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LC35256FT Datasheet(PDF) 1 Page - Sanyo Semicon Device |
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LC35256FT Datasheet(HTML) 1 Page - Sanyo Semicon Device |
1 / 7 page Ordering number : ENN*6302 52600RM (OT) No. 6302-1/7 Overview The LC35256FM and LC35256FT are asynchronous silicon-gate CMOS SRAMs with a 32K-word by 8-bit structure. These are full-CMOS devices with 6 transistors per memory cell, and feature low-voltage operation, a low operating current drain, and an ultralow standby current. Control inputs include OE for fast memory access and CE (chip enable) for power saving and device selection. This makes these devices optimal for systems that require low power or battery backup, and makes memory expansion easy. The ultralow standby current allows these devices to be used with capacitor backup as well. Features • Supply voltage range: 4.5 to 5.5 V • Access time at 5 V operation: LC35256FM, FT-55U: 55 ns (maximum) LC35256FM, FT-70U: 70 ns (maximum) • Standby current: 3.0 µA (Ta ≤ 70°C) 5.0 µA (Ta ≤ 85°C) • Operating temperature: –40 to +85°C • Data retention voltage: 2.0 to 5.5 V • All I/O levels: TTL compatible • Input/output shared function pins, 3-state output pins • No clock required • Package 28-pin SOP (450 mil) plastic package: LC35256FM 28-pin TSOP (8 × 13.4 mm) plastic package: LC35256FT Package Dimensions unit: mm 3187A-SOP28D unit: mm 3221-TSOP28 (Type I) Preliminary LC35256FM, FT-55U/70U SANYO Electric Co.,Ltd. Semiconductor Company TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN 256K (32768 words × 8 bits) SRAM Control Pins: OE and CE CMOS IC 1 14 15 28 18.0 1.27 0.4 0.15 SANYO: SOP28D [LC35256FM] Any and all SANYO products described or contained herein do not have specifications that can handle applications that require extremely high levels of reliability, such as life-support systems, aircraft’s control systems, or other applications whose failure can be reasonably expected to result in serious physical and/or material damage. Consult with your SANYO representative nearest you before using any SANYO products described or contained herein in such applications. SANYO assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all SANYO products described or contained herein. 0.55 22 7 21 8 1 28 8.1 0.2 0.125 SANYO: TSOP28 (Type I) [LC35256FT] |
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