74LVTH16245ADLG4

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Level Shifter and Bus Transceiver
• Characteristics: High-speed, low-voltage, and low-power consumption
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: Bidirectional voltage level translator/transceiver
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Supply Voltage Range: 1.2V to 3.6V
• Logic Family: LVTH (Low-Voltage TTL with 3-State Outputs)
• Number of Channels: 16
• Input/Output Compatibility: TTL/CMOS
• Output Drive Capability: ±24mA
• Propagation Delay: 3.8ns (max) at 3.3V supply
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The 74LVTH16245ADLG4 has a total of 48 pins, arranged in a dual in-line package (DIP). The pin configuration is as follows:

+---------------------+ OE1 |1 48| VCCB A1_1 |2 47| B1_1 A1_2 |3 46| B1_2 A1_3 |4 45| B1_3 A1_4 |5 44| B1_4 A1_5 |6 43| B1_5 A1_6 |7 42| B1_6 A1_7 |8 41| B1_7 A1_8 |9 40| B1_8 A1_9 |10 39| B1_9 A1_10 |11 38| B1_10 A1_11 |12 37| B1_11 A1_12 |13 36| B1_12 A1_13 |14 35| B1_13 A1_14 |15 34| B1_14 A1_15 |16 33| B1_15 A1_16 |17 32| B1_16 GND |18 31| VCCA +---------------------+

Functional Features

• Bidirectional voltage level translation between two different voltage domains.
• 3-state outputs allow multiple devices to share a common bus.
• Supports both TTL and CMOS input/output compatibility.
• High-speed operation with low propagation delay.
• Low power consumption, making it suitable for battery-powered applications.

Advantages

• Wide supply voltage range allows compatibility with various systems.
• High output drive capability enables driving capacitive loads and long traces.
• 3-state outputs provide flexibility in bus sharing scenarios.
• Low-voltage operation reduces power consumption and heat dissipation.
• Compact TSSOP package offers space-saving benefits.

Disadvantages

• Limited number of channels (16) may not be sufficient for certain applications requiring more I/O lines.
• The operating temperature range (-40°C to +85°C) may not be suitable for extreme environments.
• Requires careful consideration of voltage levels and signal integrity when interfacing with different logic families.

Working Principles

The 74LVTH16245ADLG4 is designed to translate signals between two voltage domains. It utilizes a combination of level shifting circuitry and 3-state buffers to achieve bidirectional communication. When the Output Enable (OE1) pin is active, the device allows data transmission from the A-side to the B-side and vice versa. The TTL/CMOS compatibility ensures seamless integration with various logic families.

Detailed Application Field Plans

The 74LVTH16245ADLG4 finds applications in various fields, including: - Microcontroller interfacing - Data communication systems - Industrial automation - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the 74LVTH16245ADLG4 are: - SN74LVC245A - MC74LVX245 - 74HCT245

These alternatives can be considered based on specific requirements such as voltage range, speed, package type, and availability.

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