Real Time Clock SERIAL RTC 1.8-3.3V HESR USOP TRL
DS1339BU+T
Analog Devices / Maxim Integrated
1:
$6.67
6,000 Expected 29/10/2026
Mouser Part No 700-DS1339BU+T
Analog Devices / Maxim Integrated
Real Time Clock SERIAL RTC 1.8-3.3V HESR USOP TRL
6,000 Expected 29/10/2026
Alternative Packaging
1
$6.67
10
$5.31
25
$4.69
100
$4.32
250
View
3,000
$3.80
250
$4.11
500
$4.03
1,000
$3.96
3,000
$3.80
Buy
Min.: 1 Mult.: 1
Max.: 6,000
Reel :3,000
Details
Serial 2-Wire, I2C
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
uSOP-8
Backup Switching
1.71 V
5.5 V
- 40 C
+ 85 C
DS1339BU
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock I2C-BUS RTC +/-5.0PPM-40 85C VSOJ-12 PIN 1K TR
+2 images
RX-8803LC:UB0 PURE SN
Epson Timing
1:
$5.63
98 In Stock
Mouser Part No 732-X8803LCUB0PURESN
Epson Timing
Real Time Clock I2C-BUS RTC +/-5.0PPM-40 85C VSOJ-12 PIN 1K TR
98 In Stock
Alternative Packaging
1
$5.63
10
$4.29
25
$3.96
100
$3.59
1,000
$3.11
2,000
View
250
$3.42
500
$3.34
2,000
$3.06
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
+ 85 C
RX-8803LC
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock 32.768 KHZ 3-OUTPUT
AB0805-T3
ABRACON
1:
$2.99
11,897 Expected 28/12/2026
Mouser Part No 815-AB0805-T3
ABRACON
Real Time Clock 32.768 KHZ 3-OUTPUT
11,897 Expected 28/12/2026
1
$2.99
10
$2.23
25
$2.04
100
$1.83
250
View
3,000
$1.48
250
$1.63
500
$1.59
1,000
$1.55
3,000
$1.48
Buy
Min.: 1 Mult.: 1
Reel :3,000
Details
I2C
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
256 B
QFN-16
Backup Switching
1.7 V
3.6 V
- 40 C
+ 85 C
AB08x5
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock REAL TIME CLK W/ ALARM DS1337 COMP
ISL12057IUZ-T
Renesas / Intersil
1:
$2.83
9,642 On Order
Mouser Part No 968-ISL12057IUZ-T
Renesas / Intersil
Real Time Clock REAL TIME CLK W/ ALARM DS1337 COMP
9,642 On Order
View Dates
Alternative Packaging
On Order:
4,642 Expected 27/08/2026
5,000 Expected 25/09/2026
Factory Lead Time:
22 Weeks
1
$2.83
10
$2.14
25
$1.93
100
$1.73
2,500
$1.47
5,000
View
250
$1.64
500
$1.59
1,000
$1.55
5,000
$1.44
Buy
Min.: 1 Mult.: 1
Reel :2,500
Details
I2C
YY-MM-DD-dd
HH:MM:SS (24 hr)
MSOP-8
No Backup Switching
1.8 V
3.6 V
- 40 C
+ 85 C
ISL12057
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock 32.768kHz I2C 2.5ppm 3.2x1.5x0.8 AECQ200 Temperature Sensor & Real Time Clock
+1 image
RV-3032-C7 32.768kHz-2.5PPM-TA-QA
Micro Crystal
1:
$3.17
6,892 On Order
Mouser Part No 428-203853-MG01
Micro Crystal
Real Time Clock 32.768kHz I2C 2.5ppm 3.2x1.5x0.8 AECQ200 Temperature Sensor & Real Time Clock
6,892 On Order
View Dates
On Order:
2,892 Expected 11/09/2026
4,000 Expected 09/10/2026
Factory Lead Time:
12 Weeks
1
$3.17
10
$2.38
25
$2.18
100
$1.96
1,000
$1.78
2,000
View
250
$1.86
500
$1.82
2,000
$1.75
5,000
$1.72
Buy
Min.: 1 Mult.: 1
Reel :1,000
Details
Serial 2-Wire, I2C
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
16 B
Backup Switching
1.3 V
5.5 V
- 40 C
+ 105 C
RV-3032-C7
SMD/SMT
AEC-Q200
Reel, Cut Tape, MouseReel
Real Time Clock RV-3029-C3, Real-Time Clock, I C-bus, B Stability, 25ppm @ -40 to +85C (SMD 3.7 x 2.5 x 0.9)
RV-3029-C3-TA-QC-Opt. B
Micro Crystal
1:
$3.97
2,394 Expected 28/08/2026
Mouser Part No 428-RV3029C3TAQCOPTB
Micro Crystal
Real Time Clock RV-3029-C3, Real-Time Clock, I C-bus, B Stability, 25ppm @ -40 to +85C (SMD 3.7 x 2.5 x 0.9)
2,394 Expected 28/08/2026
1
$3.97
10
$2.99
25
$2.75
100
$2.48
250
$2.45
1,000
$2.07
Buy
Min.: 1 Mult.: 1
Reel :1,000
Details
Serial 2-Wire, I2C
YY-MM-DD-dd
HH:MM:SS (24 hr)
2 B
Backup Switching
1.3 V
5.5 V
- 40 C
+ 85 C
RV-3029-C3
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM EUI-48
MCP79411T-I/MNY
Microchip Technology
1:
$1.27
3,424 On Order
Mouser Part No 579-MCP79411TIMNY
Microchip Technology
Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM EUI-48
3,424 On Order
View Dates
On Order:
3,300 Expected 31/08/2026
124 Expected 02/09/2026
Factory Lead Time:
12 Weeks
Buy
Min.: 1 Mult.: 1
Reel :3,300
Details
I2C
YY-MM-DD-dd
HH:MM:SS (24 hr)
64 B
TDFN-8
Backup Switching
1.8 V
5.5 V
- 40 C
+ 85 C
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock RTC IC with 400 kHz I2C interface featuring 128 byte SRAM in HVSON12 package.
PCF85053ATKJ
NXP Semiconductors
1:
$1.69
6,000 Expected 05/10/2026
Mouser Part No 771-PCF85053ATKJ
NXP Semiconductors
Real Time Clock RTC IC with 400 kHz I2C interface featuring 128 byte SRAM in HVSON12 package.
6,000 Expected 05/10/2026
1
$1.69
10
$1.24
25
$1.12
100
$0.987
250
View
6,000
$0.781
250
$0.927
500
$0.891
1,000
$0.88
2,500
$0.849
6,000
$0.781
Buy
Min.: 1 Mult.: 1
Reel :6,000
Details
PCF85053A
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock 32.768 KHZ
AB-RTCMC-32.768kHz-EOZ9-S3-DBT
ABRACON
1:
$8.40
2,061 On Order
Mouser Part No 815-ABMC-327EOZ9S3DB
ABRACON
Real Time Clock 32.768 KHZ
2,061 On Order
View Dates
On Order:
61 Expected 15/09/2026
2,000 Expected 22/09/2026
Factory Lead Time:
12 Weeks
1
$8.40
10
$6.50
25
$6.02
100
$5.51
250
View
1,000
$4.97
250
$5.26
500
$5.11
1,000
$4.97
Buy
Min.: 1 Mult.: 1
Reel :1,000
Details
I2C
YY-MM-DD-dd
HH:MM:SS (24 hr)
Backup Switching
1.4 V
5.5 V
- 40 C
+ 85 C
AB-RTCMC
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock 32.768kHz I2C 20ppm 2.0x1.2x0.7 AEC-Q200
RV-8263-C8 32.768kHz-20PPM-TA-QA
Micro Crystal
1:
$1.58
4,000 Expected 30/10/2026
Mouser Part No 428-204291-MC01
Micro Crystal
Real Time Clock 32.768kHz I2C 20ppm 2.0x1.2x0.7 AEC-Q200
4,000 Expected 30/10/2026
1
$1.58
10
$1.16
25
$1.05
100
$0.924
1,000
$0.833
2,000
View
250
$0.868
500
$0.834
2,000
$0.804
5,000
$0.795
Buy
Min.: 1 Mult.: 1
Reel :1,000
Details
I2C
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
SON-8
900 mV
5.5 V
- 40 C
+ 85 C
RV-8263-C8
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock Serial Access Real Time Clock
M41T81SMY6F
STMicroelectronics
1:
$10.00
2,000 On Order
Mouser Part No 511-M41T81SMY6F
STMicroelectronics
Real Time Clock Serial Access Real Time Clock
2,000 On Order
1
$10.00
10
$7.79
25
$7.23
100
$6.63
1,000
$6.01
2,000
View
250
$6.33
500
$6.26
2,000
$5.82
5,000
Quote
Buy
Min.: 1 Mult.: 1
Reel :1,000
Details
I2C
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
20 B
SOX-18
Backup Switching
2.7 V
5.5 V
- 40 C
+ 85 C
M41T81S
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock Serial I2C bus RTC
+1 image
M41T83SQA6F
STMicroelectronics
1:
$4.43
3,750 Expected 27/08/2026
Mouser Part No 511-M41T83SQA6F
STMicroelectronics
Real Time Clock Serial I2C bus RTC
3,750 Expected 27/08/2026
1
$4.43
10
$3.36
25
$3.09
100
$2.80
250
View
1,000
$2.50
250
$2.66
500
$2.60
1,000
$2.50
Buy
Min.: 1 Mult.: 1
Reel :1,000
Details
Serial 2-Wire, I2C
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
32 B
QFN-16
Backup Switching
3 V
5.5 V
- 40 C
+ 85 C
M41T83
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock I2C GP RTCC 64B SRAM
MCP7940NT-I/MNY
Microchip Technology
1:
$0.98
9,743 Expected 03/09/2026
Mouser Part No 579-MCP7940NT-I/MNY
Microchip Technology
Real Time Clock I2C GP RTCC 64B SRAM
9,743 Expected 03/09/2026
1
$0.98
10
$0.977
250
$0.95
1,000
$0.94
3,300
$0.83
Buy
Min.: 1 Mult.: 1
Reel :3,300
Details
Serial 2-Wire, I2C
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
64 B
TDFN-8
Backup Switching
1.8 V
5.5 V
- 40 C
+ 85 C
SMD/SMT
Reel, Cut Tape, MouseReel
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 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 CLK/CLNDR W/TEMP COMP 8 L
ISL12022IBZ-T7A
Renesas / Intersil
1:
$5.22
190 In Stock
2,000 Expected 01/09/2026
Mouser Part No 968-ISL12022IBZ-T7A
Renesas / Intersil
Real Time Clock REAL TIME CLK/CLNDR W/TEMP COMP 8 L
190 In Stock
2,000 Expected 01/09/2026
Alternative Packaging
1
$5.22
10
$3.97
25
$3.66
100
$3.32
250
$3.15
500
View
500
$3.05
1,000
$3.01
2,500
$2.98
Buy
Min.: 1 Mult.: 1
Reel :250
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 256K (32Kx8) 70ns
M48T37Y-70MH1F
STMicroelectronics
1:
$22.24
28 In Stock
Mouser Part No 511-M48T37Y-70MH1F
STMicroelectronics
Real Time Clock 256K (32Kx8) 70ns
28 In Stock
1
$22.24
10
$17.62
25
$16.47
100
$15.21
250
View
936
$14.24
250
$14.50
500
$14.24
936
$14.24
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 3.0Volt -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 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:
$5.93
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
$5.93
10
$4.53
25
$4.18
100
$3.80
250
View
2,000
$3.30
250
$3.61
500
$3.53
1,000
$3.51
2,000
$3.30
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 RX4111CE:B3 REAL TIME CLOCK SPI-BUS 3.0V 23PPM 250TR
RX4111CE B3
Epson Timing
1:
$3.90
250 Expected 30/11/2026
Mouser Part No 732-RX4111CEB3
Epson Timing
Real Time Clock RX4111CE:B3 REAL TIME CLOCK SPI-BUS 3.0V 23PPM 250TR
250 Expected 30/11/2026
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 2-Wire Real Time Clock IC
RV5C386A-E2-F
Nisshinbo
1:
$1.64
Non-Stocked Lead-Time 12 Weeks
Mouser Part No 848-RV5C386AE2F
Nisshinbo
Real Time Clock 2-Wire Real Time Clock IC
Non-Stocked Lead-Time 12 Weeks
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
Serial 2-Wire, I2C
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
SSOP-10
No Backup Switching
2 V
5.5 V
- 40 C
+ 85 C
RV5C386
SMD/SMT
Reel, Cut Tape, MouseReel
Israel