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M74HCT125 from STMicroelectronics,ST Microelectronics

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M74HCT125

Manufacturer: STMicroelectronics

QUAD BUS BUFFERS (3-STATE)

Partnumber Manufacturer Quantity Availability
M74HCT125 STMicroelectronics 899 In Stock

Description and Introduction

QUAD BUS BUFFERS (3-STATE) The M74HCT125 is a quad buffer/line driver with 3-state outputs, manufactured by STMicroelectronics.  

### **Key Specifications:**  
- **Logic Family:** HCT (High-speed CMOS with TTL compatibility)  
- **Number of Channels:** 4 (Quad)  
- **Output Type:** 3-state (High, Low, High-Z)  
- **Supply Voltage Range:** 4.5V to 5.5V  
- **Input Voltage (TTL Compatible):** 0.8V (Low), 2.0V (High)  
- **Output Current (High/Low):** ±6mA  
- **Propagation Delay:** Typically 13ns at 5V  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package Options:** DIP-14, SO-14, TSSOP-14  

### **Features:**  
- **TTL-Compatible Inputs:** Ensures direct interfacing with TTL logic levels.  
- **High Noise Immunity:** CMOS technology provides robust noise resistance.  
- **Low Power Consumption:** Typical ICC of 4μA (static).  
- **3-State Outputs:** Allows bus-oriented applications.  
- **Wide Operating Voltage:** Supports standard 5V logic systems.  

### **Applications:**  
- Bus buffering and driving  
- Memory address driving  
- General-purpose logic level translation  

The M74HCT125 is commonly used in digital systems requiring signal buffering and isolation.

Application Scenarios & Design Considerations

QUAD BUS BUFFERS (3-STATE)
Partnumber Manufacturer Quantity Availability
M74HCT125 ST 899 In Stock

Description and Introduction

QUAD BUS BUFFERS (3-STATE) The M74HCT125 is a quad buffer/line driver with 3-state outputs, manufactured by STMicroelectronics. It is part of the HCT family, which combines the high-speed performance of CMOS with the low power consumption of TTL.  

### **Specifications:**  
- **Logic Family:** HCT  
- **Number of Channels:** 4 (Quad)  
- **Supply Voltage Range:** 4.5V to 5.5V  
- **High-Level Input Voltage (VIH):** 2V (min)  
- **Low-Level Input Voltage (VIL):** 0.8V (max)  
- **High-Level Output Voltage (VOH):** 4.4V (min at IOH = -4mA)  
- **Low-Level Output Voltage (VOL):** 0.1V (max at IOL = 4mA)  
- **Propagation Delay:** 14ns (typical at VCC = 5V)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package Options:** SO-14, TSSOP-14  

### **Descriptions and Features:**  
- **3-State Outputs:** Allows multiple devices to share a common bus without interference.  
- **TTL-Compatible Inputs:** Ensures compatibility with TTL logic levels.  
- **High Noise Immunity:** Typical CMOS noise margin of 0.9V at VCC = 5V.  
- **Low Power Consumption:** Typical ICC of 1μA at room temperature.  
- **ESD Protection:** Exceeds 2000V per JESD22-A114.  
- **Applications:** Used in bus driving, buffering, and signal isolation in digital circuits.  

This information is based on the manufacturer's datasheet.

Application Scenarios & Design Considerations

QUAD BUS BUFFERS (3-STATE)

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