Features :
Package / Case :
Current - Timekeeping (Max) :
1254 products
IMAGE PART NO. PRICE (reference only) QUANTITY STOCK MANUFACTURE DESCRIPTION Series Part Status Packaging Operating Temperature Mounting Type Features Package / Case Type Interface Supplier Device Package Voltage - Supply Memory Size Time Format Date Format Voltage - Supply, Battery Current - Timekeeping (Max)
M41ST84WMQ6F
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RFQ
3,111
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STMicroelectronics IC RTC CLK/CALENDAR I2C 16-SOIC - Obsolete Tape & Reel (TR) -40°C ~ 85°C Surface Mount Alarm, Leap Year, NVSRAM, Square Wave Output, Supervisor, Watchdog Timer 16-SOIC (0.154", 3.90mm Width) Clock/Calendar I²C, 2-Wire Serial 16-SO 2.7 V ~ 3.6 V 44B HH:MM:SS:hh (24 hr) YY-MM-DD-dd 2.5 V ~ 3.5 V 0.5mA @ 2.7V ~ 3.6V
M41T256YMT7F
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RFQ
3,290
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STMicroelectronics IC RTC CLK/CALENDAR I2C 44-SOP Timekeeper® Obsolete Cut Tape (CT) -25°C ~ 70°C Surface Mount Leap Year, NVSRAM 44-BSOP (0.337", 8.56mm Width) Clock/Calendar I²C, 2-Wire Serial 44-SOH 4.5 V ~ 5.5 V 32KB HH:MM:SS:hh (24 hr) YY-MM-DD-dd 2.5 V ~ 3.5 V 2.5mA @ 4.5V ~ 5.5V
M41T256YMT7F
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RFQ
846
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STMicroelectronics IC RTC CLK/CALENDAR I2C 44-SOP Timekeeper® Obsolete Tape & Reel (TR) -25°C ~ 70°C Surface Mount Leap Year, NVSRAM 44-BSOP (0.337", 8.56mm Width) Clock/Calendar I²C, 2-Wire Serial 44-SOH 4.5 V ~ 5.5 V 32KB HH:MM:SS:hh (24 hr) YY-MM-DD-dd 2.5 V ~ 3.5 V 2.5mA @ 4.5V ~ 5.5V
M41T256YMH7F
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RFQ
1,247
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STMicroelectronics IC RTC CLK/CALENDAR I2C 44-SOH Timekeeper® Obsolete Cut Tape (CT) -25°C ~ 70°C Surface Mount Leap Year, NVSRAM 44-BSOP (0.337", 8.56mm Width) requires SNAPHAT Clock/Calendar I²C, 2-Wire Serial 44-SOH 4.5 V ~ 5.5 V 32KB HH:MM:SS:hh (24 hr) YY-MM-DD-dd 2.5 V ~ 3.5 V 2.5mA @ 4.5V ~ 5.5V
M41T256YMH7F
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RFQ
2,729
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STMicroelectronics IC RTC CLK/CALENDAR I2C 44-SOH Timekeeper® Obsolete Tape & Reel (TR) -25°C ~ 70°C Surface Mount Leap Year, NVSRAM 44-BSOP (0.337", 8.56mm Width) requires SNAPHAT Clock/Calendar I²C, 2-Wire Serial 44-SOH 4.5 V ~ 5.5 V 32KB HH:MM:SS:hh (24 hr) YY-MM-DD-dd 2.5 V ~ 3.5 V 2.5mA @ 4.5V ~ 5.5V
M41T56MH6F
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RFQ
1,667
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STMicroelectronics IC RTC CLK/CALENDAR I2C 28-SOIC - Obsolete Cut Tape (CT) -40°C ~ 85°C Surface Mount Leap Year, NVSRAM 28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets Clock/Calendar I²C, 2-Wire Serial 28-SOH 4.5 V ~ 5.5 V 56B HH:MM:SS (24 hr) YY-MM-DD-dd 2.5 V ~ 3.5 V 100µA (Typ) @ 4.5V ~ 5.5V
M41T56MH6F
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RFQ
3,935
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STMicroelectronics IC RTC CLK/CALENDAR I2C 28-SOIC - Obsolete Tape & Reel (TR) -40°C ~ 85°C Surface Mount Leap Year, NVSRAM 28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets Clock/Calendar I²C, 2-Wire Serial 28-SOH 4.5 V ~ 5.5 V 56B HH:MM:SS (24 hr) YY-MM-DD-dd 2.5 V ~ 3.5 V 100µA (Typ) @ 4.5V ~ 5.5V
M41T50Q6F
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RFQ
1,269
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STMicroelectronics IC RTC CLK/CALENDAR I2C 16QFN Timekeeper® Obsolete Tape & Reel (TR) -40°C ~ 85°C Surface Mount Alarm, Leap Year, Square Wave Output 16-VFQFN Exposed Pad Clock/Calendar I²C, 2-Wire Serial 16-QFN (3x3) 1.7 V ~ 3.6 V - HH:MM:SS (24 hr) YY-MM-DD-dd - 0.7µA @ 1.7V ~ 3.6V
DS1340Z-33/T&R
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RFQ
1,532
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Maxim Integrated IC RTC CLK/CALENDAR I2C 8-SOIC - Obsolete Tape & Reel (TR) -40°C ~ 85°C Surface Mount Leap Year, Trickle-Charger 8-SOIC (0.154", 3.90mm Width) Clock/Calendar I²C, 2-Wire Serial 8-SOIC 2.97 V ~ 5.5 V - HH:MM:SS (24 hr) YY-MM-DD-dd 1.3 V ~ 5.5 V 150µA @ 5.5V
DS1340Z-33
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RFQ
1,077
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Maxim Integrated IC RTC CLK/CALENDAR I2C 8-SOIC - Obsolete Tube -40°C ~ 85°C Surface Mount Leap Year, Trickle-Charger 8-SOIC (0.154", 3.90mm Width) Clock/Calendar I²C, 2-Wire Serial 8-SOIC 2.97 V ~ 5.5 V - HH:MM:SS (24 hr) YY-MM-DD-dd 1.3 V ~ 5.5 V 150µA @ 5.5V
DS1340Z-3
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RFQ
3,352
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Maxim Integrated IC RTC CLK/CALENDAR I2C 8-SOIC - Obsolete Tube -40°C ~ 85°C Surface Mount Leap Year, Trickle-Charger 8-SOIC (0.154", 3.90mm Width) Clock/Calendar I²C, 2-Wire Serial 8-SOIC 2.7 V ~ 5.5 V - HH:MM:SS (24 hr) YY-MM-DD-dd 1.3 V ~ 3.7 V 125µA @ 3.3V
DS1340Z-18
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RFQ
1,627
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Maxim Integrated IC RTC CLK/CALENDAR I2C 8-SOIC - Obsolete Tube -40°C ~ 85°C Surface Mount Leap Year, Trickle-Charger 8-SOIC (0.154", 3.90mm Width) Clock/Calendar I²C, 2-Wire Serial 8-SOIC 1.71 V ~ 5.5 V - HH:MM:SS (24 hr) YY-MM-DD-dd 1.3 V ~ 3.7 V 100µA @ 1.89V
DS1340U-33/T&R
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RFQ
2,528
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Maxim Integrated IC RTC CLK/CALENDAR I2C 8-USOP - Obsolete Tape & Reel (TR) -40°C ~ 85°C Surface Mount Leap Year, Trickle-Charger 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Clock/Calendar I²C, 2-Wire Serial 8-uMAX 2.97 V ~ 5.5 V - HH:MM:SS (24 hr) YY-MM-DD-dd 1.3 V ~ 5.5 V 150µA @ 5.5V
DS1340U-33
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RFQ
3,472
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Maxim Integrated IC RTC CLK/CALENDAR I2C 8-USOP - Obsolete Tube -40°C ~ 85°C Surface Mount Leap Year, Trickle-Charger 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Clock/Calendar I²C, 2-Wire Serial 8-uMAX 2.97 V ~ 5.5 V - HH:MM:SS (24 hr) YY-MM-DD-dd 1.3 V ~ 5.5 V 150µA @ 5.5V
DS1340U-3
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RFQ
3,610
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Maxim Integrated IC RTC CLK/CALENDAR I2C 8-USOP - Obsolete Tube -40°C ~ 85°C Surface Mount Leap Year, Trickle-Charger 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Clock/Calendar I²C, 2-Wire Serial 8-uMAX 2.7 V ~ 5.5 V - HH:MM:SS (24 hr) YY-MM-DD-dd 1.3 V ~ 3.7 V 125µA @ 3.3V
DS1340U-18
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RFQ
1,260
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Maxim Integrated IC RTC CLK/CALENDAR I2C 8-USOP - Obsolete Tube -40°C ~ 85°C Surface Mount Leap Year, Trickle-Charger 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Clock/Calendar I²C, 2-Wire Serial 8-uMAX 1.71 V ~ 5.5 V - HH:MM:SS (24 hr) YY-MM-DD-dd 1.3 V ~ 3.7 V 100µA @ 1.89V
DS1338Z-33
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RFQ
1,830
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Maxim Integrated IC RTC CLK/CALENDAR I2C 8-SOIC - Obsolete Tube -40°C ~ 85°C Surface Mount Leap Year, NVSRAM, Square Wave Output 8-SOIC (0.154", 3.90mm Width) Clock/Calendar I²C, 2-Wire Serial 8-SOIC 3 V ~ 5.5 V 56B HH:MM:SS (12/24 hr) YY-MM-DD-dd 1.3 V ~ 3.7 V 125µA ~ 200µA @ 3.63V ~ 5.5V
DS1338Z-3
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RFQ
3,564
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Maxim Integrated IC RTC CLK/CALENDAR I2C 8-SOIC - Obsolete Tube -40°C ~ 85°C Surface Mount Leap Year, NVSRAM, Square Wave Output 8-SOIC (0.154", 3.90mm Width) Clock/Calendar I²C, 2-Wire Serial 8-SOIC 2.7 V ~ 5.5 V 56B HH:MM:SS (12/24 hr) YY-MM-DD-dd 1.3 V ~ 3.7 V 200µA @ 3.3V
DS1338Z-18
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RFQ
3,997
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Maxim Integrated IC RTC CLK/CALENDAR I2C 8-SOIC - Obsolete Tube -40°C ~ 85°C Surface Mount Leap Year, NVSRAM, Square Wave Output 8-SOIC (0.154", 3.90mm Width) Clock/Calendar I²C, 2-Wire Serial 8-SOIC 1.71 V ~ 5.5 V 56B HH:MM:SS (12/24 hr) YY-MM-DD-dd 1.3 V ~ 3.7 V 100µA @ 1.89V
DS1338U-33/T&R
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RFQ
3,007
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Maxim Integrated IC RTC CLK/CALENDAR I2C 8-USOP - Active Tape & Reel (TR) -40°C ~ 85°C Surface Mount Leap Year, NVSRAM, Square Wave Output 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Clock/Calendar I²C, 2-Wire Serial 8-uMAX 3 V ~ 5.5 V 56B HH:MM:SS (12/24 hr) YY-MM-DD-dd 1.3 V ~ 3.7 V 125µA ~ 200µA @ 3.63V ~ 5.5V
DS1338U-33
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RFQ
3,479
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Maxim Integrated IC RTC CLK/CALENDAR I2C 8-USOP - Obsolete Tube -40°C ~ 85°C Surface Mount Leap Year, NVSRAM, Square Wave Output 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Clock/Calendar I²C, 2-Wire Serial 8-uMAX 3 V ~ 5.5 V 56B HH:MM:SS (12/24 hr) YY-MM-DD-dd 1.3 V ~ 3.7 V 125µA ~ 200µA @ 3.63V ~ 5.5V
DS1338U-3
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RFQ
1,196
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Maxim Integrated IC RTC CLK/CALENDAR I2C 8-USOP - Obsolete Tube -40°C ~ 85°C Surface Mount Leap Year, NVSRAM, Square Wave Output 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Clock/Calendar I²C, 2-Wire Serial 8-uMAX 2.7 V ~ 5.5 V 56B HH:MM:SS (12/24 hr) YY-MM-DD-dd 1.3 V ~ 3.7 V 200µA @ 3.3V
DS1338U-18
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RFQ
634
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Maxim Integrated IC RTC CLK/CALENDAR I2C 8-USOP - Obsolete Tube -40°C ~ 85°C Surface Mount Leap Year, NVSRAM, Square Wave Output 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Clock/Calendar I²C, 2-Wire Serial 8-uMAX 1.71 V ~ 5.5 V 56B HH:MM:SS (12/24 hr) YY-MM-DD-dd 1.3 V ~ 3.7 V 100µA @ 1.89V
DS1337U/T&R
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RFQ
3,858
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Maxim Integrated IC RTC CLK/CALENDAR I2C 8-USOP - Obsolete Tape & Reel (TR) -40°C ~ 85°C Surface Mount Alarm, Leap Year, Square Wave Output 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Clock/Calendar I²C, 2-Wire Serial 8-uMAX 1.8 V ~ 5.5 V - HH:MM:SS (12/24 hr) YY-MM-DD-dd - 0.6µA @ 1.3V ~ 1.8V
DS1337U
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RFQ
2,619
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Maxim Integrated IC RTC CLK/CALENDAR I2C 8-USOP - Obsolete Tube -40°C ~ 85°C Surface Mount Alarm, Leap Year, Square Wave Output 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Clock/Calendar I²C, 2-Wire Serial 8-uMAX 1.8 V ~ 5.5 V - HH:MM:SS (12/24 hr) YY-MM-DD-dd - 0.6µA @ 1.3V ~ 1.8V
DS1337S/T&R
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RFQ
1,746
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Maxim Integrated IC RTC CLK/CALENDAR I2C 8-SOIC - Obsolete Tape & Reel (TR) -40°C ~ 85°C Surface Mount Alarm, Leap Year, Square Wave Output 8-SOIC (0.154", 3.90mm Width) Clock/Calendar I²C, 2-Wire Serial 8-SOIC 1.8 V ~ 5.5 V - HH:MM:SS (12/24 hr) YY-MM-DD-dd - 0.6µA @ 1.3V ~ 1.8V
DS1337S
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RFQ
2,971
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Maxim Integrated IC RTC CLK/CALENDAR I2C 8-SOIC - Obsolete Tube -40°C ~ 85°C Surface Mount Alarm, Leap Year, Square Wave Output 8-SOIC (0.154", 3.90mm Width) Clock/Calendar I²C, 2-Wire Serial 8-SOIC 1.8 V ~ 5.5 V - HH:MM:SS (12/24 hr) YY-MM-DD-dd - 0.6µA @ 1.3V ~ 1.8V
DS1337
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RFQ
769
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Maxim Integrated IC RTC CLK/CALENDAR I2C 8-DIP - Obsolete Tube -40°C ~ 85°C Through Hole Alarm, Leap Year, Square Wave Output 8-DIP (0.300", 7.62mm) Clock/Calendar I²C, 2-Wire Serial 8-PDIP 1.8 V ~ 5.5 V - HH:MM:SS (12/24 hr) YY-MM-DD-dd - 0.6µA @ 1.3V ~ 1.8V
M41T81MX6
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RFQ
660
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STMicroelectronics IC RTC CLK/CALENDAR I2C 28-SOIC - Obsolete Tube -40°C ~ 85°C Surface Mount Alarm, Leap Year, Square Wave Output, Watchdog Timer 8-SOIC (0.154", 3.90mm Width) Clock/Calendar I²C, 2-Wire Serial 8-SO 2 V ~ 5.5 V - HH:MM:SS:hh (24 hr) YY-MM-DD-dd 2.5 V ~ 3.5 V 100µA @ 2V ~ 5.5V
M41T81M6E
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RFQ
1,789
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STMicroelectronics IC RTC CLK/CALENDAR I2C 8-SOIC - Discontinued at Digi-Key Tube -40°C ~ 85°C Surface Mount Alarm, Leap Year, Square Wave Output, Watchdog Timer 8-SOIC (0.154", 3.90mm Width) Clock/Calendar I²C, 2-Wire Serial 8-SO 2 V ~ 5.5 V - HH:MM:SS:hh (24 hr) YY-MM-DD-dd 2.5 V ~ 3.5 V 100µA @ 2V ~ 5.5V
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