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HMN5128D - Non-Volatile SRAM MODULE 4Mbit

Description

The HMN5128D Nonvolatile SRAM is a 4,194,304-bit static RAM organized as 524,288 bytes by 8 bits.

Features

  • w Access time : 70, 85,120, 150 ns w High-density design : 4Mbit Design w Battery internally isolated until power is applied w Industry-standard 32-pin 512K x 8 pinout w Unlimited write cycles w Data retention in the absence of VCC w 10-years minimum data retention in absence of power w Automatic write-protection during power-up/power-down cycles w Data is automatically protected during power loss w Conventional SRAM operation; unlimited write cycles A18 PIN.

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Datasheet Details

Part number HMN5128D
Manufacturer Hanbit Electronics
File Size 200.26 KB
Description Non-Volatile SRAM MODULE 4Mbit
Datasheet download datasheet HMN5128D Datasheet
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Full PDF Text Transcription

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www.DataSheet4U.com HANBit HMN5128D Non-Volatile SRAM MODULE 4Mbit (512K x 8-Bit),32Pin-DIP, 5V Part No. HMN5128D GENERAL DESCRIPTION The HMN5128D Nonvolatile SRAM is a 4,194,304-bit static RAM organized as 524,288 bytes by 8 bits. The HMN5128D 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-oftolerance condition. When such a condition occurs, the lithium energy source is automatically switched on to sustain the memory until after Vcc 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.
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