SN74AS4374BDW

Product Overview

• Category: Integrated Circuit (IC)
• Use: Digital Logic
• Characteristics: High-speed, Low-power, Octal D-type Transparent Latches with 3-State Outputs
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: The SN74AS4374BDW is an octal D-type transparent latch with 3-state outputs. It is designed for high-speed digital logic applications.
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

• Supply Voltage Range: 4.5V to 5.5V
• High-Level Input Voltage: 2.0V (min), 7.0V (max)
• Low-Level Input Voltage: -0.5V (min), 0.8V (max)
• High-Level Output Voltage: 2.4V (min), VCC (max)
• Low-Level Output Voltage: 0.4V (min), 0.5V (max)
• Maximum Operating Frequency: 100MHz
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SN74AS4374BDW has a total of 20 pins. The pin configuration is 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. Q0 (Output 0)
13. Q1 (Output 1)
14. Q2 (Output 2)
15. Q3 (Output 3)
16. Q4 (Output 4)
17. Q5 (Output 5)
18. Q6 (Output 6)
19. Q7 (Output 7)
20. VCC (Supply Voltage)

Functional Features

• Octal D-type transparent latch with 3-state outputs
• High-speed operation suitable for digital logic applications
• Transparent latch allows data to be latched and outputted based on the clock pulse
• Output enable pin allows the outputs to be put in a high-impedance state when not enabled

Advantages and Disadvantages

Advantages: - High-speed operation - Low-power consumption - 3-state outputs provide flexibility in connecting multiple devices

Disadvantages: - Limited voltage range (4.5V to 5.5V) - Maximum operating frequency of 100MHz may not be sufficient for some high-frequency applications

Working Principles

The SN74AS4374BDW operates as an octal D-type transparent latch. When the clock pulse (CP) is active, the data inputs (D0-D7) are latched and transferred to the outputs (Q0-Q7). The latch remains transparent as long as the CP signal is active. When the CP signal goes inactive, the latched data is held at the outputs until the next clock pulse.

The output enable (OE) pin controls the state of the outputs. When OE is low, the outputs are enabled and reflect the latched data. When OE is high, the outputs are put in a high-impedance state, allowing other devices to drive the bus.

Detailed Application Field Plans

The SN74AS4374BDW can be used in various digital logic applications, including but not limited to:

1. Microprocessor systems
2. Data storage systems
3. Communication systems
4. Industrial control systems
5. Test and measurement equipment

Detailed and Complete Alternative Models

1. SN74AS4374BNSR - SOIC-20 package, Tape and Reel packaging
2. SN74AS4374BDWR - SOIC-20 package, Tube packaging
3. SN74AS4374BDR - SSOP-20 package, Tape and Reel packaging
4. SN74AS4374BDBR - SSOP-20 package, Tube packaging

These alternative models offer similar functionality to the SN74AS4374BDW but may differ in package type and packaging options.

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