HMN328D-70 datasheet, PDF - EEWORLD Datasheet

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HMN328D-70: Descriptionnon-volatile sram module 256Kbit (32k x 8-bit),28pin dip, 5V; Categorystorage storage; File Size154KB，9 Pages; ManufacturerHANBIT Electronics; Websitehttp://www.hbe.co.kr/

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HMN328D-70 Overview

non-volatile sram module 256Kbit (32k x 8-bit),28pin dip, 5V

HMN328D-70 Parametric

Parameter Name	Attribute value
Maker	HANBIT Electronics
package instruction	,
Reach Compliance Code	unknown

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HANBit

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

returns 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

returns 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, 85, , 120, 150 ns

High-density design : 256Kbit Design

Battery internally isolated until power is applied

Industry-standard 28-pin 32K x 8 pinout

Unlimited write cycles

Data retention in the absence of V

10-years minimum data retention in absence of power

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

cycles

Data is automatically protected during power loss

Industrial temperature operation

PIN ASSIGNMENT

OPTIONS

Timing

70 ns

85 ns

120 ns

150 ns

MARKING

- 70

- 85

-120

-150

/WE

/CE

28-pin Encapsulated Package

URL : www.hbe.co.kr

Rev. 0.0 (April, 2002)

HANBit Electronics Co.,Ltd

HMN328D-70 Related Products

	HMN328D-70	HMN328D-150	HMN328D-70I	HMN328D-120I	HMN328D-85	HMN328D-120	HMN328D	HMN328D-150I
Description	non-volatile sram module 256Kbit (32k x 8-bit),28pin dip, 5V	non-volatile sram module 256Kbit (32k x 8-bit),28pin dip, 5V	non-volatile sram module 256Kbit (32k x 8-bit),28pin dip, 5V	non-volatile sram module 256Kbit (32k x 8-bit),28pin dip, 5V	non-volatile sram module 256Kbit (32k x 8-bit),28pin dip, 5V	non-volatile sram module 256Kbit (32k x 8-bit),28pin dip, 5V	non-volatile sram module 256Kbit (32k x 8-bit),28pin dip, 5V	non-volatile sram module 256Kbit (32k x 8-bit),28pin dip, 5V
Maker	HANBIT Electronics	HANBIT Electronics	HANBIT Electronics	HANBIT Electronics	HANBIT Electronics	HANBIT Electronics	-	HANBIT Electronics
Reach Compliance Code	unknown	unknown	unknown	unknown	unknown	unknown	-	unknown

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