DESCRIPTION:

The IDT72421/72201/72211/72221/72231/72241/72251 SyncFIFO™ are very high-speed, low-power First-In, First-Out (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)

• 1,024 x 9-bit organization (IDT72221)

• 2,048 x 9-bit organization (IDT72231)

• 4,096 x 9-bit organization (IDT72241)

• 8,192 x 9-bit organization (IDT72251)

• 10 ns read/write cycle time (excluding the IDT72251)

• 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 the 32-pin plastic leaded chip carrier (PLCC)

• All devices, except the 72251, are available in the

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

• Industrial temperature range (–40°C to +85°C) is available

(plastic packages only)