SN74ALS652ANT

Product Overview

• Category: Integrated Circuit (IC)
• Use: Data Bus Transceiver
• Characteristics: High-speed, TTL compatible, 8-bit bidirectional transceiver
• Package: 24-pin DIP (Dual In-line Package)
• Essence: Facilitates bidirectional data transfer between two separate data buses
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Supply Voltage: 4.5V to 5.5V
• Input Voltage: 0V to VCC
• Output Voltage: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay Time: 10ns (typical)
• Output Current: ±24mA
• Input Capacitance: 6pF
• Output Capacitance: 12pF

Detailed Pin Configuration

1. A1 - Data Bus A, Bit 1
2. A2 - Data Bus A, Bit 2
3. A3 - Data Bus A, Bit 3
4. A4 - Data Bus A, Bit 4
5. A5 - Data Bus A, Bit 5
6. A6 - Data Bus A, Bit 6
7. A7 - Data Bus A, Bit 7
8. A8 - Data Bus A, Bit 8
9. GND - Ground
10. OE - Output Enable
11. DIR - Direction Control
12. B1 - Data Bus B, Bit 1
13. B2 - Data Bus B, Bit 2
14. B3 - Data Bus B, Bit 3
15. B4 - Data Bus B, Bit 4
16. B5 - Data Bus B, Bit 5
17. B6 - Data Bus B, Bit 6
18. B7 - Data Bus B, Bit 7
19. B8 - Data Bus B, Bit 8
20. VCC - Supply Voltage 21-24. NC - No Connection

Functional Features

• Bidirectional data transfer between two separate data buses (A and B)
• TTL compatible inputs and outputs
• Output enable and direction control for flexible operation
• High-speed operation with low propagation delay time
• Wide operating temperature range for various environments

Advantages and Disadvantages

Advantages:

• Facilitates efficient bidirectional data transfer
• Compatible with TTL logic levels
• Provides flexibility with output enable and direction control pins
• Reliable performance with high-speed operation
• Suitable for a wide range of operating temperatures

Disadvantages:

• Limited to 8-bit data bus width
• Requires careful consideration of input and output voltage levels

Working Principles

The SN74ALS652ANT is designed to enable bidirectional data transfer between two separate data buses. The direction of data flow is controlled by the DIR pin. When DIR is set to logic high, data flows from Bus A to Bus B, and when DIR is set to logic low, data flows from Bus B to Bus A. The OE pin is used to enable or disable the outputs. When OE is set to logic high, the outputs are enabled, allowing data to be transferred. Conversely, when OE is set to logic low, the outputs are disabled, preventing data transfer.

Detailed Application Field Plans

The SN74ALS652ANT is commonly used in applications where bidirectional data transfer is required between two separate data buses. Some specific application fields include:

1. Microprocessor systems: Facilitating communication between different components of a microprocessor system.
2. Data acquisition systems: Transferring data between sensors and data processing units.
3. Communication systems: Enabling data exchange between different communication modules.
4. Industrial automation: Connecting various control units and devices in industrial automation processes.

Detailed and Complete Alternative Models

1. SN74ALS652A: Similar to SN74ALS652ANT, but available in a different package (SOIC).
2. SN74ALS653: 16-bit bidirectional transceiver with similar characteristics and features.
3. SN74ALS654: 8-bit bidirectional transceiver with additional output enable pins for individual control of each bus.

These alternative models provide similar functionality and can be considered as substitutes based on specific requirements and preferences.

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