Manuale d’uso / di manutenzione del prodotto CY7C1464AV25 del fabbricante Cypress
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36-Mbit (1M x 36/2M x 18/512K x 72) Pipelined SRAM with NoBL™ Architecture CY7C1460A V25 CY7C1462A V25 CY7C1464A V25 Cypress Semiconductor Corpora tion • 198 Champion Cou rt • San Jose , CA 95134-1 709 • 408-943-2 600 Document #: 38-05354 Rev .
CY7C1460A V25 CY7C1462A V25 CY7C1464A V25 Document #: 38-05354 Rev . *D Page 2 of 27 Selection Guide 250 MHz 200 MHz 167 MHz Unit Maximum Access T i me 2.
CY7C1460A V25 CY7C1462A V25 CY7C1464A V25 Document #: 38-05354 Rev . *D Page 3 of 27 Pin Configurations A A A A A 1 A 0 V SS V DD A A A A A A V DDQ V SS DQb DQb DQb V SS V DDQ DQb DQb V SS NC V DD DQa.
CY7C1460A V25 CY7C1462A V25 CY7C1464A V25 Document #: 38-05354 Rev . *D Page 4 of 27 Pin Configurations (continued) 23 4 567 1 A B C D E F G H J K L M N P R TDO NC/576M NC/1G DQP c DQ c DQP d NC DQ d .
CY7C1460A V25 CY7C1462A V25 CY7C1464A V25 Document #: 38-05354 Rev . *D Page 5 of 27 Pin Configurations (continued) A B C D E F G H J K L M N P R T U V W 123456789 1 1 10 DQg DQg DQg DQg DQg DQg DQg D.
CY7C1460A V25 CY7C1462A V25 CY7C1464A V25 Document #: 38-05354 Rev . *D Page 6 of 27 CE 1 Input- Synchronous Chip Enable 1 Inp ut, active LOW . Sampled on the rising edge of CLK. Used in conjunction wi th CE 2 and CE 3 to select/deselect the device. CE 2 Input- Synchronous Chip Enable 2 Input, active HIGH .
CY7C1460A V25 CY7C1462A V25 CY7C1464A V25 Document #: 38-05354 Rev . *D Page 7 of 27 Functional Overview The CY7C1460A V25/CY7C1462A V25/CY7C1464A V25 are synchronous-pipel ined Burst NoBL SRAMs designed specifi- cally to eliminate wait states during Write/Read transitions.
CY7C1460A V25 CY7C1462A V25 CY7C1464A V25 Document #: 38-05354 Rev . *D Page 8 of 27 CY7C1460A V25, BW a,b,c,d for CY7C1460A V25 and BW a,b for CY7C1462A V25) inputs must be driven in each cycle of the burst write in order to writ e the correc t bytes of data.
CY7C1460A V25 CY7C1462A V25 CY7C1464A V25 Document #: 38-05354 Rev . *D Page 9 of 27 Partial Write Cycle Description [1, 2, 3, 8] Function (CY7C1460A V25) WE BW d BW c BW b BW a Read H X X X X Write .
CY7C1460A V25 CY7C1462A V25 CY7C1464A V25 Document #: 38-05354 Rev . *D Page 10 of 27 IEEE 1 149.1 Serial Boundary Scan (JT AG) The CY7C1460A V25/CY7C1462A V25/CY7C1464A V25 incor- porates a serial boundary scan test access port (T AP). This part is fully compliant with 1 149.
CY7C1460A V25 CY7C1462A V25 CY7C1464A V25 Document #: 38-05354 Rev . *D Page 1 1 of 27 When the T AP controller is in the Capture-IR state, the two least significant bits are loaded with a binary “01” pattern to allow for fault isolation of the board -level serial test data path.
CY7C1460A V25 CY7C1462A V25 CY7C1464A V25 Document #: 38-05354 Rev . *D Page 12 of 27 When this scan cell, called the “extest outpu t bus tri-state,” is latched into the prel oad register during t.
CY7C1460A V25 CY7C1462A V25 CY7C1464A V25 Document #: 38-05354 Rev . *D Page 13 of 27 2.5V T AP AC T est Conditions Input pulse levels ........... ........... .............. ........... V SS to 2.5V Input rise and fall time . ......... .. ... ........
CY7C1460A V25 CY7C1462A V25 CY7C1464A V25 Document #: 38-05354 Rev . *D Page 14 of 27 Scan Register Sizes Register Name Bit Size (x36) Bit Size (x18) Bit Size (x72) Instruction 3 3 3 Bypass 1 1 1 ID 3.
CY7C1460A V25 CY7C1462A V25 CY7C1464A V25 Document #: 38-05354 Rev . *D Page 15 of 27 165-ball FBGA Boundary Scan Order [12] CY7C1460A V25 (1M x 36), CY7C1462A V25 (2M x 18) Bit# Ball ID Bit# Ball ID .
CY7C1460A V25 CY7C1462A V25 CY7C1464A V25 Document #: 38-05354 Rev . *D Page 16 of 27 209-ball FBGA Boundary Scan Order [12, 13] CY7C1464A V25 (512K x 72) Bit# Ball ID Bit# Ball ID Bit# Ball ID Bit# B.
CY7C1460A V25 CY7C1462A V25 CY7C1464A V25 Document #: 38-05354 Rev . *D Page 17 of 27 Maximum Ratings (Above which the useful life may be impaired. For user guide- lines, not tested.) S torage T emperature ............. .............. ...... –65°C to +150°C Ambient T emperature with Power Applied .
CY7C1460A V25 CY7C1462A V25 CY7C1464A V25 Document #: 38-05354 Rev . *D Page 18 of 27 Cap acit ance [16] Parameter Description T est Conditions 100 TQFP Max. 165 FBGA Max. 209 FBGA Max. Unit C IN Input Capacitance T A = 25°C, f = 1 MHz, V DD = 2.5V V DDQ = 2.
CY7C1460A V25 CY7C1462A V25 CY7C1464A V25 Document #: 38-05354 Rev . *D Page 19 of 27 Switching Characteristics Over the Operating Range [21, 22] Parameter Descriptio n –250 –200 –167 Unit Min. Max. Min. Max. Min. Max. t Power [17] V CC (typical) to the first access read or write 1 1 1 ms Clock t CYC Clock Cycle T ime 4.
CY7C1460A V25 CY7C1462A V25 CY7C1464A V25 Document #: 38-05354 Rev . *D Page 20 of 27 Switching W aveforms Read/Write/T iming [23, 2 4, 25] NOP , ST ALL and DESELECT Cycles [23, 24, 26] Notes: 23. For this waveform ZZ is tied low . 24. When CE is LOW , CE 1 is LOW , CE 2 is HIGH and CE 3 is LOW .
CY7C1460A V25 CY7C1462A V25 CY7C1464A V25 Document #: 38-05354 Rev . *D Page 21 of 27 ZZ Mode T iming [27, 28] Notes: 27. Device must be deselected when ente ring ZZ mode. See cycle descr iption t able for all possible signal condit ions to deselect the device.
CY7C1460A V25 CY7C1462A V25 CY7C1464A V25 Document #: 38-05354 Rev . *D Page 22 of 27 Ordering Information Not all of the speed, package and temperature ranges ar e available. Please con t act your local sales repr esentative or visit www .cyp ress.com for a ctual produc ts offered.
CY7C1460A V25 CY7C1462A V25 CY7C1464A V25 Document #: 38-05354 Rev . *D Page 23 of 27 250 CY7C1460A V25-250AXC 51-85050 100-Pin Thin Quad Flat Pack (14 x 20 x 1.4 mm) Lead-Free Commercial CY7C1462A V25-250AXC CY7C1460A V25-250BZC 51-85165 16 5-bal l Fine-P itch Ball Grid Array (15 x 17 x 1.
CY7C1460A V25 CY7C1462A V25 CY7C1464A V25 Document #: 38-05354 Rev . *D Page 24 of 27 Package Diagrams 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 0.0098 in (0.
CY7C1460A V25 CY7C1462A V25 CY7C1464A V25 Document #: 38-05354 Rev . *D Page 25 of 27 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 Ø0.05 M C B A 0.15(4X) 0.35 1.40 MAX. SEATING PLANE 0.
CY7C1460A V25 CY7C1462A V25 CY7C1464A V25 Document #: 38-05354 Rev . *D Page 26 of 27 © 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.
CY7C1460A V25 CY7C1462A V25 CY7C1464A V25 Document #: 38-05354 Rev . *D Page 27 of 27 Document History Page Document Title: CY7C146 0A V25/CY7C1462A V25/CY7C1464A V25 36 -Mbit (1-Mbit x 36/2-Mbit x 18/512K x 72) Pipelined SRAM with NoBL™ Architecture Document Number: 38-05354 REV .
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 CY7C1464AV25 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 CY7C1464AV25 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Cypress CY7C1464AV25 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Cypress CY7C1464AV25 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Cypress CY7C1464AV25, 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 CY7C1464AV25.
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 CY7C1464AV25. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Cypress CY7C1464AV25 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.
