DESCRIPTION:
The IDT72421/72201/72211/72221/72231/72241 SyncFIFO™ are very high-speed, low-power First-In, FirstOut (FIFO) memories with clocked read and write controls.
   
FEATURES:
• 64 x 9-bit organization (IDT72421)
• 256 x 9-bit organization (IDT72201)
• 512 x 9-bit organization (IDT72211)
• 1024 x 9-bit organization (IDT72221)
• 2048 x 9-bit organization (IDT72231)
• 4096 x 9-bit organization (IDT72241)
• 12 ns read/write cycle time (IDT72421/72201/72211)
• 15 ns read/write cycle time (IDT72221/72231/72241)
• Read and write clocks can be independent
• Dual-Ported zero fall-through time architecture
• Empty and Full flags signal FIFO status
• Programmable Almost-Empty and Almost-Full flags can
    be set to any depth
• Programmable Almost-Empty and Almost-Full flags
    default to Empty+7, and Full-7, respectively
• Output enable puts output data bus in high-impedance
    state
• Advanced submicron CMOS technology
• Available in 32-pin plastic leaded chip carrier (PLCC),
    ceramic leadless chip carrier (LCC), and 32-pin Thin
    Quad Flat Pack (TQFP)
• For Through-Hole product please see the IDT72420/
    72200/72210/72220/72230/72240 data sheet
• Military product compliant to MIL-STD-883, Class B