PI74FCT162245CTVE

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Translator
• Characteristics: High-speed, bidirectional voltage translation
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: Voltage level shifting between different logic families
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 4.5V to 5.5V
• Logic Family: FCT
• Number of Channels: 16
• Input/Output Type: Tri-State
• Output Drive Strength: ±24mA
• Propagation Delay: 3.8ns (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The PI74FCT162245CTVE has a total of 48 pins, arranged as follows:

___________ | | A1 |1 48| VCC A2 |2 47| B1 A3 |3 46| B2 A4 |4 45| B3 A5 |5 44| B4 A6 |6 43| B5 A7 |7 42| B6 A8 |8 41| B7 A9 |9 40| B8 A10 |10 39| B9 A11 |11 38| B10 A12 |12 37| B11 A13 |13 36| B12 A14 |14 35| B13 A15 |15 34| B14 A16 |16 33| B15 GND |17 32| B16 OE |18 31| DIR Y1 |19 30| A16 Y2 |20 29| A15 Y3 |21 28| A14 Y4 |22 27| A13 Y5 |23 26| A12 Y6 |24 25| A11 |___________|

Functional Features

• Bidirectional voltage translation between two logic families
• High-speed operation for efficient data transfer
• Tri-State outputs allow multiple devices to share a common bus
• Output drive strength ensures reliable signal transmission

Advantages and Disadvantages

Advantages: - Fast propagation delay enables high-speed data transfer - Tri-State outputs facilitate bus sharing among multiple devices - Wide supply voltage range allows compatibility with various systems

Disadvantages: - Limited number of channels (16) - Requires careful consideration of input/output voltage levels

Working Principles

The PI74FCT162245CTVE is designed to translate voltage levels between different logic families. It operates bidirectionally, allowing data to be transferred from one logic family to another and vice versa. The device utilizes a combination of level-shifting circuitry and tri-state buffers to achieve this functionality.

When the output enable (OE) pin is active, the device allows data to flow freely between the input and output pins. When the OE pin is inactive, the outputs are in a high-impedance state, effectively disconnecting them from the bus.

The PI74FCT162245CTVE is powered by a supply voltage within the range of 4.5V to 5.5V, making it compatible with a wide range of systems.

Detailed Application Field Plans

The PI74FCT162245CTVE is commonly used in applications where voltage translation between different logic families is required. Some typical application fields include:

1. Microcontroller interfacing: The device enables communication between microcontrollers operating at different voltage levels.
2. Memory systems: It facilitates data transfer between memory modules with varying logic family voltages.
3. Communication interfaces: The PI74FCT162245CTVE allows for voltage level shifting in various communication protocols, such as UART, SPI, and I2C.

Detailed and Complete Alternative Models

1. SN74LVCH16245A: Similar bidirectional voltage translator with 16 channels, operates at a lower supply voltage range of 1.65V to 3.6V.
2. TXB0108: Octal bidirectional voltage-level translator with 8 channels, supports voltage translation between multiple logic families.
3. PCA9306: Dual bidirectional I2C-bus and SMBus voltage-level translator, specifically designed for I2C communication.

These alternative models offer similar functionality to the PI74FCT162245CTVE and can be considered based on specific application requirements.

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