74LCX16541TTR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Translator
• Characteristics: Low Voltage, High-Speed, Bidirectional
• Package: TSSOP-56
• Essence: Translates logic levels between different voltage domains
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Logic Family: LCX
• Number of Channels: 16
• Input Voltage Range: 1.65V to 5.5V
• Output Voltage Range: 1.65V to 5.5V
• Propagation Delay: 2.8ns (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The 74LCX16541TTR has a total of 56 pins arranged as follows:

+---------------------+ OE1 |1 56| VCC I/O1 |2 55| GND I/O2 |3 54| I/O16 I/O3 |4 53| I/O15 I/O4 |5 52| I/O14 I/O5 |6 51| I/O13 I/O6 |7 50| I/O12 I/O7 |8 49| I/O11 I/O8 |9 48| I/O10 I/O9 |10 47| I/O9 I/O10 |11 46| I/O8 I/O11 |12 45| I/O7 I/O12 |13 44| I/O6 I/O13 |14 43| I/O5 I/O14 |15 42| I/O4 I/O15 |16 41| I/O3 I/O16 |17 40| I/O2 GND |18 39| I/O1 VCC |19 38| OE2 I/O17 |20 37| I/O32 I/O18 |21 36| I/O31 I/O19 |22 35| I/O30 I/O20 |23 34| I/O29 I/O21 |24 33| I/O28 I/O22 |25 32| I/O27 I/O23 |26 31| I/O26 I/O24 |27 30| I/O25 I/O25 |28 29| OE3 +---------------------+

Functional Features

• Bidirectional voltage level translation between different logic families
• Supports voltage translation from 1.65V to 5.5V
• Low power consumption
• High-speed operation with minimal propagation delay
• 3-state outputs for easy bus sharing

Advantages and Disadvantages

Advantages

• Wide input/output voltage range compatibility
• Fast switching speed
• Low power consumption
• Compact package size
• Easy integration into various electronic systems

Disadvantages

• Limited number of channels (16)
• Not suitable for high-voltage applications

Working Principles

The 74LCX16541TTR is a bidirectional logic level translator that allows seamless communication between devices operating at different voltage levels. It utilizes a combination of MOSFETs and CMOS technology to achieve efficient voltage translation.

The device features three enable pins (OE1, OE2, and OE3) that control the direction of data flow. When an enable pin is active (low), the corresponding set of input/output pins becomes operational. The 74LCX16541TTR supports bidirectional communication, allowing data to be transmitted in both directions.

The logic level translation is achieved by using a voltage divider network combined with MOSFETs acting as level shifters. This ensures that signals from one voltage domain are correctly translated to the desired voltage level of the other domain.

Detailed Application Field Plans

The 74LCX16541TTR can be used in various applications where logic level translation is required. Some potential application fields include:

1. Microcontroller interfacing with different voltage peripherals
2. Communication interfaces between devices operating at different voltage levels
3. Level shifting in mixed-voltage systems
4. Bus communication between different logic families
5. Voltage translation in battery-powered devices

Alternative Models

• SN74LVC16T245DGGR
• MC74VHC1GT125DF1G
• 74AUP1T34GW,125
• 74L