DS1644 Series

Catalog

IC RTC CLK/CALENDAR PAR 34PCM

Part	Package / Case	Memory Size	Operating Temperature [Max]	Mounting Type	Type	Voltage - Supply [Min]	Voltage - Supply [Max]	Features	Interface	Supplier Device Package	Voltage - Supply, Battery	Current - Timekeeping (Max)	Time Format	Package / Case	Package / Case
Analog Devices Inc./Maxim Integrated DS1644P-120	34-PowerCap™ Module	32 KB	70 °C	Surface Mount	Clock/Calendar	4.5 V	5.5 V	Leap Year NVSRAM	Parallel	34-PowerCap Module	3 V	4 mA	HH:MM:SS (24 hr)
Analog Devices Inc./Maxim Integrated DS1644-120	28-DIP Module	32 KB	70 °C	Through Hole	Clock/Calendar	4.5 V	5.5 V	Leap Year NVSRAM	Parallel	28-EDIP		4 mA	HH:MM:SS (24 hr)	0.6 in	15.24 mm
Analog Devices Inc./Maxim Integrated DS1644-120+	28-DIP Module	32 KB	70 °C	Through Hole	Clock/Calendar	4.5 V	5.5 V	Leap Year NVSRAM	Parallel	28-EDIP		4 mA	HH:MM:SS (24 hr)	0.6 in	15.24 mm