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Manual Cypress 7C185-25

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Summary
  • Cypress 7C185-25 - page 1

    8K x 8 S tatic RAM CY7C185 Cypress Semicondu ctor Corporatio n • 3901 North Fi rst S treet • San Jo se • CA 95134 • 408-943-26 00 Document #: 38-0504 3 Rev . *A Revi sed Septembe r 13, 2002 185 Features • High sp eed —1 5 n s •F a s t t DOE • Low active pow er — 715 mW • Low st an dby power — 220 mW • CMOS for optimum sp eed ...

  • Cypress 7C185-25 - page 2

    CY7C185 Docum ent #: 38 -05043 Rev . *A Page 2 of 1 1 Maximum Ratings (Abo ve wh ich th e use ful l ife may be i mpair ed. F or use r gui de- lines, not tes ted .) S torage T emp erature ............ ........... .......... – 65 ° C to +150 ° C Ambient T emperat ure with Power Appli ed ............. ................. ........... .... – 55 ° C ...

  • Cypress 7C185-25 - page 3

    CY7C185 Docum ent #: 38 -05043 Rev . *A Page 3 of 1 1 Electrica l Characteristics O ver the O perating Ra nge (conti nued) 7C185-25 7C18 5-35 Parameter De sc ript ion T est Conditions Min. Max. Min. Ma x. Uni t V OH Output HIGH V oltage V CC = Min., I OH = – 4.0 mA 2.4 2.4 V V OL Output LOW V olt age V CC = Min., I OL = 8. 0 mA 0.4 0.4 V V IH Inp ...

  • Cypress 7C185-25 - page 4

    CY7C185 Docum ent #: 38 -05043 Rev . *A Page 4 of 1 1 Switching Char acteristics Over the O perating Range [6] 7C185-1 5 7C185-20 7C 185-25 7C185 -35 Parameter D escription Min. Max. Min. Max. Min. Max. Min. Max. Unit Read Cycle t RC Read Cyc le T ime 15 20 25 35 ns t AA Address to Data V alid 15 20 25 35 ns t OHA Data Hold from Addres s Change 3 5 ...

  • Cypress 7C185-25 - page 5

    CY7C185 Docum ent #: 38 -05043 Rev . *A Page 5 of 1 1 Switching W aveforms 10. Device is con tinuously selected. OE , CE 1 = V IL . CE 2 = V IH . 11 . W E is HIGH for rea d cycle. 12. Dat a I/O is Hig h Z if O E = V IH , CE 1 = V IH , W E = V IL , or CE 2 =V IL . 13. The intern al write time o f the mem ory is d efined by the ove rlap o f CE 1 LOW ...

  • Cypress 7C185-25 - page 6

    CY7C185 Docum ent #: 38 -05043 Rev . *A Page 6 of 1 1 Notes: 15. The min imum write c ycle time for write cycle #3 (WE controlled, OE LOW) is the sum of t HZWE and t SD . 16. If CE 1 goes HIGH or CE 2 goes LOW si multaneousl y with WE H IGH, the ou tput re mains in a high-i mpedance state. Switching W aveforms (con tinued) t WC t AW t SA t HA t HD ...

  • Cypress 7C185-25 - page 7

    CY7C185 Docum ent #: 38 -05043 Rev . *A Page 7 of 1 1 T ypical DC and AC Cha racteristics – 55 25 125 1.2 1.0 0.8 OUTPUT SOURCE CURRENT (mA) AMBI EN T TE MPERA TURE ( ° C) 0.6 0.4 0.2 0.0 NORMALIZED I, I CC I SB V CC =5. 0V V IN =5.0V I CC SB 1.2 1.4 1.0 0.6 0.4 0.2 4.0 4.5 5.0 5.5 6.0 1.6 1.4 1.2 1.0 0.8 – 55 25 125 NORMALIZED t AA 120 100 80 ...

  • Cypress 7C185-25 - page 8

    CY7C185 Docum ent #: 38 -05043 Rev . *A Page 8 of 1 1 T ruth T able CE 1 CE 2 WE OE Input/Output Mode H X X X High Z Deselect/Power-Down X L X X High Z Deselect/Power-Down L H H L Dat a Out Read L H L X Dat a In Wri t e L H H H High Z Desel ect Address Designat ors Address Name Addr ess Function Pin Number A4 X3 2 A5 X4 3 A6 X5 4 A7 X6 5 A8 X7 6 A9 ...

  • Cypress 7C185-25 - page 9

    CY7C185 Docum ent #: 38 -05043 Rev . *A Page 9 of 1 1 Package Diagrams 51-85014-* B 28-Lead ( 300-Mil) Mo lded DIP P21 28-Lead (30 0-Mil) Molde d SOIC S21 51-85026-*A ...

  • Cypress 7C185-25 - page 10

    CY7C185 Docum ent #: 38 -05043 Rev . *A Page 10 of 1 1 © Cypress Semico nductor Corporati on, 2002. The information cont ained herein is su bject to change witho ut notice. Cypress S emico nductor Cor poration assumes no r esponsibility for the use of any ci rcuitry other th an circuitry embod ied in a Cypr ess Semiconductor pr oduct. Nor does it ...

  • Cypress 7C185-25 - page 11

    CY7C185 Docum ent #: 38 -05043 Rev . *A Page 1 1 of 1 1 Document Histor y Page Documen t Title: C Y7C185 8K x 8 S t atic RAM Documen t Number: 3 8-05043 REV . ECN NO. Issue Date Orig. o f Change Description of Ch ange ** 107145 09/10/01 SZV Change from Spec numbe r: 38-00037 to 38-0504 3 *A 1 16470 09/16/02 CEA Add appli cations f oot not e to dat ...

Manufacturer Cypress Category Computer Hardware

Documents that we receive from a manufacturer of a Cypress 7C185-25 can be divided into several groups. They are, among others:
- Cypress 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 7C185-25.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals Cypress 7C185-25, service manual, brief instructions and user manuals Cypress 7C185-25. 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 7C185-25.

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A complete manual for the device Cypress 7C185-25, 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 7C185-25 by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Cypress 7C185-25.

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 7C185-25 - 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 7C185-25, 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 7C185-25, that we can find in the current document
3. Tips how to use the basic functions of the device Cypress 7C185-25 - which should help us in our first steps of using Cypress 7C185-25
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with Cypress 7C185-25
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of Cypress 7C185-25 in a specific country, if it was not possible to solve the problem on our own.

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