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TC74AC521P from TOS,TOSHIBA

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TC74AC521P

Manufacturer: TOS

8-BIT EQUALITY COMPARATOR

Partnumber Manufacturer Quantity Availability
TC74AC521P TOS 2400 In Stock

Description and Introduction

8-BIT EQUALITY COMPARATOR The TC74AC521P is a high-speed CMOS 8-bit comparator manufactured by Toshiba.  

### **Key Specifications:**  
- **Logic Type:** 8-bit identity comparator  
- **Technology:** CMOS (AC Series)  
- **Supply Voltage Range:** 2.0V to 5.5V  
- **High-Speed Operation:** Propagation delay of 5.5 ns (typical) at 5V  
- **Low Power Consumption:** ICC = 4 μA (max) at 5.5V  
- **Output Type:** Standard  
- **Package Type:** DIP-20 (Plastic)  
- **Operating Temperature Range:** -40°C to +85°C  

### **Features:**  
- **Wide Operating Voltage:** Supports 2V to 5.5V  
- **High Noise Immunity:** Typical VNH = VNL = 28% VCC  
- **TTL-Compatible Inputs:** Can interface with TTL levels  
- **Three-State Output:** Allows bus-oriented applications  
- **Pin-to-Pin Compatible:** With 74HC/HCT521  

### **Applications:**  
- **Data Comparison** in microprocessors and digital systems  
- **Address Decoding**  
- **Bus Arbitration**  

For detailed electrical characteristics and timing diagrams, refer to Toshiba’s official datasheet.

Application Scenarios & Design Considerations

8-BIT EQUALITY COMPARATOR
Partnumber Manufacturer Quantity Availability
TC74AC521P TOSHIBA 153 In Stock

Description and Introduction

8-BIT EQUALITY COMPARATOR The **TC74AC521P** is a high-speed CMOS 8-bit comparator manufactured by **TOSHIBA**.  

### **Key Specifications:**  
- **Logic Family:** AC (Advanced CMOS)  
- **Number of Bits:** 8-bit  
- **Function:** Identity Comparator (checks if two 8-bit inputs are equal)  
- **Output Type:** Active Low (outputs LOW when inputs match)  
- **Supply Voltage Range:** 2.0V to 5.5V  
- **High-Speed Operation:** Suitable for high-performance applications  
- **Low Power Consumption:** Benefits from CMOS technology  
- **Package Type:** DIP (Dual In-line Package)  

### **Features:**  
- **Wide Operating Voltage:** Compatible with TTL levels (5V) and lower voltages  
- **High Noise Immunity:** Improved signal integrity  
- **Latch-Up Performance:** Exceeds 250mA per JESD 78  
- **Pin-Compatible:** Can replace older 74LS521 and similar comparators  

This device is commonly used in digital systems for equality checking between two data words.  

*(Note: Always refer to the official datasheet for precise details before implementation.)*

Application Scenarios & Design Considerations

8-BIT EQUALITY COMPARATOR

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