Real Time Clocks

Results: 320
Packaging
Cut Tape (CT)Digi-Reel®Tape & Reel (TR)Tube
Product Status
ActiveObsolete
Type
Clock/CalendarTime Event Recorder
Features
Alarm, Daylight Savings, Leap Year, SRAMAlarm, Daylight Savings, SRAMAlarm, Leap YearAlarm, Leap Year, SRAMAlarm, Leap Year, Square Wave Output, Watchdog TimerAlarm, Leap Year, Supervisor, Unique ID, Watchdog TimerAlarm, Leap Year, Supervisor, Watchdog TimerAlarm, Leap Year, Unique IDAlarm, Leap Year, Watchdog TimerAlarm, SRAM, Trickle-ChargerLeap Year
Memory Size
2B8B32B128B-
Time Format
HH:MM:SS (12/24 hr)HH:MM:SS (24 hr)HH:MM:SS:hh (12/24 hr)HH:MM:SS:hh (24 hr)
Interface
I2C, 2-Wire SerialSPI
Voltage - Supply
1.8V ~ 3.6V2.7V ~ 5.5V3V ~ 6V4.5V ~ 5.5V
Voltage - Supply, Battery
1.8V ~ 5.5V2.2V ~ 6V-
Current - Timekeeping (Max)
0.65µA @ 1.8V4µA ~ 6µA @ 3V ~ 5V5.5µA ~ 6.5µA @ 3V ~ 5V10µA ~ 20µA @ 2.7V ~ 5.5V10µA ~ 20µA @ 2.7V ~ 5V14µA ~ 15µA @ 3V ~ 5V18µA @ 5.5V20µA ~ 500µA @ 5V
Operating Temperature
-40°C ~ 85°C-20°C ~ 70°C0°C ~ 70°C
Mounting Type
Surface MountThrough Hole
Package / Case
8-SOIC (0.154", 3.90mm Width)8-SOIC (0.209", 5.30mm Width)8-TSSOP (0.173", 4.40mm Width)8-TSSOP, 8-MSOP (0.118", 3.00mm Width)8-UFDFN8-WDFN Exposed Pad10-TFSOP, 10-MSOP (0.118", 3.00mm Width)14-SOIC (0.154", 3.90mm Width)14-TSSOP (0.173", 4.40mm Width)16-DIP (0.300", 7.62mm)16-SOIC (0.295", 7.50mm Width)20-PowerLFDFN20-SOIC (0.295", 7.50mm Width)
Supplier Device Package
8-MSOP8-SOIC8-TDFN (3x3)8-TSSOP8-UTDFN (2x2)10-MSOP14-SOIC14-TSSOP16-PDIP16-SOIC20-DFN (5.5x4)20-SOIC
Stocking Options
Environmental Options
Media
Marketplace Product
320Results

Showing
of 320
Compare
Mfr Part #
Quantity Available
Price
Series
Package
Product Status
DigiKey Programmable
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
8-MSOP
ISL12057IUZ
IC RTC CLK/CALENDAR I2C 8MSOP
Renesas Electronics Corporation
833
In Stock
50 : ¥19.40200
Tube
-
Tube
Active
Not Verified
Clock/Calendar
Alarm, Leap Year
-
HH:MM:SS (12/24 hr)
YY-MM-DD-dd
I2C, 2-Wire Serial
1.8V ~ 3.6V
-
0.65µA @ 1.8V
-40°C ~ 85°C
Surface Mount
8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
8-MSOP
6,530
In Stock
1 : ¥23.73000
Cut Tape (CT)
1,000 : ¥12.53666
Tape & Reel (TR)
-
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Not Verified
Clock/Calendar
Alarm, Leap Year, SRAM
2B
HH:MM:SS (12/24 hr)
YY-MM-DD-dd
I2C, 2-Wire Serial
2.7V ~ 5.5V
1.8V ~ 5.5V
4µA ~ 6µA @ 3V ~ 5V
-40°C ~ 85°C
Surface Mount
8-SOIC (0.154", 3.90mm Width)
8-SOIC
8 SOIC
ISL12022IBZ
IC RTC CLK/CALENDAR I2C 8SOIC
Renesas Electronics Corporation
7,253
In Stock
6,860
Factory
980 : ¥24.72508
Tube
-
Tube
Active
Not Verified
Clock/Calendar
Alarm, Daylight Savings, Leap Year, SRAM
128B
HH:MM:SS (12/24 hr)
YY-MM-DD-dd
I2C, 2-Wire Serial
2.7V ~ 5.5V
1.8V ~ 5.5V
14µA ~ 15µA @ 3V ~ 5V
-40°C ~ 85°C
Surface Mount
8-SOIC (0.154", 3.90mm Width)
8-SOIC
8,376
In Stock
1 : ¥34.73000
Cut Tape (CT)
2,500 : ¥17.42365
Tape & Reel (TR)
-
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Not Verified
Clock/Calendar
Alarm, Leap Year
-
HH:MM:SS (12/24 hr)
YY-MM-DD-dd
I2C, 2-Wire Serial
2.7V ~ 5.5V
1.8V ~ 5.5V
10µA ~ 20µA @ 2.7V ~ 5.5V
-40°C ~ 85°C
Surface Mount
8-SOIC (0.154", 3.90mm Width)
8-SOIC
20-DFN, L20.5-5X4-0 PKG
ISL12020MIRZ
IC RTC CLK/CALENDAR I2C 20DFN
Renesas Electronics Corporation
2,739
In Stock
2,438
Factory
53 : ¥56.26189
Tube
-
Tube
Active
Not Verified
Clock/Calendar
Alarm, Daylight Savings, Leap Year, SRAM
128B
HH:MM:SS (12/24 hr)
YY-MM-DD-dd
I2C, 2-Wire Serial
2.7V ~ 5.5V
1.8V ~ 5.5V
14µA ~ 15µA @ 3V ~ 5V
-40°C ~ 85°C
Surface Mount
20-PowerLFDFN
20-DFN (5.5x4)
8 SOIC
ISL12057IBZ
IC RTC CLK/CALENDAR I2C 8SOIC
Renesas Electronics Corporation
1,828
In Stock
980 : ¥12.07235
Tube
-
Tube
Active
Not Verified
Clock/Calendar
Alarm, Leap Year
-
HH:MM:SS (12/24 hr)
YY-MM-DD-dd
I2C, 2-Wire Serial
1.8V ~ 3.6V
-
0.65µA @ 1.8V
-40°C ~ 85°C
Surface Mount
8-SOIC (0.154", 3.90mm Width)
8-SOIC
8 SOIC
ISL12026IBZ
IC RTC CLK/CALENDAR I2C 8SOIC
Renesas Electronics Corporation
5,319
In Stock
980 : ¥18.34068
Tube
-
Tube
Active
Not Verified
Clock/Calendar
Alarm, Leap Year
-
HH:MM:SS (12/24 hr)
YY-MM-DD-dd
I2C, 2-Wire Serial
2.7V ~ 5.5V
1.8V ~ 5.5V
10µA ~ 20µA @ 2.7V ~ 5.5V
-40°C ~ 85°C
Surface Mount
8-SOIC (0.154", 3.90mm Width)
8-SOIC
8-MSOP
ISL1208IU8Z
IC RTC CLK/CALENDAR I2C 8MSOP
Renesas Electronics Corporation
1,851
In Stock
80 : ¥21.82763
Tube
-
Tube
Active
Not Verified
Clock/Calendar
Alarm, Leap Year, SRAM
2B
HH:MM:SS (12/24 hr)
YY-MM-DD-dd
I2C, 2-Wire Serial
2.7V ~ 5.5V
1.8V ~ 5.5V
4µA ~ 6µA @ 3V ~ 5V
-40°C ~ 85°C
Surface Mount
8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
8-MSOP
3,800
In Stock
1 : ¥22.82000
Cut Tape (CT)
2,500 : ¥11.46872
Tape & Reel (TR)
-
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Not Verified
Clock/Calendar
Alarm, Leap Year
-
HH:MM:SS (12/24 hr)
YY-MM-DD-dd
I2C, 2-Wire Serial
1.8V ~ 3.6V
-
0.65µA @ 1.8V
-40°C ~ 85°C
Surface Mount
8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
8-MSOP
1,210
In Stock
1 : ¥22.82000
Cut Tape (CT)
2,500 : ¥11.46872
Tape & Reel (TR)
-
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Not Verified
Clock/Calendar
Alarm, Leap Year
-
HH:MM:SS (12/24 hr)
YY-MM-DD-dd
I2C, 2-Wire Serial
1.8V ~ 3.6V
-
0.65µA @ 1.8V
-40°C ~ 85°C
Surface Mount
8-SOIC (0.154", 3.90mm Width)
8-SOIC
8,861
In Stock
1 : ¥29.64000
Cut Tape (CT)
1,000 : ¥15.67082
Tape & Reel (TR)
-
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Not Verified
Clock/Calendar
Alarm, Leap Year, SRAM
2B
HH:MM:SS (12/24 hr)
YY-MM-DD-dd
I2C, 2-Wire Serial
2.7V ~ 5.5V
1.8V ~ 5.5V
4µA ~ 6µA @ 3V ~ 5V
-40°C ~ 85°C
Surface Mount
8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
8-MSOP
20-SOIC 0.295
ISL12022MAIBZ
IC RTC CLK/CALENDAR I2C 20SOIC
Renesas Electronics Corporation
1,622
In Stock
760 : ¥39.58332
Tube
-
Tube
Active
Not Verified
Clock/Calendar
Alarm, Daylight Savings, Leap Year, SRAM
128B
HH:MM:SS (12/24 hr)
YY-MM-DD-dd
I2C, 2-Wire Serial
2.7V ~ 5.5V
1.8V ~ 5.5V
14µA ~ 15µA @ 3V ~ 5V
-40°C ~ 85°C
Surface Mount
20-SOIC (0.295", 7.50mm Width)
20-SOIC
300
In Stock
1 : ¥46.79000
Cut Tape (CT)
250 : ¥32.67256
Tape & Reel (TR)
-
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Not Verified
Clock/Calendar
Alarm, Daylight Savings, Leap Year, SRAM
128B
HH:MM:SS (12/24 hr)
YY-MM-DD-dd
I2C, 2-Wire Serial
2.7V ~ 5.5V
1.8V ~ 5.5V
14µA ~ 15µA @ 3V ~ 5V
-40°C ~ 85°C
Surface Mount
8-SOIC (0.154", 3.90mm Width)
8-SOIC
3,425
In Stock
1 : ¥95.47000
Cut Tape (CT)
250 : ¥68.22196
Tape & Reel (TR)
-
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Not Verified
Clock/Calendar
Alarm, Daylight Savings, Leap Year, SRAM
128B
HH:MM:SS (12/24 hr)
YY-MM-DD-dd
I2C, 2-Wire Serial
2.7V ~ 5.5V
1.8V ~ 5.5V
14µA ~ 15µA @ 3V ~ 5V
-40°C ~ 85°C
Surface Mount
20-PowerLFDFN
20-DFN (5.5x4)
16-TSSOP, M16.173 PKG
CDP68HC68T1M2Z
IC RTC CLK/CALENDAR SPI 16SOIC
Renesas Electronics Corporation
667
In Stock
1 : ¥174.12000
Tube
-
Tube
Active
Not Verified
Clock/Calendar
Alarm, Leap Year, Square Wave Output, Watchdog Timer
32B
HH:MM:SS (12/24 hr)
YY-MM-DD-dd
SPI
3V ~ 6V
2.2V ~ 6V
20µA ~ 500µA @ 5V
-40°C ~ 85°C
Surface Mount
16-SOIC (0.295", 7.50mm Width)
16-SOIC
8 SOIC
ISL12008IB8Z
IC RTC CLK/CALENDAR I2C 8SOIC
Renesas Electronics Corporation
4,291
In Stock
980 : ¥13.81357
Tube
-
Tube
Active
Not Verified
Clock/Calendar
Alarm, Leap Year
-
HH:MM:SS:hh (24 hr)
YY-MM-DD-dd
I2C, 2-Wire Serial
2.7V ~ 5.5V
1.8V ~ 5.5V
4µA ~ 6µA @ 3V ~ 5V
-40°C ~ 85°C
Surface Mount
8-SOIC (0.154", 3.90mm Width)
8-SOIC
8 SOIC
ISL1208IB8Z
IC RTC CLK/CALENDAR I2C 8SOIC
Renesas Electronics Corporation
3,440
In Stock
100 : ¥17.46210
Tube
-
Tube
Active
Not Verified
Clock/Calendar
Alarm, Leap Year, SRAM
2B
HH:MM:SS (12/24 hr)
YY-MM-DD-dd
I2C, 2-Wire Serial
2.7V ~ 5.5V
1.8V ~ 5.5V
4µA ~ 6µA @ 3V ~ 5V
-40°C ~ 85°C
Surface Mount
8-SOIC (0.154", 3.90mm Width)
8-SOIC
363
In Stock
1 : ¥34.32000
Tube
-
Tube
Active
Not Verified
Time Event Recorder
Alarm, Leap Year, SRAM
2B
HH:MM:SS (12/24 hr)
YY-MM-DD-dd
I2C, 2-Wire Serial
2.7V ~ 5.5V
1.8V ~ 5.5V
4µA ~ 6µA @ 3V ~ 5V
-40°C ~ 85°C
Surface Mount
10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
10-MSOP
20-SOIC 0.295
ISL12022MIBZ
IC RTC CLK/CALENDAR I2C 20SOIC
Renesas Electronics Corporation
753
In Stock
760 : ¥39.58332
Tube
-
Tube
Active
Not Verified
Clock/Calendar
Alarm, Daylight Savings, Leap Year, SRAM
128B
HH:MM:SS (12/24 hr)
YY-MM-DD-dd
I2C, 2-Wire Serial
2.7V ~ 5.5V
1.8V ~ 5.5V
14µA ~ 15µA @ 3V ~ 5V
-40°C ~ 85°C
Surface Mount
20-SOIC (0.295", 7.50mm Width)
20-SOIC
20-SOIC 0.295
ISL12022MIBZ-T
IC RTC CLK/CALENDAR I2C 20SOIC
Renesas Electronics Corporation
9,940
In Stock
1 : ¥60.75000
Cut Tape (CT)
1,000 : ¥34.47581
Tape & Reel (TR)
-
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Not Verified
Clock/Calendar
Alarm, Daylight Savings, Leap Year, SRAM
128B
HH:MM:SS (12/24 hr)
YY-MM-DD-dd
I2C, 2-Wire Serial
2.7V ~ 5.5V
1.8V ~ 5.5V
14µA ~ 15µA @ 3V ~ 5V
-40°C ~ 85°C
Surface Mount
20-SOIC (0.295", 7.50mm Width)
20-SOIC
8 SOIC
ISL12058IBZ
IC RTC CLK/CALENDAR I2C 8SOIC
Renesas Electronics Corporation
1,950
In Stock
1 : ¥22.82000
Tube
-
Tube
Active
Not Verified
Clock/Calendar
Alarm, Leap Year
-
HH:MM:SS (12/24 hr)
YY-MM-DD-dd
I2C, 2-Wire Serial
1.8V ~ 3.6V
-
0.65µA @ 1.8V
-40°C ~ 85°C
Surface Mount
8-SOIC (0.154", 3.90mm Width)
8-SOIC
8-TSSOP
ISL12026AIVZ-T
IC RTC CLK/CALENDAR I2C 8TSSOP
Renesas Electronics Corporation
2,395
In Stock
1 : ¥34.73000
Cut Tape (CT)
2,500 : ¥17.42365
Tape & Reel (TR)
-
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Not Verified
Clock/Calendar
Alarm, Leap Year
-
HH:MM:SS (12/24 hr)
YY-MM-DD-dd
I2C, 2-Wire Serial
2.7V ~ 5.5V
1.8V ~ 5.5V
10µA ~ 20µA @ 2.7V ~ 5.5V
-40°C ~ 85°C
Surface Mount
8-TSSOP (0.173", 4.40mm Width)
8-TSSOP
8 SOIC
ISL12026AIBZ
IC RTC CLK/CALENDAR I2C 8SOIC
Renesas Electronics Corporation
950
In Stock
1 : ¥34.73000
Tube
-
Tube
Active
Not Verified
Clock/Calendar
Alarm, Leap Year
-
HH:MM:SS (12/24 hr)
YY-MM-DD-dd
I2C, 2-Wire Serial
2.7V ~ 5.5V
1.8V ~ 5.5V
10µA ~ 20µA @ 2.7V ~ 5.5V
-40°C ~ 85°C
Surface Mount
8-SOIC (0.154", 3.90mm Width)
8-SOIC
343
In Stock
1 : ¥43.51000
Cut Tape (CT)
250 : ¥30.37164
Tape & Reel (TR)
-
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Not Verified
Clock/Calendar
Alarm, Leap Year, SRAM
2B
HH:MM:SS (12/24 hr)
YY-MM-DD-dd
I2C, 2-Wire Serial
2.7V ~ 5.5V
1.8V ~ 5.5V
4µA ~ 6µA @ 3V ~ 5V
-40°C ~ 85°C
Surface Mount
8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
8-MSOP
8-MSOP
ISL12058IUZ
IC RTC CLK/CALENDAR I2C 8MSOP
Renesas Electronics Corporation
2,000
In Stock
1 : ¥22.82000
Tube
-
Tube
Active
Not Verified
Clock/Calendar
Alarm, Leap Year
-
HH:MM:SS (12/24 hr)
YY-MM-DD-dd
I2C, 2-Wire Serial
1.8V ~ 3.6V
-
0.65µA @ 1.8V
-40°C ~ 85°C
Surface Mount
8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
8-MSOP
Showing
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Real Time Clocks


Real Time Clocks (RTCs) provide time and/or date information in almost any electronic device which needs to keep accurate time. The clock types are binary counter, clock/calendar/supervisor, elapsed time counter, phantom time chip, portable system controller, temperature recorder, time event recorder, and timer clock peripheral.  They contain memory sizes ranging from 2 B to 2 MB and have interface options of I2C, Parallel, Serial, SPI, 1-Wire, 2-Wire, 3-Wire, and 4-Wire.