描述 Description

The Hitachi HN58S256A is a electrically erasable and programmable EEPROM’s organized as 32768-word × 8-bit employing advanced MNOS memory technology and CMOS process and circuitry technology. It also has a 64-byte page programming function to make the write operations faster.

特性 Features

? Single supply: 2.2 to 3.6 V

? Access time: 150 ns (max)/200 ns (max)

? Power dissipation:

- Active: 10 mW/MHz, (typ)

- Standby: 36 μW (max)

? On-chip latches: address, data, CE, OE, WE

? Automatic byte write: 15 ms (max)

? Automatic page write (64 bytes): 15 ms (max)

? Data polling and Toggle bit

? Data protection circuit on power on/off

? Conforms to JEDEC byte-wide standard

? Reliable CMOS with MNOS cell technology

? 105 erase/write cycles (in page mode)

? 10 years data retention

? Software data protection

? Industrial versions (Temperatur range:–40 to 85?C) are also available.