PI74FCT16245ATV

Product Overview

• Category: Integrated Circuit (IC)
• Use: Bus Transceiver
• Characteristics: High-speed, bidirectional, 16-bit transceiver
• Package: Surface Mount Technology (SMT)
• Essence: Facilitates bidirectional data transfer between two buses with different voltage levels
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Logic Family: FCT
• Number of Bits: 16
• Voltage Level: 3.3V to 5V
• Operating Temperature Range: -40°C to +85°C
• Input/Output Type: Tri-state
• Output Drive Strength: ±24mA
• Propagation Delay: 4.5ns (typical)
• Supply Voltage: 4.5V to 5.5V
• Package Type: TSSOP

Detailed Pin Configuration

The PI74FCT16245ATV has a total of 48 pins, which are divided into four groups:

Group A (Input Pins)

1. A1: Data Input Bit 0
2. A2: Data Input Bit 1
3. A3: Data Input Bit 2
4. A4: Data Input Bit 3
5. A5: Data Input Bit 4
6. A6: Data Input Bit 5
7. A7: Data Input Bit 6
8. A8: Data Input Bit 7

Group B (Output Pins)

1. B1: Data Output Bit 0
2. B2: Data Output Bit 1
3. B3: Data Output Bit 2
4. B4: Data Output Bit 3
5. B5: Data Output Bit 4
6. B6: Data Output Bit 5
7. B7: Data Output Bit 6
8. B8: Data Output Bit 7

Group C (Control Pins)

1. OE*: Output Enable Input
2. DIR: Direction Control Input

Group D (Power and Ground Pins)

1. VCC: Supply Voltage
2. GND: Ground

Functional Features

• Bidirectional data transfer between two buses with different voltage levels
• Tri-state outputs allow multiple devices to share the same bus
• High-speed operation for efficient data transmission
• Robust design ensures reliable performance in various environments

Advantages

• Supports bidirectional communication, enabling versatile applications
• Wide operating voltage range allows compatibility with different systems
• Tri-state outputs enhance bus sharing capabilities
• High-speed operation reduces data transfer time

Disadvantages

• Requires careful consideration of voltage level compatibility between buses
• Propagation delay may affect real-time applications with strict timing requirements
• Sensitive to electrostatic discharge (ESD), necessitating proper handling precautions

Working Principles

The PI74FCT16245ATV is a bidirectional bus transceiver that facilitates data transfer between two buses operating at different voltage levels. It utilizes control signals to enable or disable the direction of data flow. The tri-state outputs allow multiple devices to share the same bus without interfering with each other.

When the DIR pin is set to logic high, the data flows from the A bus to the B bus. Conversely, when the DIR pin is set to logic low, the data flows from the B bus to the A bus. The OE* pin controls the output enable/disable function, allowing the device to be effectively disconnected from the bus when not in use.

Detailed Application Field Plans

The PI74FCT16245ATV finds applications in various fields where bidirectional data transfer between buses with different voltage levels is required. Some common application areas include:

1. Communication Systems: Facilitating data exchange between different communication protocols or interfaces.
2. Embedded Systems: Enabling communication between microcontrollers operating at different voltage levels.
3. Industrial Automation: Connecting sensors and actuators with different voltage requirements to a central control system.
4. Automotive Electronics: Integrating various subsystems with different voltage levels in automotive applications.
5. Computer Peripherals: Enabling data transfer between different components within a computer system.

Detailed and Complete Alternative Models

1. SN74LV245A: Low-voltage, bidirectional octal bus transceiver
2. MC74VHC245: High-speed, CMOS octal bus transceiver
3. CD74HCT245: Octal bus transceiver with 3-state outputs
4. 74ACTQ16245: Quickswitch bus transceiver with 16-bit wide channels

(Note: The above list is not exhaustive and serves as an example of alternative models.)

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