand: Texas Instruments
Rating: 4.5 (10 reviews)
Author: Lisleapex

Translation - Voltage Levels 8-Bit Dual-Supply Bus Xcvr

3,700 Effective Inventory

SN74LVC8T245DGVR

Effective Inventory3,700

Translation - Voltage Levels 8-Bit Dual-Supply Bus Xcvr

Manufacturer Part # : SN74LVC8T245DGVR
Package/Case: TVSOP (DGV)-24
Part Status : ACTIVE
Brand: Texas Instruments
Product Categories : Buffers, Drivers, Receivers, Transceivers
Series : 74LVC8T245

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SN74LVC8T245DGVR DataSheet

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SN74LVC8T245DGVR Details

The SN74LVC8T245DGVR is an octal bus transceiver from Texas Instruments, designed for asynchronous communication between two bus systems. This transceiver features 3-state outputs and is suitable for both mixed-voltage and dual-rail systems. It is housed in a VSSOP package, making it ideal for space-constrained applications.

Pinout

1 (A1): Port A Data Input/Output 1
2 (A2): Port A Data Input/Output 2
3 (A3): Port A Data Input/Output 3
4 (A4): Port A Data Input/Output 4
5 (GND): Ground
6 (B4): Port B Data Input/Output 4
7 (B3): Port B Data Input/Output 3
8 (B2): Port B Data Input/Output 2
9 (B1): Port B Data Input/Output 1
10 (OE): Output Enable Input
11 (DIR): Direction Control Input
12 (VCCB): Port B Power Supply
13 (B5): Port B Data Input/Output 5
14 (B6): Port B Data Input/Output 6
15 (B7): Port B Data Input/Output 7
16 (B8): Port B Data Input/Output 8
17 (VCCA): Port A Power Supply
18 (A8): Port A Data Input/Output 8
19 (A7): Port A Data Input/Output 7
20 (A6): Port A Data Input/Output 6
21 (A5): Port A Data Input/Output 5

(Tip: For detailed pinout information, please refer to the corresponding datasheet.)

Key Features

3-State Outputs: Allows independent control of the direction and enables signals.
Mixed-Voltage Operation: Supports mixed-voltage and dual-rail systems.
Space-Saving Package: Housed in a VSSOP package for compact circuit designs.
High-Drive Outputs: Provides high-output drive while maintaining low static power consumption.
Wide Operating Voltage Range: Operates over a wide voltage range, suitable for varied application requirements.

Application

Data Communication: Ideal for asynchronous data communication between different bus systems.
Embedded Systems: Used in embedded systems requiring bidirectional data transfer between different voltage domains.
Interface Conversion: Suitable for level shifting and interface conversion applications in electronic systems.

Where to Use

The SN74LVC8T245DGVR is suitable for applications requiring bidirectional communication between mixed-voltage or dual-rail systems. It is commonly used in embedded systems, interface conversion, and asynchronous data communication applications.

How to Use

Connect the SN74LVC8T245DGVR to the respective bus systems by appropriately wiring the A and B port data input/output pins. Utilize the OE and DIR pins for controlling the direction and enable signals. Refer to the datasheet for detailed usage instructions and application circuit examples.

Application Circuit

The application circuit diagram for the SN74LVC8T245DGVR illustrates how to connect the bus transceiver to different voltage domains for bidirectional data transfer. It includes connections for power supply, ground, and data input/output pins, ensuring proper operation and signal integrity.

(Tip: For detailed circuit diagram connections and usage guide, refer to the datasheet.)

Equivalents

SN74LVC8T245: A similar octal bus transceiver offering comparable features and performance.
74LVC8T245: An alternative bus transceiver compatible with mixed-voltage systems.

Complementary

The SN74LVC8T245DGVR can be complemented by the SN74LVC8T244, a similar bus transceiver with additional control features for enhanced bidirectional communication.

When selecting complementary bus transceivers, ensure their compatibility with your specific system requirements for seamless integration and operation.

Frequently Asked Questions

Q: Can the SN74LVC8T245DGVR operate in mixed-voltage systems?

A: Yes, the SN74LVC8T245DGVR is designed to support mixed-voltage and dual-rail systems, providing bidirectional communication between different voltage domains.

Q: What is the maximum drive strength of the SN74LVC8T245DGVR?

A: The SN74LVC8T245DGVR provides high-output drive while maintaining low static power consumption, ensuring reliable signal integrity and operation.

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Technology family	LVC	Applications	GPIO
Bits (#)	8	High input voltage (min) (V)	1.08
High input voltage (max) (V)	5.5	Vout (min) (V)	1.65
Vout (max) (V)	5.5	Data rate (max) (MBps)	200
IOH (max) (mA)	-32	IOL (max) (mA)	32
Supply current (max) (µA)	25	Features	Output enable, Overvoltage tolerant inputs, Partial power down (Ioff)
Input type	Standard CMOS	Output type	3-State, Balanced CMOS, Push-Pull
Rating	Catalog	Operating temperature range (°C)	-40 to 85

Datasheet PDF

Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.

Preliminary Specification SN74LVC8T245DGVR PDF Download

FAQs

What is SN74LVC8T245DGVR?

The SN74LVC8T245DGVR is an 8-bit dual-supply bus transceiver designed by Texas Instruments. It is ideal for applications requiring bidirectional voltage-level translation between mixed 3.3-V and 5-V systems in portable and battery-powered equipment, laptops, cell phones, and PDAs.

How Does SN74LVC8T245DGVR Work?

The SN74LVC8T245DGVR works by translating signals between two voltage domains, such as 3.3V and 5V, in a bidirectional manner. This enables seamless communication between devices operating at different voltage levels while ensuring signal integrity and reliability.

How Many Pins does SN74LVC8T245DGVR have and What are the Functions of the Pinout Configuration?

The SN74LVC8T245DGVR is housed in a 24-pin TVSOP (Thin Very Small Outline Package) package. The pinout configuration includes:

GND: Ground pin.
B1–B8: Bus B input/output pins.
VCCA: Voltage supply for bus A side.
A1–A8: Bus A input/output pins.
GND: Ground pin.
DIR: Direction control input pin.
GND: Ground pin.
OEn: Output enable input pin.
VCCB: Voltage supply for bus B side.

What are the Pros and Cons of SN74LVC8T245DGVR?

Pros:

Dual-Supply Voltage Translation: Enables bidirectional level translation between mixed 3.3-V and 5-V systems.
Low-Power Consumption: Operates with low power, suitable for battery-powered applications.
High-Speed Operation: Supports high-speed data transfer for efficient communication.
Bidirectional Communication: Facilitates seamless communication between different voltage domains.
Robust and Reliable: Provides reliable signal translation while maintaining signal integrity.

Cons:

Complexity: Requires careful consideration of voltage levels and direction control for proper operation.
External Components: May require additional logic for direction control based on system requirements.
Package Handling: The 24-pin TVSOP package may require appropriate tools for handling and assembly.

Are There Any Equivalents/Alternatives to SN74LVC8T245DGVR for Recommendation?

The equivalent part to the SN74LVC8T245DGVR is the SN74LVC8T245PWR from Texas Instruments.
Alternatives to the SN74LVC8T245DGVR include the 74LVC8T245 from NXP Semiconductors and the AXC8T245 from Diodes Incorporated.