Description
The IDT71V321 is a high-speed 2K x 8 Dual-Port Static RAMs with internal interrupt logic for interprocessor communications. The IDT71V321 is designed to be used as a stand-alone 8-bit Dual-Port RAM.

Features
◆ High-speed access
   – Commercial & Industrial: 25/35/55ns (max.)
◆ Low-power operation
   – IDT71V321S
      — Active: 325mW (typ.)
      — Standby: 5mW (typ.)
   – IDT71V321L
      — Active: 325mW (typ.)
      — Standby: 1mW (typ.)
◆ Two INT flags for port-to-port communications
◆ On-chip port arbitration logic (IDT71V321 only)
◆ BUSY output flag
◆ Fully asynchronous operation from either port
◆ Battery backup operation—2V data retention (L only)
◆ TTL-compatible, single 3.3V power supply
◆ Available in 52-pin PLCC, 64-pin TQFP and STQFP
   packages
◆ Industrial temperature range (–40°C to +85°C) is available
   for selected speeds
◆ Green parts available, see ordering information