HIGH -SPEED 4K ×8双口静态RAM，带有SEMAPHORE HIGH-SPEED 4K x 8 DUAL-PORT STATIC RAM WITH SEMAPHORE
Description
The IDT71342 is a high-speed 4K x 8 Dual-Port Static RAM with full on-chip hardware support of semaphore signalling between the two ports.
Features
◆High-speed access
– Commercial: 20/25/35/45/55/70ns max.
– Industrial: 25/35/55ns max.
◆Low-power operation
– IDT71342SA
Active: 700mW typ.
Standby: 5mW typ.
– IDT71342LA
Active: 700mW typ.
Standby: 1mW typ.
◆Fully asynchronous operation from either port
◆Full on-chip hardware support of semaphore signalling between ports
◆Battery backup operation—2V data retention LA only
◆TTL-compatible; single 5V ±10% power supply
◆Available in plastic packages
◆Industrial temperature range –40°C to +85°C is available for selected speeds