Manuale d’uso / di manutenzione del prodotto CY7C1515JV18 del fabbricante Cypress
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72-Mbit QDR™-II SRAM 4-W ord Burst Architecture CY7C151 1JV18, CY7C1526JV18 CY7C1513JV18, CY7C1515JV18 Cypress Semiconductor Corpora tion • 198 Champion Court • San Jose , CA 95134-1709 • 408-943-2600 Document Number: 001-12560 Rev .
CY7C151 1JV18, CY7C1526JV18 CY7C1513JV18, CY7C1515JV18 Document Number: 001-12560 Rev . *C Page 2 of 27 Logic Block Diagra m (CY7C151 1JV18) Logic Block Diagram (CY7C1526JV18) 2M x 8 Array CLK A (20:0) Gen. K K Control Logic Address Register D [7:0] Read Add.
CY7C151 1JV18, CY7C1526JV18 CY7C1513JV18, CY7C1515JV18 Document Number: 001-12560 Rev . *C Page 3 of 27 Logic Block Diagram (CY7C1513JV18) Logic Block Diagram (CY7C1515JV18) CLK A (19:0) Gen. K K Control Logic Address Register D [17:0] Read Add. Decode Read Data Reg.
CY7C151 1JV18, CY7C1526JV18 CY7C1513JV18, CY7C1515JV18 Document Number: 001-12560 Rev . *C Page 4 of 27 Pin Configuration The pin configuration for CY7C151 1JV18, CY7C1513JV18, and CY7C1515JV18 follow .
CY7C151 1JV18, CY7C1526JV18 CY7C1513JV18, CY7C1515JV18 Document Number: 001-12560 Rev . *C Page 5 of 27 CY7C1513JV18 (4 M x 18) 123456789 1 0 1 1 A CQ NC/144M A WPS BWS 1 K NC/288M RPS AA C Q B NC Q9 .
CY7C151 1JV18, CY7C1526JV18 CY7C1513JV18, CY7C1515JV18 Document Number: 001-12560 Rev . *C Page 6 of 27 Pin Definitions Pin Name IO Pin Descripti on D [x:0] Input- Synchronous Data Input Signals . Sampled on the rising edge of K and K clocks when valid write operations are active.
CY7C151 1JV18, CY7C1526JV18 CY7C1513JV18, CY7C1515JV18 Document Number: 001-12560 Rev . *C Page 7 of 27 CQ Echo Clock CQ is Referenced with Respect to C . This is a free running clock and is synchronized to the input cl ock for output data (C) of the QDR-II.
CY7C151 1JV18, CY7C1526JV18 CY7C1513JV18, CY7C1515JV18 Document Number: 001-12560 Rev . *C Page 8 of 27 Functional Overview The CY7C151 1JV18, CY7C1526JV18 , CY7C1513JV18, CY7C1515JV18 are synchronous pipel ined Burst SRAMs with a read port and a write port.
CY7C151 1JV18, CY7C1526JV18 CY7C1513JV18, CY7C1515JV18 Document Number: 001-12560 Rev . *C Page 9 of 27 Concurrent T ransactions The read and write ports on the CY7C1513JV1 8 operates completely independe ntly of one another .
CY7C151 1JV18, CY7C1526JV18 CY7C1513JV18, CY7C1515JV18 Document Number: 001-12560 Rev . *C Page 10 of 27 Application Example Figure 1 shows four QDR-II used in an application. Figure 1. Application Example T ruth T able The truth table for CY7C151 1JV18, CY7C1526 JV1 8, CY7C1513JV18, and CY7C1515JV18 follow s.
CY7C151 1JV18, CY7C1526JV18 CY7C1513JV18, CY7C1515JV18 Document Number: 001-12560 Rev . *C Page 1 1 of 27 Write Cycle Descriptions The write cycle description table for CY7C151 1JV18 and CY7C1513 JV18 fo llows.
CY7C151 1JV18, CY7C1526JV18 CY7C1513JV18, CY7C1515JV18 Document Number: 001-12560 Rev . *C Page 12 of 27 Write Cycle Descriptions The write cycle description tabl e for CY7C1515JV18 follows.
CY7C151 1JV18, CY7C1526JV18 CY7C1513JV18, CY7C1515JV18 Document Number: 001-12560 Rev . *C Page 13 of 27 IEEE 1 149.1 Serial Boundary Scan (JT AG) These SRAMs incorporate a serial boundary scan T est Access Port (T AP) in the FBGA p ackage. This part is fully comp liant with IEEE S tandard #1 14 9.
CY7C151 1JV18, CY7C1526JV18 CY7C1513JV18, CY7C1515JV18 Document Number: 001-12560 Rev . *C Page 14 of 27 IDCODE The IDCODE instruction loads a vendor-specific, 32-bi t code into the instruction re gister .
CY7C151 1JV18, CY7C1526JV18 CY7C1513JV18, CY7C1515JV18 Document Number: 001-12560 Rev . *C Page 15 of 27 T AP Controller St ate Diagram The state diagram for the T AP controller follows.
CY7C151 1JV18, CY7C1526JV18 CY7C1513JV18, CY7C1515JV18 Document Number: 001-12560 Rev . *C Page 16 of 27 T AP Controller Block Diagram T AP Electrical Characteristics Over the Operating Range [12, 13, 14] Parameter Description T est Conditions Min Max Unit V OH1 Output HIGH V oltage I OH = − 2.
CY7C151 1JV18, CY7C1526JV18 CY7C1513JV18, CY7C1515JV18 Document Number: 001-12560 Rev . *C Page 17 of 27 T AP AC Switching Characteristics Over the Operating Range [15, 16] Parameter Description Min M.
CY7C151 1JV18, CY7C1526JV18 CY7C1513JV18, CY7C1515JV18 Document Number: 001-12560 Rev . *C Page 18 of 27 Identification R egi ster Definitions Instruction Field Va l u e Descriptio n CY7C151 1JV18 CY7C1526JV18 CY7C1513JV18 CY7C1515JV18 Revision Numb er (31:29) 001 001 001 001 V ersio n number .
CY7C151 1JV18, CY7C1526JV18 CY7C1513JV18, CY7C1515JV18 Document Number: 001-12560 Rev . *C Page 19 of 27 Boundary Scan Order Bit # Bump ID Bit # Bump ID Bit # Bump ID Bit # Bump ID 0 6R 28 10G 56 6A 8.
CY7C151 1JV18, CY7C1526JV18 CY7C1513JV18, CY7C1515JV18 Document Number: 001-12560 Rev . *C Page 20 of 27 Power Up Sequence in QDR-II SRAM QDR-II SRAMs must be powered up and initialized in a predefined manner to prevent unde fined operations. During Power Up, when the DOFF is tied HIGH, the DLL gets locked after 1024 cycles of st able clock.
CY7C151 1JV18, CY7C1526JV18 CY7C1513JV18, CY7C1515JV18 Document Number: 001-12560 Rev . *C Page 21 of 27 Maximum Ratings Exceeding maximum ratin gs may impair the useful life of the device. These user guidelines are not teste d. S torage T emperature .
CY7C151 1JV18, CY7C1526JV18 CY7C1513JV18, CY7C1515JV18 Document Number: 001-12560 Rev . *C Page 22 of 27 Cap acit ance T ested initially and after any design or process change that may affect these parameters. Parameter Description T est Conditions Max Unit C IN Input Capacitance T A = 25 ° C, f = 1 MHz, V DD = 1.
CY7C151 1JV18, CY7C1526JV18 CY7C1513JV18, CY7C1515JV18 Document Number: 001-12560 Rev . *C Page 23 of 27 Switching Characteristics Over the Operating Range [21] Cypress Parameter Consor tium Parameter Description 300 MHz Unit Min Max t POWER V DD (T ypical) to the First Access [22] 1m s t CYC t KHKH K Clock and C Clock Cycle T ime 3.
CY7C151 1JV18, CY7C1526JV18 CY7C1513JV18, CY7C1515JV18 Document Number: 001-12560 Rev . *C Page 24 of 27 Switching W aveforms Figure 3. Read/Write/Deselect Sequence [2 6, 27, 28 ] K 1 2 34 5 6 7 RPS W.
CY7C151 1JV18, CY7C1526JV18 CY7C1513JV18, CY7C1515JV18 Document Number: 001-12560 Rev . *C Page 25 of 27 Ordering Information Not all of the speed, package and temperature ranges are ava ilable. Please contact your local sales representative or visit www .
CY7C151 1JV18, CY7C1526JV18 CY7C1513JV18, CY7C1515JV18 Document Number: 001-12560 Rev . *C Page 26 of 27 Package Diagram Figure 4. 165-ball FBGA (15 x 17 x 1.
Document Number: 001-12560 Rev . *C Revised March 10, 2008 Page 27 of 27 QDR RAMs an d Quad Data Rate RAMs comp rise a new family of product s develope d by Cypress, IDT , NEC, Renesas, and Samsung. All pr oduct and co mpany nam es mentione d in this docum ent are the tr ad emarks of their resp e ctive hold ers.
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 CY7C1515JV18 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 CY7C1515JV18 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Cypress CY7C1515JV18 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Cypress CY7C1515JV18 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Cypress CY7C1515JV18, 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 CY7C1515JV18.
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 CY7C1515JV18. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Cypress CY7C1515JV18 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.
