STK14C88-3NF45I Cypress Semiconductor Corp, STK14C88-3NF45I Datasheet - Page 2
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STK14C88-3NF45I
Manufacturer Part Number
STK14C88-3NF45I
Description
IC NVSRAM 256KBIT 45NS 32SOIC
Manufacturer
Cypress Semiconductor Corp
Type
NVSRAMr
Datasheet
1.STK14C88-3WF35.pdf
(17 pages)
Specifications of STK14C88-3NF45I
Format - Memory
RAM
Memory Type
NVSRAM (Non-Volatile SRAM)
Memory Size
256K (32K x 8)
Speed
45ns
Interface
Parallel
Voltage - Supply
4.5 V ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Package / Case
32-SOIC (7.5mm Width)
Word Size
8b
Organization
32Kx8
Density
256Kb
Interface Type
Parallel
Access Time (max)
45ns
Operating Supply Voltage (typ)
3.3V
Package Type
SOIC
Operating Temperature Classification
Industrial
Operating Supply Voltage (max)
3.6V
Operating Supply Voltage (min)
3V
Operating Temp Range
-40C to 85C
Pin Count
32
Mounting
Surface Mount
Supply Current
44mA
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
STK14C88-3NF45I
Manufacturer:
TOSHIBA
Quantity:
4
Part Number:
STK14C88-3NF45I
Manufacturer:
SIMTEK
Quantity:
20 000
Company:
Part Number:
STK14C88-3NF45ITR
Manufacturer:
SIMTEK
Quantity:
5 216
Contents
Features................................................................................ 1
Functional Description........................................................ 1
Logic Block Diagram........................................................... 1
Contents ............................................................................... 2
Pin Configurations .............................................................. 3
Device Operation ................................................................. 4
SRAM Read .......................................................................... 4
SRAM Write .......................................................................... 4
AutoStore Operation ........................................................... 4
AutoStore Inhibit Mode ....................................................... 4
Hardware STORE (HSB) Operation.................................... 5
Hardware RECALL (Power Up)........................................... 5
Software STORE .................................................................. 5
Software RECALL................................................................ 6
Preventing STORE............................................................... 6
Hardware Protect................................................................. 6
Noise Considerations.......................................................... 6
Low Average Active Power................................................. 6
Best Practices...................................................................... 7
Maximum Ratings................................................................ 8
DC Electrical Characteristics ............................................. 8
Document Number: 001-50592 Rev. *A
Data Retention and Endurance .......................................... 9
Capacitance ......................................................................... 9
Thermal Resistance............................................................. 9
AC Test Conditions ............................................................. 9
AC Switching Characteristics ........................................... 10
Switching Waveforms ....................................................... 10
Switching Waveforms ....................................................... 11
AutoStore or Power Up RECALL ..................................... 12
Switching Waveforms ....................................................... 12
Software Controlled STORE/RECALL Cycle................... 13
Switching Waveforms ....................................................... 13
Hardware STORE Cycle .................................................... 14
Switching Waveforms ........................................................ 14
Part Numbering Nomenclature.......................................... 15
Ordering Information......................................................... 15
Package Diagrams............................................................. 16
Document History Page ..................................................... 17
Sales, Solutions and Legal Information .......................... 17
SRAM Read Cycle ....................................................... 10
Worldwide Sales and Design Support.......................... 17
Products ....................................................................... 17
STK14C88-3
Page 2 of 17
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