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CY7C09099V-7AXI Datasheet(PDF) 7 Page - Cypress Semiconductor |
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CY7C09099V-7AXI Datasheet(HTML) 7 Page - Cypress Semiconductor |
7 / 28 page CY7C09089V/99V CY7C09179V/99V Document #: 38-06043 Rev. *F Page 7 of 28 Selection Guide Description CY7C09179V -6[10] CY7C09099V -7[10] CY7C09199V -9 CY7C09089V/99V CY7C09179V -12 fMAX2 (MHz) (Pipelined) 100 83 67 50 Max. Access Time (ns) (Clock to Data, Pipelined) 6.5 7.5 9 12 Typical Operating Current ICC (mA) 175 155 135 115 Typical Standby Current for ISB1 (mA) (Both Ports TTL Level) 25 25 20 20 Typical Standby Current for ISB3 (A) (Both Ports CMOS Level) 10 10 10 10 Pin Definitions Left Port Right Port Description A0L–A16L A0R–A16R Address Inputs (A0–A14 for 32K; A0–A15 for 64K; and A0–A16 for 128K devices). ADSL ADSR Address Strobe Input. Used as an address qualifier. This signal should be asserted LOW to access the part using an externally supplied address. Asserting this signal LOW also loads the burst counter with the address present on the address pins. CE0L, CE1L CE0R, CE1R Chip Enable Input. To select either the left or right port, both CE0 AND CE1 must be asserted to their active states (CE0 VIL and CE1 VIH). CLKL CLKR Clock Signal. This input can be free running or strobed. Maximum clock input rate is fMAX. CNTENL CNTENR Counter Enable Input. Asserting this signal LOW increments the burst address counter of its respective port on each rising edge of CLK. CNTEN is disabled if ADS or CNTRST are asserted LOW. CNTRSTL CNTRSTR Counter Reset Input. Asserting this signal LOW resets the burst address counter of its respective port to zero. CNTRST is not disabled by asserting ADS or CNTEN. I/O0L–I/O8L I/O0R–I/O8R Data Bus Input/Output (I/O0–I/O7 for ×8 devices; I/O0–I/O8 for ×9 devices). OEL OER Output Enable Input. This signal must be asserted LOW to enable the I/O data pins during read operations. R/WL R/WR Read/Write Enable Input. This signal is asserted LOW to write to the dual port memory array. For read operations, assert this pin HIGH. FT/PIPEL FT/PIPER Flow-Through/Pipelined Select Input. For flow-through mode operation, assert this pin LOW. For pipelined mode operation, assert this pin HIGH. GND Ground Input. NC No Connect. VCC Power Input. Note 10. See page 9 and page 10 for Load Conditions. [+] Feedback |
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