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DS1554W-120 Datasheet(PDF) 11 Page - Dallas Semiconductor |
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DS1554W-120 Datasheet(HTML) 11 Page - Dallas Semiconductor |
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11 / 21 page  DS1554 11 of 21 DC ELECTRICAL CHARACTERISTICS (0°C to 70°C; VCC = 3.3V ± 10%) PARAMETER SYMBOL MIN TYP MAX UNITS NOTES Active Supply Current ICC 10 30 mA 2, 3 TTL Standby Current ( CE = VIH ) ICC1 0.7 3 mA 2, 3 CMOS Standby Current ( CE ≥=V CC - 0.2V) ICC2 0.7 2 mA 2, 3 Input Leakage Current (any input) IIL -1 +1 µA Output Leakage Current (any output) IOL -1 +1 µA Output Logic 1 Voltage (IOUT = -1.0 mA) VOH 2.4 V 1 Output Logic 0 Voltage (IOUT =2.1 mA, DQ0-7 Outputs) VOL1 0.4 V 1 (IOUT =10.0 mA, IRQ /FT and RST Outputs) VOL2 0.4 V 1, 5 Write Protection Voltage VPF 2.80 2.88 2.97 V 1 Battery Switch Over Voltage VSO VBAT or VPF V 1, 4 READ CYCLE TIMING DIAGRAM Figure 5 |
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