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Mfr Part #
Price
Stock
Mfr
Min Qty
DK Part #
Series
Package
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
14-SOP
IC RTC CLK/CALENDAR SER 14-SOP
$5.88000
1,424
EPSON1
SER3648TR-ND
SER3648CT-ND
SER3648DKR-ND
RTC-4574SA
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
ObsoleteClock/CalendarAlarm, Leap Year-HH:MM:SS (24 hr)YY-MM-DD-dd3-Wire Serial1.6V ~ 5.5V-1µA ~ 2µA @ 3V ~ 5V-40°C ~ 85°CSurface Mount14-SOIC (0.209"", 5.30mm Width)14-SOP
MSOP-8
IC RTC CLK/CALENDAR I2C 8-USOP
$6.24000
9,275
Maxim Integrated1
DS1339AU+-ND
-
Tube
ActiveClock/CalendarAlarm, Leap Year, Square Wave Output, Trickle-Charger-HH:MM:SS (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial1.71V ~ 5.5V1.3V ~ 3.7V200µA @ 1.71V ~ 5.5V-40°C ~ 85°CSurface Mount8-TSSOP, 8-MSOP (0.118"", 3.00mm Width)8-uMAX
8-SOIC
IC RTC CLK/CALENDAR I2C 8-SOIC
$12.44000
6,030
Maxim Integrated1
DS3232MZ+-ND
-
Tube
ActiveClock/CalendarAlarm, Leap Year, Square Wave Output, SRAM236BHH:MM:SS (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial2.3V ~ 4.5V2.3V ~ 4.5V175µA @ 2.3V ~ 4.5V-40°C ~ 85°CSurface Mount8-SOIC (0.154"", 3.90mm Width)8-SOIC
28-PCDIP
IC RTC CLK/CALENDAR PAR 28DIP
$39.46000
857
STMicroelectronics1
497-2851-5-ND
Timekeeper®
Tube
ActiveClock/CalendarLeap Year-HH:MM:SS (24 hr)YY-MM-DD-ddParallel4.5V ~ 5.5V-2mA @ 4.75V ~ 5.5V0°C ~ 70°CThrough Hole28-DIP Module (0.600"", 15.24mm)28-PCDIP, CAPHAT®
8-TSSOP
IC RTC CLK/CALENDAR I2C 8-TSSOP
$2.25000
12,405
ABLIC U.S.A. Inc.1
728-1007-2-ND
728-1007-1-ND
728-1007-6-ND
-
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
ActiveClock/CalendarAlarm, Leap Year-HH:MM:SS (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial1.3V ~ 5.5V-0.93µA ~ 1.1µA @ 3V ~ 5V-40°C ~ 85°CSurface Mount8-TSSOP (0.173"", 4.40mm Width)8-TSSOP
8-SOIC
IC RTC CLK/CALENDAR I2C 8-SOIC
$1.16000
7,805
Microchip Technology1
MCP7940NT-I/SNTR-ND
MCP7940NT-I/SNCT-ND
MCP7940NT-I/SNDKR-ND
Automotive, AEC-Q100
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
ActiveClock/CalendarAlarm, Leap Year, Square Wave Output, SRAM64BHH:MM:SS (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial1.8V ~ 5.5V1.3V ~ 5.5V1.2µA @ 3.3V-40°C ~ 85°CSurface Mount8-SOIC (0.154"", 3.90mm Width)8-SOIC
8-SOIC
IC RTC CLK/CALENDAR I2C 8-SOIC
$2.52000
13,078
Texas Instruments1
296-24583-2-ND
296-24583-1-ND
296-24583-6-ND
-
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
ActiveClock/CalendarLeap Year, Square Wave Output, Trickle-Charger-HH:MM:SS (24 hr)YY-MM-DD-ddI²C, 2-Wire Serial3V ~ 3.6V1.4V ~ 3.6V100µA @ 3.3V-40°C ~ 85°CSurface Mount8-SOIC (0.154"", 3.90mm Width)8-SOIC
8-TDFN
IC RTC CLK/CALENDAR I2C 8-TDFN
$1.29000
4,249
Microchip Technology1
MCP7940NT-I/MNYTR-ND
MCP7940NT-I/MNYCT-ND
MCP7940NT-I/MNYDKR-ND
Automotive, AEC-Q100
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
ActiveClock/CalendarAlarm, Leap Year, Square Wave Output, SRAM64BHH:MM:SS (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial1.8V ~ 5.5V1.3V ~ 5.5V1.2µA @ 3.3V-40°C ~ 85°CSurface Mount8-WFDFN Exposed Pad8-TDFN (2x3)
8-SOIC
IC RTC CLK/CALENDAR I2C 8-SOIC
$1.16000
4,387
Microchip Technology1
MCP7940N-I/SN-ND
Automotive, AEC-Q100
Tube
ActiveClock/CalendarAlarm, Leap Year, Square Wave Output, SRAM64BHH:MM:SS (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial1.8V ~ 5.5V1.3V ~ 5.5V1.2µA @ 3.3V-40°C ~ 85°CSurface Mount8-SOIC (0.154"", 3.90mm Width)8-SOIC
10-SSOP-G
IC REAL TIME CLOCK 4 WIRE SERIAL
$2.63000
5,220
RICOH Electronic Devices Co., LTD.1
2129-RV5C348A-E2-FTR-ND
2129-RV5C348A-E2-FCT-ND
2129-RV5C348A-E2-FDKR-ND
-
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
ActiveClock/CalendarAlarm, Leap Year-HH:MM:SS (12/24 hr)YY-MM-DD-dd4-Wire Serial2V ~ 5.5V-1µA @ 3V-40°C ~ 85°CSurface Mount10-LFSOP, 10-MSOP (0.110"", 2.80mm Width)10-SSOP-G
16-QFN
IC RTC CLK/CALENDAR SPI 16-QFN
$2.64000
63,383
Abracon LLC1
535-11930-2-ND
535-11930-1-ND
535-11930-6-ND
-
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
ActiveClock/CalendarAlarm, Leap Year, SRAM, Trickle-Charger, Watchdog Timer256BHH:MM:SS:hhYY-MM-DD-ddSPI1.7V ~ 3.6V1.5V ~ 3.6V0.17µA ~ 0.22µA @ 1.8V ~ 3V-40°C ~ 85°CSurface Mount16-VFQFN Exposed Pad16-QFN (3x3)
16-QFN
IC RTC CLK/CALENDAR I2C 16-QFN
$2.64000
31,880
Abracon LLC1
535-11926-2-ND
535-11926-1-ND
535-11926-6-ND
-
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
ActiveClock/CalendarAlarm, Leap Year, SRAM, Trickle-Charger, Watchdog Timer256BHH:MM:SS:hhYY-MM-DD-ddI²C, 2-Wire Serial1.7V ~ 3.6V1.5V ~ 3.6V0.17µA ~ 0.22µA @ 1.8V ~ 3V-40°C ~ 85°CSurface Mount16-VFQFN Exposed Pad16-QFN (3x3)
16-QFN
IC RTC CLK/CALENDAR I2C 16-QFN
$2.82000
27,781
Abracon LLC1
535-11932-2-ND
535-11932-1-ND
535-11932-6-ND
-
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
ActiveClock/CalendarAlarm, Leap Year, SRAM, Trickle-Charger, Watchdog Timer256BHH:MM:SS:hhYY-MM-DD-ddI²C, 2-Wire Serial1.7V ~ 3.6V1.5V ~ 3.6V0.17µA ~ 0.22µA @ 1.8V ~ 3V-40°C ~ 85°CSurface Mount16-VFQFN Exposed Pad16-QFN (3x3)
16-QFN
IC RTC CLK/CALENDAR SPI 16-QFN
$2.82000
9,888
Abracon LLC1
535-11936-2-ND
535-11936-1-ND
535-11936-6-ND
-
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
ActiveClock/CalendarAlarm, Leap Year, SRAM, Trickle-Charger, Watchdog Timer256BHH:MM:SS:hhYY-MM-DD-ddSPI1.7V ~ 3.6V1.5V ~ 3.6V0.17µA ~ 0.22µA @ 1.8V ~ 3V-40°C ~ 85°CSurface Mount16-VFQFN Exposed Pad16-QFN (3x3)
16-QFN
IC RTC CLK/CALENDAR I2C 16-QFN
$3.00000
3,471
STMicroelectronics1
497-3908-2-ND
497-3908-1-ND
497-3908-6-ND
Timekeeper®
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
ActiveClock/CalendarAlarm, Leap Year, Watchdog Timer-HH:MM:SS:hh (24 hr)YY-MM-DD-ddI²C, 2-Wire Serial1.3V ~ 4.4V-0.7µA ~ 0.95µA @ 1.3V ~ 4.4V-40°C ~ 85°CSurface Mount16-VFQFN Exposed Pad16-QFN (3x3)
8-SOIC
IC RTC CLK/CALENDAR I2C 8-SOIC
$3.04000
4,538
STMicroelectronics1
497-4698-2-ND
497-4698-1-ND
497-4698-6-ND
-
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
ActiveClock/Calendar--HH:MM:SSYY-MM-DD-ddI²C, 2-Wire Serial2V ~ 5.5V-1.2µA ~ 31µA @ 3V ~ 5.5V-40°C ~ 85°CSurface Mount8-SOIC (0.154"", 3.90mm Width)8-SO
8-SOIC
IC RTC CLK/CALENDAR I2C 8-SOIC
$1.42000
5,241
Microchip Technology1
MCP79410-I/SN-ND
-
Tube
ActiveClock/CalendarAlarm, Leap Year, Square Wave Output, SRAM, Unique ID64B, 1KbHH:MM:SS (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial1.8V ~ 5.5V1.3V ~ 5.5V1.2µA @ 3.3V-40°C ~ 85°CSurface Mount8-SOIC (0.154"", 3.90mm Width)8-SOIC
8-SOIC
IC RTC CLK/CALENDAR I2C 8-SOIC
$1.54000
4,343
Microchip Technology1
MCP79412-I/SN-ND
-
Tube
ActiveClock/CalendarAlarm, Leap Year, Square Wave Output, SRAM, Unique ID64B, 1KbHH:MM:SS (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial1.8V ~ 5.5V1.3V ~ 5.5V1.2µA @ 3.3V-40°C ~ 85°CSurface Mount8-SOIC (0.154"", 3.90mm Width)8-SOIC
10-MSOP
IC RTC CLK/CALENDAR SPI 10-MSOP
$1.76000
3,483
Microchip Technology1
MCP79510T-I/MSTR-ND
MCP79510T-I/MSCT-ND
MCP79510T-I/MSDKR-ND
-
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
ActiveClock/CalendarAlarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID64BHH:MM:SS:hh (12/24 hr)YY-MM-DD-ddSPI1.8V ~ 3.6V1.3V ~ 3.6V1µA @ 1.8V ~ 3.6V-40°C ~ 85°CSurface Mount10-TFSOP, 10-MSOP (0.118"", 3.00mm Width)10-MSOP
8-MSOP
IC RTC CLK/CALENDAR I2C 8-MSOP
$1.60000
6,452
Microchip Technology1
MCP79411-I/MS-ND
-
Tube
ActiveClock/CalendarAlarm, Leap Year, Square Wave Output, SRAM, Unique ID64B, 1KbHH:MM:SS (12/24 hr)YY-MM-DD-ddI²C, 2-Wire Serial1.8V ~ 5.5V1.3V ~ 5.5V1.2µA @ 3.3V-40°C ~ 85°CSurface Mount8-TSSOP, 8-MSOP (0.118"", 3.00mm Width)8-MSOP
10-MSOP
IC RTC CLK/CALENDAR SPI 10-MSOP
$1.76000
1,726
Microchip Technology1
MCP79510-I/MS-ND
-
Tube
ActiveClock/CalendarAlarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID64BHH:MM:SS:hh (12/24 hr)YY-MM-DD-ddSPI1.8V ~ 3.6V1.3V ~ 3.6V1µA @ 1.8V ~ 3.6V-40°C ~ 85°CSurface Mount10-TFSOP, 10-MSOP (0.118"", 3.00mm Width)10-MSOP
RV-4162-C7
IC RTC CLK/CALENDAR I2C 8-SMT
$3.59000
6,063
Micro Crystal AG1
2195-RV-4162-C7-32.768KHZ-20PPM-TA-QCTR-ND
2195-RV-4162-C7-32.768KHZ-20PPM-TA-QCCT-ND
2195-RV-4162-C7-32.768KHZ-20PPM-TA-QCDKR-ND
-
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
ActiveClock/CalendarAlarm, Leap Year, Watchdog Timer-HH:MM:SS:hhYY-MM-DD-ddI²C1V ~ 4.4V-500nA @ 3V-40°C ~ 85°C (TA)Surface Mount8-WCDFN8-SON (3.2x1.5)
6-TSOC
IC RTC BINARY CNT SER 6-TSOC
$4.03000
11,929
Maxim Integrated1
DS2417P+T&RTR-ND
DS2417P+T&RCT-ND
DS2417P+T&RDKR-ND
-
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
ActiveBinary CounterUnique ID-BinaryBinary1-Wire® Serial2.5V ~ 5.5V-0.45µA @ 2.5V ~ 5.5V-40°C ~ 85°CSurface Mount6-LSOJ (0.148"", 3.76mm Width)6-TSOC
8-SOIC
IC RTC CLK/CALENDAR I2C 8-SOIC
$3.93000
4,472
STMicroelectronics1
497-7828-2-ND
497-7828-1-ND
497-7828-6-ND
-
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
ActiveClock/CalendarAlarm, Leap Year, SRAM, Watchdog Timer7BHH:MM:SS:hh (24 hr)YY-MM-DD-ddI²C, 2-Wire Serial2.38V ~ 5.5V2V ~ 5.5V10µA @ 5.5V-40°C ~ 85°CSurface Mount8-SOIC (0.154"", 3.90mm Width)8-SO
8-SOIC
IC RTC CLK/CALENDAR I2C 8-SOIC
$4.03000
7,713
STMicroelectronics1
497-4684-2-ND
497-4684-1-ND
497-4684-6-ND
-
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
ActiveClock/CalendarAlarm, Leap Year, Square Wave Output, Watchdog Timer-HH:MM:SS:hh (24 hr)YY-MM-DD-ddI²C, 2-Wire Serial2.7V ~ 5.5V2V ~ 3.5V100µA @ 2.7V ~ 5.5V-40°C ~ 85°CSurface Mount8-SOIC (0.154"", 3.90mm Width)8-SO
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