Manuale d’uso / di manutenzione del prodotto CY7C1480V25 del fabbricante Cypress
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72-Mbit (2M x 36 /4M x 18/1M x 72) Pipelined Sync SRAM CY7C1480V25 CY7C1482V25 CY7C1486V25 Cypress Semiconductor Corpora tion • 198 Champion Court • San J ose , CA 95134-1709 • 408-943-2600 Document #: 38-05282 Rev .
CY7C1480V25 CY7C1482V25 CY7C1486V25 Document #: 38-05282 Rev . *H Page 2 of 32 Logic Block Diagram – CY7C1480V25 (2 M x 36) Logic Block Diagram – CY7C1482V25 (4 M x 18) ADDRESS REGISTER ADV CLK BU.
CY7C1480V25 CY7C1482V25 CY7C1486V25 Document #: 38-05282 Rev . *H Page 3 of 32 Logic Block Diagram – CY7C1486V25 (1 M x 72) BW D BW C BW B BW A BWE GW CE1 CE2 CE3 OE ENABLE REGISTER PIPELINED ENABLE.
CY7C1480V25 CY7C1482V25 CY7C1486V25 Document #: 38-05282 Rev . *H Page 4 of 32 Pin Configurations 100-Pin TQFP Pinout DQP B DQ B DQ B V DDQ V SSQ DQ B DQ B DQ B DQ B V SSQ V DDQ DQ B DQ B V SS NC V DD.
CY7C1480V25 CY7C1482V25 CY7C1486V25 Document #: 38-05282 Rev . *H Page 5 of 32 Pin Configurations (continued) 165-Ball FBGA (15 x 17 x 1.4 mm) Pinout CY7C1480V25 (2M x 36) CY7C1482V25 (4M x 18) 234 5 .
CY7C1480V25 CY7C1482V25 CY7C1486V25 Document #: 38-05282 Rev . *H Page 6 of 32 Pin Configurations (continued) CY7C1486V25 (1M × 72) 209-Ball FBGA (14 x 22 x 1.
CY7C1480V25 CY7C1482V25 CY7C1486V25 Document #: 38-05282 Rev . *H Page 7 of 32 Pin Definitions Pin Name I/O Description A 0 , A 1 , A Input- Synchronous Address Inputs used to select one of the address locatio ns . Sampled at the rising edge of the CLK if ADSP or ADSC is active LOW , and CE 1 , CE 2 , and CE 3 are sampled active.
CY7C1480V25 CY7C1482V25 CY7C1486V25 Document #: 38-05282 Rev . *H Page 8 of 32 Functional Overview All synchronous inputs pass through input registers controlled by the rising edge of the clock. All data outputs pass through output registers controlled by the rising edge of the clock.
CY7C1480V25 CY7C1482V25 CY7C1486V25 Document #: 38-05282 Rev . *H Page 9 of 32 DQs are automatically tri-stat ed whenever a write cycle is detected, regardless of the state of OE .
CY7C1480V25 CY7C1482V25 CY7C1486V25 Document #: 38-05282 Rev . *H Page 10 of 32 Notes 3. X = “Don't Care.” H = Logic HIGH, L = Logic LOW . 4. WRITE = L when any one or more Byte Write Enab le signals and BWE = L or GW = L. WRITE = H when all Byte Write Enable signals, BWE , GW = H.
CY7C1480V25 CY7C1482V25 CY7C1486V25 Document #: 38-05282 Rev . *H Page 1 1 of 32 T ruth T able for Read/Write The read/write truth table for the CY7C1480V25 follows.
CY7C1480V25 CY7C1482V25 CY7C1486V25 Document #: 38-05282 Rev . *H Page 12 of 32 IEEE 1 149.1 Serial Boundary Scan (JT AG) The CY7C1480V25/CY7C148 2V25/CY7C1486V25 incorpo- rates a serial boundary scan test access port (T AP). This port operates in accordance with IEEE S tandard 1 149.
CY7C1480V25 CY7C1482V25 CY7C1486V25 Document #: 38-05282 Rev . *H Page 13 of 32 Instruction Register Three-bit instructions can be serially loaded into the instruction register . This register is loaded w hen it is placed betwe en the TDI and TDO balls as shown in the “T AP Controller Block Diagram” on page 12 .
CY7C1480V25 CY7C1482V25 CY7C1486V25 Document #: 38-05282 Rev . *H Page 14 of 32 The SRAM clock input might no t be captured correctly if there is no way in a design to stop (or slow) the clock during a SAMPLE/PRELOAD instruction.
CY7C1480V25 CY7C1482V25 CY7C1486V25 Document #: 38-05282 Rev . *H Page 15 of 32 2.5V T AP AC T est Conditions Input pulse levels ...... .............. ............ .............. .. V SS to 2.5V Input rise and fall time ........... ........... .......
CY7C1480V25 CY7C1482V25 CY7C1486V25 Document #: 38-05282 Rev . *H Page 16 of 32 Scan Register Sizes Register Name Bit Size (x36) Bit Size (x18) Bit Size (x72) Instruction 3 3 3 Bypass 1 1 1 ID 32 32 3.
CY7C1480V25 CY7C1482V25 CY7C1486V25 Document #: 38-05282 Rev . *H Page 17 of 32 Boundary Scan Exit Order (4M x 18) Bit # 165-Ball ID Bit # 165-Ba ll ID Bit # 165-Ball ID 1D 2 1 9 R 8 3 7 C 1 1 2E 2 2 .
CY7C1480V25 CY7C1482V25 CY7C1486V25 Document #: 38-05282 Rev . *H Page 18 of 32 Boundary Scan Exit Order (1M x 72) Bit # 209-Ball ID Bit # 209-Ball ID Bit # 209-Ball ID Bit # 209-Ball ID 1 A1 29 T 1 5.
CY7C1480V25 CY7C1482V25 CY7C1486V25 Document #: 38-05282 Rev . *H Page 19 of 32 Maximum Ratings Exceeding the maximum rati ngs may impair the useful life of the device. The se user guid elines are no t tested. S torage T emperature .. .............. .
CY7C1480V25 CY7C1482V25 CY7C1486V25 Document #: 38-05282 Rev . *H Page 20 of 32 Cap acit ance [14] Parameter Description T est Conditions 100 TQFP Package 165 FBGA Package 209 FBGA Package Unit C ADDRESS Address Input Capa citance T A = 25 ° C, f = 1 MHz, V DD = 2.
CY7C1480V25 CY7C1482V25 CY7C1486V25 Document #: 38-05282 Rev . *H Page 21 of 32 Notes 15. T iming reference level is 1.25V when V DDQ = 2.5V and is 0.9V w hen V DD Q = 1.8V . 16. T est conditions shown in (a) of “AC T est Loads and W aveforms” on pa ge 20 unless otherwise not ed.
CY7C1480V25 CY7C1482V25 CY7C1486V25 Document #: 38-05282 Rev . *H Page 22 of 32 Switching W aveforms Read Cycle Timing [21] t CYC t CL CLK ADSP t ADH t ADS ADDRESS t CH OE ADSC CE t AH t AS A1 t CEH t CES GW, BWE, BWx D ata Out (Q) High-Z t CLZ t DOH t CO ADV t OEHZ t CO Single READ BURST READ t OEV t OELZ t CHZ ADV suspends burst.
CY7C1480V25 CY7C1482V25 CY7C1486V25 Document #: 38-05282 Rev . *H Page 23 of 32 Write Cycle T iming [21, 22] Switching W aveforms (continued) t CYC t CL CLK ADSP t ADH t ADS ADDRESS t CH OE ADSC CE t .
CY7C1480V25 CY7C1482V25 CY7C1486V25 Document #: 38-05282 Rev . *H Page 24 of 32 Read/Write Cycle Timing [21, 23, 24 ] Switching W aveforms (continued) t CYC t CL CLK ADSP t ADH t ADS ADDRESS t CH OE A.
CY7C1480V25 CY7C1482V25 CY7C1486V25 Document #: 38-05282 Rev . *H Page 25 of 32 ZZ Mode T iming [25, 26] Switching W aveforms (continued) t ZZ I SUPPLY CLK ZZ t ZZREC A LL INPUTS (except ZZ) DON’T CARE I DDZZ t ZZI t RZZI Outputs (Q) High-Z DESELECT or READ Only Notes 25.
CY7C1480V25 CY7C1482V25 CY7C1486V25 Document #: 38-05282 Rev . *H Page 26 of 32 Ordering Information Not all of the speed, package and temperature ranges are available. Please co ntact your local sales represe ntative or visit www .cypress .com for a ctual prod ucts offered.
CY7C1480V25 CY7C1482V25 CY7C1486V25 Document #: 38-05282 Rev . *H Page 27 of 32 250 CY7C1480 V25-250AXC 51-85050 100-Pin Thin Quad F lat Pack (14 x 20 x 1.4 mm) Lead-Free Commercia l CY7C1482V25-250AXC CY7C1480V25-250BZC 51-85165 165-ball Fine-Pitc h Ball Grid Array (15 x 17 x 1.
CY7C1480V25 CY7C1482V25 CY7C1486V25 Document #: 38-05282 Rev . *H Page 28 of 32 Package Diagrams Figure 1. 100-Pin Thin Plastic Quad Fl atpack (14 x 20 x 1.4 mm), 51-8 5050 NOTE: 1. JEDEC STD REF MS-026 2. BODY LENGTH DIMENSION DOES NOT INCLUDE MOLD PROTRUSION/END FLASH MOLD PROTRUSION/END FLASH SHALL NOT EXCEED 0.
CY7C1480V25 CY7C1482V25 CY7C1486V25 Document #: 38-05282 Rev . *H Page 29 of 32 Figure 2. 165-Ball FBGA (15 x 17 x 1.4 mm), 51-85165 Package Diagrams (continued) A 1 PIN 1 CORNER 17.00±0.10 15.00±0.10 7.00 1.00 Ø0.45±0.05(165X) Ø0.25 M C A B Ø0.
CY7C1480V25 CY7C1482V25 CY7C1486V25 Document #: 38-05282 Rev . *H Page 30 of 32 © Cypress Semico nductor Corpor ation, 2002- 2007. The inform ation contai ned herein is sub ject to change wi thout notice.
CY7C1480V25 CY7C1482V25 CY7C1486V25 Document #: 38-05282 Rev . *H Page 31 of 32 Document History Page Document Title: CY7C1480V25/CY7C1482V25 /CY7C1486V25 72 -Mbit (2M x 36/4M x 18/1M x 72) Pipelined Sy nc SRAM Document Number: 38-05282 REV . ECN NO. Issue Date Orig.
CY7C1480V25 CY7C1482V25 CY7C1486V25 Document #: 38-05282 Rev . *H Page 32 of 32 *G 4866 90 See ECN VKN Corrected the typo in the 209-Ball FBGA pinout. (Corrected the ball name H9 to V SS from V SSQ ).
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Cypress CY7C1480V25 è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Cypress CY7C1480V25 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Cypress CY7C1480V25 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Cypress CY7C1480V25 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Cypress CY7C1480V25, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Cypress CY7C1480V25.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Cypress CY7C1480V25. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Cypress CY7C1480V25 insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
