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TC74HC40102AF from TOSHIBA

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TC74HC40102AF

Manufacturer: TOSHIBA, TOS

DUAL BCD/8-BIT BINARY PROGRAMMABLE DOWN COUNTER

Partnumber Manufacturer Quantity Availability
TC74HC40102AF TOSHIBA, TOS 1699 In Stock

Description and Introduction

DUAL BCD/8-BIT BINARY PROGRAMMABLE DOWN COUNTER The TC74HC40102AF is a 4-bit synchronous down counter manufactured by Toshiba. Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Logic Family:** HC (High-Speed CMOS)  
- **Supply Voltage Range:** 2V to 6V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package Type:** SOP (Small Outline Package)  
- **Pin Count:** 16  
- **Counting Mode:** Synchronous Down Counter  
- **Maximum Clock Frequency:** 50 MHz (at 5V)  
- **Low Power Consumption:** CMOS technology ensures low power dissipation  
- **Output Current:** ±5.2 mA (at 5V)  

### **Descriptions:**  
- The TC74HC40102AF is a 4-bit synchronous presettable down counter with a parallel load function.  
- It operates synchronously with the clock signal, ensuring precise counting.  
- Features a master reset function for clearing the counter.  
- Suitable for applications requiring precise timing and counting operations.  

### **Features:**  
- **Synchronous Operation:** Counts down in sync with the clock signal.  
- **Parallel Load Capability:** Allows preset values to be loaded into the counter.  
- **Master Reset (MR):** Clears the counter to zero asynchronously.  
- **Wide Operating Voltage:** Supports 2V to 6V, making it versatile for various applications.  
- **High-Speed Performance:** Capable of operating at up to 50 MHz (at 5V).  
- **Low Power Consumption:** Ideal for battery-powered devices.  
- **CMOS Technology:** Ensures compatibility with TTL levels and noise immunity.  

This information is sourced from Toshiba's official documentation for the TC74HC40102AF.

Application Scenarios & Design Considerations

DUAL BCD/8-BIT BINARY PROGRAMMABLE DOWN COUNTER

Alternative Part Number

  • CD74HC40102E --: Same HC-family 40102 programmable divide-by-n counter function, widely available and pin-compatible in DIP package.
  • MC74HC40102AD --: Equivalent HC CMOS 40102 counter from a different series prefix, suitable direct functional replacement.
  • HEF40102BP --: 4000-series programmable divide-by-n counter with similar logic function, usable as a functional alternative with supply voltage check.
  • 74HC40102D --: Standard 74HC40102 programmable divider in SOIC package, functionally equivalent and suitable as a drop-in logic replacement.

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