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SN74HC393DB from TI,Texas Instruments

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SN74HC393DB

Manufacturer: TI

DUAL 4-BIT BINARY COUNTERS

Partnumber Manufacturer Quantity Availability
SN74HC393DB TI 853 In Stock

Description and Introduction

DUAL 4-BIT BINARY COUNTERS The SN74HC393DB is a dual 4-bit binary ripple counter manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Logic Type:** Binary Counter  
- **Number of Bits:** 4 bits per counter (dual counter)  
- **Number of Elements:** 2  
- **Trigger Type:** Negative Edge  
- **Supply Voltage Range:** 2V to 6V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package / Case:** SSOP-14  
- **Mounting Type:** Surface Mount  
- **Output Type:** Standard  
- **Propagation Delay Time:** 18 ns (typical at 5V)  
- **High-Level Output Current:** -5.2 mA  
- **Low-Level Output Current:** 5.2 mA  

### **Descriptions:**  
- The SN74HC393DB contains two independent 4-bit ripple counters.  
- Each counter has a clock (CP) input, a master reset (MR) input, and four parallel outputs (Q0 to Q3).  
- The counters reset to zero on a high level at MR.  
- Counts on the high-to-low transition of the clock input.  

### **Features:**  
- **Dual 4-Bit Binary Counters:** Two independent counters in a single package.  
- **Wide Operating Voltage:** 2V to 6V for flexibility in different applications.  
- **High-Speed Operation:** Typical propagation delay of 18 ns at 5V.  
- **Low Power Consumption:** CMOS technology ensures low power dissipation.  
- **Asynchronous Master Reset:** Clears all outputs simultaneously.  
- **Standard Outputs:** Compatible with TTL inputs.  

This information is based solely on the manufacturer's datasheet.

Application Scenarios & Design Considerations

DUAL 4-BIT BINARY COUNTERS

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