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Manual Cypress Semiconductor STK15C88

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  • Cypress Semiconductor STK15C88 - page 1

    STK15C88 256 Kbit (32K x 8) PowerS tore nvSRAM Cypress Semiconducto r Corporation • 198 Champion Court • San Jose , CA 95134-1709 • 408-943-2600 Document Number: 001-50593 Rev . ** Revised January 29, 2009 Features ■ 25 ns and 45 ns access times ■ Pin compatible with industry standard SRAMs ■ Automatic no nvolatile STORE on power loss ? ...

  • Cypress Semiconductor STK15C88 - page 2

    STK15C88 Document Number: 001-50593 Rev . ** Page 2 of 15 Pin Configurations Figure 1. Pin Diagram - 28-Pin SOIC T able 1. Pin Defini tions - 28-Pin SOIC Pin Name Alt IO T ype Description A 0 –A 14 Input Address In pu ts. Used to select one of the 32,768 bytes of the nvSRAM. DQ 0 -DQ 7 Input or Output Bidirectional Data IO lines . Used as input o ...

  • Cypress Semiconductor STK15C88 - page 3

    STK15C88 Document Number: 001-50593 Rev . ** Page 3 of 15 Device Operation The STK15C88 is a versatil e memo ry chip that provides several modes of operation. The STK15C 88 can operate as a standard 32K x 8 SRAM. It has a 32K x 8 nonvolatile element shad ow to which the SRAM info rmation can be copied , or from which the SRAM can be updated in nonv ...

  • Cypress Semiconductor STK15C88 - page 4

    STK15C88 Document Number: 001-50593 Rev . ** Page 4 of 15 Hardware Protect The STK15C88 offers hardware protectio n against inadve rtent STORE operation and SRAM WRITEs during low voltage conditions. When V CAP <V SWITCH , all externally i nitiated STORE operations and SRAM WRITEs are inhibited. Noise Considerations The STK15C88 is a high speed ...

  • Cypress Semiconductor STK15C88 - page 5

    STK15C88 Document Number: 001-50593 Rev . ** Page 5 of 15 T able 2. Software STOR E/RECALL Mode Selecti on CE WE A 13 – A 0 Mode IO Notes L H 0x0E38 0x31C7 0x03E0 0x3C1F 0x303F 0x0FC0 Read SRAM Read SRAM Read SRAM Read SRAM Read SRAM Nonvolatile STORE Output Data Output Data Output Data Output Data Output Data Output Data [1, 2] L H 0x0E38 0x31C7 ...

  • Cypress Semiconductor STK15C88 - page 6

    STK15C88 Document Number: 001-50593 Rev . ** Page 6 of 15 Maximum Ratin gs Exceeding maximum ratings may shorten the useful life of the device. These user g uidelines are not tested. S torage T emperature ............. ... ... ... ........... –65 ° C to +150 ° C T emperature under bias ................ .............. –55 ° C to +125 ° C Sup ...

  • Cypress Semiconductor STK15C88 - page 7

    STK15C88 Document Number: 001-50593 Rev . ** Page 7 of 15 Dat a Retention and Endurance Parameter Description Min Unit DA T A R Data Retention 100 Y ears NV C Nonvolatile STORE Operations 1,000 K Cap acit ance In the following table, the capacitance parameters are listed. [4] Parameter Description T est Condi tions Max Unit C IN Input Capacit ance ...

  • Cypress Semiconductor STK15C88 - page 8

    STK15C88 Document Number: 001-50593 Rev . ** Page 8 of 15 AC Switching Characteristics SRAM Read Cycle Parameter Description 25 ns 45 ns Unit Min Max Min Max Cypress Parameter Alt t ACE t ELQV Chip Enable Access Time 25 45 ns t RC [5] t AVAV, t ELEH Read Cycle T ime 25 45 ns t AA [6] t AV Q V Address Access T ime 25 45 ns t DOE t GLQV Output Enab l ...

  • Cypress Semiconductor STK15C88 - page 9

    STK15C88 Document Number: 001-50593 Rev . ** Page 9 of 15 T able 3. SRAM Write Cycle Parameter Description 25 n s 45 ns Unit Min Max Min Max Cypress Parameter Alt t WC t AVAV Write Cycle T ime 25 45 ns t PWE t WL WH, t WLEH Write Pulse Width 20 30 ns t SCE t EL WH, t ELEH Chip Enable T o End of Write 20 30 ns t SD t DVWH, t DVEH Data Setup to End o ...

  • Cypress Semiconductor STK15C88 - page 10

    STK15C88 Document Number: 001-50593 Rev . ** Page 10 of 15 AutoS tore or Power Up RECALL Parameter Alt Description STK15C88 Unit Min Max t HRECALL [10] t RESTORE Power up RECALL Duration 550 μ s t STORE [6] t HLHZ STORE Cycle Duration 10 ms V RESET Low V oltage Reset Leve l 3.6 V V SWITCH Low V oltage T rigger Level 4.0 4.5 V Switching W aveforms ...

  • Cypress Semiconductor STK15C88 - page 11

    STK15C88 Document Number: 001-50593 Rev . ** Page 1 1 of 15 Sof tware Controlled STORE/RECALL Cycle The software controlled ST ORE/RECALL cycle follows. [1 1, 12] Parameter Alt Description 25 ns 45 ns Unit Min Max Min Max t RC t AVAV STORE/RECALL Initiation Cycle T ime 25 45 ns t SA [1 1] t A VEL Address Setup T ime 0 0 ns t CW [1 1] t ELEH Clock P ...

  • Cypress Semiconductor STK15C88 - page 12

    STK15C88 Document Number: 001-50593 Rev . ** Page 12 of 15 Ordering Information Spe e d (ns) Ordering Code Package Diagra m Package T ype Operating Range 25 STK15C88-NF25TR 51-8502 6 28-Pin SOIC (300 mil) Commercial STK15C88-NF25 51-85026 28-Pin SO IC (300 mil) STK15C88-SF25TR 51-85058 28-Pin SOIC (330 mil) STK15C88-SF25 51-85058 28-Pin SOIC (330 m ...

  • Cypress Semiconductor STK15C88 - page 13

    STK15C88 Document Number: 001-50593 Rev . ** Page 13 of 15 Package Diagrams Figure 1 1. 28-Pin (300 mil) SOIC (51-8502 6) 51 85127 *A PIN 1 ID 0.291[7.39] 0.300[7.62] 0.394[10.01] 0.419[10.64] 0.050[1.27] TYP. 0.092[2.33] 0.105[2.67] 0.004[0.10] 0.0118[0.30] SEATING PLANE 0.0091[0.23] 0.0125[3.17] 0.015[0.38] 0.050[1.27] 0.013[0.33] 0.019[0.48] 0.0 ...

  • Cypress Semiconductor STK15C88 - page 14

    STK15C88 Document Number: 001-50593 Rev . ** Page 14 of 15 Figure 12. 28-Pin (330 mil) SOIC (51-85 058 ) Package Diagrams (continued) 51-85058-*A [+] Feedback ...

  • Cypress Semiconductor STK15C88 - page 15

    Document Number: 001-50593 Rev . ** Revised January 29, 20 09 Page 15 of 15 AutoS tore and Qua ntumTr ap are registered tr ademarks of Cypress Se miconductor Corpor ation. All produ cts and comp any names mentio ned in this docum ent may be the trade marks of t heir respe ctive holders. STK15C88 © Cypress Semicondu ctor Corpor ation, 2008-200 9. T ...

Manufacturer Cypress Semiconductor Category Computer Hardware

Documents that we receive from a manufacturer of a Cypress Semiconductor STK15C88 can be divided into several groups. They are, among others:
- Cypress Semiconductor technical drawings
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All of them are important, but the most important information from the point of view of use of the device are in the user manual Cypress Semiconductor STK15C88.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals Cypress Semiconductor STK15C88, service manual, brief instructions and user manuals Cypress Semiconductor STK15C88. Depending on your needs, you should look for the document you need. In our website you can view the most popular manual of the product Cypress Semiconductor STK15C88.

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A complete manual for the device Cypress Semiconductor STK15C88, how should it look like?
A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use Cypress Semiconductor STK15C88 by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Cypress Semiconductor STK15C88.

A complete Cypress Semiconductor manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

1. Preface and tips on how to use the manual Cypress Semiconductor STK15C88 - At the beginning of each manual we should find clues about how to use the guidelines. It should include information about the location of the Contents of the Cypress Semiconductor STK15C88, FAQ or common problems, i.e. places that are most often searched by users in each manual
2. Contents - index of all tips concerning the Cypress Semiconductor STK15C88, that we can find in the current document
3. Tips how to use the basic functions of the device Cypress Semiconductor STK15C88 - which should help us in our first steps of using Cypress Semiconductor STK15C88
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5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of Cypress Semiconductor STK15C88 in a specific country, if it was not possible to solve the problem on our own.

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