STK14C88
32 K x 8 AutoStore nvSRAM
Features
Description
■
25 ns, 35 ns, and 45 ns read access and R/W cycle time
The Cypress STK14C88 is a 256 Kb fast static RAM with a
nonvolatile Quantum Trap storage element included with each
memory cell.
■
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
■
1-Million STORE cycles
■
100-year nonvolatile data retention
■
Single 5 V + 10% power supply
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.
■
Commercial, industrial, military temperatures
For a complete list of related documentation, click here.
■
32-Pin 300 mil SOIC (RoHS-compliant)
■
32-Pin CDIP and LCC packages
The SRAM provides the fast access and cycle times, ease of
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.
Logic Block Diagram
VCCX
DQ0
DQ1
DQ2
DQ3
DQ4
DQ5
DQ6
DQ7
POWER
CONTROL
STORE
STATIC RAM
ARRAY
512 x 512
STORE/
RECALL
CONTROL
RECALL
SOFTWARE
DETECT
COLUMN I/O
INPUT BUFFERS
A5
A6
A7
A8
A9
A11
A12
A13
A14
ROW DECODER
Quantum Trap
512 x 512
VCAP
HSB
A0 - A13
COLUMN DEC
A0 A1 A2 A3 A4 A10
G
E
W
Cypress Semiconductor Corporation
Document Number: 001-52038 Rev. *F
•
198 Champion Court
•
San Jose, CA 95134-1709
•
408-943-2600
Revised March 31, 2015
