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Cypress CY14B108L manual

Instruction/ maintenance manual of the product CY14B108L Cypress

File size: 0.84 mb
Number of pages: 24

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Summary of contents each page of manual

Page 1

PRELIMINARY CY14B108L, CY14B108N 8 Mbit (1024K x 8/512K x 16) nvSRAM Cypress Semiconductor Corpora tion • 198 Champion Court • San Jose , CA 95134-1709 • 408-943-2600 Document #: 001-45523 Rev .
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PRELIMINARY CY14B108L, CY14B108N Document #: 001-45523 Rev . *B Page 2 of 24 Pinout s Figure 1. Pin Diagram - 48 FBG A Figure 2. Pin Diag ram - 44/54-Pin TSOP II WE V CC A 11 A 10 V CAP A 6 A 0 A 3 CE.
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PRELIMINARY CY14B108L, CY14B108N Document #: 001-45523 Rev . *B Page 3 of 24 T able 1. Pin Definitions Pin Name I/O T yp e Description A 0 – A 19 Input Address Inputs Used to Sele ct one of the 1, 048,576 bytes of the nvSRAM fo r x8 Configuration .
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PRELIMINARY CY14B108L, CY14B108N Document #: 001-45523 Rev . *B Page 4 of 24 Device Operation The CY14B108L/CY1 4B108N nvSRAM is made up of 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 CY14B108L, CY14B108N Document #: 001-45523 Rev . *B Page 5 of 24 STORE operation is complet ed, the CY14B108L/CY14B108N remains disabled until the HSB pin returns HIGH.
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PRELIMINARY CY14B108L, CY14B108N Document #: 001-45523 Rev . *B Page 6 of 24 T able 2. Mod e Selection CE WE OE, BHE , BLE [3] A 15 - A 0 [5] Mode IO Power H X X X Not Selected Output High Z S tandby .
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PRELIMINARY CY14B108L, CY14B108N Document #: 001-45523 Rev . *B Page 7 of 24 Preventing AutoStore The AutoS t ore function is disabled by initiating an AutoS tore disable sequence. A sequence of read ope rations is performed in a manner si milar to the Software STORE initiation.
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PRELIMINARY CY14B108L, CY14B108N Document #: 001-45523 Rev . *B Page 8 of 24 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 CY14B108L, CY14B108N Document #: 001-45523 Rev . *B Page 9 of 24 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 CY14B108L, CY14B108N Document #: 001-45523 Rev . *B Page 10 of 24 AC Switching Characteristics Parameters Descriptio n 20 ns 25 ns 45 ns Unit Cypress Parameters Alt Parameters Min Max Min .
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PRELIMINARY CY14B108L, CY14B108N Document #: 001-45523 Rev . *B Page 1 1 of 24 Figure 6. SRAM Read Cycl e #2: CE and OE Controlled [3, 1 1, 15] Figure 7.
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PRELIMINARY CY14B108L, CY14B108N Document #: 001-45523 Rev . *B Page 12 of 24 Figure 8. SRAM W rite Cycle #2: CE Controll ed [3, 14, 15, 16] Figure 9. SRAM Write Cycle #3: BHE and BLE Controlled [3, 1.
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PRELIMINARY CY14B108L, CY14B108N Document #: 001-45523 Rev . *B Page 13 of 24 AutoStore/Power Up RECALL Parameters Descrip tion 20 ns 25 ns 45 ns Unit Min Max Min Max Min Max t HRECALL [17] Power Up R.
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PRELIMINARY CY14B108L, CY14B108N Document #: 001-45523 Rev . *B Page 14 of 24 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 CY14B108L, CY14B108N Document #: 001-45523 Rev . *B Page 15 of 24 Hardware STORE Cycle Parameters Description 20 ns 25 ns 45 ns Unit Min Max Min Max Min Max t DHSB HSB T o Output Active Ti.
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PRELIMINARY CY14B108L, CY14B108N Document #: 001-45523 Rev . *B Page 16 of 24 T ruth T able For SRAM Operations HSB should remain HIGH for SRAM Operations.
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PRELIMINARY CY14B108L, CY14B108N Document #: 001-45523 Rev . *B Page 17 of 24 Ordering Information Speed (ns) Ordering Code Package Diagram Package T ype Operating Range 20 CY14B108L-ZS20XCT 51-85087 .
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PRELIMINARY CY14B108L, CY14B108N Document #: 001-45523 Rev . *B Page 18 of 24 45 CY14B108L-ZS45XCT 51-85087 44-pin TSOP II Commercial CY14B108L-ZS45XC 51-850 87 44-pin TSOP II CY14B108L-ZS45XIT 51-850.
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PRELIMINARY CY14B108L, CY14B108N Document #: 001-45523 Rev . *B Page 19 of 24 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 Density: 108 - 8 Mb V oltage: B - 3.
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PRELIMINARY CY14B108L, CY14B108N Document #: 001-45523 Rev . *B Page 20 of 24 Package Diagrams Figure 15. 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 CY14B108L, CY14B108N Document #: 001-45523 Rev . *B Page 21 of 24 Figure 16. 48 -Ball FBGA - 6 mm x 10 mm x 1.2 mm (51-8512 8) 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 CY14B108L, CY14B108N Document #: 001-45523 Rev . *B Page 22 of 24 Figure 17. 54-Pin TSOP II (51-85160) Package Diagrams (continued) 51-85160 -** [+] Feedback.
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PRELIMINARY CY14B108L, CY14B108N Document #: 001-45523 Rev . *B Page 23 of 24 Document History Page Document Title: CY14B108L/CY14B108N 8 Mbit (1024K x 8/512K x 16) nvSRAM Document Number: 001-45523 Rev .
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Document #: 001-45523 Rev . *B Revised March 19, 2009 Page 24 of 24 AutoS tore and QuantumT rap are registered trademar ks of Cypress Semicondu ctor Corporation . All product s and company na mes mentio ned in this document are the trademark s of their respe ctive holders.

Read the Cypress CY14B108L manual - avoid problems

An important point after buying a device Cypress CY14B108L (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 CY14B108L
to know what to do in case of failure Cypress CY14B108L

If you have not bought Cypress CY14B108L 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 CY14B108L - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Cypress CY14B108L you will learn all the available features of the product, as well as information on its operation. The information that you get Cypress CY14B108L will certainly help you make a decision on the purchase.

If you already are a holder of Cypress CY14B108L, 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 CY14B108L.

However, one of the most important roles played by the user manual is to help in solving problems with Cypress CY14B108L. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Cypress CY14B108L 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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