SN74ALVCH16543DL

Product Overview

• Category: Integrated Circuit (IC)
• Use: Data storage and transfer
• Characteristics: High-speed, low-voltage, 16-bit bus transceiver
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: Bidirectional voltage-level translator
• Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

• Number of bits: 16
• Logic family: ALVCH
• Voltage supply range: 1.2V to 3.6V
• Input/output voltage levels: 1.2V to 3.6V
• Maximum operating frequency: 400 MHz
• Output drive strength: ±24 mA
• Operating temperature range: -40°C to +85°C

Detailed Pin Configuration

The SN74ALVCH16543DL has a total of 56 pins, which are divided into four groups:

Group A (Power Supply)

• VCCA: Positive supply voltage for Port A
• VCCB: Positive supply voltage for Port B
• GND: Ground reference

Group B (Port A)

• Ax[15:0]: Bidirectional data I/O pins for Port A
• OEAB: Output enable input for Port A
• LEAB: Latch enable input for Port A
• CLKAB: Clock input for Port A

Group C (Port B)

• Bx[15:0]: Bidirectional data I/O pins for Port B
• OEBB: Output enable input for Port B
• LEBB: Latch enable input for Port B
• CLKBB: Clock input for Port B

Group D (Control)

• DIR: Direction control input
• OEBA: Output enable input for both Port A and Port B
• CLR: Clear input
• CLKBA: Clock input for both Port A and Port B

Functional Features

• Bidirectional voltage-level translation between two independent buses
• Supports mixed-mode signal operation on each port
• Non-inverting outputs for both data paths
• 3-state outputs for bus-oriented applications
• Latch-up performance exceeds 250 mA per JESD 17

Advantages and Disadvantages

Advantages

• High-speed operation allows for efficient data transfer
• Low-voltage operation reduces power consumption
• Bidirectional capability simplifies circuit design
• Wide operating temperature range enables usage in various environments

Disadvantages

• Limited to 16-bit data transfer, may not be suitable for larger-scale applications
• TSSOP package may require careful handling during assembly

Working Principles

The SN74ALVCH16543DL is a bidirectional voltage-level translator that allows data transfer between two independent buses. It operates by receiving data from one bus, translating the voltage levels, and transmitting the data to the other bus. The direction of data flow is controlled by the DIR input. The device also features latch enable inputs (LEAB and LEBB) that allow the data to be latched into the output registers.

Detailed Application Field Plans

The SN74ALVCH16543DL can be used in various applications, including:

1. Microprocessor systems
2. Data communication systems
3. Industrial control systems
4. Automotive electronics
5. Consumer electronics

In microprocessor systems, it can facilitate data transfer between different voltage domains. In data communication systems, it can be used for level shifting between different logic families. In industrial control systems, it can enable bidirectional communication between different modules. In automotive electronics, it can be utilized for voltage translation in vehicle networks. In consumer electronics, it can assist in interfacing between different components.

Detailed and Complete Alternative Models

1. SN74ALVCH16245: 16-bit bus transceiver with 3-state outputs
2. SN74LVC4245A: Octal bus transceiver with 3-state outputs
3. SN74AVC4T245: 4-bit dual-supply bus transceiver with configurable voltage translation

These alternative models offer similar functionality to the SN74ALVCH16543DL and can be considered based on specific application requirements.

In conclusion, the SN74ALVCH16543DL is a high-speed, low-voltage, 16-bit bus transceiver that provides bidirectional voltage-level translation between two independent buses. Its versatile applications, wide operating temperature range, and efficient data transfer make it a valuable component in various electronic systems.

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