74LVC823ABQ,118

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Shifter
• Characteristics: Low Voltage CMOS Octal D-Type Flip-Flop with 3-State Outputs
• Package: TSSOP-20
• Essence: This IC is designed to shift logic levels between different voltage domains, allowing seamless communication between devices operating at different voltage levels.
• Packaging/Quantity: Available in tape and reel packaging, with 2500 units per reel.

Specifications

• Supply Voltage Range: 1.65V to 5.5V
• High-Level Input Voltage: 2V to VCC + 0.5V
• Low-Level Input Voltage: -0.5V to 0.8V
• High-Level Output Voltage: VCC - 0.5V
• Low-Level Output Voltage: 0.5V
• Maximum Operating Frequency: 100MHz
• Number of Flip-Flops: 8
• Output Drive Capability: ±24mA

Detailed Pin Configuration

1. GND: Ground
2. Q0: Output 0
3. Q1: Output 1
4. Q2: Output 2
5. Q3: Output 3
6. Q4: Output 4
7. Q5: Output 5
8. Q6: Output 6
9. Q7: Output 7
10. OE: Output Enable
11. CP: Clock Pulse
12. D0: Data Input 0
13. D1: Data Input 1
14. D2: Data Input 2
15. D3: Data Input 3
16. D4: Data Input 4
17. D5: Data Input 5
18. D6: Data Input 6
19. D7: Data Input 7
20. VCC: Supply Voltage

Functional Features

• Logic Level Shifting: Allows seamless communication between devices operating at different voltage levels.
• Octal Flip-Flops: Contains eight D-type flip-flops for storing and transferring data.
• 3-State Outputs: Provides three-state outputs, allowing multiple devices to share a common bus.

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows compatibility with various systems. - High output drive capability enables driving of capacitive loads. - 3-state outputs facilitate bus sharing among multiple devices.

Disadvantages: - Limited maximum operating frequency compared to some other ICs. - TSSOP package may require careful handling during assembly.

Working Principles

The 74LVC823ABQ,118 is based on CMOS technology and operates as a logic level shifter. It uses D-type flip-flops to store and transfer data. The input data is latched on the rising edge of the clock pulse (CP) signal. The output enable (OE) pin controls the state of the outputs, allowing them to be either active or in a high-impedance state.

Detailed Application Field Plans

• Interface between microcontrollers operating at different voltage levels.
• Level shifting in communication protocols such as I2C, SPI, and UART.
• Signal conditioning in mixed-voltage systems.
• Buffering and isolation between different voltage domains.

Detailed and Complete Alternative Models

• SN74LVC823A: Similar functionality from Texas Instruments.
• MC74LVC823: Equivalent device from ON Semiconductor.
• CD74LVC823: Alternative option from Texas Instruments.

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