STK14CA8 Datasheet, PDF (1/16 Pages) List of Unclassifed Manufacturers – 128K x 8 AutoStoreTM nvSRAM QuantumTrapTM CMOS Nonvolatile Static RAM

STK14CA8
128Kx8 AutoStore™ nvSRAM
Features
■ 25, 35, 45 ns Read Access and Read/Write Cycle Time
■ Unlimited Read/Write Endurance
■ Automatic Nonvolatile STORE on Power Loss
■ Nonvolatile STORE Under Hardware or Software Control
■ Automatic RECALL to SRAM on Power Up
■ Unlimited RECALL Cycles
■ 200K STORE Cycles
■ 20-Year Nonvolatile Data Retention
■ Single 3.0V + 20%, -10% Operation
■ Commercial and Industrial Temperatures
■ Small Footprint SOIC and SSOP Packages (RoHS Compliant)
Description
The Cypress STK14CA8 is a 1 Mb fast static RAM with a nonvol-
atile QuantumTrap™ storage element included with each
memory cell. This SRAM provides fast access and cycle times,
ease of use, and unlimited read and write endurance of a normal
SRAM.
Data transfers automatically to the nonvolatile 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 Cypress nvSRAM is the first monolithic nonvolatile memory
to offer unlimited writes and reads. It is the highest performing
and most reliable nonvolatile memory available.
Logic Block Diagram
A₅
A₆
A₇
A₈
A₉
A₁₂
A₁₃
A₁₄
A₁₅
A₁₆
DQ₀
DQ₁
DQ₂
DQ₃
DQ₄
DQ₅
DQ₆
DQ₇
Quantum Trap
1024 X 1024
STORE
V_CC
V_CAP
POWER
CONTROL
STATIC RAM
STORE/
ARRAY
RECALL
RECALL
1024 X 1024
CONTROL
HSB
COLUMN I/O
COLUMN DEC
SOFTWARE
DETECT
A₁₅ – A₀
A₀ A₁ A₂ A₃ A₄ A₁₀ A₁₁
G
E
W
Cypress Semiconductor Corporation • 198 Champion Court
Document Number: 001-51592 Rev. **
• San Jose, CA 95134-1709 • 408-943-2600
Revised March 04, 2009
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