Cypress CY7C140 manuals
Computer Equipment > Computer Hardware
When we buy new device such as Cypress CY7C140 we often through away most of the documentation but the warranty.
Very often issues with Cypress CY7C140 begin only after the warranty period ends and you may want to find how to repair it or just do some service work.
Even oftener it is hard to remember what does each function in Computer Hardware Cypress CY7C140 is responsible for and what options to choose for expected result.
Fortunately you can find all manuals for Computer Hardware on our side using links below.
19 pages 516.75 Kb
CY7C130, CY7C130A CY7C131, CY7C131A CY7C140, CY7C141 1K x 8 Dual-Port Static RAM, Features Functional Description Logic Block DiagramDocument #: 38-06002 Rev. *E Page 2 of 19 2 Pin ConfigurationsFigure 1. Pin Diagram - DIP (Top View) Figure 2. Pin Diagram - PLCC (Top View) Figure 3. Pin Diagram - PQFP (Top View) 3 CY7C130, CY7C130A CY7C131, CY7C131APin Definitions Selection Guide 4 CY7C140, CY7C141Maximum RatingsElectrical Characteristics Operating Range 5 CapacitanceDocument #: 38-06002 Rev. *E Page 5 of 19 Parameter Description Test Conditions Max Unit C Input Capacitance T = 25C, f = 1 MHz, V = 5.0V 15 pF C Output Capacitance 10 pF Figure 4. AC Test Loads and Waveforms 7 CY7C130, CY7C130A CY7C131, CY7C131A CY7C140, CY7C1419 Document #: 38-06002 Rev. *E Page 9 of 19 Figure 5. Read Cycle No. 1 Either Port Address Access Figure 7. Read Cycle No. 3 Figure 6. Read Cycle No. 2 Either Port CE/OE Access Read with BUSY, Master: CY7C130 and CY7C131 10 Document #: 38-06002 Rev. *E Page 10 of 19 Figure 8. Write Cycle No. 1 (OE Three-States Data I/OsEither Port Figure 9. Write Cycle No. 2 (R/W Three-States Data I/OsEither Port) (continued) Either Port 11 Document #: 38-06002 Rev. *E Page 11 of 19 Figure 10. Busy Timing Diagram No. 1 (CE Arbitration) Valid First: Figure 11. Busy Timing Diagram No. 2 (Address Arbitration) (continued) CE Valid First: CE Left Address Valid First: Right Address Valid First: 13 CY7C130, CY7C130A CY7C131, CY7C131AFigure 13. Interrupt Timing Diagrams Document #: 38-06002 Rev. *E Page 13 of 19 (continued) Right Side Clears INT Right Side Sets INT Left Side Sets INT Left Side Clears INT 14 CY7C140, CY7C141Typical DC and AC Characteristics 16 Ordering InformationDocument #: 38-06002 Rev. *E Page 17 of 19 17 Package Diagrams 51-80044 ** Figure 14. 48-Pin (600 Mil) Sidebraze DIP D26 Figure 15. 52-Pin Pb-Free Plastic Leaded Chip Carrier J69MIL-STD-1835 D-14 Config. CDIMENSIONSIN INCHES MIN. MAX. 19 Document History PageSales, Solutions, and Legal Information Worldwide Sales and Design Support Products PSoC Solutions
Also you can find more Cypress manuals or manuals for other Computer Equipment.