IDT71421LA Overview
The IDT71321/IDT71421 are high-speed 2K x 8 DualPort Stat.
IDT71421LA Key Features
- High-speed access -mercial: 20/25/35/45/55ns (max.)
- Two INT flags for port-to-port munications
- MASTER IDT71321 easily expands data bus width to 16
- On-chip port arbitration logic (IDT71321 only)
- BUSY output flag on IDT71321; BUSY input on IDT71421
- Fully asynchronous operation from either port
- Battery backup operation -2V data retention (LA Only)
- TTL-patible, single 5V ±10% power supply
- Available in popular hermetic and plastic packages
- Industrial temperature range (-40°C to +85°C) is avail