7143SA
Features
- High-speed access
- mercial: 20/25/35/45/55/70/90ns (max.)
- Industrial: 25ns (max.)
- Military: 35/55/70/90ns (max.)
- Low-power operation
- IDT7133/43SA Active: 1150m W (typ.) Standby: 5m W (typ.)
- IDT7133/43LA Active: 1050m W (typ.) Standby: 1m W (typ.)
- Versatile control for write: separate write control for lower and upper byte of each port
Functional Block Diagram
R/WLUB
- MASTER IDT7133 easily expands data bus width to 32 bits or more using SLAVE IDT7143
- On-chip port arbitration logic (IDT7133 only)
- BUSY output flag on IDT7133; BUSY input on IDT7143
- Fully asynchronous operation from either port
- Battery backup operation- 2V data retention
- TTL-patible; single 5V (±10%) power supply
- Available in 68-pin ceramic PGA, Flatpack, PLCC and 100- pin TQFP
- Military product pliant to MIL-PRF-38535 QML
- Industrial temperature range (- 40°C to +85°C) is available for selected speeds
- Green parts available, see ordering information
R/WRUB CER
R/WLLB OEL
R/WRLB...
