Datasheet > HMN2M8D-70

HMN2M8D-70

更新时间： 2024-09-24 03:42:19

品牌	Logo	应用领域
HANBIT		静态存储器
页数	文件大小	规格书
9页	174K
描述
Non-Volatile SRAM MODULE 16Mbit (2,048K x 8-Bit), 36Pin-DIP, 5V

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HMN2M8D-70 数据手册

HANBit

HMN2M8D

Non-Volatile SRAM MODULE 16Mbit (2,048K x 8-Bit), 36Pin-DIP, 5V

Part No. HMN2M8D

GENERAL DESCRIPTION

The HMN2M8D Nonvolatile SRAM is a 16,777,216-bit static RAM organized as 2,097,152 bytes by 8 bits.

The HMN2M8D 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 HMN2M8D 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

PIN ASSIGNMENT

w Access time : 70, 85, 120, 150ns

w High-density design : 16Mbit Design

V^CC

A¹⁹

A²⁰

A¹⁸

A¹⁶

A¹⁴

A₁₂

w Battery internally isolated until power is applied

w Industry-standard 36-pin 2,048K x 8 pinout

w Unlimited write cycles

A¹⁵

A¹⁷

/WE

A¹³

A⁸

A⁹

A¹¹

/OE

A₁₀

/CE

DQ₇

DQ₆

DQ⁵

DQ⁴

DQ₃

w Data retention in the absence of V_CC

w 5-years minimum data retention in absence of power

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

cycles

A⁷

A₆

A⁵

A⁴

A³

A₂

w Data is automatically protected during power loss

w Industrial temperature operation

w Timing

A¹

A₀

DQ₀

DQ¹

DQ²

V_SS

70 ns

85 ns

- 70

- 85

-100

-150

120 ns

150 ns

36-pin Encapsulated Package

URL : www.hbe.co.kr

Rev. 1.0 (May, 2002)

HANBit Electronics Co.,Ltd

12 3 4 5 6 7...9

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