Instruction/ maintenance manual of the product CY14E108N Cypress
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ADVANCE CY14E108L, CY14E108N 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 Number: 001-45524 Rev .
ADV ANCE CY14E108L, CY14 E108N Document Number: 001-45524 Rev . *A Page 2 of 20 Pinout s Figure 1. Pin Diagram - 48 FBG A Figure 2. Pin Diagram - 44/54 TSOP II WE V CC A 11 A 10 V CAP A 6 A 0 A 3 CE N.
ADV ANCE CY14E108L, CY14 E108N Document Number: 001-45524 Rev . *A Page 3 of 20 Pin Definitions Pin Name IO T yp e Description A 0 – A 19 Input Address Inputs Used to Select One of the 1,048,576 byte s of the nvSRAM for x8 Configuration . A 0 – A 18 Address Inputs Used to Select One of the 52 4, 288 bytes of the n vSRAM for x16 Configu ration .
ADV ANCE CY14E108L, CY14 E108N Document Number: 001-45524 Rev . *A Page 4 of 20 Device Operation The CY14E108L/CY1 4E108N nvSRAM is made up of two functional components paired in the same physical cell. They are an SRAM memory cell and a nonvola tile QuantumTrap cell.
ADV ANCE CY14E108L, CY14 E108N Document Number: 001-45524 Rev . *A Page 5 of 20 Sof tware STORE T ran sfer data from the SRAM to the nonvolatile memory with a software address sequence. The CY14B108L/CY14B108N software STORE cycle is initiate d by executing sequential CE controlled READ cycles from six specific address locations in exact order .
ADV ANCE CY14E108L, CY14 E108N Document Number: 001-45524 Rev . *A Page 6 of 20 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 similar to the software STORE initiation.
ADV ANCE CY14E108L, CY14 E108N Document Number: 001-45524 Rev . *A Page 7 of 20 Maximum Ratin gs Exceeding maximum ratings may impair the useful life of the device. These user guid elines are not tested. S torage T emperature ................ ........
ADV ANCE CY14E108L, CY14 E108N Document Number: 001-45524 Rev . *A Page 8 of 20 AC T est Conditions Input Pulse Levels ..................... .............. ................. 0V to 3V Input Rise and Fall T imes (10% - 90%) ................... ..... <5 ns Input and Output T iming Reference Levels .
ADV ANCE CY14E108L, CY14 E108N Document Number: 001-45524 Rev . *A Page 9 of 20 AC Switching Characteristics In the following table, the AC switching characteristics are listed.
ADV ANCE CY14E108L, CY14 E108N Document Number: 001-45524 Rev . *A Page 10 of 20 AutoStore and Power Up RECALL Parameters Description CY14E1 08L/CY14E108N Unit Min Max t HRECALL [14] Power Up RECALL Duration 20 ms t STORE [15] ST ORE Cycle Duration 15 m s V SWITCH Low V oltage T rigger Level 4.
ADV ANCE CY14E108L, CY14 E108N Document Number: 001-45524 Rev . *A Page 1 1 of 20 Figure 6. SRAM Read Cycle #2: CE and OE Controlled [10, 21, 23 ] Figure 7.
ADV ANCE CY14E108L, CY14 E108N Document Number: 001-45524 Rev . *A Page 12 of 20 Figure 8. SRAM Write Cycle #2: CE Controlled [13, 21, 22, 23] Figure 9. AutoStore or Power Up RECA LL [24] Note 24. Read and Write cycles are ignored during ST ORE, RECALL, and while VCC is below V SWITCH .
ADV ANCE CY14E108L, CY14 E108N Document Number: 001-45524 Rev . *A Page 13 of 20 Figure 10. CE Controlled Sof tware STORE/RECALL Cycle [17] Figure 1 1 .
ADV ANCE CY14E108L, CY14 E108N Document Number: 001-45524 Rev . *A Page 14 of 20 Figure 12. Hardware STORE Cycle [20] Figure 13. Soft Sequence Processing [18, 19] Switching W aveforms (continued) t SS.
ADV ANCE CY14E108L, CY14 E108N Document Number: 001-45524 Rev . *A Page 15 of 20 Ordering Information Speed (ns) Ordering Code Package Diagram Package T yp e Operating Range 20 CY14E108L-ZS20XCT 51-85.
ADV ANCE CY14E108L, CY14 E108N Document Number: 001-45524 Rev . *A Page 16 of 20 Part Numbering Nomenclature 45 CY14E108L-ZS45XCT 51-85087 44-pin TSOP II Commercial CY14E108L-ZS45XIT 51-85087 44-pin T.
ADV ANCE CY14E108L, CY14 E108N Document Number: 001-45524 Rev . *A Page 17 of 20 Package Diagrams Figure 14. 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.
ADV ANCE CY14E108L, CY14 E108N Document Number: 001-45524 Rev . *A Page 18 of 20 Figure 15. 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.
ADV ANCE CY14E108L, CY14 E108N Document Number: 001-45524 Rev . *A Page 19 of 20 Figure 16. 54-Pin TSOP II (51-85160) Package Diagrams (continued) 51-85160 -** [+] Feedback.
Document Number: 001-45524 Rev . *A Revised June 24, 2008 Page 20 of 20 AutoS tore and QuantumT rap are registe red trademarks of Simtek Co rporation. All product s and company name s mentioned in this do c ument are the tr ademarks of thei r respective hol ders.
An important point after buying a device Cypress CY14E108N (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
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If you already are a holder of Cypress CY14E108N, 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 CY14E108N.
However, one of the most important roles played by the user manual is to help in solving problems with Cypress CY14E108N. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Cypress CY14E108N 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
