MM74C373WMX

Product Overview

• Category: Integrated Circuit (IC)
• Use: Data storage and retrieval
• Characteristics: High-speed, latch-based, octal transparent latch with 3-state outputs
• Package: 20-pin wide SOIC (Small Outline Integrated Circuit)
• Essence: The MM74C373WMX is a versatile latch IC that can store and retrieve data in various applications.
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Supply Voltage: 4.5V to 5.5V
• Operating Temperature: -40°C to +85°C
• Latch Type: Transparent
• Number of Latches: 8
• Output Type: 3-state
• Data Retention: Yes
• Propagation Delay: 10ns (max)
• Output Current: ±24mA (max)

Detailed Pin Configuration

The MM74C373WMX has a total of 20 pins, each serving a specific purpose. Here is the detailed pin configuration:

1. GND: Ground
2. D0: Data input for latch 0
3. D1: Data input for latch 1
4. D2: Data input for latch 2
5. D3: Data input for latch 3
6. D4: Data input for latch 4
7. D5: Data input for latch 5
8. D6: Data input for latch 6
9. D7: Data input for latch 7
10. LE: Latch Enable input
11. OE: Output Enable input
12. Q0: Output for latch 0
13. Q1: Output for latch 1
14. Q2: Output for latch 2
15. Q3: Output for latch 3
16. Q4: Output for latch 4
17. Q5: Output for latch 5
18. Q6: Output for latch 6
19. Q7: Output for latch 7
20. VCC: Supply Voltage

Functional Features

• Octal transparent latch with individual data inputs and outputs
• Latch Enable (LE) input controls the storage of data
• Output Enable (OE) input enables/disables the outputs
• High-speed operation with minimal propagation delay
• 3-state outputs allow multiple devices to share a common bus

Advantages and Disadvantages

Advantages

• Versatile and widely used in various applications
• High-speed operation allows for efficient data storage and retrieval
• 3-state outputs enable easy integration with other devices
• Compact package size saves board space
• Reliable performance over a wide temperature range

Disadvantages

• Limited number of latches (8)
• Requires external control signals for proper operation
• Not suitable for applications requiring a large number of latches

Working Principles

The MM74C373WMX is based on transparent latch technology. When the Latch Enable (LE) input is high, the data inputs (D0-D7) are transferred to the corresponding latch outputs (Q0-Q7). The Output Enable (OE) input controls whether the latch outputs are active or in a high-impedance state.

Detailed Application Field Plans

The MM74C373WMX finds applications in various fields, including:

1. Microprocessor-based systems
2. Data storage and retrieval systems
3. Communication equipment
4. Industrial automation
5. Automotive electronics
6. Consumer electronics

Detailed and Complete Alternative Models

1. SN74LS373: Octal D-type transparent latch with 3-state outputs
2. CD74HC373: High-speed CMOS octal transparent latch with 3-state outputs
3. MC74ACT373: Advanced CMOS octal transparent latch with 3-state outputs

These alternative models offer similar functionality and can be used as replacements for the MM74C373WMX in different applications.

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