STK14C88_11 Datasheet, PDF (1/20 Pages) Cypress Semiconductor – 32 K x 8 AutoStore nvSRAM Commercial, industrial, military temperatures

STK14C88
32 K x 8 AutoStore nvSRAM
Features
Description
■ 25, 35, 45 ns read access and R/W cycle time
■ Unlimited read/write endurance
The Cypress STK14C88 is a 256 Kb fast static RAM with a
nonvolatile Quantum Trap storage element included with each
memory cell.
■ Automatic nonvolatile STORE on power loss
The SRAM provides the fast access and cycle times, ease of
■ Nonvolatile STORE under hardware or software control
s _{■ Automatic RECALL to SRAM on power up}
n _{■ Unlimited RECALL cycles}
ig _{■ 1-Million STORE cycles}
es ^{■ 100-year nonvolatile data retention}
D ^{■ Single 5 V+10% power supply}
■ Commercial, industrial, military temperatures
w _{■ 32-Pin 300 mil SOIC (RoHS-compliant)}
e _{■ 32-Pin CDIP and LCC packages}
use, and unlimited read and write endurance of a normal SRAM.
Data automatically transfers 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 performance,
most reliable nonvolatile memory available.
r ^N _{Logic Block Diagram}
ded ^fo _A5
n ^A6
A₇
e _A8
A₉
m _A11
A₁₂
m _A13
o A₁₄
ec DQ₀
DQ₁
R _DQ2
t _DQ3
o^DQ4
DQ₅
NDQ₆
Quantum Trap
512 x 512
STATIC RAM
ARRAY
512 x 512
STORE
RECALL
V_CCX V_CAP
POWER
CONTROL
STORE/
RECALL
CONTROL
HSB
COLUMN I/O
COLUMN DEC
A₀ A₁ A₂ A₃ A₄ A₁₀
SOFTWARE
DETECT
A₀ - A₁₃
G
DQ₇
E
W
Cypress Semiconductor Corporation • 198 Champion Court
Document Number: 001-52038 Rev. *C
• San Jose, CA 95134-1709 • 408-943-2600
Revised March 30, 2011
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