MC74LCX374DWR2G

Overview

• Category: Integrated Circuit
• Use: Flip-Flop
• Characteristics: Low Voltage, High-Speed CMOS Logic
• Package: SOIC-20
• Essence: D-Type Transparent Latch
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

• Supply Voltage Range: 1.65V to 3.6V
• High-Level Input Voltage: 2.1V (Minimum), 0.8VCC (Maximum)
• Low-Level Input Voltage: 0.9V (Maximum), 0.2VCC (Minimum)
• High-Level Output Voltage: 2.4V (Minimum), VCC - 0.1V (Maximum)
• Low-Level Output Voltage: 0.4V (Maximum), 0.1VCC (Maximum)
• Maximum Operating Frequency: 200MHz

Detailed Pin Configuration

The MC74LCX374DWR2G has a total of 20 pins arranged as follows:

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

Functional Features

The MC74LCX374DWR2G is a D-Type Transparent Latch with eight data inputs (D0-D7) and eight flip-flop outputs (Q0-Q7). It operates at low voltage levels and offers high-speed CMOS logic functionality. The latch can be transparent or latched based on the state of the Output Enable (OE) pin. When OE is low, the latch is transparent, allowing the data inputs to pass through to the outputs. When OE is high, the latch is latched, holding the last input values at the outputs.

Advantages and Disadvantages

Advantages: - Low voltage operation allows for compatibility with various systems. - High-speed CMOS logic enables fast data processing. - D-Type Transparent Latch design provides flexibility in data transfer.

Disadvantages: - Limited number of data inputs and outputs. - Requires careful consideration of timing when using the latch in synchronous systems.

Working Principles

The MC74LCX374DWR2G works by utilizing CMOS technology to process digital signals. When the clock pulse (CP) is triggered, the latch captures the data inputs (D0-D7) and holds them at the outputs (Q0-Q7). The state of the Output Enable (OE) pin determines whether the latch is transparent or latched. When OE is low, the latch is transparent, and the data inputs directly affect the outputs. When OE is high, the latch is latched, and the outputs hold their previous values.

Detailed Application Field Plans

The MC74LCX374DWR2G finds applications in various digital systems where data storage and transfer are required. Some potential application fields include:

1. Microcontrollers: The latch can be used to store and transfer data between the microcontroller and other peripheral devices.
2. Communication Systems: It can be utilized in data transmission circuits to hold and transfer data packets.
3. Memory Modules: The latch can be employed in memory modules to store temporary data during read/write operations.

Detailed and Complete Alternative Models

1. SN74LVC374A: Low Voltage CMOS Octal Edge-Triggered D-Type Flip-Flop
2. CD4013B: CMOS Dual D-Type Flip-Flop
3. 74HC574: High-Speed CMOS Octal D-Type Flip-Flop

These alternative models offer similar functionality to the MC74LCX374DWR2G and can be considered as alternatives based on specific requirements and compatibility with existing systems.

Word count: 430 words