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DS1553 Datasheet(PDF) 2 Page - Maxim Integrated Products |
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DS1553 Datasheet(HTML) 2 Page - Maxim Integrated Products |
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2 / 20 page ![]() DS1553 64kB, Nonvolatile, Year-2000-Compliant Timekeeping RAM 2 of 20 PIN DESCRIPTION PIN EDIP PowerCap NAME FUNCTION 1 2 RST Active-Low Power-On Reset Output (Open Drain) 2 30 A12 3 25 A7 4 24 A6 5 23 A5 6 22 A4 7 21 A3 8 20 A2 9 19 A1 10 18 A0 21 28 A10 23 29 A11 24 27 A9 25 26 A8 Address Inputs 11 16 DQ0 12 15 DQ1 13 14 DQ2 15 13 DQ3 16 12 DQ4 17 11 DQ5 18 10 DQ6 19 9 DQ7 Data Input/Outputs 20 8 CE Active-Low Chip Enable 22 7 OE Active-Low Output Enable 26 1 IRQ/FT Active-Low Interrupt/Frequency Test Output (Open Drain) 27 6 WE Active-Low Write Enable 28 5 VCC Power-Supply Input 17 GND Ground — 2, 3, 31–34 N.C No Connection |
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