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HMN5128JV

Hanbit Electronics
Part Number HMN5128JV
Manufacturer Hanbit Electronics
Description Non-Volatile SRAM MODULE 4Mbit
Published Jan 2, 2007
Detailed Description www.DataSheet4U.com HANBit HMN5128JV Non-Volatile SRAM MODULE 4Mbit (512K x 8-Bit),34Pin-JLCC, 3.3V Part No. HMN5128JV...
Datasheet PDF File HMN5128JV PDF File

HMN5128JV
HMN5128JV

Overview
www.
DataSheet4U.
com HANBit HMN5128JV Non-Volatile SRAM MODULE 4Mbit (512K x 8-Bit),34Pin-JLCC, 3.
3V Part No.
HMN5128JV GENERAL DESCRIPTION The HMN5128JV Nonvolatile SRAM is a 4,194,304-bit static RAM organized as 524,288 bytes by 8 bits.
The HMN5128JV 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 3.
3V 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.
At this time the integral energy source is switched on to sustain the memory until after VCC returns valid.
The HMN5128JV uses extremely low standby current CMOS SRAM’s, coupled with small lithium coin cells to provide nonvolatility without long write-cycle times and the write-cycle limitations associated with EEPROM.
FEATURES w Access time : 70, 85 ns w High-density design : 4Mbit Design w Battery internally isolated until power is applied w Industry-standard 34-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 /BL A(15) A(16) /RST VCC /WE /OE /CE D(7) D(6) D(5) D(4) D(3) D(2) D(1) D(0) VSS 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 PIN ASSIGNMENT 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 A(18) A(17) A(14) A(13) A(12) A(11) A(10) A(9) A(8) A(7) A(6) A(5) A(4) A(3) A(2) A(1) A(0) JLCC TOP VIEW OPTIONS w Timing 70 ns 85 ns -70 -85 MARKING 34-pin Encapsulated Package URL:www.
hbe.
co.
kr Rev.
0.
0 (FEBRUARY/ 200...


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