MC74HC373ADWR2G

Product Overview

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

Specifications

• Supply Voltage Range: 2.0V to 6.0V
• High-Level Input Voltage: 2.0V (Min), 6.0V (Max)
• Low-Level Input Voltage: 0.8V (Min), 1.5V (Max)
• High-Level Output Voltage: 4.4V (Min), VCC (Max)
• Low-Level Output Voltage: 0.1V (Min), 0.1V (Max)
• Maximum Operating Frequency: 74 MHz
• Propagation Delay Time: 14 ns (Max)

Detailed Pin Configuration

The MC74HC373ADWR2G 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. OE - Output Enable
11. Q0 - Output 0
12. Q1 - Output 1
13. Q2 - Output 2
14. Q3 - Output 3
15. Q4 - Output 4
16. Q5 - Output 5
17. Q6 - Output 6
18. Q7 - Output 7
19. VCC - Supply Voltage
20. NC - No Connection

Functional Features

The MC74HC373ADWR2G is an octal transparent latch with 3-state outputs. It allows data to be stored and transferred between registers or other devices. The output enable (OE) pin controls the state of the outputs, enabling or disabling their functionality. When OE is high, the outputs are in a high-impedance state, allowing other devices to drive the bus lines.

Advantages and Disadvantages

Advantages: - High-speed operation - Octal latch with 3-state outputs - Wide supply voltage range - Compact SOIC-20 package

Disadvantages: - Limited maximum operating frequency compared to some alternative models - Not suitable for applications requiring very high-speed data transfer

Working Principles

The MC74HC373ADWR2G operates based on the principle of transparent latching. When the latch enable (LE) input is high, the data inputs (D0-D7) are transferred to the outputs (Q0-Q7). The outputs follow the inputs as long as LE remains high. When LE is low, the outputs are latched and hold their previous state.

Detailed Application Field Plans

The MC74HC373ADWR2G can be used in various applications that require data storage and transfer, such as:

1. Microcontrollers and microprocessors
2. Memory systems
3. Data buses and communication interfaces
4. Digital signal processing
5. Industrial automation systems

Detailed and Complete Alternative Models

Some alternative models to the MC74HC373ADWR2G include:

1. SN74HC373N by Texas Instruments
2. CD74HC373E by Harris Corporation
3. 74HCT373 by NXP Semiconductors
4. MC74ACT373DW by ON Semiconductor

These alternative models offer similar functionality and can be used as replacements depending on specific requirements.

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