SN74LVCC3245APWR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Level Shifter and Bus Transceiver
• Characteristics: Low-Voltage, Octal-Bit, Bidirectional Transceiver
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: Transfers Data Between Buses Operating at Different Voltage Levels
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

• Supply Voltage Range: 1.65V to 5.5V
• High-Level Input Voltage: 2V to VCC + 0.5V
• Low-Level Input Voltage: -0.5V to 0.8V
• High-Level Output Voltage: VCC - 0.5V
• Low-Level Output Voltage: 0.4V
• Maximum Input Current: ±10mA
• Maximum Output Current: ±32mA
• Propagation Delay Time: 6.3ns (Max) at 3.3V
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SN74LVCC3245APWR has a total of 24 pins arranged as follows:

___________ OE |1 24| VCC A1 |2 23| B1 A2 |3 22| B2 A3 |4 21| B3 A4 |5 20| B4 A5 |6 19| B5 A6 |7 18| B6 A7 |8 17| B7 GND |9 16| B8 DIR |10 15| OE# VCC |11 14| A8 A1 |12 13| A8 ‾‾‾‾‾‾‾‾‾‾‾‾‾

Functional Features

• Bidirectional Data Transfer: Allows data to be transmitted in both directions between two buses.
• Level Shifting: Translates voltage levels between different buses, enabling communication between systems operating at different voltage levels.
• Output Enable Control (OE#): Enables or disables the outputs, providing flexibility in controlling data flow.
• Direction Control (DIR): Determines the direction of data transfer.

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows compatibility with various systems. - Bidirectional functionality simplifies bus communication. - Low propagation delay time ensures fast data transfer. - Small package size saves board space.

Disadvantages: - Limited maximum output current may restrict use in high-current applications. - Not suitable for voltage level shifting beyond the specified range.

Working Principles

The SN74LVCC3245APWR operates by receiving data from one bus and transmitting it to another bus. The bidirectional feature allows data to flow in both directions. The level shifting capability ensures compatibility between buses operating at different voltage levels. The OE# pin controls the output enable function, while the DIR pin determines the direction of data transfer.

Detailed Application Field Plans

The SN74LVCC3245APWR is commonly used in various applications, including:

1. Microcontroller Interfacing: Facilitates communication between microcontrollers operating at different voltage levels.
2. Memory Modules: Enables data transfer between memory modules with varying voltage requirements.
3. Industrial Automation: Connects different subsystems within industrial automation systems, ensuring seamless data exchange.
4. Communication Systems: Integrates into communication systems to interface between different voltage domains.
5. Test and Measurement Equipment: Allows for data transfer between test and measurement equipment with different voltage specifications.

Detailed and Complete Alternative Models

1. SN74LVC245APWR: Similar functionality with a lower supply voltage range (1.65V to 3.6V).
2. SN74LVCHT245APWR: Higher maximum output current (±50mA) but limited to a supply voltage range of 1.65V to 3.6V.
3. SN74AVC4T245PW: Four-bit bidirectional level shifter with a wider supply voltage range (1.2V to 3.6V).

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