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Product Index > Integrated Circuits (ICs) > Clock/Timing - Real Time Clocks

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Compare Parts Datasheets Image Digi-Key Part Number Manufacturer Part Number Manufacturer Description Quantity Available
Unit Price
HKD
Minimum Quantity Packaging Series Part Status 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
   
DS1338U-33+T&R Datasheet DS1338U-33+T&R - Maxim Integrated DS1338U-33+T&RTR-ND DS1338U-33+T&R IC RTC CLK/CALENDAR I2C 8-USOP 3,000 - Immediate Available: 3,000 HK$13.55043 3,000 Minimum: 3,000 Tape & Reel (TR)
Alternate Packaging
-
Active Clock/Calendar Leap Year, NVSRAM, Square Wave Output 56B HH:MM:SS (12/24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 3V ~ 5.5V 1.3V ~ 3.7V 125µA ~ 200µA @ 3.63V ~ 5.5V -40°C ~ 85°C Surface Mount 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) 8-uMAX
DS1338U-33+T&R Datasheet DS1338U-33+T&R - Maxim Integrated DS1338U-33+T&RCT-ND DS1338U-33+T&R IC RTC CLK/CALENDAR I2C 8-USOP 4,443 - Immediate Available: 4,443 HK$27.82000 1 Minimum: 1 Cut Tape (CT)
Alternate Packaging
-
Active Clock/Calendar Leap Year, NVSRAM, Square Wave Output 56B HH:MM:SS (12/24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 3V ~ 5.5V 1.3V ~ 3.7V 125µA ~ 200µA @ 3.63V ~ 5.5V -40°C ~ 85°C Surface Mount 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) 8-uMAX
DS1338U-33+T&R Datasheet DS1338U-33+T&R - Maxim Integrated DS1338U-33+T&RDKR-ND DS1338U-33+T&R IC RTC CLK/CALENDAR I2C 8-USOP 4,443 - Immediate Available: 4,443 Digi-Reel® 1 Minimum: 1 Digi-Reel®
Alternate Packaging
-
Active Clock/Calendar Leap Year, NVSRAM, Square Wave Output 56B HH:MM:SS (12/24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 3V ~ 5.5V 1.3V ~ 3.7V 125µA ~ 200µA @ 3.63V ~ 5.5V -40°C ~ 85°C Surface Mount 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) 8-uMAX
RX-8025SA:AA3 Datasheet RX-8025SA:AA3 - EPSON SER3650TR-ND RX-8025SA:AA3 IC RTC CLK/CALENDAR I2C 14-SOP 13,508 - Immediate Available: 13,508 HK$22.26292 250 Minimum: 250 Tape & Reel (TR)
Alternate Packaging
RX-8025SA Active Clock/Calendar Alarm, Leap Year
-
HH:MM:SS (12/24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 1.7V ~ 5.5V
-
1.2µA ~ 1.8µA @ 3V ~ 5V -40°C ~ 85°C Surface Mount 14-SOIC (0.209", 5.30mm Width) 14-SOP
RX-8025SA:AA3 Datasheet RX-8025SA:AA3 - EPSON SER3650CT-ND RX-8025SA:AA3 IC RTC CLK/CALENDAR I2C 14-SOP 13,508 - Immediate Available: 13,508 HK$32.86000 1 Minimum: 1 Cut Tape (CT)
Alternate Packaging
RX-8025SA Active Clock/Calendar Alarm, Leap Year
-
HH:MM:SS (12/24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 1.7V ~ 5.5V
-
1.2µA ~ 1.8µA @ 3V ~ 5V -40°C ~ 85°C Surface Mount 14-SOIC (0.209", 5.30mm Width) 14-SOP
RX-8025SA:AA3 Datasheet RX-8025SA:AA3 - EPSON SER3650DKR-ND RX-8025SA:AA3 IC RTC CLK/CALENDAR I2C 14-SOP 13,508 - Immediate Available: 13,508 Digi-Reel® 1 Minimum: 1 Digi-Reel®
Alternate Packaging
RX-8025SA Active Clock/Calendar Alarm, Leap Year
-
HH:MM:SS (12/24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 1.7V ~ 5.5V
-
1.2µA ~ 1.8µA @ 3V ~ 5V -40°C ~ 85°C Surface Mount 14-SOIC (0.209", 5.30mm Width) 14-SOP
RTC-4574SA:B3 ROHS Datasheet RTC-4574SA:B3 ROHS - EPSON SER3648TR-ND RTC-4574SA:B3 ROHS IC RTC CLK/CALENDAR SER 14-SOP 8,250 - Immediate Available: 8,250 HK$22.26292
-
Tape & Reel (TR)
Alternate Packaging
RTC-4574SA Obsolete Clock/Calendar Alarm, Leap Year
-
HH:MM:SS (24 hr) YY-MM-DD-dd 3-Wire Serial 1.6V ~ 5.5V
-
1µA ~ 2µA @ 3V ~ 5V -40°C ~ 85°C Surface Mount 14-SOIC (0.209", 5.30mm Width) 14-SOP
RTC-4574SA:B3 ROHS Datasheet RTC-4574SA:B3 ROHS - EPSON SER3648CT-ND RTC-4574SA:B3 ROHS IC RTC CLK/CALENDAR SER 14-SOP 8,482 - Immediate Available: 8,482 HK$32.86000
-
Cut Tape (CT)
Alternate Packaging
RTC-4574SA Obsolete Clock/Calendar Alarm, Leap Year
-
HH:MM:SS (24 hr) YY-MM-DD-dd 3-Wire Serial 1.6V ~ 5.5V
-
1µA ~ 2µA @ 3V ~ 5V -40°C ~ 85°C Surface Mount 14-SOIC (0.209", 5.30mm Width) 14-SOP
RTC-4574SA:B3 ROHS Datasheet RTC-4574SA:B3 ROHS - EPSON SER3648DKR-ND RTC-4574SA:B3 ROHS IC RTC CLK/CALENDAR SER 14-SOP 8,482 - Immediate Available: 8,482 Digi-Reel®
-
Digi-Reel®
Alternate Packaging
RTC-4574SA Obsolete Clock/Calendar Alarm, Leap Year
-
HH:MM:SS (24 hr) YY-MM-DD-dd 3-Wire Serial 1.6V ~ 5.5V
-
1µA ~ 2µA @ 3V ~ 5V -40°C ~ 85°C Surface Mount 14-SOIC (0.209", 5.30mm Width) 14-SOP
DS1339AU+ Datasheet DS1339AU+ - Maxim Integrated DS1339AU+-ND DS1339AU+ IC RTC CLK/CALENDAR I2C 8-USOP 9,295 - Immediate
3,350 - Factory Stock
Available: 9,295
HK$33.03000 1 Minimum: 1 Tube
Alternate Packaging
-
Active Clock/Calendar Alarm, Leap Year, Square Wave Output, Trickle-Charger
-
HH:MM:SS (12/24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 1.71V ~ 5.5V 1.3V ~ 3.7V 200µA @ 1.71V ~ 5.5V -40°C ~ 85°C Surface Mount 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) 8-uMAX
DS3232MZ+ Datasheet DS3232MZ+ - Maxim Integrated DS3232MZ+-ND DS3232MZ+ IC RTC CLK/CALENDAR I2C 8-SOIC 8,820 - Immediate
3,300 - Factory Stock
Available: 8,820
HK$65.97000 1 Minimum: 1 Tube
Alternate Packaging
-
Active Clock/Calendar Alarm, Leap Year, Square Wave Output, SRAM 236B HH:MM:SS (12/24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 2.3V ~ 4.5V 2.3V ~ 4.5V 175µA @ 2.3V ~ 4.5V -40°C ~ 85°C Surface Mount 8-SOIC (0.154", 3.90mm Width) 8-SOIC
M48T35Y-70PC1 Datasheet M48T35Y-70PC1 - STMicroelectronics 497-2851-5-ND M48T35Y-70PC1 IC RTC CLK/CALENDAR PAR 28DIP 1,140 - Immediate Available: 1,140 HK$214.14000 1 Minimum: 1 Tube Timekeeper® Active Clock/Calendar Leap Year
-
HH:MM:SS (24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V
-
2mA @ 4.75V ~ 5.5V 0°C ~ 70°C Through Hole 28-DIP Module (0.600", 15.24mm) 28-PCDIP, CAPHAT®
S-35390A-J8T1G Datasheet S-35390A-J8T1G - ABLIC U.S.A. Inc. 728-1006-2-ND S-35390A-J8T1G IC RTC CLK/CALENDAR I2C 8-SOP 20,000 - Immediate Available: 20,000 HK$5.18569 2,000 Minimum: 2,000 Tape & Reel (TR)
Alternate Packaging
-
Active Clock/Calendar Alarm, Leap Year
-
HH:MM:SS (12/24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 1.3V ~ 5.5V
-
0.93µA ~ 1.1µA @ 3V ~ 5V -40°C ~ 85°C Surface Mount 8-SOIC (0.154", 3.90mm Width) 8-SOP-J
S-35390A-J8T1G Datasheet S-35390A-J8T1G - ABLIC U.S.A. Inc. 728-1006-1-ND S-35390A-J8T1G IC RTC CLK/CALENDAR I2C 8-SOP 20,622 - Immediate Available: 20,622 HK$12.63000 1 Minimum: 1 Cut Tape (CT)
Alternate Packaging
-
Active Clock/Calendar Alarm, Leap Year
-
HH:MM:SS (12/24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 1.3V ~ 5.5V
-
0.93µA ~ 1.1µA @ 3V ~ 5V -40°C ~ 85°C Surface Mount 8-SOIC (0.154", 3.90mm Width) 8-SOP-J
S-35390A-J8T1G Datasheet S-35390A-J8T1G - ABLIC U.S.A. Inc. 728-1006-6-ND S-35390A-J8T1G IC RTC CLK/CALENDAR I2C 8-SOP 20,622 - Immediate Available: 20,622 Digi-Reel® 1 Minimum: 1 Digi-Reel®
Alternate Packaging
-
Active Clock/Calendar Alarm, Leap Year
-
HH:MM:SS (12/24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 1.3V ~ 5.5V
-
0.93µA ~ 1.1µA @ 3V ~ 5V -40°C ~ 85°C Surface Mount 8-SOIC (0.154", 3.90mm Width) 8-SOP-J
S-35390A-T8T1G Datasheet S-35390A-T8T1G - ABLIC U.S.A. Inc. 728-1007-2-ND S-35390A-T8T1G IC RTC CLK/CALENDAR I2C 8-TSSOP 9,000 - Immediate Available: 9,000 HK$5.18568 3,000 Minimum: 3,000 Tape & Reel (TR)
Alternate Packaging
-
Active Clock/Calendar Alarm, Leap Year
-
HH:MM:SS (12/24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 1.3V ~ 5.5V
-
0.93µA ~ 1.1µA @ 3V ~ 5V -40°C ~ 85°C Surface Mount 8-TSSOP (0.173", 4.40mm Width) 8-TSSOP
S-35390A-T8T1G Datasheet S-35390A-T8T1G - ABLIC U.S.A. Inc. 728-1007-1-ND S-35390A-T8T1G IC RTC CLK/CALENDAR I2C 8-TSSOP 10,765 - Immediate Available: 10,765 HK$12.63000 1 Minimum: 1 Cut Tape (CT)
Alternate Packaging
-
Active Clock/Calendar Alarm, Leap Year
-
HH:MM:SS (12/24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 1.3V ~ 5.5V
-
0.93µA ~ 1.1µA @ 3V ~ 5V -40°C ~ 85°C Surface Mount 8-TSSOP (0.173", 4.40mm Width) 8-TSSOP
S-35390A-T8T1G Datasheet S-35390A-T8T1G - ABLIC U.S.A. Inc. 728-1007-6-ND S-35390A-T8T1G IC RTC CLK/CALENDAR I2C 8-TSSOP 10,765 - Immediate Available: 10,765 Digi-Reel® 1 Minimum: 1 Digi-Reel®
Alternate Packaging
-
Active Clock/Calendar Alarm, Leap Year
-
HH:MM:SS (12/24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 1.3V ~ 5.5V
-
0.93µA ~ 1.1µA @ 3V ~ 5V -40°C ~ 85°C Surface Mount 8-TSSOP (0.173", 4.40mm Width) 8-TSSOP
BQ32000DR Datasheet BQ32000DR - Texas Instruments 296-24583-2-ND BQ32000DR IC RTC CLK/CALENDAR I2C 8-SOIC 2,500 - Immediate
10,000 - Factory Stock
Available: 2,500
HK$5.78311 2,500 Minimum: 2,500 Tape & Reel (TR)
Alternate Packaging
-
Active Clock/Calendar Leap Year, Square Wave Output, Trickle-Charger
-
HH:MM:SS (24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 3V ~ 3.6V 1.4V ~ 3.6V 100µA @ 3.3V -40°C ~ 85°C Surface Mount 8-SOIC (0.154", 3.90mm Width) 8-SOIC
BQ32000DR Datasheet BQ32000DR - Texas Instruments 296-24583-1-ND BQ32000DR IC RTC CLK/CALENDAR I2C 8-SOIC 5,821 - Immediate
10,001 - Factory Stock
Available: 5,821
HK$14.08000 1 Minimum: 1 Cut Tape (CT)
Alternate Packaging
-
Active Clock/Calendar Leap Year, Square Wave Output, Trickle-Charger
-
HH:MM:SS (24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 3V ~ 3.6V 1.4V ~ 3.6V 100µA @ 3.3V -40°C ~ 85°C Surface Mount 8-SOIC (0.154", 3.90mm Width) 8-SOIC
BQ32000DR Datasheet BQ32000DR - Texas Instruments 296-24583-6-ND BQ32000DR IC RTC CLK/CALENDAR I2C 8-SOIC 5,821 - Immediate
10,001 - Factory Stock
Available: 5,821
Digi-Reel® 1 Minimum: 1 Digi-Reel®
Alternate Packaging
-
Active Clock/Calendar Leap Year, Square Wave Output, Trickle-Charger
-
HH:MM:SS (24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 3V ~ 3.6V 1.4V ~ 3.6V 100µA @ 3.3V -40°C ~ 85°C Surface Mount 8-SOIC (0.154", 3.90mm Width) 8-SOIC
MCP7940NT-I/SN Datasheet MCP7940NT-I/SN - Microchip Technology MCP7940NT-I/SNTR-ND MCP7940NT-I/SN IC RTC CLK/CALENDAR I2C 8-SOIC 6,600 - Immediate Available: 6,600 HK$5.80362 3,300 Minimum: 3,300 Tape & Reel (TR)
Alternate Packaging
Automotive, AEC-Q100 Active Clock/Calendar Alarm, Leap Year, Square Wave Output, SRAM 64B HH:MM:SS (12/24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 1.8V ~ 5.5V 1.3V ~ 5.5V 1.2µA @ 3.3V -40°C ~ 85°C Surface Mount 8-SOIC (0.154", 3.90mm Width) 8-SOIC
MCP7940NT-I/SN Datasheet MCP7940NT-I/SN - Microchip Technology MCP7940NT-I/SNCT-ND MCP7940NT-I/SN IC RTC CLK/CALENDAR I2C 8-SOIC 8,435 - Immediate Available: 8,435 HK$6.32000 1 Minimum: 1 Cut Tape (CT)
Alternate Packaging
Automotive, AEC-Q100 Active Clock/Calendar Alarm, Leap Year, Square Wave Output, SRAM 64B HH:MM:SS (12/24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 1.8V ~ 5.5V 1.3V ~ 5.5V 1.2µA @ 3.3V -40°C ~ 85°C Surface Mount 8-SOIC (0.154", 3.90mm Width) 8-SOIC
MCP7940NT-I/SN Datasheet MCP7940NT-I/SN - Microchip Technology MCP7940NT-I/SNDKR-ND MCP7940NT-I/SN IC RTC CLK/CALENDAR I2C 8-SOIC 8,435 - Immediate Available: 8,435 Digi-Reel® 1 Minimum: 1 Digi-Reel®
Alternate Packaging
Automotive, AEC-Q100 Active Clock/Calendar Alarm, Leap Year, Square Wave Output, SRAM 64B HH:MM:SS (12/24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 1.8V ~ 5.5V 1.3V ~ 5.5V 1.2µA @ 3.3V -40°C ~ 85°C Surface Mount 8-SOIC (0.154", 3.90mm Width) 8-SOIC
MCP7940N-I/SN Datasheet MCP7940N-I/SN - Microchip Technology MCP7940N-I/SN-ND MCP7940N-I/SN IC RTC CLK/CALENDAR I2C 8-SOIC 10,013 - Immediate Available: 10,013 HK$6.32000 1 Minimum: 1 Tube
Alternate Packaging
Automotive, AEC-Q100 Active Clock/Calendar Alarm, Leap Year, Square Wave Output, SRAM 64B HH:MM:SS (12/24 hr) YY-MM-DD-dd I²C, 2-Wire Serial 1.8V ~ 5.5V 1.3V ~ 5.5V 1.2µA @ 3.3V -40°C ~ 85°C Surface Mount 8-SOIC (0.154", 3.90mm Width) 8-SOIC
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09:20:22 12/11/2019