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DM74121N from NS,National Semiconductor

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DM74121N

Manufacturer: NS

One-Shot with Clear and Complementary Outputs

Partnumber Manufacturer Quantity Availability
DM74121N NS 25 In Stock

Description and Introduction

One-Shot with Clear and Complementary Outputs The DM74121N is a monostable multivibrator (one-shot) manufactured by National Semiconductor (NS).  

**Key Specifications:**  
- **Logic Family:** TTL  
- **Supply Voltage (VCC):** 4.75V to 5.25V  
- **Propagation Delay (Typical):** 35 ns  
- **Output Current (High):** -800 µA  
- **Output Current (Low):** 16 mA  
- **Operating Temperature Range:** 0°C to +70°C  
- **Package Type:** 14-Pin DIP (Dual In-line Package)  
- **Trigger Inputs:** Positive and negative edge-triggered  
- **Output Pulse Width:** Adjustable via external timing components (resistor and capacitor)  

The device is designed for precision timing applications and provides stable output pulse widths.

Partnumber Manufacturer Quantity Availability
DM74121N FSC 69 In Stock

Description and Introduction

One-Shot with Clear and Complementary Outputs The DM74121N is a monostable multivibrator (one-shot) manufactured by FSC (Fairchild Semiconductor Corporation).  

**Key Specifications:**  
- **Logic Family:** TTL  
- **Function:** Monostable Multivibrator  
- **Supply Voltage (VCC):** 4.75V to 5.25V  
- **Operating Temperature Range:** 0°C to +70°C  
- **Propagation Delay:** Typically 35 ns  
- **Output Current (High/Low):** -800 µA / 16 mA  
- **Package:** 14-pin DIP (Dual In-line Package)  
- **Trigger Inputs:** Includes positive (A) and negative (B) edge-triggered inputs  
- **Timing Control:** Adjustable via external resistor and capacitor  

This information is based on the manufacturer's datasheet.

Partnumber Manufacturer Quantity Availability
DM74121N NSC 53 In Stock

Description and Introduction

One-Shot with Clear and Complementary Outputs The DM74121N is a monostable multivibrator (one-shot) manufactured by National Semiconductor (NSC).  

**Key Specifications:**  
- **Supply Voltage (VCC):** 4.75V to 5.25V (standard 5V operation)  
- **Trigger Inputs:** Two negative-edge-triggered (A1, A2) and one positive-edge-triggered (B)  
- **Output Pulse Width:** Adjustable via external timing components (R, C)  
- **Output Current (High):** -0.4mA (sink)  
- **Output Current (Low):** 16mA (source)  
- **Propagation Delay:** Typically 35ns  
- **Operating Temperature Range:** 0°C to 70°C  
- **Package:** 14-pin DIP (Dual In-line Package)  

The device is designed for precision timing applications with stable output pulse duration.

Partnumber Manufacturer Quantity Availability
DM74121N NS 25 In Stock

Description and Introduction

One-Shot with Clear and Complementary Outputs The DM74121N is a monostable multivibrator manufactured by National Semiconductor (NS).  

**Key Specifications:**  
- **Function:** Monostable multivibrator (one-shot)  
- **Triggering:** Positive or negative edge-triggered  
- **Output Pulse Width:** Adjustable via external timing components (resistor and capacitor)  
- **Supply Voltage (VCC):** 4.75V to 5.25V (standard TTL range)  
- **Operating Temperature Range:** 0°C to 70°C  
- **Package:** 14-pin DIP (Dual In-line Package)  
- **Output Current:** Standard TTL output drive capability  
- **Propagation Delay:** Typically 35 ns  

The pulse width (t\_w) is determined by the external resistor (R\_ext) and capacitor (C\_ext) connected to the device, following the formula:  
\[ t_w \approx 0.7 \times R_{ext} \times C_{ext} \]  

This IC is commonly used in timing, pulse generation, and delay applications.

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