SN74ALS374ADBRE4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Flip-Flop
• Characteristics: High-speed, low-power consumption
• Package: SSOP-20
• Essence: D-type transparent latch
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

• Supply Voltage Range: 4.5V to 5.5V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay Time: 6.5ns (typical)
• Output Current: ±24mA
• Input Capacitance: 3pF
• Output Capacitance: 15pF

Detailed Pin Configuration

The SN74ALS374ADBRE4 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. Q0: Output 0
11. Q1: Output 1
12. Q2: Output 2
13. Q3: Output 3
14. Q4: Output 4
15. Q5: Output 5
16. Q6: Output 6
17. Q7: Output 7
18. OE: Output Enable
19. CP: Clock Pulse
20. VCC: Power supply

Functional Features

The SN74ALS374ADBRE4 is a D-type transparent latch with eight data inputs (D0-D7) and eight corresponding outputs (Q0-Q7). It operates on positive-edge triggered clock pulses (CP) and has an output enable (OE) pin for controlling the output state. When OE is low, the latch is transparent, allowing the data inputs to propagate to the outputs. When OE is high, the latch holds the last input state.

Advantages and Disadvantages

Advantages: - High-speed operation - Low-power consumption - Compact SSOP-20 package - Wide operating temperature range

Disadvantages: - Limited input and output voltage range - Relatively small quantity per reel (2500 pieces)

Working Principles

The SN74ALS374ADBRE4 works based on the principle of latching data. When a positive-edge clock pulse is applied to the CP pin, the data inputs (D0-D7) are transferred to the corresponding outputs (Q0-Q7). The output enable (OE) pin controls whether the outputs reflect the input data or hold the previous state. This latch design allows for efficient storage and retrieval of data in digital systems.

Detailed Application Field Plans

The SN74ALS374ADBRE4 is commonly used in various applications, including:

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

Detailed and Complete Alternative Models

There are several alternative models available that offer similar functionality to the SN74ALS374ADBRE4. Some notable alternatives include:

1. SN74LS374: Low-power Schottky version
2. SN74HC374: High-speed CMOS version
3. SN74HCT374: High-speed CMOS version with TTL compatibility
4. SN74ACT374: Advanced CMOS version with increased speed and lower power consumption

These alternative models provide options for different voltage levels, power requirements, and performance characteristics to suit specific application needs.

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