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IDT71257S
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IDT71257S CMOS STATIC RAM 256K

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IDT71257S CMOS STATIC RAM 256K

The IDT71257, a 262, 144-bit high-speed static RAM organized as 256K x 1, is fabricated using IDT's high-performance, highreliability technology - CEMOS. This state-of-the-art technology, combined with innovative circuit design techniques, provides a cost effective approach for memory intensive app.

Features


• High-speed (equal access and cycle times) -Military - 45/55/70/85ns max. -Commercial - 35/45/55/70ns max.
• Low-power operation -IDT 71257S Active: 400mW (typ.) Standby: 400l'W (typ.) -IDT 71257L Active: 350mW (typ.) Standby: 100l'W (typ.)
• Battery backup operation - 2V data retention (L version only)
• High-density industry standard 24-pin, 300 mil DIP
• Produced with advanced CEMOS" technology
• Separate data input and output
• Single 5V (±10%) power supply
• Inputs/outputs TTL-compatible
• Three state outputs
• Static operation - no clocks or refresh required
• Military product 100% scr.

IDT71257S IDT71257S IDT71257S
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