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Manual Cypress CY62157EV18

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Summary
  • Cypress CY62157EV18 - page 1

    Cypress Semic onductor Corpora tion • 198 Champion Court • San Jose , CA 95134-17 09 • 408-94 3-2600 Document #: 38-0549 0 Rev . *D Revised March 30, 2007 CY62157EV18 MoBL ® 8-Mbit (512K x 16) S t atic RAM Features • V ery hi gh speed: 55 ns • Wide voltage range: 1.65V–2.25V • Pin Compatible with CY62157DV18 and CY62157DV20 • Ultra ...

  • Cypress CY62157EV18 - page 2

    CY62157EV18 MoBL ® Document #: 38-05490 Rev . *D Page 2 of 12 Logic Block Diagram Pin Configuration [3] 512K x 16 RAM Arra y IO 0 –IO 7 ROW DECODER A 8 A 7 A 6 A 5 A 2 COLUMN DECO DER A 11 A 12 A 13 A 14 A 15 SENSE AMPS DATA IN DRIVERS OE A 4 A 3 IO 8 –IO 15 WE BLE BHE A 16 A 0 A 1 A 17 A 9 BHE BLE A 10 A 18 POWER DOWN CIRCUIT CE 2 CE 1 CE 2 C ...

  • Cypress CY62157EV18 - page 3

    CY62157EV18 MoBL ® Document #: 38-05490 Rev . *D Page 3 of 12 Maximum Ratings Exceeding maximum ratings may im p air the useful life of the device. These user guidelines are not teste d. S torage T emperature .............. ................. . –65°C to + 150°C Ambient T emperatur e with Power Applied ....................... ........ .......... ...

  • Cypress CY62157EV18 - page 4

    CY62157EV18 MoBL ® Document #: 38-05490 Rev . *D Page 4 of 12 Thermal Resist ance [8] Parameter Description T est Conditions BGA Unit Θ JA Thermal Resistance (Junction to Ambient) S til l air , soldered on a 3 × 4.5 inch, two-layer printed circu it board 72 ° C/W Θ JC Thermal Resistance (Junction to Case) 8.86 ° C/W AC T est Loads and W avefo ...

  • Cypress CY62157EV18 - page 5

    CY62157EV18 MoBL ® Document #: 38-05490 Rev . *D Page 5 of 12 Switching Characteristics (Over th e Operat ing Range ) [1 1, 12 ] Parameter Descriptio n 55 ns Unit Min Max Read Cycle t RC Read Cycle T ime 55 ns t AA Address to Data V alid 55 ns t OHA Data Hold from Address Change 10 ns t ACE CE 1 LOW and CE 2 HIGH to Data V alid 55 ns t DOE OE LOW ...

  • Cypress CY62157EV18 - page 6

    CY62157EV18 MoBL ® Document #: 38-05490 Rev . *D Page 6 of 12 Switching W aveforms Read Cycle 1 (Address T ransition Controlled) [17, 18] Read Cycle 2 (OE Controlled) [18, 19] PREVIOUS DATA VALID DATA VALID RC t AA t OHA t RC ADDRESS DATA OUT 50% 50% DA T A V AL ID t RC t ACE t DOE t LZOE t LZCE t PU HIGH IMPEDANCE t HZOE t PD t HZBE t LZBE t HZCE ...

  • Cypress CY62157EV18 - page 7

    CY62157EV18 MoBL ® Document #: 38-05490 Rev . *D Page 7 of 12 Write Cycle 1 (WE Controlled) [16, 20, 21] Write Cycle 2 (CE 1 or CE 2 Controlled) [16, 20, 21] Switching W aveforms (conti nued) t HD t SD t PWE t SA t HA t AW t SCE t WC t HZOE VA L I D D ATA t BW NOTE 22 CE 1 ADDRESS CE 2 WE DA T A IO OE BHE /BLE t HD t SD t PWE t HA t AW t SCE t WC ...

  • Cypress CY62157EV18 - page 8

    CY62157EV18 MoBL ® Document #: 38-05490 Rev . *D Page 8 of 12 Write Cycle 3 (WE Controlled, OE LOW) [21] Write Cycle 4 (BHE /BLE Controlled, OE LOW) [21] Switching W aveforms (conti nued) VA L I D D ATA t HD t SD t LZWE t PWE t SA t HA t AW t SCE t WC t HZWE t BW NOTE 22 CE 1 ADDRESS CE 2 WE DA T A IO BHE /BLE t HD t SD t SA t HA t AW t WC VA L I ...

  • Cypress CY62157EV18 - page 9

    CY62157EV18 MoBL ® Document #: 38-05490 Rev . *D Page 9 of 12 T rut h T a ble CE 1 CE 2 WE OE BHE BLE Input s/Output s Mode Power H X X X X X High-Z Deselect/Power Down S tandby (I SB ) X L X X X X High-Z Des elect/Power Down S tandby (I SB ) X X X X H H High-Z Deselect/Power Down S tandby (I SB ) L H H L L L Data Out (IO 0 –IO 15 ) Read Active ...

  • Cypress CY62157EV18 - page 10

    Document #: 38-05490 Rev . *D Page 10 of 12 © Cypress Semi conductor Cor poration, 200 6-2007. The info rmation co ntained h erein is subject to change witho ut notice. Cypress S emiconductor Corporatio n assumes no responsibility for the use of any circuitr y other than circuitr y embodied in a C ypress product. Nor doe s it convey or imply a ny ...

  • Cypress CY62157EV18 - page 11

    CY62157EV18 MoBL ® Document #: 38-05490 Rev . *D Page 1 1 of 12 Document History Document Title: CY62157EV18 MoBL ® 8-Mbit (512K x 16) St atic RAM Document Number:38-0549 0 REV . ECN NO. Issue Date Orig. o f Change Description of Cha nge ** 202862 See ECN AJU New Data Sheet *A 291272 See ECN SYT Converted from Ad vance Info rmation to Preliminary ...

  • Cypress CY62157EV18 - page 12

    CY62157EV18 MoBL ® Document #: 38-05490 Rev . *D Page 12 of 12 *D 908120 See ECN VKN Add ed footnote #7 related to I SB2 Added footnote #12 related AC timing paramete rs Document Title: CY62157EV18 MoBL ® 8-Mbit (512K x 16) St atic RAM Document Number:38-0549 0 REV . ECN NO. Issue Date Orig. o f Change Description of Cha nge [+] Feedback ...

Manufacturer Cypress Category Computer Hardware

Documents that we receive from a manufacturer of a Cypress CY62157EV18 can be divided into several groups. They are, among others:
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- CY62157EV18 manuals
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- information booklets
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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 CY62157EV18.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals Cypress CY62157EV18, service manual, brief instructions and user manuals Cypress CY62157EV18. 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 CY62157EV18.

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A complete manual for the device Cypress CY62157EV18, 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 CY62157EV18 by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Cypress CY62157EV18.

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 CY62157EV18 - 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 CY62157EV18, 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 CY62157EV18, that we can find in the current document
3. Tips how to use the basic functions of the device Cypress CY62157EV18 - which should help us in our first steps of using Cypress CY62157EV18
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with Cypress CY62157EV18
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of Cypress CY62157EV18 in a specific country, if it was not possible to solve the problem on our own.

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