Part Numbering Nomenclature STK12C68 5 C 35 M

STK12C68-5 (SMD5962-94599)

Part Numbering Nomenclature

Temperature Range:

M - Military (-55 to 125°C)

Speed:

35 - 35 ns

55 - 55 ns

Package:

C = Ceramic 28-pin 300 mil DIP (gold lead finish)

K = Ceramic 28-pin 300 mil DIP (Solder dip finish)

L = Ceramic 28-pin LLC

Retention / Endurance

5 = Military (10 years or 105 cycles)

Lead Finish

A = Solder DIP lead finish

C = Gold lead DIP finish

X = Lead finish “A” or “C” is acceptable

Case Outline

X = Ceramic 28-pin 300 mil DIP

Y = Ceramic 28-pin LLC

Device Class Indicator - Class M

Device Type:

01 = 55 ns

03 = 35 ns

Document Number: 001-51026 Rev. **

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Contents

Functional Description FeaturesLogic Block Diagram Cypress Semiconductor Corporation 198 Champion Court Pinouts Pin Definitions Sram Write Device OperationSram Read AutoStore Operation Hardware Store HSB Operation AutoStore Inhibit ModeHardware Recall Power Up Software Store Noise Considerations Low Average Active PowerData Protection Hardware Protect Best Practices Hardware Mode SelectionA12-A0 Mode Power Maximum Ratings DC Electrical CharacteristicsRange Ambient Temperature Operating Range Thermal Resistance Data Retention and EnduranceCapacitance AC Test Conditions Parameter Description 35 ns 55 ns Unit Cypress Alt Min Max AC Switching CharacteristicsSwitching Waveforms Parameter Sram Write Cycle 1 WE Controlled 11 Sram Write Cycle 2 CE Controlled 11 Parameter Alt Description STK12C68-5 Unit Min Max AutoStore or Power Up RecallSwitching Waveform Software Controlled STORE/RECALL Cycle Parameter Alt Description 35 ns 55 ns Unit Min Max Hardware Store Cycle Hardware Store Cycle Part Numbering Nomenclature STK12C68 5 C 35 M SMD5962 94599 01 MX Ordering Information Pin LCC 350 mil Package Diagrams Pin 300-Mil Side Braze DIL Pad 350-Mil LCC Document History Sales, Solutions, and Legal InformationNew data sheet