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Manual Cypress STK16C88-3

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  • Cypress STK16C88-3 - page 1

    STK16C88-3 256 Kbit (32K x 8) AutoS tore+ nvSRAM Cypress Semiconducto r Corporation • 198 Champion Court • San Jose , CA 95134-1709 • 408-943-2600 Document Number: 001-50594 Rev . ** Revised January 29, 2009 Features ■ Fast 35ns Read access and R/W cycle time ■ Directly replaces battery-ba cked SRAM modules such as Dallas/Maxim DS1230W ? ...

  • Cypress STK16C88-3 - page 2

    STK16C88-3 Document Number: 001-50594 Rev . ** Page 2 of 14 Pin Configurations Figure 1. Pin Diagram - 28-Pin PDIP T able 1. Pin Definitions - 28-Pin PDIP 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 ...

  • Cypress STK16C88-3 - page 3

    STK16C88-3 Document Number: 001-50594 Rev . ** Page 3 of 14 Device Operation The AutoS tore+ ST K16C8 8-3 is a fast 32K x 8 SR AM that does not lose its data on power down. T he data is preserved in inte gral QuantumTrap non-volatile storage elemen ts when power is lost. Automatic STORE on power down and automatic RECALL on power up guarantee data ...

  • Cypress STK16C88-3 - page 4

    STK16C88-3 Document Number: 001-50594 Rev . ** Page 4 of 14 Hardware Protect The STK16C88-3 offers hardware protection against inadvertent STORE operation and SRAM WRITEs during low voltage conditions. When V CAP <V SWITCH , all extern ally initiated STORE operation s and SRAM WRITEs are inh ibited. Noise Considerations The STK16C88-3 is a high ...

  • Cypress STK16C88-3 - page 5

    STK16C88-3 Document Number: 001-50594 Rev . ** Page 5 of 14 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 0x31 ...

  • Cypress STK16C88-3 - page 6

    STK16C88-3 Document Number: 001-50594 Rev . ** Page 6 of 14 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 S ...

  • Cypress STK16C88-3 - page 7

    STK16C88-3 Document Number: 001-50594 Rev . ** Page 7 of 14 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 T A = 25 ° C, f = 1 MHz, V CC = 0 to 3.0 V 5p F C OUT Output Capacitance 7 pF Thermal Resist ance In the following table, the thermal r ...

  • Cypress STK16C88-3 - page 8

    STK16C88-3 Document Number: 001-50594 Rev . ** Page 8 of 14 AC Switching Characteristics SRAM Read Cycle Parameter Description 35 ns Unit Min Max Cypress Parameter Alt t ACE t ELQV Chip Enable Access T ime 35 ns t RC [5] t AVAV, t ELEH Read Cycle Time 35 ns t AA [6] t AV Q V Address Access Time 35 ns t DOE t GLQV Output Enable to Dat a V alid 15 ns ...

  • Cypress STK16C88-3 - page 9

    STK16C88-3 Document Number: 001-50594 Rev . ** Page 9 of 14 T able 3. SRAM Write Cycle Parameter Description 35 n s Unit Min Max Cypress Parameter Alt t WC t AVAV Write Cycle T ime 35 ns t PWE t WL WH, t WLEH Write Pulse Wid th 25 ns t SCE t EL WH, t ELEH Chip Enable T o End of W rite 25 ns t SD t DVWH, t DVEH Data Setup to End of Write 12 ns t HD ...

  • Cypress STK16C88-3 - page 10

    STK16C88-3 Document Number: 001-50594 Rev . ** Page 10 of 14 AutoStorePlus or Power Up RECALL Parameter Alt Description STK16C88-3 Unit Min Max t HRECALL [10] t RESTORE Power up RECALL Duration 550 μ s t STORE t HLHZ STORE Cycle Duration 10 ms t stg [4, 6] Power-down AutoStore Slew T ime to Ground 500 ns V RESET Low V oltage Reset Leve l 2.4 V V S ...

  • Cypress STK16C88-3 - page 11

    STK16C88-3 Document Number: 001-50594 Rev . ** Page 1 1 of 14 Sof tware Controlled STORE/RECALL Cycle The software controlled ST ORE/RECALL cycle follows. [1 1, 12] Parameter Alt Descrip tion 35 ns Unit Min Max t RC t AVAV STORE/RECALL Initiation Cycle T ime 35 ns t SA [1 1] t AV E L Address Setup T ime 0 ns t CW [1 1] t ELEH Clock Pulse Width 25 n ...

  • Cypress STK16C88-3 - page 12

    STK16C88-3 Document Number: 001-50594 Rev . ** Page 12 of 14 Ordering Information Spe e d (ns) Ordering Code Package Diagra m Package T ype O perating Range 35 STK16C88-3WF35 51-85017 28-pin PDIP Commercial STK16C88-3WF35I Indu strial All part s are Pb-free. The above table contains Final inf ormatio n. Please contact your local Cypress sales repre ...

  • Cypress STK16C88-3 - page 13

    STK16C88-3 Document Number: 001-50594 Rev . ** Page 13 of 14 Package Diagrams Figure 1 1. 28-Pin (600 Mil) PDIP (51-85017 ) 51-85017 *B [+] Feedback ...

  • Cypress STK16C88-3 - page 14

    Document Number: 001-50594 Rev . ** Revised January 29, 20 09 Page 14 of 14 AutoStore and QuantumT rap are reg istered trademarks of Cy press Semiconductor Corp oration. All product s and compan y names mentioned in thi s docum ent may be the trademarks of thei r respective holders. STK16C88-3 © Cypress Semicondu ctor Corpor ation, 2008-200 9. The ...

Manufacturer Cypress Category Computer Hardware

Documents that we receive from a manufacturer of a Cypress STK16C88-3 can be divided into several groups. They are, among others:
- Cypress technical drawings
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- Cypress product data sheets
- information booklets
- or energy labels Cypress STK16C88-3
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 STK16C88-3.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals Cypress STK16C88-3, service manual, brief instructions and user manuals Cypress STK16C88-3. 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 STK16C88-3.

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A complete manual for the device Cypress STK16C88-3, 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 STK16C88-3 by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Cypress STK16C88-3.

A complete Cypress 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 STK16C88-3 - 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 STK16C88-3, 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 STK16C88-3, that we can find in the current document
3. Tips how to use the basic functions of the device Cypress STK16C88-3 - which should help us in our first steps of using Cypress STK16C88-3
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with Cypress STK16C88-3
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of Cypress STK16C88-3 in a specific country, if it was not possible to solve the problem on our own.

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