Instruction/ maintenance manual of the product CY7C141 Cypress
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CY7C130, CY7C130A CY7C131, CY7C131A CY7C140, CY7C141 1K x 8 Dual-Port S t atic RAM Cypress Semiconducto r Corporation • 198 Champion Court • San Jose , CA 95134-1709 • 408-943-2600 Document #: 38-06002 Rev .
CY7C130, CY7C130A CY7C131, CY7C131A CY7C140, CY7C141 Document #: 38-06002 Rev . *E Page 2 of 19 Pin Configurations Figure 1. Pin Diagram - DIP (T op View) Figure 2.
CY7C130, CY7C130A CY7C131, CY7C131A CY7C140, CY7C141 Document #: 38-06002 Rev . *E Page 3 of 19 Pin Definitions Left Port Right Port Description CE L CE R Chip Enable R/W L R/W R Read/Write Enable OE .
CY7C130, CY7C130A CY7C131, CY7C131A CY7C140, CY7C141 Document #: 38-06002 Rev . *E Page 4 of 19 Maximum Ratin gs [5] Exceeding maximum ratings may shorten the useful life of the device. User gui d elines are not tested. S torage T e mperature ........
CY7C130, CY7C130A CY7C131, CY7C131A CY7C140, CY7C141 Document #: 38-06002 Rev . *E Page 5 of 19 Cap acit ance [10] Parameter Description T est Conditi o ns Max Unit C IN Input Capacitance T A = 25 ° C, f = 1 MHz, V CC = 5.0V 15 pF C OUT Output Capacitance 10 pF Figure 4.
CY7C130, CY7C130A CY7C131, CY7C131A CY7C140, CY7C141 Document #: 38-06002 Rev . *E Page 6 of 19 Switching Characteristics Over the Operating Range [7, 12] Parameter Description 7C131-15 [4] 7C131A-15 .
CY7C130, CY7C130A CY7C131, CY7C131A CY7C140, CY7C141 Document #: 38-06002 Rev . *E Page 7 of 19 Busy/Interru pt Timing t BLA BUSY LOW from Address Match 15 20 20 ns t BHA BUSY HIGH from Address Mismat.
CY7C130, CY7C130A CY7C131, CY7C131A CY7C140, CY7C141 Document #: 38-06002 Rev . *E Page 8 of 19 Switching Characteristics Over the Operating Range [7,12] Parameter Description 7C130-35 7C131-35 7C140-.
CY7C130, CY7C130A CY7C131, CY7C131A CY7C140, CY7C141 Document #: 38-06002 Rev . *E Page 9 of 19 Switching W aveforms Figure 5. Read Cycle No. 1 [20, 21] Figure 6. Read Cycle No. 2 [20, 22] Figure 7. Read Cycle No. 3 [21] Notes 20. R/W is HIGH fo r read cycle.
CY7C130, CY7C130A CY7C131, CY7C131A CY7C140, CY7C141 Document #: 38-06002 Rev . *E Page 10 of 19 Figure 8. Write Cycle No. 1 (OE Three-St ates Data I/Os—Either Port [16, 23] Figure 9.
CY7C130, CY7C130A CY7C131, CY7C131A CY7C140, CY7C141 Document #: 38-06002 Rev . *E Page 1 1 of 19 Figure 10. Busy Timing Diagram No. 1 (CE Arbitration) Figure 1 1.
CY7C130, CY7C130A CY7C131, CY7C131A CY7C140, CY7C141 Document #: 38-06002 Rev . *E Page 12 of 19 Figure 12. B usy Timing Diagram No. 3 Switching W aveforms (continued) t PWE t WB t WH Write with BUSY .
CY7C130, CY7C130A CY7C131, CY7C131A CY7C140, CY7C141 Document #: 38-06002 Rev . *E Page 13 of 19 Figure 13. Interrup t Timing Diagrams Switching W aveforms (continued) WRITE 3FF t INS t WC t EINS Righ.
CY7C130, CY7C130A CY7C131, CY7C131A CY7C140, CY7C141 Document #: 38-06002 Rev . *E Page 14 of 19 T ypical DC and AC Characteristics 1.4 1.0 0.4 4.0 4.5 5.0 5.5 6.0 –55 25 125 1.2 1.0 120 100 80 60 40 20 0 1.0 2.0 3.0 4.0 OUTPUT SOURCE CURRENT (mA) SUPPL Y VOL T AGE (V) NORMALIZED SUPPL Y CURRENT vs.
CY7C130, CY7C130A CY7C131, CY7C131A CY7C140, CY7C141 Document #: 38-06002 Rev . *E Page 15 of 19 Ordering Information Spee d (ns) Ordering Co de Package Name Package T ype Operating Range 30 CY7C130-3.
CY7C130, CY7C130A CY7C131, CY7C131A CY7C140, CY7C141 Document #: 38-06002 Rev . *E Page 16 of 19 35 CY7C140-35PC P25 48-Pin (600 Mil) Molde d DIP Commercial CY7C140-35PI P25 48-Pin (600 Mil) Molde d D.
CY7C130, CY7C130A CY7C131, CY7C131A CY7C140, CY7C141 Document #: 38-06002 Rev . *E Page 17 of 19 Package Diagrams Figure 14. 48-Pin (600 Mil) Sidebraze DIP D26 Figure 15. 52-Pin Pb-Free Plastic Leaded Chip Ca rrier J69 MIL-STD-1835 D-14 Config. C 51-80044 ** DIMENSIONS IN INCHES MIN.
CY7C130, CY7C130A CY7C131, CY7C131A CY7C140, CY7C141 Document #: 38-06002 Rev . *E Page 18 of 19 Figure 16. 48-Pin (600 Mil) Molded DIP P25 Figure 17. 52-Pin Pb-F ree Plastic Quad Fl atp ack N52 Packa.
Document #: 38-06002 Rev . *E Revised December 09, 2008 Page 19 of 19 All products and c ompany names men tioned in th is document m ay be the tr ademarks o f t h eir respect i v e holders. CY7C130, CY7C130A CY7C131, CY7C131A CY7C140, CY7C141 © Cypress Semicondu ctor Corpor ation, 2001-200 8.
An important point after buying a device Cypress CY7C141 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
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If you already are a holder of Cypress CY7C141, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Cypress CY7C141.
However, one of the most important roles played by the user manual is to help in solving problems with Cypress CY7C141. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Cypress CY7C141 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center