HN58S256A Series 256 k EEPROM (32-kword × 8-bit) ADE-203-692B (Z) Rev.
2.
0 Nov.
1997 Description The Hitachi HN58S256A is a electrically erasable and programmable EEPROM’s organized as 32768word × 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.
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 protectio...

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