SN74LV4320AZKFR

Product Overview

• Category: Integrated Circuit
• Use: Logic Level Shifter
• Characteristics: Low-voltage, Quad-Bit Bidirectional Translator
• Package: 48-pin LQFP (Low-profile Quad Flat Package)
• Essence: Translates logic levels 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 + 0.5V
• Low-Level Input Voltage: -0.5V to 0.8V
• High-Level Output Voltage: VCC - 0.4V to VCC
• Low-Level Output Voltage: 0V to 0.4V
• Maximum Operating Frequency: 100MHz

Detailed Pin Configuration

The SN74LV4320AZKFR has a total of 48 pins. The pin configuration is as follows:

1. OE1 (Output Enable 1)
2. A1 (Data Input/Output 1)
3. B1 (Data Input/Output 1)
4. GND (Ground)
5. B2 (Data Input/Output 2)
6. A2 (Data Input/Output 2)
7. OE2 (Output Enable 2)
8. VCC (Supply Voltage)
9. B3 (Data Input/Output 3)
10. A3 (Data Input/Output 3)
11. OE3 (Output Enable 3)
12. GND (Ground)
13. A4 (Data Input/Output 4)
14. B4 (Data Input/Output 4)
15. OE4 (Output Enable 4)
16. VCC (Supply Voltage) 17-48. Not used

Functional Features

• Bidirectional voltage translation between different logic levels
• Supports 4-bit data transmission in both directions
• Low-voltage operation suitable for battery-powered devices
• High-speed operation up to 100MHz
• Output enable control for each channel

Advantages and Disadvantages

Advantages: - Allows interfacing between different voltage domains - Compact package size - Wide supply voltage range - High-speed operation

Disadvantages: - Limited number of bidirectional channels (4 channels) - Not suitable for high-power applications

Working Principles

The SN74LV4320AZKFR is a quad-bit bidirectional translator that enables voltage level shifting between different logic levels. It operates by using a combination of MOSFETs and CMOS technology to provide bidirectional communication between two voltage domains.

The device features four independent bidirectional channels, each capable of translating logic levels from one voltage domain to another. The direction of translation is controlled by the input signals and the output enable pins.

When the output enable pin is active, the translator allows bidirectional data flow between the input and output pins. When the output enable pin is inactive, the translator isolates the input and output pins, preventing any data transfer.

Detailed Application Field Plans

The SN74LV4320AZKFR is commonly used in various applications where voltage level shifting is required. Some of the typical application fields include:

1. Battery-powered devices: The low-voltage operation and compact package make it suitable for portable electronics such as smartphones, tablets, and wearables.
2. Communication systems: It can be used in communication interfaces to translate logic levels between different components operating at different voltages.
3. Industrial automation: The device finds applications in industrial control systems where different voltage domains need to communicate with each other.
4. Automotive electronics: It can be utilized in automotive applications to interface between different voltage levels in various subsystems.

Detailed and Complete Alternative Models

1. SN74LVC4245A: Octal-Bit Dual Supply Translating Transceiver
2. SN74AVC4T245: 4-Bit Dual-Supply Bus Transceiver with Configurable Voltage Translation and 3-State Outputs
3. SN74LVC8T245: 8-Bit Dual-Supply Bus Transceiver with Configurable Voltage Translation and 3-State Outputs
4. SN74LVC1T45: Single-Bit Dual-Supply Bus Transceiver with Configurable Voltage Translation and 3-State Outputs

These alternative models offer similar functionality and can be considered as alternatives to the SN74LV4320AZKFR depending on specific application requirements.

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