Texas Instruments SN74ACT2226
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 status flags for independent operation. The SN74ACT2226 and SN74ACT2228 are characterized for operation from –40°C to 85°C.| Part No. | SN74ACT2226 |
|---|---|
| Datasheet | SN74ACT2226 Download |
| Manufacturer |  Texas Instruments |
| Description | CLOCKED FIRST-IN FIRST-OUT MEMORIES |
| Buy | Stock & Price |
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 Integrated-Circuit Package SN74ACT2226, SN74ACT2228 DUAL 64 × 1, DUAL 256 × 1 CLOCKED FIRST-IN, FIRST-OUT MEMORIES SCAS219C – JUNE 1992 – REVISED OCTOBER 1997 DW PACKAGE (TOP VIEW) 1HF 1 1AF/AE 2 1WRTCLK 3 1WRTEN 4 1IR 5 1D 6 GND 7 1RESET 8 2Q 9 2OR 10 2RDEN 11 2RDCLK 12 24 1RDCLK 23 1RDEN 22 1OR 21 1Q 20 2RESET 19 VCC 18 2D 17 2IR 16 2WRTEN 15 2WRTCLK 14 2AF/AE 13 2HF description Output flags for each FIFO include input ready (1IR or 2IR), output ready (1OR or 2OR), half full (1HF or 2HF), and almost full/almost empty (1AF/AE or 2AF/AE).
