SN74LV8154PWG4

Product Overview

• Category: Integrated Circuit
• Use: Logic Level Shifter
• Characteristics: Low-voltage, high-speed, non-inverting
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: Logic level shifting between different voltage domains
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.65V to 5.5V
• High-Level Input Voltage: 2.3V to VCC + 0.3V
• Low-Level Input Voltage: -0.3V to 0.8V
• High-Level Output Voltage: VCC - 0.3V
• Low-Level Output Voltage: 0.4V
• Maximum Operating Frequency: 100 MHz

Detailed Pin Configuration

The SN74LV8154PWG4 has a total of 16 pins. The pin configuration is as follows:

1. OE (Output Enable)
2. A1 (Input A1)
3. B1 (Input B1)
4. GND (Ground)
5. A2 (Input A2)
6. B2 (Input B2)
7. Y1 (Output Y1)
8. VCC (Supply Voltage)
9. Y2 (Output Y2)
10. A3 (Input A3)
11. B3 (Input B3)
12. GND (Ground)
13. A4 (Input A4)
14. B4 (Input B4)
15. Y3 (Output Y3)
16. GND (Ground)

Functional Features

• Non-inverting logic level shifter
• Allows bidirectional voltage translation between different voltage domains
• Supports voltage level conversion from 1.65V to 5.5V
• High-speed operation with a maximum frequency of 100 MHz
• Output enable (OE) pin for easy control of the output state

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows compatibility with various systems - Non-inverting nature preserves signal integrity - High-speed operation enables efficient data transfer - Output enable pin provides flexibility in controlling the output state

Disadvantages: - Limited to logic level shifting between voltage domains within the specified range - Not suitable for applications requiring voltage translation beyond 5.5V

Working Principles

The SN74LV8154PWG4 is designed to shift logic levels between different voltage domains. It utilizes a combination of MOSFETs and CMOS technology to achieve bidirectional voltage translation. The inputs (A1-A4, B1-B4) are connected to the respective voltage domains, while the outputs (Y1-Y3) provide the translated signals.

The OE pin controls the output state. When OE is low, the outputs are enabled and follow the input signals. When OE is high, the outputs are disabled and remain in a high-impedance state.

Detailed Application Field Plans

The SN74LV8154PWG4 can be used in various applications that require logic level shifting between different voltage domains. Some potential application fields include:

1. Microcontroller interfacing with different peripheral devices operating at different voltage levels.
2. Communication interfaces such as UART, SPI, or I2C, where voltage compatibility is crucial.
3. Sensor networks where sensors operate at different voltage levels but need to communicate with a central controller.

Detailed and Complete Alternative Models

1. SN74LVC1T45DBVR: Single-bit dual-supply bus transceiver with configurable voltage translation.
2. TXB0108PWR: 8-bit bidirectional voltage-level translator with automatic direction sensing.
3. PCA9306DCUR: Dual bidirectional I2C-bus and SMBus voltage-level translator.

These alternative models offer similar functionality and can be considered as alternatives to the SN74LV8154PWG4 based on specific requirements and constraints.

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