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STK14D88-NF45ITR

Description
Non-Volatile SRAM, 32KX8, 45ns, CMOS, PDSO32, 0.300 INCH, 0.50 INCH PITCH, ROHS COMPLIANT, PLASTIC, SOIC-32
Categorystorage    storage   
File Size299KB,19 Pages
ManufacturerSimtek
Websitehttp://www.simtek.com
Environmental Compliance
Download Datasheet Parametric View All

STK14D88-NF45ITR Overview

Non-Volatile SRAM, 32KX8, 45ns, CMOS, PDSO32, 0.300 INCH, 0.50 INCH PITCH, ROHS COMPLIANT, PLASTIC, SOIC-32

STK14D88-NF45ITR Parametric

Parameter NameAttribute value
Is it Rohs certified?conform to
MakerSimtek
package instruction0.300 INCH, 0.50 INCH PITCH, ROHS COMPLIANT, PLASTIC, SOIC-32
Reach Compliance Codeunknown
ECCN codeEAR99
Is SamacsysN
Maximum access time45 ns
JESD-30 codeR-PDSO-G32
JESD-609 codee3
length20.725 mm
memory density262144 bit
Memory IC TypeNON-VOLATILE SRAM
memory width8
Humidity sensitivity level3
Number of functions1
Number of terminals32
word count32768 words
character code32000
Operating modeASYNCHRONOUS
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
organize32KX8
Package body materialPLASTIC/EPOXY
encapsulated codeSOP
Package shapeRECTANGULAR
Package formSMALL OUTLINE
Parallel/SerialPARALLEL
Peak Reflow Temperature (Celsius)260
Certification statusNot Qualified
Maximum seat height2.54 mm
Maximum supply voltage (Vsup)3.6 V
Minimum supply voltage (Vsup)2.7 V
Nominal supply voltage (Vsup)3 V
surface mountYES
technologyCMOS
Temperature levelINDUSTRIAL
Terminal surfaceMatte Tin (Sn)
Terminal formGULL WING
Terminal pitch1.27 mm
Terminal locationDUAL
Maximum time at peak reflow temperature40
width7.51 mm
Base Number Matches1
32Kx8 Autostore nvSRAM
FEATURES
• 25, 35, 45 ns Read Access & R/W Cycle Time
• Unlimited Read/Write Endurance
• Automatic Non-volatile STORE on Power Loss
• Non-Volatile STORE Under Hardware or Software
Control
• Automatic RECALL to SRAM on Power Up
• Unlimited RECALL Cycles
• 200K STORE Cycles
• 20-Year Non-volatile Data Retention
• Single 3V +20%, -10% Power Supply
• Commercial, Industrial Temperatures
• Small Footprint SOIC & SSOP Packages (RoHS-
Compliant
STK14D88
DESCRIPTION
The Simtek STK14D88 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 automatically to the non-volatile stor-
age 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 Simtek nvSRAM is the first monolithic non-vola-
tile memory to offer unlimited writes and reads. It is
the highest performance, most reliable non-volatile
memory available.
BLOCK DIAGRAM
Quatum Trap
512 X 512
ROW DECODER
STORE
STATIC RAM
ARRAY
512 X 512
RECALL
V
CC
V
CAP
A
5
A
6
A
7
A
8
A
9
A
11
A
12
A
13
A
14
POWER
CONTROL
STORE/
RECALL
CONTROL
HSB
SOFTWARE
DETECT
INPUT BUFFERS
COLUMN I/O
COLUMN DEC
A
13
– A
0
DQ
0
DQ
1
DQ
2
DQ
3
DQ
4
DQ
5
DQ
6
DQ
7
A
0
A
1
A
2
A
3
A
4
A
10
G
E
W
This product conforms to specifications per the
terms of Simtek standard warranty. The product
has completed Simtek internal qualification testing
and has reached production status.
1
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