MC74HC373ADTR2G

Product Overview

• Category: Integrated Circuit
• Use: Data Storage and Transfer
• Characteristics: High-Speed, Octal Transparent Latch with 3-State Outputs
• Package: TSSOP-20
• Essence: Flip-Flop
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 2V to 6V
• High-Level Input Voltage: 2V
• Low-Level Input Voltage: 0.8V
• High-Level Output Voltage: 4.5V
• Low-Level Output Voltage: 0.1V
• Maximum Operating Frequency: 74 MHz
• Propagation Delay Time: 9 ns
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MC74HC373ADTR2G has a total of 20 pins. The pin configuration is as follows:

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

Functional Features

The MC74HC373ADTR2G is an octal transparent latch with 3-state outputs. It can store and transfer data using its eight data input pins (D0-D7). The latch is transparent when the output enable (OE) pin is high, allowing the data inputs to pass through to the outputs (Q0-Q7). When the OE pin is low, the latch holds the last data input values. The latch also has a clock pulse (CP) input, which updates the outputs based on the current data inputs.

Advantages and Disadvantages

Advantages: - High-speed operation - 3-state outputs allow for bus sharing - Wide supply voltage range - Compact TSSOP-20 package

Disadvantages: - Limited maximum operating frequency compared to some other ICs - Not suitable for applications requiring very low power consumption

Working Principles

The MC74HC373ADTR2G operates based on the principles of flip-flops. When the clock pulse (CP) input transitions from low to high, the latch captures the data present at the data inputs (D0-D7) and stores it. The stored data is then available at the outputs (Q0-Q7). The latch remains transparent as long as the output enable (OE) pin is high, allowing continuous data transfer. When the OE pin is low, the latch holds the last captured data.

Detailed Application Field Plans

The MC74HC373ADTR2G is commonly used in various digital systems and applications, including:

1. Microcontrollers and microprocessors
2. Data storage and transfer systems
3. Communication equipment
4. Industrial automation
5. Automotive electronics
6. Consumer electronics

Its ability to store and transfer data quickly makes it suitable for applications that require efficient data handling and processing.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the MC74HC373ADTR2G are:

1. SN74HC373N
2. CD74HC373E
3. 74HCT373D
4. MC74ACT373DW

These models have comparable specifications and pin configurations, providing alternative options for designers and engineers.

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