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DS2229 Datasheet(PDF) 2 Page - Dallas Semiconductor |
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DS2229 Datasheet(HTML) 2 Page - Dallas Semiconductor |
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2 / 10 page ![]() DS2229 2 of 10 PIN DESCRIPTION Figure 1 PIN # PIN NAME PIN # PIN NAME PIN # PIN NAME 1 GND 32 NC 63 DQ7 2VCC 33 NC 64 DQ6 3NC 34 NC 65 DQ5 4 OE 35 NC 66 DQ4 5 WEH 36 A16 67 DQ3 6 WEL 37 A15 68 DQ2 7NC 38 A14 69 DQ1 8CS 39 A13 70 DQ0 9NC 40 A12 71 NC 10 NC 41 A11 72 VCC 11 NC 42 A10 73 NC 12 NC 43 A9 74 GND 13 NC 44 A8 75 NC 14 NC 45 A7 76 GND 15 NC 46 A6 77 GND 16 NC 47 A5 78 NC 17 NC 48 A4 79 NC 18 NC 49 A3 80 GND 19 NC 50 A2 20 NC 51 A1 21 CE3 52 A0 PIN NAME DESCRIPTION 22 CE2 53 GND A0 - A16 Address Input 23 CE1 54 GND WEL Write Enable Input Low 24 CE0 55 DQ15 WEH Write Enable Input High 25 GND 56 DQ14 OE Output Enable Input 26 NC 57 DQ13 NC No Connect 27 NC 58 DQ12 CE0 - CE3 Chip Enable Input 28 NC 59 DQ11 CS Chip Select 29 NC 60 DQ10 DQ0 - DQ15 Data Input/Output 30 NC 61 DQ9 VCC +5 Volts 31 NC 62 DQ8 GND Ground |
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