SN74AHC125RGYR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Buffer/Driver
• Characteristics: High-speed, low-power, non-inverting
• Package: 14-pin VQFN (Very Thin Quad Flat No-Lead) package
• Essence: Logic level translator/buffer
• Packaging/Quantity: Tape and reel packaging, 2500 units per reel

Specifications

• Supply Voltage Range: 2 V to 5.5 V
• Input Voltage Range: 0 V to VCC
• Output Voltage Range: 0 V to VCC
• Maximum Operating Frequency: 50 MHz
• Number of Channels: 4
• Input Capacitance: 3 pF
• Output Capacitance: 6 pF
• Propagation Delay Time: 7 ns
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SN74AHC125RGYR has a total of 14 pins, which are labeled as follows:

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

Functional Features

• Non-inverting buffer/driver with 3-state outputs
• Allows voltage level translation between different logic families
• High-speed operation with low power consumption
• Supports bidirectional data flow
• Output enable (OE) pin allows for easy control of output state

Advantages and Disadvantages

Advantages: - High-speed operation enables efficient data transfer - Low-power design helps conserve energy - Non-inverting nature simplifies logic level translation - 3-state outputs provide flexibility in controlling signal flow

Disadvantages: - Limited number of channels (4) - Propagation delay time may impact timing-sensitive applications - Requires careful consideration of voltage compatibility with connected devices

Working Principles

The SN74AHC125RGYR is a buffer/driver IC that operates as a non-inverting logic level translator. It takes input signals from one logic family and provides output signals compatible with another logic family. The device uses CMOS technology, allowing for high-speed operation while consuming minimal power.

The OE pins control the output state of the device. When the OE pin is low, the outputs are enabled and mirror the inputs. Conversely, when the OE pin is high, the outputs are in a high-impedance state, effectively disconnecting them from the circuit.

The SN74AHC125RGYR can be used to interface between different logic families, such as TTL (Transistor-Transistor Logic) and CMOS (Complementary Metal-Oxide-Semiconductor). It ensures proper voltage level translation and signal integrity between these incompatible systems.

Detailed Application Field Plans

The SN74AHC125RGYR finds applications in various fields, including:

1. Microcontroller interfacing: It facilitates communication between microcontrollers operating at different logic levels.
2. Data transmission: It enables voltage level translation in serial communication interfaces like UART, SPI, and I2C.
3. Industrial automation: The IC is used in control systems to interface between different logic families.
4. Automotive electronics: It plays a vital role in connecting various components with different voltage requirements.
5. Consumer electronics: The IC is utilized in devices that require logic level translation, such as smartphones and tablets.

Detailed and Complete Alternative Models

1. SN74AHC125PW: 14-pin TSSOP (Thin Shrink Small Outline Package) package
2. SN74AHC125NSR: 14-pin SOIC (Small Outline Integrated Circuit) package
3. SN74AHC125D: 14-pin SOIC package with wider temperature range (-40°C to +125°C)
4. SN74AHC125PWR: 14-pin TSSOP package with tape and reel packaging

These alternative models offer similar functionality and characteristics to the SN74AHC125RGYR, providing options for different package types and temperature ranges.

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