HN58V257A - 256k EEPROM (32-kword x 8-bit) Ready/Busy and RES function

Product Overview

Hitachi

Datasheet Details

Part number	HN58V257A
Manufacturer	Hitachi
File Size	118.44 KB
Description	256k EEPROM (32-kword x 8-bit) Ready/Busy and RES function
Datasheet	HN58V257A Datasheet
Note	This datasheet PDF includes multiple part numbers: HN58V257A, HN58V256A. Please refer to the document for exact specifications by model.
Additional preview pages of the HN58V257A datasheet.

Product details

Description

The Hitachi HN58V256A and HN58V257A are electrically erasable and programmable ROMs organized as 32768-word × 8-bit.

They have realized high speed, low power consumption and high reliability by employing advanced MNOS memory technology and CMOS process and circuitry technology.

Features

Single 3 V supply: 2.7 to 5.5 V.
Access time: 120 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 HN58V257A series).
Data polling and Toggle bit.
Data protection circuit on power on/off.
Conforms to JEDEC byte-wide standard.
Re.

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Published: Jul 25, 2018 |