Manuale d’uso / di manutenzione del prodotto CY7C1347G del fabbricante Cypress Semiconductor
Vai alla pagina of 22
CY7C1347G 4-Mbit (128K x 36) Pipelined Sync SRAM Cypress Semiconductor Corpora tion • 198 Champion Court • San Jose , CA 95134-1709 • 408-943-2600 Document #: 38-05516 Rev . *F Revised January 15, 2009 Features ■ Fully registered inputs and outputs for pipelined operation ■ 128K x 36 comm on IO arc hitecture ■ 3.
CY7C1347G Document #: 38-05516 Rev . *F Page 2 of 22 Block Diagram ADDRESS REGISTER ADV CLK BURST COUNTER AND LOGIC CLR Q1 Q0 ADSP ADSC MODE BWE GW CE 1 CE 2 CE 3 OE ENABLE REGISTER OUTPUT REGISTERS S.
CY7C1347G Document #: 38-05516 Rev . *F Page 3 of 22 Pinout s A A A A A 1 A 0 NC/72M NC/36M V SS V DD NC/18M NC/9M A A A A A A A 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.
CY7C1347G Document #: 38-05516 Rev . *F Page 4 of 22 Pinout s (continued) 2 34 5 6 7 1 A B C D E F G H J K L M N P R T U V DDQ NC/288M NC/144M DQP C DQ C DQ D DQ C DQ D AA A A ADSP V DDQ CE 2 A DQ C V.
CY7C1347G Document #: 38-05516 Rev . *F Page 5 of 22 T ab le 1. Pin Definitions Name IO Description A 0 ,A 1 ,A Input- Synchronous Address Input s Used to Select One of the 128K Address Locations . Sampled at the rising ed ge of the CLK if ADSP or ADSC is active LOW , and CE 1 , CE 2 , and CE 3 are sampled active.
CY7C1347G Document #: 38-05516 Rev . *F Page 6 of 22 Functional Overview All synchronous inputs pass through input registe rs controlled by the rising edge of the clock. All data outputs pass through output registers controlled by th e ri sing ed ge of the clock.
CY7C1347G Document #: 38-05516 Rev . *F Page 7 of 22 T able 2. Interleaved Burst Sequence First Address Second Address Thir d Address Fourth Address A [1:0] A [1:0] A [1:0] A [1:0] 00 01 10 1 1 01 00 1 1 10 10 1 1 00 01 1 1 10 01 00 T able 3.
CY7C1347G Document #: 38-05516 Rev . *F Page 8 of 22 Write Cycle, Conti nue Burst Next X X X L H H L L X L-H D Write Cycle, Conti nue Burst Next H X X L X H L L X L-H D Read Cycle, Suspend Burst Curre.
CY7C1347G Document #: 38-05516 Rev . *F Page 9 of 22 Maximum Ratin gs Exceeding the maximum ratings may shorten the battery life of the device. User gui d el i n es ar e not tested. S torage T emperature ... ......... ......... ........... ..... − 65 ° C to +150 ° C Ambient T emperature with Power Applied .
CY7C1347G Document #: 38-05516 Rev . *F Page 10 of 22 I SB3 Automatic CE Power Down Current—CMOS Inputs Max. V DD , Device Dese lected, or V IN < 0.3V or V IN > V DDQ – 0.3V f = f MAX = 1/t CYC 4 ns cycle, 250 MHz 105 mA 5 ns cycle, 200 MHz 95 mA 6 ns cycle, 166 MHz 85 mA 7.
CY7C1347G Document #: 38-05516 Rev . *F Page 1 1 of 22 Switching Characteristics Over the Operatin g Range [14, 15 ] Parameter Description –250 –200 –166 –133 Unit Min Max Min Max Min Ma x Min Max t POWER V DD (T ypical) to the first Access [10] 11 1 1 m s Clock t CYC Clock Cycle T i me 4.
CY7C1347G Document #: 38-05516 Rev . *F Page 12 of 22 Switching W aveforms Figure 5. Read Cycle Timing [16] 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, BW [A:D] 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.
CY7C1347G Document #: 38-05516 Rev . *F Page 13 of 22 Figure 6. Write Cycle Timing [16, 17] Switching W aveforms (continued) t CYC t CL CLK ADSP t ADH t ADS ADDRESS t CH OE ADSC CE t AH t AS A1 t CEH .
CY7C1347G Document #: 38-05516 Rev . *F Page 14 of 22 Figure 7. Read/Write Cycle Timing [16, 18, 19] Switching W aveforms (continued) t CYC t CL CLK ADSP t ADH t ADS ADDRESS t CH OE ADSC CE t AH t AS .
CY7C1347G Document #: 38-05516 Rev . *F Page 15 of 22 Figure 8. ZZ Mode Timing [20, 21] 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 20.
CY7C1347G Document #: 38-05516 Rev . *F Page 16 of 22 Ordering Information The following table lists all possible speed, package a nd temperat ure rang e options supported for these devices. Note that so me options listed ma y not be available for order entry .
CY7C1347G Document #: 38-05516 Rev . *F Page 17 of 22 250 CY7C1347G-250 AXC 51-85050 100-Pin Thin Quad Flat Pack (14 x 20 x 1.4 mm) Pb-Free Commercial CY7C1347G-250BGC 51-851 15 1 1 9-Ball Bal l Grid Array (14 x 22 x 2.4 mm) CY7C1347G-250BGXC 1 1 9-Ball Bal l Grid Array (14 x 22 x 2.
CY7C1347G Document #: 38-05516 Rev . *F Page 18 of 22 Package Diagrams Figure 9. 100-Pin Thin Plastic Quad Flatpac k (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.
CY7C1347G Document #: 38-05516 Rev . *F Page 19 of 22 Figure 10. 1 19-Ball BGA (14 x 22 x 2.4 mm), 51 -85 1 15 Package Diagrams (continued) 51-851 15 *B [+] Feedback.
CY7C1347G Document #: 38-05516 Rev . *F Page 20 of 22 Figure 11. 165-Ball FBGA (13 x 15 x 1.4 mm), 51-85180 Package Diagrams (continued) 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 Ø0.05 M C B A 0.15(4X) 0.35±0.06 SEATING PLANE 0.
CY7C1347G Document #: 38-05516 Rev . *F Page 21 of 22 Document History Page Document Title: CY7C1347G 4-Mbit (128K x 36) Pipeline d Syn c SRAM Document Number: 38-05516 REV .
Document #: 38-05516 Rev . *F Revised January 15, 20 09 Page 22 of 22 All product s and comp any names me ntioned in this document may be the t rademarks of the ir respecti ve holders. CY7C1347G © Cypress Semicondu ctor Corpor ation, 2004-2009. The informatio n contai ned herei n is subject to chan ge without no tice.
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 CY7C1347G 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 CY7C1347G - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Cypress Semiconductor CY7C1347G imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Cypress Semiconductor CY7C1347G ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Cypress Semiconductor CY7C1347G, 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 CY7C1347G.
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 CY7C1347G. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Cypress Semiconductor CY7C1347G 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.
