Description
The IDT71321/IDT71421 are high-speed 2K x 8 Dual-Port Static RAMs with internal interrupt logic for interprocessor communications.
Features
- High-speed access.
- Commercial: 20/35/55ns (max. ).
- Industrial: 25/55ns (max. ).
- Low-power operation.
- IDT71321/IDT71421SA.
- Active: 325mW (typ. ).
- Standby: 5mW (typ. ).
- IDT71321/421LA.
- Active: 325mW (typ. ).
- Standby: 1mW (typ. ).
- Two INT flags for port-to-port communications.
- MASTER IDT71321 easily expands data bus width to 16-ormore-bits using SLAVE IDT71421.
- On-chip port arbitration logic (IDT71321 only).