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MB85R1002A 数据表(PDF) 2 Page - RAMXEED LIMITED |
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MB85R1002A 数据表(HTML) 2 Page - RAMXEED LIMITED |
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2 / 23 page ![]() MB85R1002A 2 DS501-00004-6v1E PIN ASSIGNMENTS PIN DESCRIPTIONS Pin Number Pin Name Functional Description 1 to 8, 18 to 25 A0 to A15 Address Input pins 29 to 36, 38 to 45 I/O1 to I/O16 Data Input/Output pins 26 CE1 Chip Enable 1 Input pin 12 CE2 Chip Enable 2 Input pin 11 WE Write Enable Input pin 28 OE Output Enable Input pin 14, 15 LB, UB Data Byte Control Input pins 16, 37 VDD Supply Voltage pins Connect all two pins to the power supply. 13, 27, 46 VSS Ground pins Connect all three pins to ground. 9, 10, 17, 47, 48 NC No Connect pins Leave these pins open, or connect to VDD or VSS. A15 A14 A13 A12 A11 A10 A9 A8 NC NC WE CE2 VSS UB LB VDD NC A7 A6 A5 A4 A3 A2 A1 NC NC VSS I/O16 I/O8 I/O15 I/O7 I/O14 I/O6 I/O13 I/O5 VDD I/O12 I/O4 I/O11 I/O3 I/O10 I/O2 I/O9 I/O1 OE VSS CE1 A0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 (TSOP 48) (TOP VIEW) |
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