FXL4T245BQX

Product Overview

• Category: Integrated Circuit (IC)
• Use: Level Shifter
• Characteristics: High-speed, bidirectional voltage level translation
• Package: 48-pin TSSOP (Thin Shrink Small Outline Package)
• Essence: Translates logic levels between different voltage domains
• Packaging/Quantity: Tape and reel packaging, 2500 units per reel

Specifications

• Supply Voltage: 1.2V to 3.6V
• Input Voltage Levels: 0V to VCC
• Output Voltage Levels: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay: 5.5ns (typical)
• Output Drive Capability: ±24mA

Pin Configuration

The FXL4T245BQX has a total of 48 pins arranged as follows:

+-------------------+ OE# |1 48| VCC A1IN |2 47| B1OUT A2IN |3 46| B2OUT A3IN |4 45| B3OUT A4IN |5 44| B4OUT A5IN |6 43| B5OUT A6IN |7 42| B6OUT A7IN |8 41| B7OUT A8IN |9 40| B8OUT A9IN |10 39| B9OUT A10IN |11 38| B10OUT A11IN |12 37| B11OUT A12IN |13 36| B12OUT A13IN |14 35| B13OUT A14IN |15 34| B14OUT A15IN |16 33| B15OUT A16IN |17 32| B16OUT VCCA1 |18 31| VCCB1 VCCA2 |19 30| VCCB2 VCCA3 |20 29| VCCB3 VCCA4 |21 28| VCCB4 VCCA5 |22 27| VCCB5 VCCA6 |23 26| VCCB6 VCCA7 |24 25| VCCB7 +-------------------+

Functional Features

• Bidirectional voltage level translation between two voltage domains
• Supports voltage translation from 1.2V to 3.6V
• High-speed operation with low propagation delay
• Provides 16-bit wide bidirectional data paths
• Enables voltage level shifting for various digital interfaces

Advantages and Disadvantages

Advantages: - Wide operating voltage range - High-speed performance - Bidirectional data transfer capability - Compact TSSOP package for space-constrained designs

Disadvantages: - Limited output drive capability (±24mA) - Not suitable for high-power applications

Working Principles

The FXL4T245BQX is a level shifter IC that allows bidirectional voltage translation between two voltage domains. It utilizes a combination of MOSFETs and control logic to ensure proper signal translation. The input signals are shifted to the desired output voltage levels, enabling seamless communication between devices operating at different voltage levels.

Detailed Application Field Plans

The FXL4T245BQX is commonly used in various applications, including:

1. Mixed Voltage Systems: Enables communication between microcontrollers and peripheral devices operating at different voltage levels.
2. Interface Translation: Facilitates level shifting for digital interfaces such as I2C, SPI, UART, and GPIO.
3. Battery-Powered Devices: Allows voltage translation between low-power components and higher voltage domains.

Detailed and Complete Alternative Models

1. SN74LVCH245A: Similar bidirectional level shifter IC with 3.3V to 5V voltage translation capability.
2. PCA9306: Dual bidirectional level translator supporting voltage translation between 1.2V and 5V domains.
3. TXS0108E: Eight-channel bidirectional voltage-level translator with automatic direction sensing.

These alternative models provide similar functionality and can be considered based on specific application requirements.

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