PI4ULS3V16AE

Product Overview

• Category: Integrated Circuit (IC)
• Use: Level Shifter
• Characteristics: High-speed, low-voltage level shifting
• Package: 16-pin QFN (Quad Flat No-Lead)
• Essence: Translates voltage levels between different logic families
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage: 1.2V - 3.6V
• Logic Input Voltage: 1.2V - 3.6V
• Logic Output Voltage: 1.2V - 3.6V
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay: 0.5ns (typical)
• Output Drive Strength: ±24mA

Detailed Pin Configuration

The PI4ULS3V16AE has a total of 16 pins, each serving a specific purpose. The pin configuration is as follows:

1. VCCA: Positive supply voltage for the A-side logic
2. GND: Ground reference for the IC
3. OE: Output Enable control input
4. A1: Logic input/output pin A1
5. A2: Logic input/output pin A2
6. A3: Logic input/output pin A3
7. A4: Logic input/output pin A4
8. A5: Logic input/output pin A5
9. A6: Logic input/output pin A6
10. A7: Logic input/output pin A7
11. A8: Logic input/output pin A8
12. B1: Logic input/output pin B1
13. B2: Logic input/output pin B2
14. B3: Logic input/output pin B3
15. B4: Logic input/output pin B4
16. VCCB: Positive supply voltage for the B-side logic

Functional Features

• Bi-directional level shifting between different voltage domains
• Supports voltage translation between 1.2V and 3.6V logic families
• High-speed operation with minimal propagation delay
• Low power consumption
• ESD protection on all pins
• Output enable control for easy interfacing with other devices

Advantages and Disadvantages

Advantages: - Wide operating voltage range - Fast propagation delay - Small package size - ESD protection on all pins

Disadvantages: - Limited to level shifting between 1.2V and 3.6V logic families - Not suitable for high-voltage applications

Working Principles

The PI4ULS3V16AE is designed to translate voltage levels between different logic families. It operates by receiving logic signals from one side (A-side) and converting them to the corresponding voltage levels on the other side (B-side). The direction of translation can be controlled using the output enable (OE) pin.

The IC utilizes a combination of MOSFETs and level-shifting circuitry to achieve efficient and accurate voltage translation. It ensures minimal signal distortion and maintains signal integrity during the level shifting process.

Detailed Application Field Plans

The PI4ULS3V16AE is commonly used in various applications that require voltage level translation between different logic families. Some of the typical application fields include:

1. Microcontrollers interfacing with sensors or peripheral devices operating at different voltage levels.
2. Communication systems where different voltage domains need to be connected, such as UART, I2C, SPI interfaces.
3. Battery-powered devices that require low-power level shifting between different voltage ranges.
4. Industrial automation systems involving mixed-voltage logic circuits.

Detailed and Complete Alternative Models

1. PI4ULS3V08AE: 8-pin version of the PI4ULS3V16AE, suitable for applications with fewer I/O pins.
2. SN74LVC1T45: Single-bit level shifter from Texas Instruments, compatible with a wide range of voltage levels.
3. NC7SZ125: Tiny logic level shifter from Fairchild Semiconductor, ideal for space-constrained applications.

These alternative models offer similar functionality and can be considered based on specific requirements and constraints.

In conclusion, the PI4ULS3V16AE is a high-speed, low-voltage level shifter IC that enables seamless voltage translation between different logic families. With its compact package and excellent performance characteristics, it finds extensive use in various application fields requiring reliable level shifting capabilities.