5 Volt, Byte Alterable E2PROM The X28C64S-20 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-bit)
- **Operating Voltage:** 5V ±10%
- **Access Time:** 200 ns (X28C64S-20)
- **Endurance:** 100,000 write cycles per byte (minimum)
- **Data Retention:** 100 years (minimum)
- **Operating Temperature Range:** Commercial (0°C to +70°C) or Industrial (-40°C to +85°C)
- **Package Options:** 28-pin PDIP, PLCC, SOIC
### **Descriptions:**
- The X28C64S-20 is a high-performance, byte-alterable EEPROM with a fast access time.
- It features a simple, microprocessor-compatible interface with no external components required.
- The device supports both byte-write and page-write operations (up to 64 bytes per page).
- It includes a software data protection mechanism to prevent accidental writes.
### **Features:**
- **Fast Read Access Time:** 200 ns
- **Low Power Consumption:**
- Active current: 30 mA (max)
- Standby current: 100 µA (max)
- **Page-Write Mode:** Up to 64 bytes can be written in a single operation.
- **Hardware & Software Data Protection:** Prevents inadvertent writes.
- **Self-Timed Write Cycle:** No external timing components needed.
- **CMOS Technology:** Ensures high reliability and low power consumption.
- **JEDEC-Approved Pinout:** Compatible with industry-standard 28-pin EEPROMs.
This information is based solely on the manufacturer's datasheet and technical documentation.
