Datasheet > HMN328DLF-70

HMN328DLF-70

更新时间： 2024-10-15 02:52:19

品牌	Logo	应用领域
DLGHANBIT		静态存储器
页数	文件大小	规格书
7页	476K
描述
Non-Volatile SRAM MODULE 256Kbit (32K x 8-Bit),28Pin DIP, 5V

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HMN328DLF-70 数据手册

DLGHANBIT

DLGHANBIT Confidential

HMN328D

Non-Volatile SRAM MODULE 256Kbit (32K x 8-Bit),28Pin DIP, 5V

Part No. HMN328D

GENERAL DESCRIPTION

The HMN328D nonvolatile SRAM is a 262,144-bit static RAM organized as 32,768 bytes by 8 bits.

The HMN328D has a self-contained lithium energy source provide reliable non-volatility coupled with the unlimited write

cycles of standard SRAM and integral control circuitry which constantly monitors the single 5V supply for an out-of-

tolerance condition. When such a condition occurs, the lithium energy source is automatically switched on to sustain the

memory until after V_CCreturns valid and write protection is unconditionally enabled to prevent garbled data. In addition the

SRAM is unconditionally write-protected to prevent an inadvertent write operation. At this time the integral energy source is

switched on to sustain the memory until after V_CCreturns valid.

The HMN328D uses extremely low standby current CMOS SRAM’s, coupled with small lithium coin cells to provide non-

volatility without long write-cycle times and the write-cycle limitations associated with EEPROM.

FEATURES

 Access time : 70 ns

PIN ASSIGNMENT

 High-density design : 256Kbit Design

 Battery internally isolated until power is applied

 Industry-standard 28-pin 32K x 8 pinout

A₁₄

A₁₂

A₇

A₆

A₅

A₄

A₃

V_CC

/WE

A₁₃

 Unlimited write cycles

 Data retention in the absence of V_CC

 5-years typical data retention in absence of power

 Automatic write-protection during power-up/power-down

cycles

A₈

A₉

A₁₁

 Data is automatically protected during power loss

 Industrial temperature operation

/OE

A₁₀

A₂

A₁

A₀

/CE

DQ₇

DQ₆

DQ₅

DQ₄

DQ₃

DQ₀

DQ₁

DQ₂

V_SS

OPTIONS

 Timing

70 ns

MARKING

- 70

- 85

85 ns

28-pin Encapsulated Package

URL : www.dlghb.co.kr

Rev. 1.3 (Apr, 2009)

DLG HANBIT Co.,Ltd

12 3 4 5 6 7

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与HMN328DLF-70相关器件

型号	品牌	获取价格	描述	数据表
HMN328DLF-85	DLGHANBIT	获取价格	Non-Volatile SRAM MODULE 256Kbit (32K x 8-Bit),28Pin DIP, 5V
HMN4M8D	HANBIT	获取价格	Non-Volatile SRAM MODULE 32Mbit (4,096K x 8-Bit), 40Pin-DIP, 5V
HMN4M8D-120	HANBIT	获取价格	Non-Volatile SRAM MODULE 32Mbit (4,096K x 8-Bit), 40Pin-DIP, 5V
HMN4M8D-120I	HANBIT	获取价格	Non-Volatile SRAM MODULE 32Mbit (4,096K x 8-Bit), 40Pin-DIP, 5V
HMN4M8D-150	HANBIT	获取价格	Non-Volatile SRAM MODULE 32Mbit (4,096K x 8-Bit), 40Pin-DIP, 5V
HMN4M8D-150I	HANBIT	获取价格	Non-Volatile SRAM MODULE 32Mbit (4,096K x 8-Bit), 40Pin-DIP, 5V
HMN4M8D-70	HANBIT	获取价格	Non-Volatile SRAM MODULE 32Mbit (4,096K x 8-Bit), 40Pin-DIP, 5V
HMN4M8D-70I	HANBIT	获取价格	Non-Volatile SRAM MODULE 32Mbit (4,096K x 8-Bit), 40Pin-DIP, 5V
HMN4M8D-85	HANBIT	获取价格	Non-Volatile SRAM MODULE 32Mbit (4,096K x 8-Bit), 40Pin-DIP, 5V
HMN4M8D-85I	HANBIT	获取价格	Non-Volatile SRAM MODULE 32Mbit (4,096K x 8-Bit), 40Pin-DIP, 5V

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