Manuale d’uso / di manutenzione del prodotto CY7C1166V18 del fabbricante Cypress
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CY7C1 166V18, CY7C1 177V18 CY7C1 168V18, CY7C1 170V18 18-Mbit DDR-II+ SRAM 2-W ord Burst Architecture (2.5 Cycle Read Latency) Cypress Semiconductor Corpora tion • 198 Champion Court • San Jose , CA 95134-1709 • 408-943-2600 Document Number: 001-06620 Rev .
CY7C1 166V18, CY7C1 177V18 CY7C1 168V18, CY7C1 170V18 Document Number: 001-06620 Rev . *D Page 2 of 27 Logic Block Diagram (CY7C1 166V18) Logic Block Diagram (CY7C1 177V18) CLK A (19:0) Gen. K K Control Logic Address Register Read Add. Decode Read Data Reg.
CY7C1 166V18, CY7C1 177V18 CY7C1 168V18, CY7C1 170V18 Document Number: 001-06620 Rev . *D Page 3 of 27 Logic Block Diagram (CY7C1 168V18) Logic Block Diagram (CY7C1 170V18) CLK A (18:0) Gen. K K Control Logic Address Register Read Add. Decode Read Data Reg.
CY7C1 166V18, CY7C1 177V18 CY7C1 168V18, CY7C1 170V18 Document Number: 001-06620 Rev . *D Page 4 of 27 Pin Configurations CY7C1 166V18 (2M x 8 ) 165-Ball FBGA (13 x 15 x 1.
CY7C1 166V18, CY7C1 177V18 CY7C1 168V18, CY7C1 170V18 Document Number: 001-06620 Rev . *D Page 5 of 27 Pin Configurations (continued) CY7C1 168V18 (1M x 18) 165-Ball FBGA (13 x 15 x 1.
CY7C1 166V18, CY7C1 177V18 CY7C1 168V18, CY7C1 170V18 Document Number: 001-06620 Rev . *D Page 6 of 27 Pin Definitions Pin Name IO Pin Description DQ [x:0] Input Output- Synchronous Data Input Output Signal s . Inputs are sampled on the rising edge of K an d K clocks during valid write operations.
CY7C1 166V18, CY7C1 177V18 CY7C1 168V18, CY7C1 170V18 Document Number: 001-06620 Rev . *D Page 7 of 27 ZQ Input Output Im pedance Matching I nput . This input is used to tune the device output s to the system data bus impedance. CQ, CQ, and Q [x:0] output impedance are set to 0.
CY7C1 166V18, CY7C1 177V18 CY7C1 168V18, CY7C1 170V18 Document Number: 001-06620 Rev . *D Page 8 of 27 Functional Overview The CY7C1 166V18, CY7C1 1 77V18, CY7C1 168V18, and CY7C1 170V18 are syn chronous pipelined Burst SRAMs equipped with a DDR inte rface.
CY7C1 166V18, CY7C1 177V18 CY7C1 168V18, CY7C1 170V18 Document Number: 001-06620 Rev . *D Page 9 of 27 echo clock and follows the ti ming of any data pin.
CY7C1 166V18, CY7C1 177V18 CY7C1 168V18, CY7C1 170V18 Document Number: 001-06620 Rev . *D Page 10 of 27 Write Cycle Descriptions The write cycle descriptions of CY7C 1 166V18 and CY7C1 168V18 follows.
CY7C1 166V18, CY7C1 177V18 CY7C1 168V18, CY7C1 170V18 Document Number: 001-06620 Rev . *D Page 1 1 of 27 The write cycle descriptions of CY7C1 170V18 follows.
CY7C1 166V18, CY7C1 177V18 CY7C1 168V18, CY7C1 170V18 Document Number: 001-06620 Rev . *D Page 12 of 27 IEEE 1 149.1 Serial Boundary Scan (JT AG) These SRAMs incorporate a serial boundary scan test access port (T AP) in the FBGA package. This part is fully comp liant with IEEE S t andard #1 149.
CY7C1 166V18, CY7C1 177V18 CY7C1 168V18, CY7C1 170V18 Document Number: 001-06620 Rev . *D Page 13 of 27 IDCODE The IDCODE instruction causes a vendor-specific 32-bit code to be loaded into the instruction register .
CY7C1 166V18, CY7C1 177V18 CY7C1 168V18, CY7C1 170V18 Document Number: 001-06620 Rev . *D Page 14 of 27 T AP Controller St ate Diagram Figure 2 shows the tap controller state diagram.
CY7C1 166V18, CY7C1 177V18 CY7C1 168V18, CY7C1 170V18 Document Number: 001-06620 Rev . *D Page 15 of 27 T AP Controller Blo ck Diagram Figure 3. T a p Controller Block Diagram T AP Electrical Characteristics The T ap Electrical Characteristics table over the operating range follows.
CY7C1 166V18, CY7C1 177V18 CY7C1 168V18, CY7C1 170V18 Document Number: 001-06620 Rev . *D Page 16 of 27 T AP AC Switchi ng Characteristics The T ap AC Switching Characteristi cs over the operatin g range follows.
CY7C1 166V18, CY7C1 177V18 CY7C1 168V18, CY7C1 170V18 Document Number: 001-06620 Rev . *D Page 17 of 27 Identification Regi ster Definitions Instruction Field Va l u e Description CY7C1 166V18 CY7C1 177V18 CY7C1 168V18 CY7C 1 170V18 Revision Number (31:29) 000 000 000 000 V ersion number .
CY7C1 166V18, CY7C1 177V18 CY7C1 168V18, CY7C1 170V18 Document Number: 001-06620 Rev . *D Page 18 of 27 Boundary Scan Order Bit # Bump ID Bit # Bump ID Bit # Bump ID Bit # Bump ID 0 6R 27 1 1H 54 7B 8.
CY7C1 166V18, CY7C1 177V18 CY7C1 168V18, CY7C1 170V18 Document Number: 001-06620 Rev . *D Page 19 of 27 Power Up Sequence in DDR-II+ SRAM DDR-II+ SRAMs must be powered up and initialize d in a predefined manner to prevent undefined opera tions. During power up, when the DOFF is tie d HIGH, the DLL gets locked after 2048 cycles of stable clock.
CY7C1 166V18, CY7C1 177V18 CY7C1 168V18, CY7C1 170V18 Document Number: 001-06620 Rev . *D Page 20 of 27 Maximum Ratin gs Exceeding maximum ratings may shorten the useful life of the device. User gui d el i ne s are not tested. S torage T emperature ..
CY7C1 166V18, CY7C1 177V18 CY7C1 168V18, CY7C1 170V18 Document Number: 001-06620 Rev . *D Page 21 of 27 Cap acit ance T ested initially and after any design or proc ess change that may affect these parameters. Parameter Descriptio n T est Conditions Max Unit C IN Input Capacitance T A = 25 ° C, f = 1 MHz, V DD = 1.
CY7C1 166V18, CY7C1 177V18 CY7C1 168V18, CY7C1 170V18 Document Number: 001-06620 Rev . *D Page 22 of 27 Switching Characteristics Over the operating range [20, 21] Cypress Parameter Consortium Paramet.
CY7C1 166V18, CY7C1 177V18 CY7C1 168V18, CY7C1 170V18 Document Number: 001-06620 Rev . *D Page 23 of 27 Switching W aveform Read/Write /Deselect Sequence Figure 7.
CY7C1 166V18, CY7C1 177V18 CY7C1 168V18, CY7C1 170V18 Document Number: 001-06620 Rev . *D Page 24 of 27 Ordering Information Not all of the speed, package and temperature ranges are a v ailable. Contact your local sales representative or visit www .cypress.
CY7C1 166V18, CY7C1 177V18 CY7C1 168V18, CY7C1 170V18 Document Number: 001-06620 Rev . *D Page 25 of 27 333 CY7C1 166V18 -333BZC 51-85180 165 -Ball Fi ne Pitch Ball Grid Array (13 x 15 x 1.4 mm) Commercial CY7C1 177V18-333BZC CY7C1 168V18-333BZC CY7C1 170V18-333BZC CY7C1 166V18-333BZXC 51-85180 165-Ball Fine Pitch Ball Grid Array (13 x 15 x 1.
CY7C1 166V18, CY7C1 177V18 CY7C1 168V18, CY7C1 170V18 Document Number: 001-06620 Rev . *D Page 26 of 27 Package Diagram Figure 8. 165-Ball FBGA (13 x 15 x 1.4 mm), 51-8 5180 A 1 PIN 1 CORNER 15.00±0.10 13.00±0.10 7.00 1.00 Ø0.50 (165X) Ø0.25 M C A B Ø0.
Document Number: 001-06620 Rev . *D Revised March 06, 2008 Page 27 of 27 QDR™ is a trademark of Cypress Semicond uctor Corp. QDR RAMs and Quad Data Rate RAMs comprise a new family of prod ucts developed by Cypress, IDT , NEC, Renesas, and Samsung.
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 CY7C1166V18 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 CY7C1166V18 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Cypress CY7C1166V18 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Cypress CY7C1166V18 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Cypress CY7C1166V18, 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 CY7C1166V18.
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 CY7C1166V18. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Cypress CY7C1166V18 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.
