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Packaging Series Type Features Memory Size Time Format Date Format Interface Voltage - Supply Voltage - Supply, Battery Current - Timekeeping (Max) Operating Temperature Mounting Type Package / Case Supplier Device Package
   
RTC-8564JE:B3:ROHS Datasheet RTC-8564JE:B3:ROHS - EPSON SER3252CT-ND IC RTC CLK/CALENDAR I2C 20-VSOJ 5,403 - Immediate
3.82000 1 Cut Tape (CT)?
Alternate Packaging
- Clock/Calendar Alarm, Y2K - HH:MM:SS YY-MM-DD-dd I²C, 2-Wire Serial 1.8 V ~ 5.5 V - 0.7µA ~ 0.8µA @ 3V ~ 5V -40°C ~ 85°C Surface Mount 20-LSSOJ (0.213", 5.40mm Width) 20-VSOJ
RTC-8564JE:B3:ROHS Datasheet RTC-8564JE:B3:ROHS - EPSON SER3252DKR-ND IC RTC CLK/CALENDAR I2C 20-VSOJ 5,403 - Immediate
Digi-Reel® 1 Digi-Reel®?
Alternate Packaging
- Clock/Calendar Alarm, Y2K - HH:MM:SS YY-MM-DD-dd I²C, 2-Wire Serial 1.8 V ~ 5.5 V - 0.7µA ~ 0.8µA @ 3V ~ 5V -40°C ~ 85°C Surface Mount 20-LSSOJ (0.213", 5.40mm Width) 20-VSOJ
RX-8571LC:B3 PURE SN Datasheet RX-8571LC:B3 PURE SN - EPSON SER3780TR-ND IC RTC CLK/CALENDAR I2C 12-VSOJ 2,750 - Immediate
2.94100 250 Tape & Reel (TR)?
Alternate Packaging
- Clock/Calendar Alarm, Leap Year, RAM 128b (16 x 8) HH:MM:SS (24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 1.6 V ~ 5.5 V - 0.55µA ~ 0.6µA @ 3V ~ 5V -40°C ~ 85°C Surface Mount 12-TFSOJ (0.094", 2.40mm Width) 12-VSOJ
RX-8571LC:B3 PURE SN Datasheet RX-8571LC:B3 PURE SN - EPSON SER3780CT-ND IC RTC CLK/CALENDAR I2C 12-VSOJ 3,143 - Immediate
3.82000 1 Cut Tape (CT)?
Alternate Packaging
- Clock/Calendar Alarm, Leap Year, RAM 128b (16 x 8) HH:MM:SS (24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 1.6 V ~ 5.5 V - 0.55µA ~ 0.6µA @ 3V ~ 5V -40°C ~ 85°C Surface Mount 12-TFSOJ (0.094", 2.40mm Width) 12-VSOJ
RX-8571LC:B3 PURE SN Datasheet RX-8571LC:B3 PURE SN - EPSON SER3780DKR-ND IC RTC CLK/CALENDAR I2C 12-VSOJ 3,143 - Immediate
Digi-Reel® 1 Digi-Reel®?
Alternate Packaging
- Clock/Calendar Alarm, Leap Year, RAM 128b (16 x 8) HH:MM:SS (24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 1.6 V ~ 5.5 V - 0.55µA ~ 0.6µA @ 3V ~ 5V -40°C ~ 85°C Surface Mount 12-TFSOJ (0.094", 2.40mm Width) 12-VSOJ
RX-4581NB:B3:ROHS Datasheet RX-4581NB:B3:ROHS - EPSON SER3651TR-ND IC RTC CLK/CALENDAR SPI 22-SON 3,250 - Immediate
2.99200 250 Tape & Reel (TR)?
Alternate Packaging
- Clock/Calendar Alarm, Leap Year, SRAM 128b (16 x 8) HH:MM:SS (24 hr) YY-MM-DD-dd SPI 1.6 V ~ 5.5 V - 0.8µA ~ 1.2µA @ 3V ~ 5V -40°C ~ 85°C Surface Mount 22-SMD (20 leads) Flat Leads 22-SON
RX-4581NB:B3:ROHS Datasheet RX-4581NB:B3:ROHS - EPSON SER3651CT-ND IC RTC CLK/CALENDAR SPI 22-SON 3,309 - Immediate
3.89000 1 Cut Tape (CT)?
Alternate Packaging
- Clock/Calendar Alarm, Leap Year, SRAM 128b (16 x 8) HH:MM:SS (24 hr) YY-MM-DD-dd SPI 1.6 V ~ 5.5 V - 0.8µA ~ 1.2µA @ 3V ~ 5V -40°C ~ 85°C Surface Mount 22-SMD (20 leads) Flat Leads 22-SON
RX-4581NB:B3:ROHS Datasheet RX-4581NB:B3:ROHS - EPSON SER3651DKR-ND IC RTC CLK/CALENDAR SPI 22-SON 3,309 - Immediate
Digi-Reel® 1 Digi-Reel®?
Alternate Packaging
- Clock/Calendar Alarm, Leap Year, SRAM 128b (16 x 8) HH:MM:SS (24 hr) YY-MM-DD-dd SPI 1.6 V ~ 5.5 V - 0.8µA ~ 1.2µA @ 3V ~ 5V -40°C ~ 85°C Surface Mount 22-SMD (20 leads) Flat Leads 22-SON
RTC-8564NB:B3:ROHS Datasheet RTC-8564NB:B3:ROHS - EPSON SER3649TR-ND IC RTC CLK/CALENDAR I2C 22-SON 1,500 - Immediate
3.14500 250 Tape & Reel (TR)?
Alternate Packaging
- Clock/Calendar Alarm, Y2K - HH:MM:SS YY-MM-DD-dd I²C, 2-Wire Serial 1.8 V ~ 5.5 V - 0.7µA ~ 0.8µA @ 3V ~ 5V -40°C ~ 85°C Surface Mount 22-SMD (20 leads) Flat Leads 22-SON
RTC-8564NB:B3:ROHS Datasheet RTC-8564NB:B3:ROHS - EPSON SER3649CT-ND IC RTC CLK/CALENDAR I2C 22-SON 1,695 - Immediate
4.09000 1 Cut Tape (CT)?
Alternate Packaging
- Clock/Calendar Alarm, Y2K - HH:MM:SS YY-MM-DD-dd I²C, 2-Wire Serial 1.8 V ~ 5.5 V - 0.7µA ~ 0.8µA @ 3V ~ 5V -40°C ~ 85°C Surface Mount 22-SMD (20 leads) Flat Leads 22-SON
RTC-8564NB:B3:ROHS Datasheet RTC-8564NB:B3:ROHS - EPSON SER3649DKR-ND IC RTC CLK/CALENDAR I2C 22-SON 1,695 - Immediate
Digi-Reel® 1 Digi-Reel®?
Alternate Packaging
- Clock/Calendar Alarm, Y2K - HH:MM:SS YY-MM-DD-dd I²C, 2-Wire Serial 1.8 V ~ 5.5 V - 0.7µA ~ 0.8µA @ 3V ~ 5V -40°C ~ 85°C Surface Mount 22-SMD (20 leads) Flat Leads 22-SON
M41ST85WMX6TR Datasheet M41ST85WMX6TR - STMicroelectronics 497-13794-2-ND IC RTC CLK/CALENDAR I2C 28-SOIC 3,000 - Immediate
3.21720 1,000 Tape & Reel (TR)?
Alternate Packaging
- Clock/Calendar Alarm, Leap Year, NVSRAM, Square Wave Output, Supervisor, Watchdog Timer 44B HH:MM:SS:hh (24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 2.7 V ~ 3.6 V 2.5 V ~ 3.5 V 0.5mA @ 2.7V ~ 3.6V -40°C ~ 85°C Surface Mount 28-SOIC (0.295", 7.50mm Width) 28-SOX
M41ST85WMX6TR Datasheet M41ST85WMX6TR - STMicroelectronics 497-13794-1-ND IC RTC CLK/CALENDAR I2C 28-SOIC 4,002 - Immediate
6.27000 1 Cut Tape (CT)?
Alternate Packaging
- Clock/Calendar Alarm, Leap Year, NVSRAM, Square Wave Output, Supervisor, Watchdog Timer 44B HH:MM:SS:hh (24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 2.7 V ~ 3.6 V 2.5 V ~ 3.5 V 0.5mA @ 2.7V ~ 3.6V -40°C ~ 85°C Surface Mount 28-SOIC (0.295", 7.50mm Width) 28-SOX
M41ST85WMX6TR Datasheet M41ST85WMX6TR - STMicroelectronics 497-13794-6-ND IC RTC CLK/CALENDAR I2C 28-SOIC 4,002 - Immediate
Digi-Reel® 1 Digi-Reel®?
Alternate Packaging
- Clock/Calendar Alarm, Leap Year, NVSRAM, Square Wave Output, Supervisor, Watchdog Timer 44B HH:MM:SS:hh (24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 2.7 V ~ 3.6 V 2.5 V ~ 3.5 V 0.5mA @ 2.7V ~ 3.6V -40°C ~ 85°C Surface Mount 28-SOIC (0.295", 7.50mm Width) 28-SOX
DS1307Z+ Datasheet DS1307Z+ - Maxim Integrated DS1307Z+-ND IC RTC CLK/CALENDAR I2C 8-SOIC 4,157 - Immediate
3.26000 1 Tube?
Alternate Packaging
- Clock/Calendar Leap Year, NVSRAM, Square Wave Output 56B HH:MM:SS (12/24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 4.5 V ~ 5.5 V 2 V ~ 3.5 V 200µA @ 5V 0°C ~ 70°C Surface Mount 8-SOIC (0.154", 3.90mm Width) 8-SOIC
DS1302Z+ Datasheet DS1302Z+ - Maxim Integrated DS1302Z+-ND IC RTC CLK/CALENDAR SER 8-SOIC 2,468 - Immediate
3.28000 1 Tube?
Alternate Packaging
- Clock/Calendar Leap Year, NVSRAM, Trickle-Charger 31B HH:MM:SS (12/24 hr) YY-MM-DD-dd 3-Wire Serial 2 V ~ 5.5 V 2 V ~ 5.5 V 0.3µA ~ 1µA @ 2V ~ 5V 0°C ~ 70°C Surface Mount 8-SOIC (0.154", 3.90mm Width) 8-SOIC
M41T94MH6F Datasheet M41T94MH6F - STMicroelectronics 497-5372-2-ND IC RTC CLK/CALENDAR SPI 28-SOIC 936 - Immediate
3.33993 936 Tape & Reel (TR)?
Alternate Packaging
- Clock/Calendar Alarm, Leap Year, NVRAM, Square Wave Output, Watchdog Timer 44B HH:MM:SS:hh (24 hr) YY-MM-DD-dd SPI 2.7 V ~ 5.5 V 2.5 V ~ 3.5 V 1.4mA @ 2.7V ~ 5.5V -40°C ~ 85°C Surface Mount 28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets 28-SOH
M41T94MH6F Datasheet M41T94MH6F - STMicroelectronics 497-5372-1-ND IC RTC CLK/CALENDAR SPI 28-SOIC 1,751 - Immediate
5.49000 1 Cut Tape (CT)?
Alternate Packaging
- Clock/Calendar Alarm, Leap Year, NVRAM, Square Wave Output, Watchdog Timer 44B HH:MM:SS:hh (24 hr) YY-MM-DD-dd SPI 2.7 V ~ 5.5 V 2.5 V ~ 3.5 V 1.4mA @ 2.7V ~ 5.5V -40°C ~ 85°C Surface Mount 28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets 28-SOH
M41T94MH6F Datasheet M41T94MH6F - STMicroelectronics 497-5372-6-ND IC RTC CLK/CALENDAR SPI 28-SOIC 1,751 - Immediate
Digi-Reel® 1 Digi-Reel®?
Alternate Packaging
- Clock/Calendar Alarm, Leap Year, NVRAM, Square Wave Output, Watchdog Timer 44B HH:MM:SS:hh (24 hr) YY-MM-DD-dd SPI 2.7 V ~ 5.5 V 2.5 V ~ 3.5 V 1.4mA @ 2.7V ~ 5.5V -40°C ~ 85°C Surface Mount 28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets 28-SOH
DS1307+ Datasheet DS1307+ - Maxim Integrated DS1307+-ND IC RTC CLK/CALENDAR I2C 8-DIP 4,182 - Immediate
3.37000 1 Tube? - Clock/Calendar Leap Year, NVSRAM, Square Wave Output 56B HH:MM:SS (12/24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 4.5 V ~ 5.5 V 2 V ~ 3.5 V 200µA @ 5V 0°C ~ 70°C Through Hole 8-DIP (0.300", 7.62mm) 8-PDIP
DS1338Z-33+ Datasheet DS1338Z-33+ - Maxim Integrated DS1338Z-33+-ND IC RTC CLK/CALENDAR I2C 8-SOIC 4,162 - Immediate
3.37000 1 Tube?
Alternate Packaging
- Clock/Calendar Leap Year, NVSRAM, Square Wave Output 56B HH:MM:SS (12/24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 3 V ~ 5.5 V 1.3 V ~ 3.7 V 125µA ~ 200µA @ 3.63V ~ 5.5V -40°C ~ 85°C Surface Mount 8-SOIC (0.154", 3.90mm Width) 8-SOIC
DS1390U-33+ Datasheet DS1390U-33+ - Maxim Integrated DS1390U-33+-ND IC RTC CLK/CALENDAR SPI 10-USOP 4,038 - Immediate
3.37000 1 Tube?
Alternate Packaging
- Clock/Calendar Alarm, Leap Year, Square Wave Output, Trickle-Charger - HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd SPI 2.97 V ~ 5.5 V 1.3 V ~ 5.5 V 175µA @ 2.97V ~ 5.5V -40°C ~ 85°C Surface Mount 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) 10-µSOP
DS1340U-33+ Datasheet DS1340U-33+ - Maxim Integrated DS1340U-33+-ND IC RTC CLK/CALENDAR I2C 8-USOP 3,837 - Immediate
3.37000 1 Tube?
Alternate Packaging
- Clock/Calendar Leap Year, Trickle-Charger - HH:MM:SS (24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 2.97 V ~ 5.5 V 1.3 V ~ 5.5 V 150µA @ 5.5V -40°C ~ 85°C Surface Mount 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) 8-uMAX
DS1340Z-33+ Datasheet DS1340Z-33+ - Maxim Integrated DS1340Z-33+-ND IC RTC CLK/CALENDAR I2C 8-SOIC 2,946 - Immediate
3.37000 1 Tube?
Alternate Packaging
- Clock/Calendar Leap Year, Trickle-Charger - HH:MM:SS (24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 2.97 V ~ 5.5 V 1.3 V ~ 5.5 V 150µA @ 5.5V -40°C ~ 85°C Surface Mount 8-SOIC (0.154", 3.90mm Width) 8-SOIC
DS1302S+ Datasheet DS1302S+ - Maxim Integrated DS1302S+-ND IC RTC CLK/CALENDAR SER 8-SOIC 2,769 - Immediate
3.37000 1 Tube?
Alternate Packaging
- Clock/Calendar Leap Year, NVSRAM, Trickle-Charger 31B HH:MM:SS (12/24 hr) YY-MM-DD-dd 3-Wire Serial 2 V ~ 5.5 V 2 V ~ 5.5 V 0.3µA ~ 1µA @ 2V ~ 5V 0°C ~ 70°C Surface Mount 8-SOIC (0.209", 5.30mm Width) 8-SO
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01:21:24 2/6/2016