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HN58V66A Datasheet 64k EEPROM (8-kword x 8-bit) Ready/Busy function

Manufacturer: Hitachi Semiconductor (now Renesas)

Download the HN58V66A datasheet PDF. This datasheet also includes the HN58V65A variant, as both parts are published together in a single manufacturer document.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (HN58V65A_HitachiSemiconductor.pdf) that lists specifications for multiple related part numbers.

General Description

The Hitachi HN58V65A series and HN58V66A series are a electrically erasable and programmable EEPROM’s organized as 8192-word × 8-bit.

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

They also have a 64-byte page programming function to make their write operations faster.

Overview

HN58V65A Series HN58V66A Series 64 k EEPROM (8-kword × 8-bit) Ready/Busy function, RES function (HN58V66A) ADE-203-539B (Z) Rev.

2.0 Nov.

Key Features

  • Single supply: 2.7 to 5.5 V.
  • Access time:  100 ns (max) at 2.7 V ≤ VCC < 4.5 V  70 ns (max) at 4.5 V ≤ VCC ≤ 5.5 V.
  • 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.
  • Data polling and Toggle bit.
  • Data protection circuit on power on/off.
  • Confo.