MC74ACT652DWG

Product Overview

• Category: Integrated Circuit (IC)
• Use: Digital Logic Level Shifter
• Characteristics: High-speed, Non-inverting, Octal Bus Transceiver
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: This IC is designed to shift logic levels between different voltage domains in digital systems.
• Packaging/Quantity: Available in tape and reel packaging, with 2500 units per reel.

Specifications

• Logic Family: ACT
• Number of Channels: 8
• Input Voltage Range: 2.0V to 6.0V
• Output Voltage Range: 2.0V to 6.0V
• Propagation Delay Time: 7 ns (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MC74ACT652DWG has a total of 24 pins, which are assigned as follows:

1. A1: Channel A Data Input
2. B1: Channel B Data Input
3. C1: Channel C Data Input
4. D1: Channel D Data Input
5. E1: Channel E Data Input
6. F1: Channel F Data Input
7. G1: Channel G Data Input
8. H1: Channel H Data Input
9. OE*: Output Enable Input
10. DIR: Direction Control Input
11. VCC: Positive Power Supply
12. GND: Ground
13. A2: Channel A Data Output
14. B2: Channel B Data Output
15. C2: Channel C Data Output
16. D2: Channel D Data Output
17. E2: Channel E Data Output
18. F2: Channel F Data Output
19. G2: Channel G Data Output
20. H2: Channel H Data Output
21. NC: No Connection
22. NC: No Connection
23. NC: No Connection
24. NC: No Connection

Functional Features

• Non-inverting bidirectional data transmission between two voltage domains.
• High-speed operation suitable for use in fast digital systems.
• 3-state outputs allow multiple devices to be connected to a common bus.

Advantages and Disadvantages

Advantages

• Provides level shifting capability for interfacing between different voltage domains.
• High-speed operation allows for efficient data transfer.
• 3-state outputs enable easy bus sharing among multiple devices.

Disadvantages

• Limited input and output voltage range (2.0V to 6.0V).
• Propagation delay time may affect timing-sensitive applications.

Working Principles

The MC74ACT652DWG operates by receiving data inputs from one voltage domain and transmitting them to another voltage domain. The direction of data transmission is controlled by the DIR pin. When the DIR pin is set to logic high, data is transmitted from the A1-H1 inputs to the A2-H2 outputs. Conversely, when the DIR pin is set to logic low, data is transmitted from the A2-H2 inputs to the A1-H1 outputs. The OE* pin is used to enable or disable the outputs.

Detailed Application Field Plans

The MC74ACT652DWG can be used in various applications where level shifting between different voltage domains is required. Some potential application fields include:

1. Microcontroller interfacing with peripheral devices operating at different voltage levels.
2. Communication systems involving multiple voltage domains, such as UART or SPI interfaces.
3. Memory modules requiring level translation between different memory banks.
4. Industrial automation systems with mixed voltage signal processing.

Detailed and Complete Alternative Models

1. SN74ACT652: Similar octal bus transceiver from Texas Instruments.
2. 74HCT652: Octal bus transceiver with TTL logic levels from NXP Semiconductors.
3. CD74ACT652: Octal bus transceiver with Schottky-clamped TTL inputs from Texas Instruments.

These alternative models provide similar functionality and can be considered as alternatives to the MC74ACT652DWG based on specific requirements and availability.

Word count: 510 words