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UPD28C256CZ-20 from NEC

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15.991ms

UPD28C256CZ-20

Manufacturer: NEC

32,768 x 8-bit CMOS EEPROM. Access time(max) 200 ns.

Partnumber Manufacturer Quantity Availability
UPD28C256CZ-20,UPD28C256CZ20 NEC 484 In Stock

Description and Introduction

32,768 x 8-bit CMOS EEPROM. Access time(max) 200 ns. The UPD28C256CZ-20 is a 256K-bit (32K x 8) CMOS Electrically Erasable and Programmable Read-Only Memory (EEPROM) manufactured by NEC.  

### **Specifications:**  
- **Organization:** 32K x 8 bits  
- **Access Time:** 200 ns (UPD28C256CZ-20)  
- **Operating Voltage:** 5V ±10%  
- **Low Power Consumption:**  
  - Active Current: 30 mA (max)  
  - Standby Current: 100 µA (max)  
- **Endurance:** 10,000 write/erase cycles (min)  
- **Data Retention:** 10 years (min)  
- **Package:** 28-pin DIP (Dual In-line Package)  

### **Features:**  
- **Byte-Programmable:** Allows individual byte programming.  
- **Automatic Erase Before Write:** Ensures data integrity.  
- **Hardware Data Protection:** Prevents accidental writes.  
- **CMOS Technology:** Low power consumption.  
- **TTL-Compatible Inputs/Outputs:** Ensures compatibility with standard logic levels.  
- **On-Chip Address Latches:** Simplifies interfacing with microprocessors.  

This EEPROM is commonly used in applications requiring non-volatile memory storage, such as firmware storage, configuration data, and system parameter storage.

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