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M5M5408BRT Dataheets PDF



Part Number M5M5408BRT
Manufacturers Mitsubishi
Logo Mitsubishi
Description 4194304-BIT (524288-WORD BY 8-BIT) CMOS STATIC RAM
Datasheet M5M5408BRT DatasheetM5M5408BRT Datasheet (PDF)

revision-K0.1e, ' 98.07.30 MITSUBISHI LSIs M5M5408BFP/TP/RT/KV/KR PRELIMINARY Notice: This is not a final specification. Some parametric limits are subject to change 4194304-BIT (524288-WORD BY 8-BIT) CMOS STATIC RAM DESCRIPTION The M5M5408B is a family of 4-Mbit static RAMs organized as 524,288-words by 8-bit, fabricated by Mitsubishi's highperformance 0.25µm CMOS technology. The M5M5408B is suitable for memory applications where a simple interfacing , battery operating and battery backup .

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revision-K0.1e, ' 98.07.30 MITSUBISHI LSIs M5M5408BFP/TP/RT/KV/KR PRELIMINARY Notice: This is not a final specification. Some parametric limits are subject to change 4194304-BIT (524288-WORD BY 8-BIT) CMOS STATIC RAM DESCRIPTION The M5M5408B is a family of 4-Mbit static RAMs organized as 524,288-words by 8-bit, fabricated by Mitsubishi's highperformance 0.25µm CMOS technology. The M5M5408B is suitable for memory applications where a simple interfacing , battery operating and battery backup are the important design objectives. M5M5408B is packaged in 32-pin plastic SOP, 32-pin plastic TSOP and 32-pin 8mm x 13.4mm STSOP packages. Two types of TSOPs and two types of STSOPs are available , M5M5408BTP (normal-lead-bend TSOP) , M5M5408BRT (reverse-lead-bend TSOP) , M5M5408BKV (normal-lead-bend STSOP) and M5M5408BKR (reverse-lead-bend STSOP). These two types TSOPs and two types STSOPs are suitable for a surface mounting on double-sided printed circuit boards. From the point of operating temperature, the family is divided into three versions; "Standard", " W-version", and "I-version". Those are summarized in the part name table below. FEATURES • Single +5V power supply • Small stand-by current: 0.4µA(3V,typ.) • No clocks, No refresh • Data retention supply voltage=2.0V to 5.5V • All inputs and outputs are TTL compatible. • Easy memory expansion by S • Common Data I/O • Three-state outputs: OR-tie capability • OE prevents data contention in the I/O bus • Process technology: 0.25µm CMOS • Package: M5M5408BFP: 32 pin 525 mil SOP M5M5408BTP/RT: 32 pin 400 mil TSOP(ll) M5M5408BKV/KR: 32 pin 8mm x 13.4mm STSOP PART NAME TABLE Version, Operating temperature Part name (## stands for "FP","TP", "RT","KV"or"KR") M5M5408B## -55L M5M5408B## -70L 5.0V Power Supply Access time Stand-by current Icc(PD), Vcc=3.0V typical * Ratings (max.) 25°C --70°C 50µA 85°C --- max. 55ns 70ns 100ns 55ns Active current Icc1 (5.0V, typ.) Standard 0 ~ +70°C M5M5408B## -10L M5M5408B## -55H M5M5408B## -70H M5M5408B## -10H M5M5408B## -55LW M5M5408B## -70LW 5.0V 5.0V 70ns 100ns 55ns 70ns 100ns 55ns 0.4µA 10µA --- --- --- 100µA 50mA (10MHz) 25mA (1MHz) W-version -20 ~ +85°C M5M5408B## -10LW M5M5408B## -55HW M5M5408B## -70HW M5M5408B## -10HW M5M5408B## -55LI M5M5408B## -70LI 5.0V 5.0V 70ns 100ns 55ns 70ns 100ns 55ns 0.4µA --- 20µA --- --- 100µA I-version -40 ~ +85°C M5M5408B## -10LI M5M5408B## -55HI M5M5408B## -70HI M5M5408B## -10HI 5.0V 70ns 100ns 0.4µA --- 20µA * "typical" parameter is sampled, not 100% tested. MITSUBISHI ELECTRIC 1 revision-K0.1e, ' 98.07.30 MITSUBISHI LSIs M5M5408BFP/TP/RT/KV/KR PRELIMINARY Notice: This is not a final specification. Some parametric limits are subject to change 4194304-BIT (524288-WORD BY 8-BIT) CMOS STATIC RAM PIN CONFIGURATION (TOP VIEW) A18 A16 A14 A12 A7 A6 A5 A4 A3 A2 A1 A0 DQ1 DQ2 DQ3 (0V) GND 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 VCC (5V) A15 A17 W A13 A8 A9 A11 OE A10 S DQ8 DQ7 DQ6 DQ5 DQ4 (5V) VCC 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 A15 A17 W A13 A8 A9 A11 OE A10 S DQ8 DQ7 DQ6 DQ5 DQ4 A18 A16 A14 A12 A7 A6 A5 A4 A3 A2 A1 A0 DQ1 DQ2 DQ3 GND (0V) Outline 32P2M-A (FP) 32P3Y-H (TP) Outline 32P3Y-J (RT) A11 A9 A8 A13 W A18 A15 Vcc A17 A16 A14 A12 A7 A6 A5 A4 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 M5M5408BKV OE A10 S DQ8 DQ7 DQ6 DQ5 DQ4 GND DQ3 DQ2 DQ1 A0 A1 A2 A3 A4 A5 A6 A7 A12 A14 A16 A17 Vcc A15 A18 W A13 A8 A9 A11 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 17 18 19 20 21 22 23 M5M5408BKR 24 25 26 27 28 29 30 31 32 A3 A2 A1 A0 DQ1 DQ2 DQ3 GND DQ4 DQ5 DQ6 DQ7 DQ8 S A10 OE Outline 32P3K-B Outline 32P3K-C MITSUBISHI ELECTRIC 2 revision-K0.1e, ' 98.07.30 MITSUBISHI LSIs M5M5408BFP/TP/RT/KV/KR PRELIMINARY Notice: This is not a final specification. Some parametric limits are subject to change 4194304-BIT (524288-WORD BY 8-BIT) CMOS STATIC RAM FUNCTION The M5M5408BFP,TP,RT,KV,KR is organized as 524,288words by 8-bit. These devices operate on a single +5.0V power supply, and are directly TTL compatible to both input and output. Its fully static circuit needs no clocks and no refresh, and makes it useful. A write operation is executed during the S low and W low overlap time. The address(A0~A18) must be set up before the write cycle A read operation is executed by setting W at a high level and OE at a low level while S are in an active state(S=L). When setting S at a high level, the chips are in a nonselectable mode in which both reading and writing are disabled. In this mode, the output stage is in a high-impedance state, allowing OR-tie with other chips. Setting the OE at a high level,the output stage is in a high-impedance state, and the data bus contention problem in the write cycle is eliminated. The power supply current is reduced as low as 0.4µA(25°C, typical), and the memory data can be held a.


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