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STK14CA8-RF45I

Description
128Kx8 AutoStore nvSRAM
File Size361KB,16 Pages
ManufacturerCypress Semiconductor
Download Datasheet View All

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STK14CA8-RF45I Overview

128Kx8 AutoStore nvSRAM

STK14CA8
128Kx8 AutoStore™ nvSRAM
Features
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.
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)
Logic Block Diagram
V
CC
A
5
A
6
A
7
A
8
A
9
A
12
A
13
A
14
A
15
A
16
DQ
0
DQ
1
DQ
2
DQ
3
DQ
4
DQ
5
DQ
6
DQ
7
Quantum Trap
1024 X 1024
ROW DECODER
STORE
STATIC RAM
ARRAY
1024 X 1024
RECALL
STORE/
RECALL
CONTROL
V
CAP
POWER
CONTROL
HSB
SOFTWARE
DETECT
INPUT BUFFERS
COLUMN I/O
COLUMN DEC
A
15
– A
0
A
0
A
1
A
2
A
3
A
4
A
10
A
11
G
E
W
Cypress Semiconductor Corporation
Document Number: 001-51592 Rev. **
198 Champion Court
San Jose
,
CA 95134-1709
408-943-2600
Revised March 04, 2009
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