
Renesas Electronics
64k, 8k x 8-Bit 5 Volt, Byte Alterable EEPROM
The X28HC64 is an 8k x 8 EEPROM, fabricated with Intersil’s proprietary, high performance, floating gate CMOS technology. Like all Intersil programmable nonvolatile memories, the X28HC64 is a 5V only device. It features the JEDEC approved pinout for byte-wide memories, compatible with industry standard RAMs.
FEATUREs
• 70ns access time
• Simple byte and page write
- Single 5V supply
- No external high voltages or VP-P control circuits
- Self-timed
- No erase before write
- No complex programming algorithms
- No overerase problem
• Low power CMOS
- 40mA active current maximum
• 200µA standby current maximum
• Fast write cycle times
- 64-byte page write operation
- Byte or page write cycle: 2ms typical
- Complete memory rewrite: 0.25s typical
- Effective byte write cycle time: 32µs typical
• Software data protection
• End of write detection
- DATA polling
- Toggle bit
• High reliability
- Endurance: 100,000 cycles
- Data retention: 100 years
• JEDEC approved byte-wide pinout
• Pb-free available (RoHS compliant)