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TC74HC697AF from TOSHIBA

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TC74HC697AF

Manufacturer: TOSHIBA

Synchronous Presettable 4-Bit Binary Up/Down Counter with Output Register

Partnumber Manufacturer Quantity Availability
TC74HC697AF TOSHIBA 1791 In Stock

Description and Introduction

Synchronous Presettable 4-Bit Binary Up/Down Counter with Output Register The TC74HC697AF is a high-speed CMOS 8-bit binary counter with a 3-state output register, manufactured by Toshiba. Below are its specifications, descriptions, and features:

### **Specifications:**
- **Technology:** High-Speed CMOS  
- **Supply Voltage Range (VCC):** 2V to 6V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Input Voltage (High):** 2V (min) at VCC = 2V, 3.15V (min) at VCC = 4.5V  
- **Input Voltage (Low):** 0.8V (max) at VCC = 2V, 1.35V (max) at VCC = 4.5V  
- **Output Current (High/Low):** ±4mA at VCC = 4.5V  
- **Propagation Delay:** 16ns (typ) at VCC = 4.5V  
- **Package Type:** SOP-20 (Small Outline Package)  

### **Descriptions:**
- The TC74HC697AF is an 8-bit synchronous binary counter with a parallel load function and a 3-state output register.  
- It features a synchronous count operation and asynchronous master reset.  
- The 3-state outputs allow for bus-oriented applications.  
- Suitable for high-speed counting, frequency division, and general digital logic applications.  

### **Features:**
- **Synchronous Counting:** Operates in sync with the clock signal.  
- **Parallel Load Capability:** Allows data to be loaded directly into the counter.  
- **3-State Outputs:** Enables bus sharing in multi-device systems.  
- **Wide Operating Voltage:** Supports 2V to 6V, making it compatible with TTL and CMOS levels.  
- **Low Power Consumption:** Typical ICC = 4μA (max) at Ta = 25°C.  
- **High Noise Immunity:** CMOS technology ensures reliable operation in noisy environments.  

This information is based on Toshiba's official datasheet for the TC74HC697AF.

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