Cypress manual Part Numbering nomenclature STK12C68 S F 45 I TR, Ordering Information

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STK12C68

Part Numbering nomenclature

STK12C68 - S F 45 I TR

Packaging Option:

TR = Tape and Reel

Blank = Tube

Temperature Range:

C - Commercial (0 to 70°C)

I - Industrial (-40 to 85°C)

Lead Finish

F = 100% Sn (Matte Tin)

Package:

S = Plastic 28-pin 330 mil SOIC

P = Plastic 28-pin 300 mil DIP

W = Plastic 28-pin 600 mil DIP

C = Ceramic 28-pin 300 mil DIP

L = Ceramic 28-pin LLC

Speed:

25 - 25 ns

35 - 35 ns

45 - 45 ns

Ordering Information

Speed (ns)	Ordering Code	Package Diagram	Package Type	Operating Range
25	STK12C68-SF25TR	001-85058	28-pin SOIC (330 mil)	Commercial

	STK12C68-SF25	001-85058	28-pin SOIC (330 mil)

	STK12C68-PF25	001-85014	28-pin PDIP (300 mil)

	STK12C68-WF25	001-85017	28-pin PDIP (600 mil)

	STK12C68-SF25ITR	001-85058	28-pin SOIC (330 mil)	Industrial

	STK12C68-SF25I	001-85058	28-pin SOIC (330 mil)

	STK12C68-PF25I	001-85014	28-pin PDIP (300 mil)

	STK12C68-WF25I	001-85017	28-pin PDIP (600 mil)

35	STK12C68-C35	001-51695	28-pin CDIP (300 mil)	Commercial

	STK12C68-L35	001-51696	28-pin LCC (350 mil)

	STK12C68-C35I	001-51695	28-pin CDIP (300 mil)	Industrial

	STK12C68-L35I	001-51696	28-pin LCC (350 mil)

Document Number: 001-51027 Rev. **

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Contents Features Functional DescriptionPin Configurations Pin DefinitionsSram Write Device OperationSram Read AutoStore OperationHardware Store HSB Operation AutoStore Inhibit ModeHardware Recall Power Up Software StoreNoise Considerations Low Average Active PowerData Protection Hardware ProtectBest Practices Hardware Mode SelectionA12-A0 Mode Power Maximum Ratings DC Electrical CharacteristicsRange Ambient Temperature Operating RangeThermal Resistance Data Retention and EnduranceCapacitance AC Test ConditionsParameter AC Switching CharacteristicsSwitching Waveforms Sram Write Cycle Parameter Alt Description STK12C68 Unit Min Max AutoStore or Power Up RecallSwitching Waveform HSBSoftware Controlled STORE/RECALL Cycle Parameter Alt Description 25 ns 35 ns 45 ns Unit MinHardware Store Cycle Hardware Store CycleSTK12C68-SF25TR Part Numbering nomenclature STK12C68 S F 45 I TROrdering Information STK12C68-SF25ITRSTK12C68-SF45TR Speed ns Ordering CodePackage Type Operating Range STK12C68-SF45ITRPin 330 Mil Soic Pin 300 Mil PdipPin 600 Mil Pdip Pin 300 Mil Side Braze DIL Pad 350 Mil LCC Document History Sales, Solutions, and Legal InformationNew data sheet USB