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HN58C65P-25 from HITACHI

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HN58C65P-25

Manufacturer: HITACHI, HIT, HIT

8192-word X 8-bit Electrically Erasable and Programmable CMOS ROM

Partnumber Manufacturer Quantity Availability
HN58C65P-25,HN58C65P25 HITACHI, HIT, HIT 3061 In Stock

Description and Introduction

8192-word X 8-bit Electrically Erasable and Programmable CMOS ROM The HN58C65P-25 is a 64K (8K x 8) EEPROM (Electrically Erasable Programmable Read-Only Memory) manufactured by **Hitachi**. Here are its key specifications:

1. **Organization**: 8K x 8 (64K-bit)  
2. **Access Time**: 250 ns (indicated by the "-25" suffix)  
3. **Supply Voltage**: 5V ±10%  
4. **Operating Current**: 30 mA (max)  
5. **Standby Current**: 100 μA (max)  
6. **Write Time**: 10 ms (typical) for byte or page write  
7. **Endurance**: 10,000 write/erase cycles (min)  
8. **Data Retention**: 10 years (min)  
9. **Interface**: Parallel (8-bit data bus)  
10. **Package**: 28-pin DIP (Dual In-line Package)  

The device supports byte-write and page-write operations and includes a write-protect feature. It operates over a temperature range of **0°C to +70°C** (commercial grade).  

For exact details, refer to the official Hitachi datasheet.

Application Scenarios & Design Considerations

8192-word X 8-bit Electrically Erasable and Programmable CMOS ROM

Alternative Part Number

  • M28C64-25 --: 64Kbit parallel EEPROM with similar pinout and 250ns access time, direct functional replacement.
  • AT28C64B-25 --: 64Kbit parallel EEPROM, 250ns speed grade, widely available and pin-compatible with the HN58C65.
  • X28C64-25 --: 64Kbit parallel EEPROM with matching 250ns timing and compatible interface, suitable drop-in alternative.
  • X28C64P-25 --: 64Kbit parallel EEPROM in 28-pin DIP with 250ns access time, direct functional replacement.
  • AT28C64B-25PU --: 64Kbit parallel EEPROM with 250ns access time, functionally compatible with the 8Kx8 parallel EEPROM interface and widely available.

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