Manuale d’uso / di manutenzione del prodotto CY7C1303BV25 del fabbricante Cypress Semiconductor
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18-Mbit Burst of 2 Pipelined SRAM with Q DR™ Ar c hi tectu r e CY7C1306BV25 CY7C1303BV25 Cypress Semiconductor Corpora tion • 198 Champion Cou rt • San Jose , CA 95134-1 709 • 408-943-2 600 Document #: 38-05627 Rev .
CY7C1306BV25 CY7C1303BV25 Document #: 38-05627 Rev . *A Page 2 of 19 512Kx18 CLK A (18:0) Gen. K K Control Logic Address Register D [17:0] Read Add. Decode Read Data Reg. RPS WPS Q [17:0] Control Logic Address Register Reg. Reg. Reg. 18 19 18 36 Wri te 18 BWS 0 Vr e f Write Add.
CY7C1306BV25 CY7C1303BV25 Document #: 38-05627 Rev . *A Page 3 of 19 Pin Configuration 165-ball FBGA (13 x 15 x 1.4 mm ) Pinout CY7C1303BV25 (1M x 18 ) 1 2 3456 7 8 9 1 0 1 1 A NC Gnd/ 144M NC/ 36M WP.
CY7C1306BV25 CY7C1303BV25 Document #: 38-05627 Rev . *A Page 4 of 19 Pin Definitions Name I/O Description D [x:0] Input- Synchronous Data input signals, sampled on the rising edge of K and K clocks during valid write opera- tions. CY7C1303BV25 – D [17:0] CY7C1306BV25 – D [35:0] WPS Input- Synchronous Write Port Select, active LOW .
CY7C1306BV25 CY7C1303BV25 Document #: 38-05627 Rev . *A Page 5 of 19 Introduction Functional Overview The CY7C1303BV25/CY7C1306BV25 are synchro nous pipelined Burst SRAM equ ipped with both a Read port an d a Write port. The Read port is dedicated to Read operations and the Write port is dedicated to Write operations.
CY7C1306BV25 CY7C1303BV25 Document #: 38-05627 Rev . *A Page 6 of 19 operation is identi cal to the operation if the device had zero skew between the K/K and C/C clocks. All timing parameters remain the same i n thi s mo de . T o use this mode of ope r a ti on , the user must tie C and C HIGH at power-up.
CY7C1306BV25 CY7C1303BV25 Document #: 38-05627 Rev . *A Page 7 of 19 Write Desc riptions (CY7C1303BV25) [2 , 8] BWS 0 BWS 1 KK Comment s L L L-H - During the Data portion of a W ri te sequence, both bytes (D [17:0] ) are written into the device.
CY7C1306BV25 CY7C1303BV25 Document #: 38-05627 Rev . *A Page 8 of 19 IEEE 1 149.1 Serial Boundary Scan (JT AG) These SRAMs incorporate a serial bo undary scan test access port (T AP) in the FBGA package. This part is fully compliant with IEEE S tandard #1 149.
CY7C1306BV25 CY7C1303BV25 Document #: 38-05627 Rev . *A Page 9 of 19 is loaded into the instruction register upon power-up or whenever the T AP controller is given a test logic reset state.
CY7C1306BV25 CY7C1303BV25 Document #: 38-05627 Rev . *A Page 10 of 19 T AP Controller S tate Diagram [9] Note: 9. The 0/1 next to each state re present s the value at TMS at the rising edge of TCK.
CY7C1306BV25 CY7C1303BV25 Document #: 38-05627 Rev . *A Page 1 1 of 19 T AP Controller Block Diagram T AP Electrical Characteristi cs Over the Operating Rang e [10, 14, 17] Parameter Description T est Conditions Min. Max. Unit V OH1 Output HIGH V oltage I OH = − 2.
CY7C1306BV25 CY7C1303BV25 Document #: 38-05627 Rev . *A Page 12 of 19 Output Times t TDOV TCK Clock LOW to TDO V alid 20 ns t TDOX TCK Clock LOW to TDO Invalid 0 ns T AP T iming and T est Conditions [1 2] T AP AC Switching Characte ristics Over the Operating Range [1 1, 12] (continued) Parameter Description Min.
CY7C1306BV25 CY7C1303BV25 Document #: 38-05627 Rev . *A Page 13 of 19 Scan Register Sizes Register Name Bit Size Instruction 3 Bypass 1 ID 32 Boundary Scan 107 Instruction Codes Instruction Code Description EXTEST 000 Captures the In put/Output ring contents.
CY7C1306BV25 CY7C1303BV25 Document #: 38-05627 Rev . *A Page 14 of 19 Boundary Scan Order Bit # Bump ID Bit # Bump ID Bit # Bump ID Bit # Bump ID 0 6R 27 11 H 54 7B 81 3G 1 6P 28 10G 55 6B 82 2G 2 6N .
CY7C1306BV25 CY7C1303BV25 Document #: 38-05627 Rev . *A Page 15 of 19 Maximum Ratings (Above which the useful life may be impaired.) S torage T emperature ............. .............. ..... –65°C to + 150°C Ambient T emperature with Power Applied .
CY7C1306BV25 CY7C1303BV25 Document #: 38-05627 Rev . *A Page 16 of 19 Cap acit ance [23] Parameter Description T est Conditions Max. Unit C IN Input Capacitance T A = 25°C, f = 1 MHz, V DD = 2.
CY7C1306BV25 CY7C1303BV25 Document #: 38-05627 Rev . *A Page 17 of 19 Switching W aveforms [25, 26, 27] Notes: 24. t CHZ , t CLZ , are specified with a load capa cit ance of 5 pF as in part (b) of AC T est Loads. Transition is m easured ± 100 mV from steady-st ate voltag e.
CY7C1306BV25 CY7C1303BV25 Document #: 38-05627 Rev . *A Page 18 of 19 © Cypress Semi con duct or Cor po rati on , 20 06 . The information con t a in ed he re i n is su bject to change wi t hou t n oti ce.
CY7C1306BV25 CY7C1303BV25 Document #: 38-05627 Rev . *A Page 19 of 19 Document History Page Document Title: CY7C1303BV25/CY7C1306BV25 18 -Mbit Burs t of 2 Pipelined SRAM with QDR™ Architecture Document Number: 38-05627 REV . ECN NO. Issue Date Orig.
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 Semiconductor CY7C1303BV25 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 Semiconductor CY7C1303BV25 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Cypress Semiconductor CY7C1303BV25 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Cypress Semiconductor CY7C1303BV25 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Cypress Semiconductor CY7C1303BV25, 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 Semiconductor CY7C1303BV25.
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 Semiconductor CY7C1303BV25. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Cypress Semiconductor CY7C1303BV25 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.