STK11C88_08 Datasheet, PDF (1/16 Pages) Simtek Corporation – 32Kx8 SoftStore nvSRAM

FEATURES
• 25, 45 ns Read Access & R/W Cycle Time
• Unlimited Read/Write Endurance
• Pin Compatible with Industry Standard SRAMs
• Software-initiated STORE and RECALL
• Automatic RECALL to SRAM on Power Up
• Unlimited RECALL Cycles
• 1 Million Store Cycles
• 100-Year Non-volatile Data Retention
• Single 5.0V +10% Power Supply
• Commercial and Industrial Temperatures
• 28-pin 300-mil and 330-mil SOIC Packages
(RoHS-Compliant)
STK11C88
32Kx8 SoftStore nvSRAM
DESCRIPTION
The Simtek STK11C88 is a 256Kb fast static RAM
with a non-volatile 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 under software control to the non-vol-
atile storage cell (the STORE operation). On power
up, data is automatically restored to the SRAM (the
RECALL operation). 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.
BLOCK DIAGRAM
A₅
A₆
A₇
A₈
A₉
A₁₁
A₁₂
A₁₃
A₁₄
DQ₀
DQ₁
DQ₂
DQ₃
DQ₄
DQ₅
DQ₆
DQ₇
QUANTUM TRAP
512 x 512
STATIC RAM
ARRAY
512 X 512
STORE
RECALL
COLUMN I/O
COLUMN DEC
A₀ A₁ A₂ A₃ A₄ A₁₀
This product conforms to specifications per the
terms of Simtek standard warranty. The product
1
has completed Simtek internal qualification testing
and has reached production status.
STORE/
RECALL
CONTROL
SOFTWARE
DETECT
A₁₃ – A₀
G
E
W
Document Control #ML0012 Rev 2.0
Jan. 2008