HIGH-SPEED 2K x 8 DUAL-PORT STATIC RAM
Integrated Device Technology, Inc.
HIGH-SPEED 2K x 8 DUAL-PORT STATIC RAM WITH INTERRUPTS
IDT71321SA/LA IDT71421SA/LA
...
Description
Integrated Device Technology, Inc.
HIGH-SPEED 2K x 8 DUAL-PORT STATIC RAM WITH INTERRUPTS
IDT71321SA/LA IDT71421SA/LA
FEATURES:
High-speed access —Commercial: 20/25/35/45/55ns (max.)
Low-power operation —IDT71321/IDT71421SA —Active: 550mW (typ.) —Standby: 5mW (typ.) —IDT71321/421LA —Active: 550mW (typ.) —Standby: 1mW (typ.)
Two INT flags for port-to-port communications MASTER IDT71321 easily expands data bus width to 16-
or-more-bits using SLAVE IDT71421 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-compatible, single 5V ±10% power supply Available in popular hermetic and plastic packages Industrial temperature range (–40°C to +85°C) is avail-
able, tested to military electrical specifications
DESCRIPTION:
The IDT71321/IDT71421 are high-speed 2K x 8 DualPort Stat...
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