5 Volt, Byte Alterable E2PROM The X28C64PI is a 64K (8K x 8) CMOS EEPROM manufactured by XICOR. Below are its key specifications, descriptions, and features:
### **Specifications:**
- **Organization:** 8K x 8 (64K bits)
- **Supply Voltage:** 5V ±10%
- **Access Time:** 150 ns (max)
- **Operating Current:** 30 mA (max)
- **Standby Current:** 100 µA (max)
- **Data Retention:** 100 years (min)
- **Endurance:** 100,000 write cycles (min) per byte
- **Package:** 28-pin PDIP (Plastic Dual In-line Package)
### **Descriptions:**
- The X28C64PI is a byte-erasable and programmable EEPROM with a 64K-bit capacity.
- It supports both parallel data interface and a simple three-wire control scheme.
- Features a fast write cycle time of 200 ns (typical).
- Compatible with JEDEC standards for easy integration into existing designs.
### **Features:**
- **Low Power Consumption:** CMOS technology ensures low active and standby currents.
- **High Reliability:** Built-in error correction and data retention for 100 years.
- **Byte Alterability:** Allows individual byte erasure and programming without requiring a full chip erase.
- **Hardware & Software Protection:** Features write protection via control pins and software data protection (SDP) mechanisms.
- **Wide Temperature Range:** Industrial-grade operation (-40°C to +85°C).
- **Direct Microprocessor Interface:** Compatible with most standard microprocessors.
This information is based solely on the manufacturer's datasheet for the X28C64PI by XICOR.
