Datasheet > HN58V256ASERIESHN58V257ASERIES

HN58V256ASERIESHN58V257ASERIES

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HN58V256ASERIESHN58V257ASERIES 数据手册

HN58V256A Series

HN58V257A Series

256k EEPROM (32-kword × 8-bit)

Ready/Busy and RES function (HN58V257A)

ADE-203-357D (Z)

Rev. 4.0

Oct. 24, 1997

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. They also

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

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

Reliable CMOS with MNOS cell technology

10⁵erase/write cycles (in page mode)

10 years data retention

Software data protection

Write protection by RES pin (only the HN58V257A series)

Industrial versions (Temperature range: – 20 to 85˚C and – 40 to 85˚C) are also available.

12 3 4 5 6 7...24

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型号	品牌	获取价格	描述	数据表
HN58V256AT-12	HITACHI	获取价格	256k EEPROM (32-kword x 8-bit) Ready/Busy and RES function (HN58V257A)
HN58V256AT-12	RENESAS	获取价格	256k EEPROM (32-kword × 8-bit) Ready/Busy and
HN58V256AT-12E	RENESAS	获取价格	256k EEPROM (32-kword × 8-bit) Ready/Busy and
HN58V256AT-12SR	HITACHI	获取价格	暂无描述
HN58V256AT-15	HITACHI	获取价格	EEPROM, 32KX8, 150ns, Parallel, CMOS, PDSO28, PLASTIC, TSOP-28
HN58V256ATI-12	RENESAS	获取价格	32KX8 EEPROM 3V, 120ns, PDSO28, PLASTIC, TSOP-28
HN58V257A	RENESAS	获取价格	256k EEPROM (32-kword × 8-bit) Ready/Busy and
HN58V257ASERIES	ETC	获取价格	x8 EEPROM
HN58V257AT-12	HITACHI	获取价格	256k EEPROM (32-kword x 8-bit) Ready/Busy and RES function (HN58V257A)
HN58V257AT-12	RENESAS	获取价格	256k EEPROM (32-kword × 8-bit) Ready/Busy and