CD74HCT652M96E4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Digital Logic Level Shifter and Bus Transceiver
• Characteristics: High-Speed, CMOS Technology, 3-State Outputs
• Package: 96-Pin TSSOP (Thin Shrink Small Outline Package)
• Essence: The CD74HCT652M96E4 is a high-speed CMOS IC that serves as a level shifter and bus transceiver. It allows for bidirectional voltage translation between different logic levels, making it suitable for interfacing between devices operating at different voltage levels.
• Packaging/Quantity: The CD74HCT652M96E4 is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Supply Voltage: 2V to 6V
• Logic Family: HCT (High-Speed CMOS)
• Number of Channels: 8
• Input/Output Compatibility: TTL, CMOS
• Propagation Delay: 15 ns (max)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The CD74HCT652M96E4 has a total of 96 pins, which are organized as follows:

• Pins 1-8: Channel A Data Inputs/Outputs (D0-D7)
• Pins 9-16: Channel B Data Inputs/Outputs (D0-D7)
• Pins 17-24: Channel A Enable Inputs (G1A, G2A)
• Pins 25-32: Channel B Enable Inputs (G1B, G2B)
• Pins 33-40: Channel A Output Enable Inputs (OE1, OE2)
• Pins 41-48: Channel B Output Enable Inputs (OE1, OE2)
• Pins 49-56: Channel A Direction Control Inputs (DIR1, DIR2)
• Pins 57-64: Channel B Direction Control Inputs (DIR1, DIR2)
• Pins 65-72: VCC (Positive Power Supply)
• Pins 73-80: Ground (GND)
• Pins 81-88: Channel A Output Data (Q0-Q7)
• Pins 89-96: Channel B Output Data (Q0-Q7)

Functional Features

• Bidirectional voltage translation between different logic levels.
• 3-state outputs allow for bus sharing and isolation.
• Separate enable inputs for each channel provide control over data flow.
• Direction control inputs determine the direction of data transfer.

Advantages and Disadvantages

Advantages: - High-speed operation enables efficient data transfer. - CMOS technology offers low power consumption. - Wide supply voltage range allows for compatibility with various systems. - 3-state outputs facilitate bus sharing and isolation.

Disadvantages: - Limited number of channels (8) may not be sufficient for complex applications. - Propagation delay of 15 ns (max) may introduce timing constraints in certain scenarios.

Working Principles

The CD74HCT652M96E4 utilizes CMOS technology to achieve bidirectional voltage translation. It operates by receiving data from one logic level on its input pins and translating it to another logic level on its output pins. The direction of data transfer is controlled by the direction control inputs, while the enable inputs and output enable inputs determine the flow of data and enable/disable the outputs, respectively.

Detailed Application Field Plans

The CD74HCT652M96E4 finds applications in various fields where voltage level shifting and bus transceiver functionality are required. Some specific application areas include:

1. Microcontroller Interfacing: The IC can be used to interface microcontrollers operating at different voltage levels, enabling communication between them.
2. Mixed Voltage Systems: It is suitable for systems that utilize components operating at different logic levels, allowing seamless integration and data exchange.
3. Communication Protocols: The IC can be employed in communication protocols such as I2C, SPI, or UART, where voltage level translation is necessary.
4. Industrial Automation: It finds use in industrial automation systems that involve multiple devices with varying voltage requirements.

Detailed and Complete Alternative Models

1. SN74HCT652N: Similar functionality, but packaged in a 48-pin DIP (Dual In-Line Package).
2. CD74HC652E: Equivalent functionality, but operates at a higher supply voltage range of 2V to 6.5V.
3. MC74HCT652AN: Comparable features, but available in a 44-pin PLCC (Plastic Leaded Chip Carrier) package.

These alternative models offer similar functionality to the CD74HCT652M96E4, providing options for different package types and supply voltage ranges.

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