(China (Mainland))
Product Summary
The IDT71321SA-55JI is a high-speed 2K x 8 dual-port static RAM. The IDT71321SA-55JI is designed to be used as a stand-alone 8-bit Dual-Port RAM or as a“MASTER” Dual-Port RAM together with the IDT7142 “SLAVE”Dual-Port in 16-bit-or-more word width systems. Fabricated using IDT’s CMOS high-performance technology, the IDT71321SA-55JI typically operates on only 325mW of power. Low-power (LA) versions offer battery backup data retention capability, with each Dual-Port typically consuming 200µW from a 2V battery.
Parametrics
IDT71321SA-55JI absolute maximum ratings: (1)Terminal Voltage with Respect to GND:-0.5 to +7.0 V; (2)Temperature Under Bias:-65 to +135℃; (3)Storage Temperature:-65 to +150℃; (4)DC Output Current:50 mA.
Features
IDT71321SA-55JI features: (1)MASTER IDT7132 easily expands data bus width to 16-or-more bits using SLAVE IDT7142; (2)On-chip port arbitration logic; (3)BUSY output flag on IDT7132; BUSY input on IDT7142; (4)Battery backup operation —2V data retention (LA only); (5)TTL-compatible, single 5V ±10% power supply; (6)Available in 48-pin DIP, LCC and Flatpack, and 52-pin PLCC packages; (7)Military product compliant to MIL-PRF-38535 QML; (8)Industrial temperature range (–40 to +85℃) is available for selected speeds.
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