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STK22C48

Simtek
Part Number STK22C48
Manufacturer Simtek
Description 2Kx8 AutoStore nvSRAM
Published Sep 19, 2007
Detailed Description www.DataSheet4U.com STK22C48 2Kx8 AutoStore nvSRAM DESCRIPTION The Simtek STK22C48 is a 16Kb fast static RAM with a non...
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STK22C48
STK22C48

Overview
www.
DataSheet4U.
com STK22C48 2Kx8 AutoStore nvSRAM DESCRIPTION The Simtek STK22C48 is a 16Kb fast static RAM with a nonvolatile Quantum Trap storage element included with each memory cell.
The SRAM provides the fast access & cycle times, ease of use, and unlimited read & write endurance of a normal SRAM.
Data transfers automatically to the non-volatile storage cells when power loss is detected (the STORE operation).
On power-up, data is automatically restored to the SRAM (the RECALL operation).
Both STORE and RECALL operations are also available under software control.
The Simtek nvSRAM is the first monolithic non-volatile memory to offer unlimited writes and reads.
It is the highest-performance, most reliable non-volatile memory available.
FEATURES • 25, 45 ns Read Access & R/W Cycle Times • Unlimited Read/Write Endurance • Automatic Non-Volatile STORE on Power Loss • Non-Volatile STORE Under Hardware Control • Automatic RECALL to SRAM on Power Up • Unlimited RECALL Cycles • 1 Million STORE Cycles • 100-Year Non-volatile Data Retention • Single 5V + 10% Operation • Commercial, Industrial, and Military Temperatures • 28-Pin 300 mil SOIC or 330 mil SOIC (RoHSCompliant) BLOCK DIAGRAM VCCX VCAP Quantum Trap 32 x 512 POWER CONTROL A5 A6 A7 A8 A9 ROW DECODER STORE STATIC RAM ARRAY 32 x 512 RECALL STORE/ RECALL CONTROL HSB DQ0 DQ1 DQ2 DQ3 DQ4 DQ5 DQ6 DQ7 INPUT BUFFERS COLUMN I/O COLUMN DEC A0 A1 A2 A3 A4 A10 G E W This product conforms to specifications per the terms of Simtek standard warranty.
The product has completed Simtek internal qualification testing and has reached production status.
1 Document Control #ML0004 Rev 0.
3 February 2007 STK22C48 PIN CONFIGURATIONS VCAP NC A7 A6 A5 A4 A3 A2 A1 A0 DQ0 DQ1 DQ2 VSS 1 2 3 4 5 6 7 8 9 10 11 12 13 14 28 27 26 25 24 23 22 21 20 19 18 17 16 15 VCCX W HSB A8 A9 NC G A10 E DQ7 DQ6 DQ5 DQ4 DQ3 28-pin 300 mil SOIC 28-pin 330 mil SOIC PIN NAMES Pin Name A10-A0 DQ7-DQ0 E W G VCC VSS Input I/O Input Input Input ...


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