SN74ACT2228, SN74ACT2226 Datasheet (Texas Instruments) - CLOCKED FIRST-IN FIRST-OUT MEMORIES

SN74ACT2228, SN74ACT2226, CLOCKED FIRST-IN FIRST-OUT MEMORIES

The SN74ACT2226 and SN74ACT2228 are dual FIFOs suited for a wide range of serial-data buffering applications, including elastic stores for frequencies up to T2 telecommunication rates.

Each FIFO on the chip is arranged as 64 × 1 (SN74ACT2226) or 256 × 1 (SN74ACT2228) and has control signals and stat

D Dual Independent FIFOs Organized as: 64 Words by 1 Bit Each SN74ACT2226 256 Words by 1 Bit Each SN74ACT2228 D Free-Running Read and Write Clocks Can Be Asynchronous or Coincident on Each FIFO D Input-Ready Flags Synchronized to Write Clocks D Output-Ready Flags Synchronized to Read Clocks D Half-Full and Almost-Full/Almost-Empty Flags D Support Clock Frequencies up to 22 MHz D Access Times of 20 ns D Low-Power Advanced CMOS Technology D Packaged in 24-Pin Small-Outline Inte