STK11C88-SF25ITR Cypress Semiconductor Corp, STK11C88-SF25ITR Datasheet - Page 2

• Manufacturer Part Number: STK11C88-SF25ITR
• Description: STK11C88-SF25ITR
• Manufacturer: Cypress Semiconductor Corp
• Type: NVSRAMr

Specifications of STK11C88-SF25ITR

• 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: -40°C ~ 85°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: Industrial
• Operating Supply Voltage (max): 5.5V
• Operating Supply Voltage (min): 4.5V
• Operating Temp Range: -40C to 85C
• Pin Count: 28
• Mounting: Surface Mount
• Supply Current: 100mA
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• 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
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