M74HCT126B1R

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Gate Buffer/Driver
• Characteristics: High-Speed CMOS, Quad Bus Buffer with 3-State Outputs
• Package: SOIC-14
• Essence: The M74HCT126B1R is a quad bus buffer with 3-state outputs, designed for high-speed CMOS applications.
• Packaging/Quantity: Available in reels of 2500 units.

Specifications

• Supply Voltage: 4.5V to 5.5V
• Input Voltage: 0V to VCC
• Output Voltage: 0V to VCC
• Operating Temperature: -40°C to +125°C
• Propagation Delay Time: 10ns (max)
• Output Current: ±6mA
• Input Capacitance: 3pF (typ)
• Output Capacitance: 8pF (typ)

Detailed Pin Configuration

The M74HCT126B1R has a total of 14 pins, which are assigned as follows:

1. 1A - Input 1
2. 1Y - Output 1
3. GND - Ground
4. 2A - Input 2
5. 2Y - Output 2
6. 3A - Input 3
7. 3Y - Output 3
8. 4A - Input 4
9. 4Y - Output 4
10. OE - Output Enable
11. NC - No Connection
12. NC - No Connection
13. VCC - Supply Voltage
14. GND - Ground

Functional Features

• Quad buffer with 3-state outputs
• High-speed operation suitable for CMOS applications
• Output enable (OE) pin allows for 3-state control
• Wide operating voltage range
• Low power consumption

Advantages and Disadvantages

Advantages

• High-speed operation enables efficient data transfer
• 3-state outputs provide flexibility in controlling bus lines
• Wide operating voltage range allows compatibility with various systems
• Low power consumption reduces energy usage

Disadvantages

• Limited number of buffer outputs (4 in total)
• Not suitable for applications requiring a large number of buffer channels

Working Principles

The M74HCT126B1R is a quad bus buffer that amplifies and buffers input signals to drive output loads. It operates using high-speed CMOS technology, which ensures fast signal propagation and low power consumption. The output enable (OE) pin controls the 3-state outputs, allowing the user to disable or enable the buffer as needed.

Detailed Application Field Plans

The M74HCT126B1R is commonly used in various digital systems where signal buffering and driving are required. Some specific application fields include:

1. Microcontrollers and microprocessors
2. Communication systems
3. Data storage devices
4. Industrial automation
5. Automotive electronics

Detailed and Complete Alternative Models

1. SN74HCT126 - Texas Instruments
2. MC74HCT126A - ON Semiconductor
3. CD74HCT126E - Texas Instruments
4. 74HCT126D - NXP Semiconductors
5. TC74HCT126AF - Toshiba Semiconductor

These alternative models offer similar functionality and can be used as replacements for the M74HCT126B1R in various applications.

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