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M5M5V408BFP-85L Datasheet(PDF) 3 Page - Mitsubishi Electric Semiconductor |
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M5M5V408BFP-85L Datasheet(HTML) 3 Page - Mitsubishi Electric Semiconductor |
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3 / 14 page  MITSUBISHI ELECTRIC M5M5V408BFP/TP/RT/KV/KR revision-K1.0e, ' 98.09.07 4194304-BIT (524288-WORD BY 8-BIT) CMOS STATIC RAM MITSUBISHI LSIs FUNCTION TABLE BLOCK DIAGRAM 3 Mode DQ Icc S W OE Write Read H L L L L X L H H H X X Non selection High-impedance High-impedance Active Standby Read A4 A5 A6 A7 A12 A14 A16 A17 A18 A11 A9 A8 12 A0 11 A1 10 A2 9 A3 A13 25 26 27 28 8 7 6 5 4 3 2 30 1 A15 31 A10 23 DQ1 DQ2 DQ3 DQ4 VCC (3V) GND (0V) W OE DQ5 DQ6 DQ7 DQ8 S 24 13 14 15 17 32 22 18 19 20 21 29 16 A0 ~ A18 DQ1 ~ DQ8 S W OE Vcc GND Address input Data input / output Chip select input Write control input Output inable input Power supply Ground supply Pin Function Data input (D) Active Active MEMORY ARRAY 524288 WORDS x 8 BITS CLOCK GENERATOR FUNCTION The M5M5408BFP,TP,RT,KV,KR is organized as 524,288- words by 8-bit. These devices operate on a single +2.7~3.6V 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 non- selectable 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 0.3µA(25°C, typical), and the memory data can be held at +2V power supply, enabling battery back-up operation during power failure or power-down operation in the non-selected mode. Data output (Q) 20 19 18 17 1 2 3 4 16 15 14 13 12 11 10 9 6 7 31 32 21 22 23 25 8 30 26 27 28 29 5 24 M5M5V408BKV/KR M5M5V408B FP/TP/RT M5M5V408BKV/KR M5M5V408B FP/TP/RT |
Similar Part No. - M5M5V408BFP-85L |
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Similar Description - M5M5V408BFP-85L |
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