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DS1743W-150 Datasheet(PDF) 7 Page - Dallas Semiconductor |
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DS1743W-150 Datasheet(HTML) 7 Page - Dallas Semiconductor |
7 / 17 page DS1743/DS1743P 7 of 17 DC ELECTRICAL CHARACTERISTICS (Over the Operating Range; 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 2 mA 2, 3 CMOS Standby Current ( CE ≥=V CC - 0.2V, CE2 = GND + 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 1 Output Logic 0 Voltage (IOUT =2.1 mA) VOL1 0.4 1 Write Protection Voltage VPF 2.80 2.97 V 1 Battery Switch-over Voltage VSO VBAT or VPF V1, 4 READ CYCLE, AC CHARACTERISTICS (Over the Operating Range; VCC = 5.0V ± 10%) 70 ns access 100 ns access PARAMETER SYMBOL MIN MAX MIN MAX UNITS NOTES Read Cycle Time tRC 70 100 ns 5 Address Access Time tAA 70 100 ns 5 CE to CE2 to DQ Low-Z tCEL 55 ns 5 CE Access Time tCEA 70 100 ns 5 CE2 Access Time tCE2A 80 105 ns 5 CE and CE2 Data Off time tCEZ 25 35 ns 5 OE to DQ Low-Z tOEL 55 ns 5 OE Access Time tOEA 35 55 ns 5 OE Data Off Time tOEZ 25 35 ns 5 Output Hold from Address tOH 55 ns 5 |
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