DESCRIPTION:
The IDT72801/72811/72821/72831/72841/72851 are dual synchronous (clocked) FIFOs. The device is functionally equivalent to two IDT72201/72211/72221/72231/72241/72251 FIFOs in a single package with all associated control, data, and flag lines assigned to separate pins.
   
FEATURES:
• The IDT72801 is equivalent to two IDT72201 256 x 9 FIFOs
• The IDT72811 is equivalent to two IDT72211 512 x 9 FIFOs
• The IDT72821 is equivalent to two IDT72221 1,024 x 9 FIFOs
• The IDT72831 is equivalent to two IDT72231 2,048 x 9 FIFOs
• The IDT72841 is equivalent to two IDT72241 4,096 x 9 FIFOs
• The IDT72851 is equivalent to two IDT72251 8,192 x 9 FIFOs
• Offers optimal combination of large capacity, high speed,
    design flexibility and small footprint
• Ideal for prioritization, bidirectional, and width expansion
    applications
• 10 ns read/write cycle time for the IDT72801/72811/72821/72831/
    72841/72851
• Separate control lines and data lines for each FIFO
• Separate Empty, Full, Programmable Almost-Empty
    and Almost Full flags for each FIFO
• Enable puts output data lines in high-impedance state
• Space-saving 64-pin Thin Quad Flat Pack (TQFP) and Slim Thin
    Quad Flatpack (STQFP)
• Industrial temperature range (–40°C to +85°C) is available
• Green parts available, see ordering information