HMN2568D-150 datasheet, PDF - EEWORLD Datasheet

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HMN2568D-150: DescriptionNon-Volatile SRAM MODULE 2Mbit (256K x 8-Bit), 32Pin-DIP, 5V; Categorystorage storage; File Size183KB，9 Pages; ManufacturerHANBIT Electronics; Websitehttp://www.hbe.co.kr/

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HMN2568D-150 Overview

Non-Volatile SRAM MODULE 2Mbit (256K x 8-Bit), 32Pin-DIP, 5V

HMN2568D-150 Parametric

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

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HANBit

HMN2568D

Non-Volatile SRAM MODULE 2Mbit (256K x 8-Bit), 32Pin-DIP, 5V

Part No

. HMN2568D

GENERAL DESCRIPTION

The HMN2568D Nonvolatile SRAM is a 2,097,152-bit static RAM organized as 262,144 bytes by 8 bits.

The HMN2568D 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 HMN2568D 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 : 2Mbit Design

Battery internally isolated until power is applied

Industry-standard 32-pin 256K 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

Conventional SRAM operation; unlimited write cycles

PIN ASSIGNMENT

/WE

/OE

/CE

OPTIONS

Timing

70 ns

85 ns

120 ns

150 ns

MARKING

- 70

- 85

-120

-150

32-pin Encapsulated Package

URL : www.hbe.co.kr

Rev. 0.0 (April, 2002)

HANBit Electronics Co.,Ltd

HMN2568D-150 Related Products

	HMN2568D-150	HMN2568D-120	HMN2568D-70	HMN2568D-85	HMN2568D	HMN2568D-85I	HMN2568D-70I	HMN2568D-150I	HMN2568D-120I
Description	Non-Volatile SRAM MODULE 2Mbit (256K x 8-Bit), 32Pin-DIP, 5V	Non-Volatile SRAM MODULE 2Mbit (256K x 8-Bit), 32Pin-DIP, 5V	Non-Volatile SRAM MODULE 2Mbit (256K x 8-Bit), 32Pin-DIP, 5V	Non-Volatile SRAM MODULE 2Mbit (256K x 8-Bit), 32Pin-DIP, 5V	Non-Volatile SRAM MODULE 2Mbit (256K x 8-Bit), 32Pin-DIP, 5V	Non-Volatile SRAM MODULE 2Mbit (256K x 8-Bit), 32Pin-DIP, 5V	Non-Volatile SRAM MODULE 2Mbit (256K x 8-Bit), 32Pin-DIP, 5V	Non-Volatile SRAM MODULE 2Mbit (256K x 8-Bit), 32Pin-DIP, 5V	Non-Volatile SRAM MODULE 2Mbit (256K x 8-Bit), 32Pin-DIP, 5V
Maker	HANBIT Electronics	HANBIT Electronics	HANBIT Electronics	HANBIT Electronics	-	HANBIT Electronics	HANBIT Electronics	HANBIT Electronics	HANBIT Electronics
Reach Compliance Code	unknow	unknow	unknow	unknow	-	unknow	unknow	unknow	unknow

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