CY7C027V/027AV/028V CY7C037AV/038V
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CY7C027V/027AV/028V CY7C037AV/038V V 32K/64K x 16/18 Dual-Port Static RAM • True dual-ported memory cells which allow simultaneous access of the same memory location • 32K x 16 organization CY7C027V/027AV [1] • 64K x 16 organization CY7C028V • 32K x 18 organization CY7C037AV • 64K x 18 organization CY7C038V • micron Complementary metal oxide semiconductor CMOS for optimum speed and power • High speed access 15, 20, and 25 ns • Low operating power • Active ICC = 115 mA typical • Standby ISB3 = 10 typical Logic Block Diagram R/WL UBL CE0L CE1L LBL OEL /17L I/O Control • Fully asynchronous operation • Automatic power-down • Expandable data bus to 32/36 bits or more using Master/Slave chip select when using more than one device • On-chip arbitration logic • Semaphores included to permit software handshaking between ports • INT flag for port-to-port communication • Separate upper-byte and lower-byte control • Dual chip enables • Pin select for Master or Slave • Commercial and Industrial temperature ranges • 100-pin Pb-free Thin quad plastic flatpack TQFP and 100-pin TQFP I/O Control R/WR UBR CE0R CE1R LBR OER /15L 15/16 Address Decode True Dual-Ported RAM Array 15/16 R/WL SEML [5] BUSYL Notes INTL UBL LBL CY7C027V, and CY7C027AV are functionally identical. for x16 devices for x18 devices. for x16 devices for x18 devices. for 32K for 64K devices. BUSY is an output in master mode and an input in slave mode. Interrupt Semaphore Arbitration Address Decode 15/16 15/16 R/WR SEMR BUSYR INTR UBR LBR • San Jose, CA 95134-1709 • 408-943-2600 [+] Feedback CY7C027V/027AV/028V CY7C037AV/038V Contents Timing 9 Switching Waveforms 10 Ordering Information 17 32K x16 V Asynchronous Dual-Port SRAM 17 64K x16 V Asynchronous Dual-Port SRAM 17 32K x18 V Asynchronous Dual-Port SRAM 17 64K x18 V Asynchronous Dual-Port SRAM 17 Ordering Code Definition 18 Package Diagram 19 Acronyms 20 Document Conventions 20 Units of Measure 20 Document History Page 21 Sales, Solutions, and Legal Information 22 Worldwide Sales and Design Support 22 Products 22 PSoC Solutions 22 Page 2 of 22 [+] Feedback Pin Configurations CY7C027V/027AV/028V CY7C037AV/038V Figure 100-Pin TQFP Top View A8L A7L A6L A5L A4L A3L A2L A1L A0L NC INTL BUSYL GND M/S BUSYR INTR A0R A1R A2R A3R A4R A5R A6R A7R A8R A9L A10L A11L A12L A13L A14L [6] A15L NC LBL UBL CE0L CE1L SEML VCC R/WL OEL GND I/O15L I/O14L I/O13L I/O12L I/O11L I/O10L 100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 80 79 78 77 76 CY7C028V 64K x 16 CY7C027V/027AV 32K x 16 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 A9R A10R A11R A12R A13R A14R A15R [6] NC LBR UBR CE0R CE1R SEMR GND R/WR OER GND I/O15R I/O14R I/O13R I/O12R I/O11R I/O10R I/O9L I/O8L VCC I/O7L I/O6L I/O5L I/O4L I/O3L I/O2L GND I/O1L I/O0L GND I/O0R I/01R I/O2R I/O3R I/O4R I/O5R I/O6R VCC I/O7R I/O8R I/O9R Note This pin is NC for CY7C027V/027AV. Page 3 of 22 [+] Feedback CY7C027V/027AV/028V CY7C037AV/038V Pin Configurations continued Figure 100-Pin TQFP Top View A8L A7L A6L A5L A4L A3L A2L A1L A0L INTL BUSYL GND VCC M/S BUSYR INTR A0R A1R A2R A3R A4R A5R A6R A7R A9L A10L A11L A12L A13L A14L [7] A15L LBL UBL CE0L CE1L SEML R/WL OEL VCC GND I/O17L I/O16L GND I/O15L I/O14L I/O13L I/O12L I/O11L I/O10L 100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 80 79 78 77 76 CY7C038V 64K x 18 CY7C037AV 32K x 18 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 A8R A9R A10R A11R A12R A13R A14R A15R [7] LBR UBR CE0R CE1R SEMR R/WR GND OER GND I/O17R GND I/O16R I/O15R I/O14R I/O13R I/O12R I/O11R I/O9L I/O8L VCC I/O7L I/O6L I/O5L I/O4L I/O3L I/O2L GND I/O1L I/O0L GND I/O0R I/01R I/O2R I/O3R I/O4R I/O5R I/O6R VCC I/O7R I/O8R I/O9R I/O10R Selection Guide Parameter Maximum access time Typical operating current Typical standby current for ISB1 Both ports TTL level Typical standby current for ISB3 Both ports CMOS level -15 125 35 10 -20 120 35 10 Unit Note This pin is NC for CY7C037AV. Page 4 of 22 [+] Feedback CY7C027V/027AV/028V CY7C037AV/038V Pin Definitions Left Port CE0L, CE1L R/WL OEL SEML UBL LBL INTL BUSYL M/S VCC GND Right Port Ordering Information 32K x16 V Asynchronous Dual-Port SRAM Speed ns 15 Ordering Code CY7C027V-15AXC CY7C027V-15AXI CY7C027V-20AC CY7C027V-20AXC CY7C027V-25AC CY7C027V-25AI CY7C027V-25AXC CY7C027AV-25AXI Package Name A100 Package Type 100-Pin Pb-free Thin Quad Flat Pack 100-Pin Pb-free Thin Quad Flat Pack 100-Pin Thin Quad Flat Pack 100-Pin Pb-free Thin Quad Flat Pack 100-Pin Thin Quad Flat Pack 100-Pin Thin Quad Flat Pack 100-Pin Pb-free Thin Quad Flat Pack 100-Pin Pb-free Thin Quad Flat Pack 64K x16 V Asynchronous Dual-Port SRAM Speed ns 15 20 Ordering Code CY7C028V-15AXC CY7C028V-15AXI CY7C028V-20AC CY7C028V-20AXC CY7C028V-20AI CY7C028V-20AXI CY7C028V-25AC CY7C028V-25AXC Package Name A100 Package Type 100-Pin Pb-free Thin Quad Flat Pack 100-Pin Pb-free Thin Quad Flat Pack 100-Pin Thin Quad Flat Pack 100-Pin Pb-free Thin Quad Flat Pack 100-Pin Thin Quad Flat Pack 100-Pin Pb-free Thin Quad Flat Pack 100-Pin Thin Quad Flat Pack 100-Pin Pb-free Thin Quad Flat Pack 32K x18 V Asynchronous Dual-Port SRAM Speed ns 20 Ordering Code CY7C037AV-20AXC Package Name A100 Package Type 100-Pin Pb-free Thin Quad Flat Pack 64K x18 V Asynchronous Dual-Port SRAM Speed ns 20 Ordering Code CY7C038V-20AI CY7C038V-20AXI Package Name A100 Package Type 100-Pin Thin Quad Flat Pack 100-Pin Pb-free Thin Quad Flat Pack Operating Range Commercial Industrial Commercial Industrial Commercial Industrial Operating Range Commercial Industrial Commercial Industrial Commercial Operating Range Commercial Operating Range Industrial Page 17 of 22 [+] Feedback Ordering Code Definition CY 7C 0X X XX A X CY7C027V/027AV/028V CY7C037AV/038V Operating Range C = Commercial I = Industrial X Pb free RoHS Compliant Package A=TQFP Speed Grade 15ns/20ns/25ns X = V/AV V Depth 7=32K or 8=64K Width 02=x16 or 03=x18 7C = Dual Port SRAM Company ID CY = Cypress Page 18 of 22 [+] Feedback CY7C027V/027AV/028V CY7C037AV/038V Package Diagram Figure 100-Pin Pb-Free Thin Plastic Quad Flat Pack TQFP A100 51-85048 *D Page 19 of 22 [+] Feedback CY7C027V/027AV/028V CY7C037AV/038V Acronyms Acronym CMOS TQFP I/O SRAM Description complementary metal oxide semiconductor thin quad plastic flatpack input/output static random access memory Document Conventions Units of Measure Symbol ns V µA mA mV MHz pF W °C Unit of Measure nano seconds Volts micro Amperes milli Amperes Ohms milli Volts Mega Hertz pico Farad Watts degree Celcius Page 20 of 22 [+] Feedback CY7C027V/027AV/028V CY7C037AV/038V Document History Page Document Title CY7C027V/027AV/CY7C028V/037AV/038V V 32K/64K X 16/18 DUAL PORT STATIC RAM Document Number 38-06078 ECN No. Orig. of Submission Change Description of Change 237626 6/30/04 Converted data sheet from old spec 38-00670 to conform with new data sheet. Removed cross information from features section 259110 See ECN Added Pb-Free packaging information. 2623540 VKN/PYRS 12/17/08 Added CY7C027VN, CY7C027AV and CY7C037AV parts Updated Ordering information table 2897217 RAME 03/22/2010 Updated Ordering Information Updated Package Diagram 3093542 ADMU 11/25/2010 Removed information on CY7C027VN and CY7C037V Updated as per new template Added Acronyms and Units of Measure table Added Ordering Code Definition Updated all footnotes Page 21 of 22 [+] Feedback CY7C027V/027AV/028V CY7C037AV/038V Sales, Solutions, and Legal Information Worldwide Sales and Design Support Cypress maintains a worldwide network of offices, solution centers, manufacturer’s representatives, and distributors. To find the office closest to you, visit us at Cypress Locations. Products Automotive Clocks & Buffers Interface Lighting & Power Control Memory Optical & Image Sensing PSoC Touch Sensing USB Controllers Wireless/RF cypress.com/go/automotive cypress.com/go/clocks cypress.com/go/interface cypress.com/go/powerpsoc cypress.com/go/plc cypress.com/go/memory cypress.com/go/image cypress.com/go/psoc cypress.com/go/touch cypress.com/go/USB cypress.com/go/wireless PSoC Solutions psoc.cypress.com/solutions PSoC 1 | PSoC 3 | PSoC 5 Cypress Semiconductor Corporation, The information contained herein is subject to change without notice. Cypress Semiconductor Corporation assumes no responsibility for the use of any circuitry other than circuitry embodied in a Cypress product. Nor does it convey or imply any license under patent or other rights. Cypress products are not warranted nor intended to be used for medical, life support, life saving, critical control or safety applications, unless pursuant to an express written agreement with Cypress. Furthermore, Cypress does not authorize its products for use as critical components in life-support systems where a malfunction or failure may reasonably be expected to result in significant injury to the user. The inclusion of Cypress products in life-support systems application implies that the manufacturer assumes all risk of such use and in doing so indemnifies Cypress against all charges. Any Source Code software and/or firmware is owned by Cypress Semiconductor Corporation Cypress and is protected by and subject to worldwide patent protection United States and foreign , United States copyright laws and international treaty provisions. Cypress hereby grants to licensee a personal, non-exclusive, non-transferable license to copy, use, modify, create derivative works of, and compile the Cypress Source Code and derivative works for the sole purpose of creating custom software and or firmware in support of licensee product to be used only in conjunction with a Cypress integrated circuit as specified in the applicable agreement. Any reproduction, modification, translation, compilation, or representation of this Source Code except as specified above is prohibited without the express written permission of Cypress. Disclaimer CYPRESS MAKES NO WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, WITH REGARD TO THIS MATERIAL, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. Cypress reserves the right to make changes without further notice to the materials described herein. Cypress does not assume any liability arising out of the application or use of any product or circuit described herein. Cypress does not authorize its products for use as critical components in life-support systems where a malfunction or failure may reasonably be expected to result in significant injury to the user. The inclusion of Cypress’ product in a life-support systems application implies that the manufacturer assumes all risk of such use and in doing so indemnifies Cypress against all charges. Use may be limited by and subject to the applicable Cypress software license agreement. All products and company names mentioned in this document may be the trademarks of their respective holders. Page 22 of 22 [+] Feedback |
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