Real Time Clock 2-Wire Real Time Clock IC
R2051S02-E2-F
Nisshinbo
1:
$1.73
2,000 Expected 06/10/2026
Mouser Part No 848-R2051S02E2F
Nisshinbo
Real Time Clock 2-Wire Real Time Clock IC
2,000 Expected 06/10/2026
1
$1.73
10
$1.26
25
$1.15
100
$1.06
2,000
$0.832
4,000
View
1,000
$0.835
4,000
$0.827
Buy
Min.: 1 Mult.: 1
Reel :2,000
Details
Serial 2-Wire, I2C
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
SSOP-16
Backup Switching
750 mV
5.5 V
- 40 C
+ 85 C
R2051S
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock 3-WIRE SERIAL INTERFACE REAL-TIME CLOCK ICs WITH VOLTAGE MONITORING FUNCTION
RV5C338A-E2-F
Nisshinbo
1:
$1.64
1,980 Expected 05/11/2026
Mouser Part No 848-RV5C338A-E2-F
Nisshinbo
Real Time Clock 3-WIRE SERIAL INTERFACE REAL-TIME CLOCK ICs WITH VOLTAGE MONITORING FUNCTION
1,980 Expected 05/11/2026
1
$1.64
10
$1.20
25
$1.09
100
$1.03
2,000
$0.79
4,000
View
1,000
$0.793
4,000
$0.784
Buy
Min.: 1 Mult.: 1
Reel :2,000
Details
SSOP-10
RV5C338A
Reel, Cut Tape
Real Time Clock REAL TIME CLK/CLNDR W/TEMP COMP 8 L
ISL12022IBZ-T
Renesas / Intersil
1:
$5.22
2,467 Expected 12/01/2027
Mouser Part No 968-ISL12022IBZ-T
Renesas / Intersil
Real Time Clock REAL TIME CLK/CLNDR W/TEMP COMP 8 L
2,467 Expected 12/01/2027
Alternative Packaging
1
$5.22
10
$3.97
25
$3.66
100
$3.32
250
View
2,500
$3.07
250
$3.16
500
$3.08
2,500
$3.07
Buy
Min.: 1 Mult.: 1
Reel :2,500
Details
Serial 2-Wire, I2C
YY-MM-DD-dd
HH:MM:SS (24 hr)
128 B
SOIC-8
Backup Switching
2.7 V
5.5 V
- 40 C
+ 85 C
ISL12022
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock Real Time Clock
+1 image
1339-31DVGI8
Renesas Electronics
1:
$3.23
2,500 Expected 12/07/2027
Mouser Part No 972-1339-31DVGI8
Renesas Electronics
Real Time Clock Real Time Clock
2,500 Expected 12/07/2027
Alternative Packaging
1
$3.23
10
$2.41
25
$2.35
2,500
$1.84
Buy
Min.: 1 Mult.: 1
Reel :2,500
Details
Serial 2-Wire, I2C
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
TSSOP-8
Backup Switching
1.3 V
3.7 V
- 40 C
+ 85 C
1339
SMD/SMT
Reel, Cut Tape
Real Time Clock 256K (32Kx8) 70ns
M48T37Y-70MH1F
STMicroelectronics
1:
$20.51
28 In Stock
Mouser Part No 511-M48T37Y-70MH1F
STMicroelectronics
Real Time Clock 256K (32Kx8) 70ns
28 In Stock
1
$20.51
10
$17.66
25
$16.53
100
$14.59
250
View
936
$13.53
250
$14.23
500
$13.55
936
$13.53
1,872
Quote
Buy
Min.: 1 Mult.: 1
Reel :936
Details
Parallel
YY-MM-DD-dd
HH:MM:SS (24 hr)
256 kB
SOIC-44
Backup Switching
4.5 V
5.5 V
0 C
+ 70 C
M48T37Y
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock 3.5ppm, I2C RTC with Integrated Crystal and Power Management
Analog Devices / Maxim Integrated MAX31328NELB+T
MAX31328NELB+T
Analog Devices / Maxim Integrated
Restricted Availability
Mouser Part No 700-MAX31328NELB+T
Analog Devices / Maxim Integrated
Real Time Clock 3.5ppm, I2C RTC with Integrated Crystal and Power Management
Alternative Packaging
Details
I2C
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
LGA-10
Backup Switching
2.3 V
5.5 V
- 40 C
+ 85 C
SMD/SMT
Reel, Cut Tape
Real Time Clock 3.0Volt -40 to 85C I2C BUS
RX-8035LC:B3 PURE SN
Epson Timing
1:
$10.03
500 Expected 28/10/2026
Mouser Part No 732-RX-8035LC:B3
Epson Timing
Real Time Clock 3.0Volt -40 to 85C I2C BUS
500 Expected 28/10/2026
Alternative Packaging
1
$10.03
10
$7.81
25
$7.25
100
$6.64
250
$6.06
500
View
500
$5.76
1,000
$5.65
2,500
Quote
Buy
Min.: 1 Mult.: 1
Reel :250
Details
I2C
YY-MM-DD-dd
HH:MM:SS (24 hr)
VSOJ-12
Backup Switching
2.4 V
5.5 V
- 40 C
+ 85 C
RX-8035LC
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock RX8111CE:B3 REAL TIME CLOCK I2C-BUS 3.0V 23PPM 250TR
RX8111CE B3
Epson Timing
1:
$3.49
1,736 Expected 04/11/2026
Mouser Part No 732-RX8111CEB3
Epson Timing
Real Time Clock RX8111CE:B3 REAL TIME CLOCK I2C-BUS 3.0V 23PPM 250TR
1,736 Expected 04/11/2026
1
$3.49
10
$2.63
25
$2.41
100
$2.16
250
$2.01
500
View
500
$1.92
1,000
$1.84
2,500
$1.80
5,000
$1.77
Buy
Min.: 1 Mult.: 1
Reel :250
Details
Serial 2-Wire, I2C
YY-MM-DD-dd
HH:MM:SS (24 hr)
Backup Switching
1.6 V
5.5 V
- 40 C
+ 85 C
RX8111CE
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock RX8804CE:XA3 REAL TIME CLOCK +/-3.4PPM DTCXO 250TR
RX8804CE XA3
Epson Timing
1:
$10.89
250 Expected 19/10/2026
Mouser Part No 732-RX8804CEXA3
Epson Timing
Real Time Clock RX8804CE:XA3 REAL TIME CLOCK +/-3.4PPM DTCXO 250TR
250 Expected 19/10/2026
1
$10.89
10
$8.48
25
$7.88
100
$7.22
250
$6.87
500
View
500
$6.66
1,000
$6.53
2,500
Quote
Buy
Min.: 1 Mult.: 1
Reel :250
Details
I2C
YY-MM-DD-dd
HH:MM:SS (24 hr)
No Backup Switching
1.6 V
5.5 V
- 40 C
+ 105 C
RX8804CE
SMD/SMT
Reel, Cut Tape
Real Time Clock RX8804CE:XB0 REAL TIME CLOCK +/-5.0PPM DTCXO 1K TR
+2 images
RX8804CE XB0
Epson Timing
1:
$3.78
1,000 Expected 12/10/2026
Mouser Part No 732-RX8804CEXB0
Epson Timing
Real Time Clock RX8804CE:XB0 REAL TIME CLOCK +/-5.0PPM DTCXO 1K TR
1,000 Expected 12/10/2026
1
$3.78
10
$2.85
25
$2.62
100
$2.36
1,000
$2.03
2,000
View
250
$2.20
500
$2.14
2,000
$1.96
5,000
$1.92
Buy
Min.: 1 Mult.: 1
Reel :1,000
Details
I2C
YY-MM-DD-dd
HH:MM:SS (24 hr)
No Backup Switching
1.6 V
5.5 V
- 40 C
+ 105 C
SMD/SMT
Reel, Cut Tape
Real Time Clock I2C-BUS RTC +/-5.0PPM-40 85C 10 PIN 2K T/R
RX8900CE:UB6
Epson Timing
1:
$2.80
2,062 Expected 12/10/2026
Mouser Part No 732-RX8900CE:UB6
Epson Timing
Real Time Clock I2C-BUS RTC +/-5.0PPM-40 85C 10 PIN 2K T/R
2,062 Expected 12/10/2026
Alternative Packaging
1
$2.80
10
$2.08
25
$1.91
100
$1.71
250
View
2,000
$1.50
250
$1.62
500
$1.58
1,000
$1.50
2,000
$1.50
Buy
Min.: 1 Mult.: 1
Reel :2,000
Serial 2-Wire, I2C
YY-MM-DD-dd
HH:MM:SS (24 hr)
Backup Switching
2.5 V
5.5 V
- 40 C
+ 85 C
RX8900CE
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock 32.768kHz-DTCXO 3.4ppm I2C-Bus
RX8900CE UA0
Epson Timing
1:
$3.97
886 Expected 23/10/2026
Mouser Part No 732-RX8900CEUA0
Epson Timing
Real Time Clock 32.768kHz-DTCXO 3.4ppm I2C-Bus
886 Expected 23/10/2026
Alternative Packaging
1
$3.97
10
$3.00
25
$2.76
100
$2.49
250
View
1,000
$2.25
250
$2.36
500
$2.30
1,000
$2.25
Buy
Min.: 1 Mult.: 1
Reel :1,000
Details
I2C
YY-MM-DD-dd
HH:MM:SS (24 hr)
Backup Switching
2.5 V
5.5 V
- 40 C
+ 85 C
RX8900CE
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock RX8901CE XS A0 REAL TIME CLOCK MODULE I2C-Bus 3.0V +/-3ppm 2k TR
RX8901CE XS A06
Epson Timing
1:
$5.98
2,000 Expected 31/03/2027
Mouser Part No 732-RX8901CEXSA06
Epson Timing
Real Time Clock RX8901CE XS A0 REAL TIME CLOCK MODULE I2C-Bus 3.0V +/-3ppm 2k TR
2,000 Expected 31/03/2027
1
$5.98
10
$4.57
25
$4.22
100
$3.84
250
View
2,000
$3.29
250
$3.65
500
$3.59
1,000
$3.58
2,000
$3.29
4,000
Quote
Buy
Min.: 1 Mult.: 1
Reel :2,000
Details
I2C
YY-MM-DD-dd
HH:MM:SS (24 hr)
No Backup Switching
1.6 V
5.5 V
- 40 C
+ 105 C
RX8901CE
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock RTC SON 14PIN 5+/-23PPM 250TR
RX-4571SA:B3 PURE SN
Epson Timing
1:
$3.69
515 On Order
Mouser Part No 732-RX-4571SAB3
Epson Timing
Real Time Clock RTC SON 14PIN 5+/-23PPM 250TR
515 On Order
View Dates
Alternative Packaging
On Order:
15 Expected 26/08/2026
500 Expected 14/12/2026
Factory Lead Time:
16 Weeks
1
$3.69
10
$2.78
25
$2.55
100
$2.29
250
$2.13
500
View
500
$2.06
1,000
$1.96
2,500
$1.92
5,000
$1.89
Buy
Min.: 1 Mult.: 1
Reel :250
Details
Serial 3-Wire
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
SOP-14
No Backup Switching
1.6 V
5.5 V
- 40 C
+ 85 C
RX-4571SA
SMD/SMT
Reel, Cut Tape
Real Time Clock RX4111CE:B3 REAL TIME CLOCK SPI-BUS 3.0V 23PPM 250TR
RX4111CE B3
Epson Timing
1:
$3.90
250 Expected 01/09/2026
Mouser Part No 732-RX4111CEB3
Epson Timing
Real Time Clock RX4111CE:B3 REAL TIME CLOCK SPI-BUS 3.0V 23PPM 250TR
250 Expected 01/09/2026
1
$3.90
10
$2.94
25
$2.70
100
$2.44
250
$2.27
500
View
500
$2.24
1,000
$2.14
2,500
$2.11
5,000
$2.09
Buy
Min.: 1 Mult.: 1
Reel :250
Details
Serial 4-Wire, SPI
Backup Switching
1.6 V
5.5 V
- 40 C
+ 85 C
RX4111CE
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock RTC VSOJ 12PIN 5+/-23PPM 250TR
Epson Timing RX-4571LC:B3 PURE SN
RX-4571LC:B3 PURE SN
Epson Timing
1:
$7.34
250 Expected 12/10/2026
Mouser Part No 732-RX4571LCB3PURESN
Epson Timing
Real Time Clock RTC VSOJ 12PIN 5+/-23PPM 250TR
250 Expected 12/10/2026
Alternative Packaging
1
$7.34
10
$5.66
25
$5.24
100
$4.78
250
$4.47
500
View
500
$4.38
1,000
$4.29
Buy
Min.: 1 Mult.: 1
Reel :250
Details
Serial 3-Wire
VSOJ-12
No Backup Switching
1.6 V
5.5 V
- 40 C
+ 85 C
RX-4571LC
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock I2C GP RTCC 64B SRAM ID
MCP79400T-I/MNY
Microchip Technology
1:
$1.07
Non-Stocked Lead-Time 12 Weeks
Mouser Part No 579-MCP79400TIMNY
Microchip Technology
Real Time Clock I2C GP RTCC 64B SRAM ID
Non-Stocked Lead-Time 12 Weeks
Buy
Min.: 1 Mult.: 1
Reel :3,300
Details
Reel, Cut Tape
Real Time Clock I2C GP RTCC 64B SRAM ID
MCP79400T-I/ST
Microchip Technology
2,500:
$1.00
Non-Stocked Lead-Time 10 Weeks
Mouser Part No 579-MCP79400TIST
Microchip Technology
Real Time Clock I2C GP RTCC 64B SRAM ID
Non-Stocked Lead-Time 10 Weeks
Alternative Packaging
2,500
$1.00
5,000
$0.995
10,000
$0.993
Buy
Min.: 2,500 Mult.: 2,500
Reel :2,500
Details
Reel
Real Time Clock I2C GP RTCC 64B SRAM EUI-48
MCP79401T-I/MS
Microchip Technology
2,500:
$1.10
Non-Stocked Lead-Time 9 Weeks
Mouser Part No 579-MCP79401TIMS
Microchip Technology
Real Time Clock I2C GP RTCC 64B SRAM EUI-48
Non-Stocked Lead-Time 9 Weeks
Alternative Packaging
2,500
$1.10
5,000
$1.09
10,000
$1.08
Buy
Min.: 2,500 Mult.: 2,500
Reel :2,500
Details
Reel
Real Time Clock I2C GP RTCC 64B SRAM EUI-48
MCP79401T-I/SN
Microchip Technology
3,300:
$1.04
Non-Stocked Lead-Time 10 Weeks
Mouser Part No 579-MCP79401TISN
Microchip Technology
Real Time Clock I2C GP RTCC 64B SRAM EUI-48
Non-Stocked Lead-Time 10 Weeks
Alternative Packaging
Buy
Min.: 3,300 Mult.: 3,300
Reel :3,300
Details
Reel
Real Time Clock I2C GP RTCC 64B SRAM EUI-48
MCP79401T-I/ST
Microchip Technology
2,500:
$1.09
Non-Stocked Lead-Time 10 Weeks
Mouser Part No 579-MCP79401TIST
Microchip Technology
Real Time Clock I2C GP RTCC 64B SRAM EUI-48
Non-Stocked Lead-Time 10 Weeks
Alternative Packaging
2,500
$1.09
5,000
$1.08
10,000
$1.07
Buy
Min.: 2,500 Mult.: 2,500
Reel :2,500
Details
Reel
Real Time Clock I2C GP RTCC 64B SRAM EUI-64
MCP79402T-I/MNY
Microchip Technology
3,300:
$1.12
Non-Stocked Lead-Time 12 Weeks
Mouser Part No 579-MCP79402TIMNY
Microchip Technology
Real Time Clock I2C GP RTCC 64B SRAM EUI-64
Non-Stocked Lead-Time 12 Weeks
Buy
Min.: 3,300 Mult.: 3,300
Reel :3,300
Details
Reel
Real Time Clock I2C GP RTCC 64B SRAM EUI-64
MCP79402T-I/MS
Microchip Technology
2,500:
$1.19
Non-Stocked Lead-Time 9 Weeks
Mouser Part No 579-MCP79402TIMS
Microchip Technology
Real Time Clock I2C GP RTCC 64B SRAM EUI-64
Non-Stocked Lead-Time 9 Weeks
Alternative Packaging
Buy
Min.: 2,500 Mult.: 2,500
Reel :2,500
Details
Reel
Real Time Clock I2C GP RTCC 64B SRAM EUI-64
MCP79402T-I/SN
Microchip Technology
1:
$1.11
Non-Stocked Lead-Time 10 Weeks
Mouser Part No 579-MCP79402TISN
Microchip Technology
Real Time Clock I2C GP RTCC 64B SRAM EUI-64
Non-Stocked Lead-Time 10 Weeks
Alternative Packaging
Buy
Min.: 1 Mult.: 1
Reel :3,300
Details
Reel, Cut Tape
Real Time Clock I2C GP RTCC 64B SRAM EUI-64
MCP79402T-I/ST
Microchip Technology
2,500:
$1.09
Non-Stocked Lead-Time 10 Weeks
Mouser Part No 579-MCP79402TIST
Microchip Technology
Real Time Clock I2C GP RTCC 64B SRAM EUI-64
Non-Stocked Lead-Time 10 Weeks
Alternative Packaging
2,500
$1.09
5,000
$1.08
10,000
$1.07
Buy
Min.: 2,500 Mult.: 2,500
Reel :2,500
Details
Reel
Israel