SN74ABT5401DW

Product Overview

• Category: Integrated Circuit (IC)
• Use: Buffer/Driver
• Characteristics: High-speed, non-inverting, tri-state
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Logic level translator and voltage buffer
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 4.5V to 5.5V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Maximum Operating Frequency: 100MHz
• Output Current: ±24mA
• Propagation Delay: 3.8ns (typical)

Detailed Pin Configuration

The SN74ABT5401DW has a total of 20 pins, which are assigned as follows:

1. OE (Output Enable) - Active Low Output Enable
2. A1 - Input A1
3. Y1 - Output Y1
4. GND - Ground
5. Y2 - Output Y2
6. A2 - Input A2
7. Y3 - Output Y3
8. A3 - Input A3
9. VCC - Power Supply
10. Y4 - Output Y4
11. A4 - Input A4
12. Y5 - Output Y5
13. A5 - Input A5
14. Y6 - Output Y6
15. A6 - Input A6
16. Y7 - Output Y7
17. A7 - Input A7
18. Y8 - Output Y8
19. A8 - Input A8
20. GND - Ground

Functional Features

• Non-inverting buffer/driver with tri-state outputs
• Translates logic levels between different voltage domains
• Provides high-speed signal buffering and voltage level shifting
• Allows multiple devices with different voltage requirements to communicate

Advantages and Disadvantages

Advantages: - High-speed operation - Non-inverting functionality - Tri-state outputs for bus sharing - Wide supply voltage range

Disadvantages: - Limited output current capacity - Requires external pull-up resistors for proper operation

Working Principles

The SN74ABT5401DW is a logic level translator and voltage buffer. It operates by receiving input signals from one voltage domain and translating them to another voltage domain. The non-inverting nature of the device ensures that the output signal maintains the same logic state as the input signal. The tri-state outputs allow multiple devices to share a common bus, enabling bidirectional communication.

Detailed Application Field Plans

The SN74ABT5401DW finds applications in various fields, including:

1. Microcontroller interfacing: It facilitates communication between microcontrollers operating at different voltage levels.
2. Level shifting: It enables voltage translation between different logic families, such as TTL (Transistor-Transistor Logic) and CMOS (Complementary Metal-Oxide-Semiconductor).
3. Bus buffering: It acts as a buffer between a microprocessor and peripheral devices, ensuring signal integrity and preventing data corruption.
4. Mixed voltage systems: It allows integration of components with different voltage requirements into a single system.

Detailed and Complete Alternative Models

1. SN74ABT541DW: Similar to SN74ABT5401DW but with inverted outputs.
2. SN74LVC1G07DBVR: Single-channel buffer/driver with open-drain outputs.
3. SN74HCT244N: Octal buffer/line driver with 3-state outputs.
4. SN74LVCH245ADBR: Octal bus transceiver with 3-state outputs.

These alternative models offer similar functionality and can be used as substitutes for the SN74ABT5401DW in various applications.

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