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SN74LS393D from MOT,Motorola

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SN74LS393D

Manufacturer: MOT

DUAL DECADE COUNTER; DUAL 4-STAGE BINARY COUNTER

Partnumber Manufacturer Quantity Availability
SN74LS393D MOT 11 In Stock

Description and Introduction

DUAL DECADE COUNTER; DUAL 4-STAGE BINARY COUNTER The SN74LS393D is a dual 4-bit binary ripple counter manufactured by Texas Instruments (MOT stands for Motorola, but the part is from Texas Instruments).  

### **Specifications:**  
- **Logic Family:** LS (Low-Power Schottky)  
- **Number of Bits:** Dual 4-bit (two independent counters)  
- **Counting Sequence:** Binary (0 to 15)  
- **Supply Voltage Range:** 4.75V to 5.25V (nominal 5V)  
- **Operating Temperature Range:** 0°C to 70°C (commercial grade)  
- **Package Type:** SOIC-14 (D suffix)  
- **Propagation Delay:** Typically 20ns  
- **Maximum Clock Frequency:** ~35 MHz  
- **Reset Function:** Asynchronous master reset (active HIGH)  

### **Descriptions:**  
- Each counter has a separate clock input (CP) and clear input (MR).  
- The counters ripple internally, meaning the output transitions are not simultaneous.  
- Outputs are buffered for improved noise immunity.  

### **Features:**  
- **Dual 4-bit binary counters** in a single IC.  
- **Asynchronous reset** for clearing the counter.  
- **Low power consumption** (typical 32mW).  
- **TTL-compatible inputs and outputs.**  
- **Wide operating voltage range** for reliable 5V operation.  

This part is commonly used in frequency division, timing circuits, and digital counting applications.

Application Scenarios & Design Considerations

DUAL DECADE COUNTER; DUAL 4-STAGE BINARY COUNTER
Partnumber Manufacturer Quantity Availability
SN74LS393D TI 473 In Stock

Description and Introduction

DUAL DECADE COUNTER; DUAL 4-STAGE BINARY COUNTER The SN74LS393D is a dual 4-bit binary ripple counter manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Logic Family:** LS (Low-Power Schottky)  
- **Number of Bits per Counter:** 4-bit  
- **Number of Counters:** 2 (Dual)  
- **Supply Voltage (VCC):** 4.75V to 5.25V  
- **Operating Temperature Range:** 0°C to 70°C  
- **Package Type:** SOIC (D)  
- **Propagation Delay:** Typically 20 ns  
- **Power Dissipation:** Low power consumption (typical LS family characteristics)  

### **Descriptions:**  
- The SN74LS393D consists of two independent 4-bit ripple counters, each with a clear function.  
- Each counter can be used separately or cascaded for higher bit counts.  
- The counters increment on the high-to-low transition of the clock input.  

### **Features:**  
- **Dual 4-bit counters** in a single package  
- **Asynchronous clear** (active HIGH) for each counter  
- **Direct reset capability**  
- **Standard TTL compatible** inputs and outputs  
- **Wide operating voltage range** (4.75V to 5.25V)  
- **Schottky-clamped** for improved performance  

This device is commonly used in digital counting applications, frequency division, and timing circuits.

Application Scenarios & Design Considerations

DUAL DECADE COUNTER; DUAL 4-STAGE BINARY COUNTER

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