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Cypress CY14B104LA manual

Instruction/ maintenance manual of the product CY14B104LA Cypress

File size: 0.73 mb
Number of pages: 23

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Summary of contents each page of manual

Page 1

PRELIMINARY CY14B104LA, CY14B104NA 4 Mbit (512K x 8/256K x 16) nvSRAM Cypress Semiconducto r Corporation • 198 Champion Court • San Jose , CA 95134-1709 • 408-943-2600 Document #: 001-49918 Rev .
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PRELIMINARY CY14B104LA, CY14B104NA Document #: 001-49918 Rev . *A Page 2 of 23 Pinout s Figure 1. Pin Diagram - 48 FBGA Figure 2. Pi n Diagram - 44 Pin TSOP II WE V CC A 11 A 10 V CAP A 6 A 0 A 3 CE N.
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PRELIMINARY CY14B104LA, CY14B104NA Document #: 001-49918 Rev . *A Page 3 of 23 Figure 3. Pin Diagram - 54 Pin TSOP II (x16) Pin Definitions Pin Name I/O T ype Description A 0 – A 18 Input Address Inputs Used to Select one of the 524,2 88 by tes of the nvSRAM for x8 Configuratio n .
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PRELIMINARY CY14B104LA, CY14B104NA Document #: 001-49918 Rev . *A Page 4 of 23 Device Operation The CY14B104LA/CY14B104NA nvSRAM is made up o f two functional components paired in the same physical cell. They are a SRAM memory cell and a n onvolatile QuantumTrap cell.
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PRELIMINARY CY14B104LA, CY14B104NA Document #: 001-49918 Rev . *A Page 5 of 23 remains disabled until the HSB pin returns HIGH. Lea ve the HSB unconnected if it is not used. Hardware RECALL (Power Up) During power up or after any low power condition (V CC <V SWITCH ), an internal RECALL re quest is latched.
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PRELIMINARY CY14B104LA, CY14B104NA Document #: 001-49918 Rev . *A Page 6 of 23 Preventing AutoStore The AutoS t ore function is disab led by initia ting an AutoS tore disable sequence. A sequence of read ope rations is performed in a manner similar to the software STORE initiation.
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PRELIMINARY CY14B104LA, CY14B104NA Document #: 001-49918 Rev . *A Page 7 of 23 Best Practices nvSRAM products have been used effectively for over 15 years.
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PRELIMINARY CY14B104LA, CY14B104NA Document #: 001-49918 Rev . *A Page 8 of 23 Maximum Ratings Exceeding maximum ratings may impair the useful life of the device. These us er guidelines are not teste d . S torage T emperature ..................... ...
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PRELIMINARY CY14B104LA, CY14B104NA Document #: 001-49918 Rev . *A Page 9 of 23 AC T est Conditions Input Pulse Levels ..................... .............. .............. ... 0V to 3V Input Rise and Fall T imes (10% - 90%) .............. .......... < 3 ns Input and Output T iming Reference Levels .
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PRELIMINARY CY14B104LA, CY14B104NA Document #: 001-49918 Rev . *A Page 10 of 23 AC Switching Characteristics Parameters Description 20 ns 25 ns 45 ns Unit Cypress Parameters Alt Parameters Min Max Min.
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PRELIMINARY CY14B104LA, CY14B104NA Document #: 001-49918 Rev . *A Page 1 1 of 23 Figure 7. SRAM Read Cycle #2: CE and OE Controlled [3, 13, 17] Figure 8.
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PRELIMINARY CY14B104LA, CY14B104NA Document #: 001-49918 Rev . *A Page 12 of 23 Figure 9. SRAM Write C ycle #2: CE Controlled [3, 16, 17, 1 8] Figure 10.
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PRELIMINARY CY14B104LA, CY14B104NA Document #: 001-49918 Rev . *A Page 13 of 23 AutoStore/Power Up RECALL Parameters Description 20 ns 25 ns 45 ns Unit Min Max Min Max Min Max t HRECALL [19] Power Up .
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PRELIMINARY CY14B104LA, CY14B104NA Document #: 001-49918 Rev . *A Page 14 of 23 Sof tware Controlled STORE/RECALL Cycle In the following table, the software controlled STORE and RECALL cycle parameters are listed.
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PRELIMINARY CY14B104LA, CY14B104NA Document #: 001-49918 Rev . *A Page 15 of 23 Hardware STORE Cycle Parameters Description 20 ns 25 ns 45 ns Unit Min Max Min Max Min Max t DHSB HSB T o Outp ut Active.
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PRELIMINARY CY14B104LA, CY14B104NA Document #: 001-49918 Rev . *A Page 16 of 23 T ruth T able For SRAM Operations HSB should remain HIGH for SRAM Operations.
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PRELIMINARY CY14B104LA, CY14B104NA Document #: 001-49918 Rev . *A Page 17 of 23 Ordering Information Speed (ns) Ordering Code Package Diagram Package T ype Operating Range 20 CY14B104LA-ZS20XCT 51-850.
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PRELIMINARY CY14B104LA, CY14B104NA Document #: 001-49918 Rev . *A Page 18 of 23 45 CY14B104LA-ZS45XCT 51-85087 44-pin TSOP II Commercial CY14B104LA-ZS45XC 51-85087 44-pin TSOP II CY14B104LA-ZS45XIT 51.
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PRELIMINARY CY14B104LA, CY14B104NA Document #: 001-49918 Rev . *A Page 19 of 23 Part Numbering Nomenclature Option: T - T ape & Reel Blank - S td. S peed: 20 - 20 ns 25 - 25 ns Data Bus: L - x8 N - x16 Densit y: 104 - 4 Mb V olt age: B - 3.
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PRELIMINARY CY14B104LA, CY14B104NA Document #: 001-49918 Rev . *A Page 20 of 23 Package Diagrams Figure 16. 44-Pin TSOP II (51-85087) MAX MIN. DIMENSION IN MM (INCH) 11.938 (0.470) PLANE SEATING PIN 1 I.D. 44 1 18.517 (0.729) 0.800 BSC 0° -5° 0.400(0.
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PRELIMINARY CY14B104LA, CY14B104NA Document #: 001-49918 Rev . *A Page 21 of 23 Figure 17. 48 -Ball FBGA - 6 mm x 10 mm x 1.2 mm (51-85128) Package Diagrams (continued) A 1 A1 CORNER 0.75 0.75 Ø0.30±0.05(48X) Ø0.25 M C A B Ø0.05 M C B A 0.15(4X) 0.
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PRELIMINARY CY14B104LA, CY14B104NA Document #: 001-49918 Rev . *A Page 22 of 23 Figure 18. 54-Pin TSOP II (51-85160) Package Diagrams (continued) 51-85160 -** [+] Feedback.
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Document #: 001-49918 Rev . *A Revised March 1 1, 2009 Page 23 of 23 AutoS tore and QuantumT rap are registered trademarks o f Cypress Se miconductors. All other pro ducts a nd compan y names mention ed i n this document a re the tradem arks of the ir respectiv e holders.

Read the Cypress CY14B104LA manual - avoid problems

An important point after buying a device Cypress CY14B104LA (or even before the purchase) is to read its user manual. We should do this for several simple reasons:

to know how to properly use the device
to know how to perform maintenance/ periodic checks of correct operation of the product Cypress CY14B104LA
to know what to do in case of failure Cypress CY14B104LA

If you have not bought Cypress CY14B104LA yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Cypress CY14B104LA - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Cypress CY14B104LA you will learn all the available features of the product, as well as information on its operation. The information that you get Cypress CY14B104LA will certainly help you make a decision on the purchase.

If you already are a holder of Cypress CY14B104LA, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Cypress CY14B104LA.

However, one of the most important roles played by the user manual is to help in solving problems with Cypress CY14B104LA. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Cypress CY14B104LA along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center

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