CY7C421-15VI Cypress Semiconductor Corp, CY7C421-15VI Datasheet
CY7C421-15VI
Specifications of CY7C421-15VI
Related parts for CY7C421-15VI
CY7C421-15VI Summary of contents
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... FIFOs to retransmit the data. Read enable (R) and write enable (W) must both be HIGH during retransmit, and then R is used to access the data. The CY7C419, CY7C420, CY7C421, CY7C424, CY7C425, CY7C428, CY7C429, CY7C432, and CY7C433 are fabricated using an advanced 0.65-micron P-well CMOS technology. ...
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Logic Block Diagram DATA INPUTS WRITE W RAM ARRAY CONTROL WRITE POINTER THREE- STATE BUFFERS DATA OUTPUTS (Q 0 – READ R CONTROL FLAG LOGIC EXPANSION LOGIC XI Selection Guide 256 x 9 7C419–10 512 x 9 (600-mil ...
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Operating Range Range Ambient Temperature ° ° Commercial ° ° Industrial – +85 C ° ° Military – +125 C Electrical Characteristics Over the Operating Range Parameter Description V Output ...
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Electrical Characteristics Over the Operating Range Parameter Description I Operating Current Operating Current V CC1 MHz I Standby Current All Inputs = SB1 V I Power-Down Current All Inputs ...
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Switching Characteristics Over the Operating Range Parameter Description t Read Cycle Time RC t Access Time A t Read Recovery Time RR t Read Pulse Width PR [6,9] t Read LOW to Low Z LZR [9,10] t Data Valid After ...
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Switching Characteristics Over the Operating Range Parameter Description LOW EFL HIGH HFH HIGH FFH t Read LOW to EF LOW REF t Read HIGH to FF HIGH RFF ...
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Switching Characteristics Over the Operating Range Parameter Description t Read Cycle Time RC t Access Time A t Read Recovery Time RR t Read Pulse Width PR [6,9] t Read LOW to Low Z LZR [9,10] t Data Valid After ...
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Switching Waveforms Asynchronous Read and Write LZR Q – – Master Reset MR [11 Half-full Flag HALF FULL Notes: 11. ...
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Switching Waveforms (continued) Last Write to First Read Full Flag LAST WRITE WFF FF Last Read to First Write Empty Flag LAST READ REF VALID DATA OUT [13] Retransmit FL/RT R,W ...
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Switching Waveforms (continued) Empty Flag and Read Data Flow-through Mode DATA DATA OUT Full Flag and Write Data Flow-through Mode DATA DATA OUT DATA VALID Document #: 38-06001 Rev. *B ...
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Switching Waveforms (continued) Expansion Timing Diagrams WRITE TO LAST PHYSICAL LOCATION OF DEVICE XOL [15 – READ FROM LAST PHYSICAL LOCATION OF DEVICE XOL [15] XO ...
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FIFO is filled to half its capacity plus one word. HF will remain LOW while less than one half of total memory is available for writing. The LOW-to-HIGH transition of HF occurs t the rising edge of R when the ...
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FULL MR Document #: 38-06001 Rev CY7C419 9 CY7C420/1 CY7C424/5 CY7C428/9 CY7C432 CY7C419 9 CY7C420/1 CY7C424/5 CY7C428/9 CY7C432 CY7C419 9 CY7C420/1 CY7C424/5 ...
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... CY7C421–10PC CY7C421–10VC 15 CY7C421–15AC CY7C421–15AXC CY7C421–15JC CY7C421–15JI CY7C421–15VI CY7C421–15DMB CY7C421–15LMB 20 CY7C421–20JC CY7C421–20JXC CY7C421–20PC CY7C421–20VC CY7C421–20VXC CY7C421–20JI Document #: 38-06001 Rev. *B Package Type Package Type A32 32-Pin Thin Plastic Quad Flatpack ...
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... CY7C421–25JI CY7C421–25PI CY7C421–25DMB 30 CY7C421–30JC CY7C421–30PC CY7C421–30JI CY7C421–30DMB CY7C421–30LMB 40 CY7C421–40JC CY7C421–40PC CY7C421–40VC CY7C421–40JI 65 CY7C421–65JC CY7C421–65PC CY7C421–65VC CY7C421–65JI CY7C421–65DMB Ordering Information (continued) Speed (ns) Ordering Code 40 CY7C424–40PC 65 CY7C424– ...
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Ordering Information (continued) Speed (ns) Ordering Code 20 CY7C425–20JC CY7C425–20JXC CY7C425–20PC CY7C425–20VC CY7C425–20VXC 25 CY7C425–25JC CY7C425–25PC CY7C425–25JI CY7C425–25VI CY7C425–25DMB CY7C425–25LMB 30 CY7C425–30JC CY7C425–30PC CY7C425–30VC CY7C425–30VI 40 CY7C425–40JC CY7C425–40PC CY7C425–40VC CY7C425–40JI 65 CY7C425–65JC CY7C425–65PC Ordering Information (continued) Speed (ns) Ordering Code ...
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Ordering Information (continued) Speed (ns) Ordering Code 20 CY7C429–20JC CY7C429–20JXC CY7C429–20PC CY7C429–20VC CY7C429–20DMB 25 CY7C429–25JC CY7C429–25PC CY7C429–25VC CY7C429–25JI CY7C429–25DMB CY7C429–25LMB 30 CY7C429–30JC CY7C429–30PC CY7C429–30VC CY7C429–30DMB 40 CY7C429–40AC CY7C429–40JC CY7C429–40PC 65 CY7C429–65JC CY7C429–65PC CY7C429–65JI Ordering Information (continued) Speed (ns) Ordering Code ...
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Ordering Information (continued) Speed (ns) Ordering Code 20 CY7C433–20AC CY7C433–20AXC CY7C433–20JC CY7C433–20JXC CY7C433–20PC 25 CY7C433–25JC CY7C433–25PC CY7C433–25VC CY7C433–25JI 30 CY7C433–30JC CY7C433–30PC CY7C433–30JI CY7C433–30PI CY7C433–30DMB CY7C433–30LMB 40 CY7C433–40JC CY7C433–40PC CY7C433–40VC CY7C433–40JI 65 CY7C433–65JC CY7C433–65PC Document #: 38-06001 Rev. *B Package Name ...
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MILITARY SPECIFICATIONS Group A Subgroup Testing DC Characteristics Parameters Subgroups Max ...
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Package Diagrams 32-Lead Pb-Free Thin Plastic Quad Flat Pack A32 Document #: 38-06001 Rev. *B 32-Lead Thin Plastic Quad Flat Pack A32 28-Lead (600-Mil) CerDIP D16 MIL-STD-1835 D-10 Config. A CY7C419/21/25/29/33 51-85063-*B 51-80019-** Page [+] Feedback ...
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Package Diagrams (continued) Document #: 38-06001 Rev. *B 28-Lead (300-Mil) CerDIP D22 MIL-STD-1835 D-15 Config. A CY7C419/21/25/29/33 51-80032-** Page [+] Feedback ...
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Package Diagrams (continued) 32-Lead Pb-Free Plastic Leaded Chip Carrier J65 32-Pin Rectangular Leadless Chip Carrier L55 Document #: 38-06001 Rev. *B 32-Lead Plastic Leaded Chip Carrier J65 MIL-STD-1835 C-12 CY7C419/21/25/29/33 51-85002-*B 51-80068-** Page [+] Feedback ...
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Package Diagrams (continued 0.140[3.55] 0.190[4.82] 0.115[2.92] 0.160[4.06] 0.090[2.28] 0.110[2.79] LEAD END OPTION (LEAD #1, 14, 15 & 28) Document #: 38-06001 Rev. *B 28-Lead (600-Mil) Molded DIP P15 28-Lead (300-Mil) PDIP P21 SEE LEAD END OPTION 1 0.260[6.60] ...
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... Document #: 38-06001 Rev. *B © Cypress Semiconductor Corporation, 2005. 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 ...
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... Document History Page Document Title: CY7C419, CY7C421, CY7C425, CY7C429, CY7C433 256/512/1K/2K/4Kx9 Asynchronous FIFO Document Number: 38-06001 Issue Orig. of REV. ECN NO. Date Change ** 106462 07/11/01 SZV *A 122332 12/30/02 RBI *B 383597 See ECN PCX Document #: 38-06001 Rev. *B CY7C419/21/25/29/33 Description of Change Change from Spec Number: 38-00079 to 38-06001 Added power up requirements to maximum ratings information ...