SN74ABTH245PWR

Overview

Category: Integrated Circuit (IC)

Use: Level Shifting and Bus Transceiver

Characteristics: - Bidirectional voltage level shifting - 8-bit wide transceiver - Compatible with TTL, LVTTL, and LVCMOS logic levels - High-speed operation - Low power consumption - ESD protection on all pins - Available in TSSOP package

Package: TSSOP-20

Essence: The SN74ABTH245PWR is a versatile integrated circuit that provides bidirectional voltage level shifting and acts as an 8-bit wide bus transceiver. It is commonly used to interface between different logic families, such as TTL, LVTTL, and LVCMOS.

Packaging/Quantity: The SN74ABTH245PWR is available in a TSSOP-20 package and is typically sold in reels or tubes containing multiple units.

Specifications

• Supply Voltage Range: 2 V to 5.5 V
• Input Voltage Range: 0 V to VCC
• Output Voltage Range: 0 V to VCC
• Operating Temperature Range: -40°C to +85°C
• Maximum Propagation Delay: 6 ns
• Maximum Output Current: ±12 mA

Pin Configuration

The SN74ABTH245PWR has a total of 20 pins arranged in a TSSOP package. The pin configuration is as follows:

__ __ A1 |1 \/ 20| VCC B1 |2 19| OE# A2 |3 18| B2 B2 |4 17| A3 A3 |5 16| B3 B3 |6 15| A4 A4 |7 14| B4 B4 |8 13| A5 GND|9 12| B5 DIR|10 11| A6 ----------

Functional Features

• Bidirectional voltage level shifting: Allows for seamless communication between different logic families.
• 8-bit wide transceiver: Enables the transmission of data on an 8-bit bus.
• Output enable (OE#) pin: Controls the direction of data flow.
• ESD protection on all pins: Ensures robustness against electrostatic discharge.

Advantages and Disadvantages

Advantages: - Versatile compatibility with TTL, LVTTL, and LVCMOS logic levels. - High-speed operation for efficient data transfer. - Low power consumption for energy efficiency. - ESD protection on all pins ensures reliability.

Disadvantages: - Limited to 8-bit data transmission. - Requires careful consideration of voltage levels when interfacing with different logic families.

Working Principles

The SN74ABTH245PWR operates by receiving input signals from one logic family and translating them into compatible output signals for another logic family. It utilizes bidirectional voltage level shifting to ensure seamless communication between different logic levels. The direction of data flow is controlled by the output enable (OE#) pin. The integrated ESD protection on all pins safeguards the IC against damage caused by electrostatic discharge.

Detailed Application Field Plans

The SN74ABTH245PWR finds applications in various fields where voltage level shifting and bus transceiver functionality are required. Some common application areas include:

1. Microcontroller interfacing: Facilitating communication between microcontrollers operating at different logic levels.
2. Communication systems: Enabling data exchange between devices using different logic families.
3. Industrial automation: Integrating different control systems that utilize diverse logic levels.
4. Automotive electronics: Interfacing between various components in automotive systems.

Detailed and Complete Alternative Models

1. SN74LVC245APWR
2. SN74LVCH245APW
3. SN74HCT245PWT
4. SN74ACT245DWR
5. SN74AHC245PW

These alternative models offer similar functionality to the SN74ABTH245PWR and can be considered as alternatives based on specific requirements.

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