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IDT709149S Datasheet(PDF) 2 Page - Integrated Device Technology |
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IDT709149S Datasheet(HTML) 2 Page - Integrated Device Technology |
2 / 10 page 6.42 IDT709149S High-Speed 36K (4K x 9-bit) Synchronous Pipelined Dual-Port Static RAM Industrial and Commercial Temperature Ranges 2 NOTES: 1. All VCC pins must be connected to power supply. 2. All ground pins must be connected to ground supply. 3. Package body is approximately 14mm x 14mm x 1.4mm. 4, This package code is used to reference the package diagram. 5. This text does not indicate the orientaion of the actual part-marking. Reference N/C 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 3494 drw 02 IDT709149PF PN80(4) 80-Pin TQFP Top View(5) N/C A6L A7L A8L A9L A10L A11L N/C OEL VCC R/ WL N/C CEL GND I/O8L I/O7L I/O6L N/C A7R A8R A9R A10R A11R N/C OER GND GND R/ WR N/C CER GND I/O8R I/O7R I/O6R N/C N/ C N/C FT/PIPEDR VCC Pin Configurations(1,2,3) Description The IDT709149 is a high-speed 4K x 9 bit synchronous Dual-Port SRAM. The memory array is based on Dual-Port memory cells to allow simultaneous access from both ports. Registers on control, data, and address inputs provide low set-up and hold times. The timing latitude providedbythisapproachwillallowsystemstobedesignedwithveryshort cycle times. This device has been optimized for applications having unidirectionaldatafloworbi-directionaldataflowinbursts,byutilizinginput dataregisters. TheIDT709149utilizesa9-bitwidedatapathtoallowforparityatthe user's option. This feature is especially useful in data communication applications where it is necessary to use a parity bit for transmission/ receptionerrorchecking. FabricatedusingCMOShigh-performancetechnology,theseDual- Portstypicallyoperateononly800mWofpowerat maximumhigh-speed clock-to-data output times as fast as 8ns. An automatic power down feature,controlledby CE,permitstheon-chipcircuitryofeachporttoenter a very low standby power mode. The IDT709149 is packaged in an 80-pin TQFP. |
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