Description
The Hitachi HN58C1001 is a electrically erasable and programmable ROM organized as 131072-word × 8- bit. It has realized high speed, low power consumption and high reliability by employing advanced MNOS memory technology and CMOS process and circuitry technology. It also has a 128-byte page programming function to make the write operations faster.

Features
• Single supply: 5.0 V ± 10%
• Access time: 150 ns (max)
• Power dissipation
    - Active: 20 mW/MHz, (typ)
    - Standby: 110 µW (max)
• On-chip latches: address, data, CE, OE, WE
• Automatic byte write: 10 ms (max)
• Automatic page write (128 bytes): 10 ms (max)
• Data polling and RDY/Busy
• Data protection circuit on power on/off
• Conforms to JEDEC byte-wide standard
• Reliable CMOS with MNOS cell technology
• 104 erase/write cycles (in page mode)
• 10 years data retention
• Software data protection
• Write protection by RES pin