SN74AHCT16245DGGR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Bus Transceiver
• Characteristics: High-speed, Non-Inverting, 16-bit, Tri-State
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: Bidirectional voltage-level translator
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Logic Family: AHCT
• Number of Bits: 16
• Input Voltage Range: 2V to 5.5V
• Output Voltage Range: 2V to 5.5V
• Maximum Operating Frequency: 80 MHz
• Propagation Delay Time: 8 ns
• Supply Voltage: 4.5V to 5.5V
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SN74AHCT16245DGGR has a total of 48 pins, which are divided into two groups: the A-side and the B-side. Each side consists of 24 pins. The pin configuration is as follows:

• A1-A24: A-side data input/output pins
• B1-B24: B-side data input/output pins
• OEAB: Output Enable input for both A-side and B-side
• DIR: Direction control input
• VCC: Positive power supply
• GND: Ground

Functional Features

• Bidirectional voltage-level translation between two independent buses
• Non-inverting logic levels
• Tri-state outputs allow multiple devices to share the same bus
• High-speed operation suitable for fast data transfer
• Wide operating voltage range allows compatibility with various systems

Advantages and Disadvantages

Advantages: - Enables communication between systems with different voltage levels - Non-inverting logic levels preserve signal integrity - Tri-state outputs provide flexibility in bus sharing scenarios - High-speed operation allows for efficient data transfer

Disadvantages: - Limited to 16-bit data transmission - Requires careful consideration of voltage compatibility between systems

Working Principles

The SN74AHCT16245DGGR is a bidirectional bus transceiver that translates logic levels between two independent buses. It operates by receiving data from one bus and transmitting it to the other, while also allowing data flow in the opposite direction. The direction of data flow is controlled by the DIR pin. When the DIR pin is set to a specific logic level, the corresponding bus becomes the input side, and the other bus becomes the output side. The OEAB pin enables or disables the outputs, allowing multiple devices to share the same bus without interfering with each other.

Detailed Application Field Plans

The SN74AHCT16245DGGR is commonly used in various applications where voltage-level translation is required. Some of the typical application fields include:

1. Microcontroller Interfacing: It facilitates communication between microcontrollers operating at different voltage levels.
2. Memory Interfaces: It enables data transfer between memory modules with varying voltage requirements.
3. Industrial Automation: It is used in industrial control systems to interface between different subsystems.
4. Communication Systems: It plays a vital role in connecting devices with different voltage levels in communication networks.
5. Automotive Electronics: It is utilized in automotive electronics to interface between different components operating at different voltages.

Detailed and Complete Alternative Models

1. TXB0108PWR: 8-bit Bidirectional Voltage-Level Translator
2. PCA9306DCTR: Dual Bidirectional I2C-Bus and SMBus Voltage-Level Translator
3. SN74LVC4245APW: Octal Bus Transceiver with 3-State Outputs
4. CD4050BE: Hex Non-Inverting Buffer/Converter

These alternative models offer similar functionality and can be used as substitutes for the SN74AHCT16245DGGR in various applications.

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