DS1501WS Maxim Integrated Products, DS1501WS Datasheet - Page 7

• Manufacturer Part Number: DS1501WS
• Description: IC RTC WDOG Y2KC 3.3V 28-SOIC
• Manufacturer: Maxim Integrated Products
• Type: Clock/Calendar/WDT/NVSRAM/Y2Kr

Specifications of DS1501WS

• Memory Size: 2K (256 x 8)
• Time Format: HH:MM:SS (24 hr)
• Date Format: YY-MM-DD-dd
• Interface: Parallel
• Voltage - Supply: 3 V ~ 3.6 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 28-SOIC (7.5mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

DS1501/DS1511 Y2KC Watchdog Real-Time Clocks
Figure 5. 3.3V Power-Up/Down Waveform Timing
Figure 6. 5V Power-Up/Down Waveform Timing
Warning: Under no circumstances are negative undershoots, of any amplitude, allowed when
device is in battery-backup mode.
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