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Manual Cypress CY62157E

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Summary
  • Cypress CY62157E - page 1

    8-Mbit (512K x 16) S t atic RAM CY62157E MoBL ® Cypress Semiconductor Corpora tion • 198 Champion Court • San Jose , CA 95134-1 709 • 408-9 43-2600 Document #: 38-05695 Rev . *C Revised November 21, 2006 Features • V ery high speed: 45 ns • Wide volt age range: 4.5V–5.5V • Ultra-low st andby power —T ypical Standby current: 2 µ A ...

  • Cypress CY62157E - page 2

    CY62157E MoBL ® Document #: 38-05695 Rev . *C Page 2 of 12 Pin Configuration [2, 3] Product Port folio Product Range V CC Range (V) Speed (ns) Power Dissipation Operating I CC , (mA) Standb y , I SB2 ( µ A) f = 1MHz f = f max Min T yp [4] Max T yp [4] Max T yp [4] Max T yp [4] Max CY62157E-45 Ind’l 4.5 5.0 5.5 45 1.8 3 18 25 2 8 CY62157E-55 [5] ...

  • Cypress CY62157E - page 3

    CY62157E MoBL ® Document #: 38-05695 Rev . *C Page 3 of 12 Maximum Ratings (Above which the useful life may be impaired. For user guide- lines, not tested.) S torage T emperature ............. .............. ..... –65°C to + 150°C Ambient T e mperature with Power Applied .......... ............................ ..... – 55°C to + 125°C Suppl ...

  • Cypress CY62157E - page 4

    CY62157E MoBL ® Document #: 38-05695 Rev . *C Page 4 of 12 Thermal Resist ance [9] Parameter Descriptio n T est Co nd itions TSOP II VFBGA Unit Θ JA Thermal Resistance (Junction to Ambient) S till Air , solder ed on a 3 × 4.5 inch , two-layer printed circuit board 77 72 °C/W Θ JC Thermal Resistance (Junction to Case) 13 8.86 °C/W AC T est Loa ...

  • Cypress CY62157E - page 5

    CY62157E MoBL ® Document #: 38-05695 Rev . *C Page 5 of 12 Switching Characteristics Over the Operating Range [12] Parameter Description 45 ns 55 ns Unit Min Max Min Max Read Cycle t RC Read Cycle T ime 45 55 ns t AA Address to Data V alid 45 55 ns t OHA Data Hold from Address Ch ange 10 10 ns t ACE CE 1 LOW and CE 2 HIGH to Dat a V alid 45 55 ns ...

  • Cypress CY62157E - page 6

    CY62157E MoBL ® Document #: 38-05695 Rev . *C Page 6 of 12 Switching W aveforms Read Cycle 1 (Add ress T ransition Controlled) [16, 17] Read Cycle 2 (OE Controlled ) [1 7, 18] Notes: 16. The device is contin uously selected. OE , C E 1 = V IL , B HE and/or BLE = V IL , and CE 2 = V IH . 17. WE is HIGH for read cycle. 18. Address valid prior to or ...

  • Cypress CY62157E - page 7

    CY62157E MoBL ® Document #: 38-05695 Rev . *C Page 7 of 12 Write Cycle 1 (WE Controlled) [15, 19, 20, 21] Write Cycle 2 (CE 1 or CE 2 Controlled) [15, 19, 20, 21] Notes: 19. Data IO is high impedance if OE = V IH . 20. If CE 1 goes HIGH and CE 2 goes LOW simultaneously wit h WE = V IH , the output remains in a hi gh-impedance state. 21. During thi ...

  • Cypress CY62157E - page 8

    CY62157E MoBL ® Document #: 38-05695 Rev . *C Page 8 of 12 Write Cycle 3 (WE Controlled, OE LOW) [20, 21] Write Cycle 4 (BHE /BLE Controlled, OE LOW) [20, 21] Switching W aveforms (continued) V ALID DA T A t HD t SD t LZWE t PWE t SA t HA t AW t SCE t WC t HZWE t BW See Note 21 CE 1 ADDRESS CE 2 WE DA T A IO BHE /BLE t HD t SD t SA t HA t AW t WC ...

  • Cypress CY62157E - page 9

    CY62157E MoBL ® Document #: 38-05695 Rev . *C Page 9 of 12 T ruth T able CE 1 CE 2 WE OE BHE BLE Inputs/Outputs 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 Deselect/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 (I CC ) ...

  • Cypress CY62157E - page 10

    CY62157E MoBL ® Document #: 38-05695 Rev . *C Page 10 of 12 Package Diagrams 44-pin TSOP II (51-85087) 51-85087-*A [+] Feedback ...

  • Cypress CY62157E - page 11

    CY62157E MoBL ® Document #: 38-05695 Rev . *C Page 1 1 of 12 © Cypress Semi con duct or Cor po rati on , 20 06 . The information contained he rein is subject to change wit hout notice. Cypress Semic onduct or Corpo ration assu mes no resp onsib ility for the u se of any circuitry o ther than circuitry embodied in a Cypress prod uct. Nor does it c ...

  • Cypress CY62157E - page 12

    CY62157E MoBL ® Document #: 38-05695 Rev . *C Page 12 of 12 Document History Page Document Title: CY62157E MoB L ® , 8-Mbit (512K x 16) St atic RAM Document Number: 38-05695 REV . ECN NO. Issue Date Or ig. of Change Description of Change ** 291273 See ECN PCI New data sheet *A 457689 See ECN NXR Added Automotive Product Removed Industrial Product ...

Manufacturer Cypress Category Computer Hardware

Documents that we receive from a manufacturer of a Cypress CY62157E can be divided into several groups. They are, among others:
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- CY62157E manuals
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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 CY62157E.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals Cypress CY62157E, service manual, brief instructions and user manuals Cypress CY62157E. 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 CY62157E.

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A complete manual for the device Cypress CY62157E, 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 CY62157E by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Cypress CY62157E.

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 CY62157E - 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 CY62157E, 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 CY62157E, that we can find in the current document
3. Tips how to use the basic functions of the device Cypress CY62157E - which should help us in our first steps of using Cypress CY62157E
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with Cypress CY62157E
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of Cypress CY62157E in a specific country, if it was not possible to solve the problem on our own.

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