SN74ALVC125DE4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Buffer/Driver
• Characteristics: High-speed, low-voltage, quad-channel buffer/driver
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Logic Level Shifter
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.65V to 3.6V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Maximum Operating Frequency: 400 MHz
• Number of Channels: 4
• Input/Output Type: Tri-State
• Output Drive Capability: ±24 mA
• Propagation Delay: 2.5 ns (typical)

Detailed Pin Configuration

The SN74ALVC125DE4 has a total of 14 pins, which are assigned as follows:

1. GND (Ground)
2. A1 (Input A1)
3. Y1 (Output Y1)
4. A2 (Input A2)
5. Y2 (Output Y2)
6. GND (Ground)
7. A3 (Input A3)
8. Y3 (Output Y3)
9. A4 (Input A4)
10. Y4 (Output Y4)
11. VCC (Supply Voltage)
12. OE (Output Enable)
13. GND (Ground)
14. GND (Ground)

Functional Features

• Quad-channel buffer/driver with tri-state outputs
• Provides voltage level shifting between different logic families
• Allows interfacing between devices operating at different voltage levels
• High-speed operation suitable for applications requiring fast signal propagation
• Low power consumption
• ESD protection on all inputs and outputs

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows compatibility with various systems - Tri-state outputs enable easy bus sharing and signal isolation - High-speed operation supports demanding applications - ESD protection ensures robustness against electrostatic discharge

Disadvantages: - Limited number of channels (4) - Not suitable for applications requiring a higher number of buffer/driver channels

Working Principles

The SN74ALVC125DE4 is designed to act as a buffer/driver, providing voltage level shifting between different logic families. It operates by receiving input signals from the A1-A4 pins and driving corresponding output signals on the Y1-Y4 pins. The OE pin controls the tri-state outputs, allowing the device to be enabled or disabled.

When the OE pin is low, the outputs are active and reflect the logic levels present at the inputs. When the OE pin is high, the outputs are in a high-impedance state, effectively disconnecting them from the rest of the circuit.

Detailed Application Field Plans

The SN74ALVC125DE4 can be used in various applications, including but not limited to:

1. Microcontroller interfacing: It enables communication between microcontrollers operating at different voltage levels.
2. Level shifting: It facilitates voltage translation between different logic families, such as TTL to CMOS or vice versa.
3. Bus sharing: It allows multiple devices to share a common bus while maintaining signal integrity.
4. Signal buffering: It provides signal amplification and isolation, ensuring reliable transmission over long distances.

Detailed and Complete Alternative Models

1. SN74LVC125A: Similar quad-channel buffer/driver with 3.3V supply voltage range.
2. SN74LV1T125: Single-channel buffer/driver with 3.3V supply voltage range.
3. SN74HCT125: Quad-channel buffer/driver with 5V supply voltage range.

These alternative models offer similar functionality and can be considered as substitutes for the SN74ALVC125DE4, depending on specific requirements and system constraints.

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