GENERAL DESCRIPTION The W24258 is a normal speed, very low power CMOS static RAM organized as 32768 ´ 8 bits that operates on a wide voltage range from 2.7V to 5.5V power supply. The W24258 family, W24258-70LE and W24258-70LI, can meet requirement of various operating temperature. This device is manufactured using Winbonds high performance CMOS technology. FEATURES • Low power consumption: - Active: 350 mW (max.) - Standby: 6 mW (max.)/3V 25 mW (max.)/5V • Access time: 70 nS (max.)/5V 100 nS (max.)/3V • Single 3V/5V power supply • Fully static operation • All inputs and outputs directly TTL compatible • Three-state outputs • Battery back-up operation capability • Data retention voltage: 2V (min.) • Packaged in 28-pin 600 mil DIP, 330 mil SOP and standard type one TSOP (8 mm ´ 13.4 mm)
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