HN58C256AP-10 - 256k EEPROM (32-kword x 8-bit) Ready/Busy and RES function (HN58C257A) - Hitachi Semiconductor
• Single 5 V supply: 5 V ±10%
• Access time: 85 ns/100 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 (64 bytes): 10 ms max
• Ready/Busy (only the HN58C257A series)
• 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
• Write protection by RES pin (only the HN58C257A series)
• Industrial versions (Temperatur range: – 20 to 85?C and – 40 to 85?C) are also available.
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