STK11C88-SF25TR Cypress Semiconductor Corp, STK11C88-SF25TR Datasheet - Page 2
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STK11C88-SF25TR
Manufacturer Part Number
STK11C88-SF25TR
Description
IC NVSRAM 256KBIT 25NS 28SOIC
Manufacturer
Cypress Semiconductor Corp
Type
NVSRAMr
Datasheet
1.STK11C88-NF45TR.pdf
(16 pages)
Specifications of STK11C88-SF25TR
Format - Memory
RAM
Memory Type
NVSRAM (Non-Volatile SRAM)
Memory Size
256K (32K x 8)
Speed
25ns
Interface
Parallel
Voltage - Supply
4.5 V ~ 5.5 V
Operating Temperature
0°C ~ 70°C
Package / Case
28-SOIC (8.69mm width)
Word Size
8b
Organization
32Kx8
Density
256Kb
Interface Type
Parallel
Access Time (max)
25ns
Operating Supply Voltage (typ)
5V
Package Type
SOIC
Operating Temperature Classification
Commercial
Operating Supply Voltage (max)
5.5V
Operating Supply Voltage (min)
4.5V
Operating Temp Range
0C to 70C
Pin Count
28
Mounting
Surface Mount
Supply Current
97mA
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Contents
Features ............................................................................... 1
Functional Description ....................................................... 1
Logic Block Diagram .......................................................... 1
Contents .............................................................................. 2
Pin Configurations ............................................................. 3
Device Operation ................................................................ 4
SRAM Read ......................................................................... 4
SRAM Write ......................................................................... 4
Software STORE ................................................................. 4
Software RECALL ............................................................... 4
Hardware RECALL (Power Up) .......................................... 4
Hardware Protect ................................................................ 5
Noise Considerations ......................................................... 5
Low Average Active Power ................................................ 5
Best Practices ..................................................................... 5
Maximum Ratings ............................................................... 7
Operating Range ................................................................. 7
DC Electrical Characteristics ............................................ 7
Data Retention and Endurance ......................................... 7
Document Number: 001-50591 Rev. *A
Capacitance ........................................................................ 8
Thermal Resistance ............................................................ 8
AC Test Conditions ............................................................ 8
AC Switching Characteristics ........................................... 9
Switching Waveforms ........................................................ 9
Switching Waveforms ...................................................... 10
STORE INHIBIT or Power Up RECALL ........................... 11
Switching Waveforms ...................................................... 11
Software Controlled STORE/RECALL Cycle .................. 12
Switching Waveforms ...................................................... 12
Part Numbering Nomenclature ........................................ 13
Ordering Information ........................................................ 13
Package Diagrams ............................................................ 14
Document History Page ................................................... 16
Sales, Solutions and Legal Information ......................... 16
SRAM Read Cycle ........................................................ 9
SRAM Write Cycle....................................................... 10
Worldwide Sales and Design Support......................... 16
Products ...................................................................... 16
STK11C88
Page 2 of 16
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