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## IDT72V3624 Datasheet(PDF) 7 Page - Integrated Device Technology

 Part # IDT72V3624 Description 3.3 VOLT CMOS SyncBiFIFO WITH BUS-MATCHING 256 x 36 x 2, 512 x 36 x 2, 1,024 x 36 x 2 Download 34 Pages Scroll/Zoom 100% Manufacturer IDT [Integrated Device Technology] Direct Link http://www.idt.com Logo

## IDT72V3624 Datasheet(HTML) 7 Page - Integrated Device Technology

 7 / 34 page7COMMERCIALTEMPERATURERANGEIDT72V3624/72V3634/72V3644 3.3V CMOS SyncBiFIFOTM WITH BUS-MATCHING256 x 36 x 2, 512 x 36 x 2, 1,024 x 36 x 2DETERMINING ACTIVE CURRENT CONSUMPTION AND POWER DISSIPATIONThe ICC(f) current for the graph in Figure 1 was taken while simultaneously reading and writing a FIFO on the IDT72V3624/72V3634/72V3644 withCLKA and CLKB set to fS. All data inputs and data outputs change state during each clock cycle to consume the highest supply current. Data outputs weredisconnected to normalize the graph to a zero capacitance load. Once the capacitance load per data-output channel and the number of these device'sinputs driven by TTL HIGH levels are known, the power dissipation can be calculated with the equation below.CALCULATING POWER DISSIPATIONWith ICC(f) taken from Figure 1, the maximum power dissipation (PT) of these FIFOs may be calculated by:PT = VCC x ICC(f) +Σ(CL x VCC2 x fo)Nwhere:N=number of used outputs (36-bit (long word), 18-bit (word) or 9-bit (byte) bus size)CL=output capacitance loadfo=switching frequency of an outputFigure 1. Typical Characteristics: Supply Current (ICC) vs. Clock Frequency (fS)0102030405060700255075100125150VCC = 3.3VfSClock FrequencyMHzfdata = 1/2 fSTA = 25οCCL = 0 pFVCC = 3.0VVCC = 3.6V4664 drw031752008090100

## Similar Part No. - IDT72V3624

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## Similar Description - IDT72V3624

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