Real Time Clock Real-Time Clock I2C interface with power management, -40 to +85 C, 16-pin QFN
AM1805AQ
Ambiq
1:
$0.77
29,500 On Order
Mouser Part No 222-AM1805AQ
Ambiq
Real Time Clock Real-Time Clock I2C interface with power management, -40 to +85 C, 16-pin QFN
29,500 On Order
View Dates
On Order:
8,500 Expected 11/09/2026
6,000 Expected 14/09/2026
15,000 Expected 07/12/2026
Factory Lead Time:
24 Weeks
Buy
Min.: 1 Mult.: 1
Details
Artasie I2C w/ Power Management
Real Time Clock 32.768 kHz +/-20 PPM I2C -40/+85C
RV-4162-C7-32.768kHz-20PPM-TA-QC
Micro Crystal
1:
$2.66
16,002 Expected 04/09/2026
Mouser Part No 428-200007-MG01
Micro Crystal
Real Time Clock 32.768 kHz +/-20 PPM I2C -40/+85C
16,002 Expected 04/09/2026
1
$2.66
10
$1.98
25
$1.80
100
$1.62
1,000
$1.43
2,000
View
250
$1.53
500
$1.48
2,000
$1.41
5,000
$1.37
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)
No Backup Switching
1 V
4.4 V
- 40 C
+ 85 C
RV-4162-C7
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock 32.768 kHz +/-3 PPM I2C -40/+85C
RV-8803-C7-32.768KHZ-3PPM-TA-QC
Micro Crystal
1:
$2.74
92,793 On Order
Mouser Part No 428-202677-MG01
Micro Crystal
Real Time Clock 32.768 kHz +/-3 PPM I2C -40/+85C
92,793 On Order
View Dates
On Order:
48,793 Pending
44,000 Expected 30/04/2027
Factory Lead Time:
23 Weeks
1
$2.74
10
$2.20
25
$2.03
100
$1.82
1,000
$1.65
2,000
View
250
$1.72
500
$1.69
2,000
$1.62
5,000
$1.59
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)
No Backup Switching
1.5 V
5.5 V
- 40 C
+ 85 C
RV-8803-C7
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock 32.768 kHz +/-3 PPM I2C -40/+85C
RV-8803-C7-32.768k-3PPM-TA-QA
Micro Crystal
1:
$3.08
20,000 On Order
Mouser Part No 428-203035-MG01
Micro Crystal
Real Time Clock 32.768 kHz +/-3 PPM I2C -40/+85C
20,000 On Order
1
$3.08
10
$2.30
25
$2.11
100
$1.89
1,000
$1.67
2,000
View
250
$1.79
500
$1.75
2,000
$1.62
5,000
$1.59
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)
No Backup Switching
1.5 V
5.5 V
- 40 C
+ 85 C
RV-8803-C7
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock 32.768kHz I2C Time Acc. 1ppm
RV-3028-C7 32.768kHz 1ppm TA QC
Micro Crystal
1:
$2.41
205,000 On Order
Mouser Part No 428-203591-MG01
Micro Crystal
Real Time Clock 32.768kHz I2C Time Acc. 1ppm
205,000 On Order
View Dates
On Order:
101,000 Expected 23/04/2027
104,000 Expected 21/05/2027
Factory Lead Time:
34 Weeks
1
$2.41
10
$1.78
25
$1.62
100
$1.45
250
View
1,000
$1.23
250
$1.37
500
$1.33
1,000
$1.23
Buy
Min.: 1 Mult.: 1
Reel :1,000
Details
I2C
YY-MM-DD-dd
HH:MM:SS (24 hr)
2 B
Backup Switching
1.2 V
5.5 V
- 40 C
+ 85 C
RV-3028
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock 32.768kHz I2C Time Acc. 1ppm
RV-3028-C7 32.768kHz 1ppm TA QA
Micro Crystal
1:
$2.52
6,716 In Stock
23,284 On Order
Mouser Part No 428-203603-MG01
Micro Crystal
Real Time Clock 32.768kHz I2C Time Acc. 1ppm
6,716 In Stock
23,284 On Order
View Dates
Stock:
6,716 Can Dispatch Immediately
On Order:
11,284 Expected 09/09/2026
12,000 Expected 16/04/2027
Factory Lead Time:
22 Weeks
1
$2.52
10
$1.88
25
$1.71
100
$1.54
1,000
$1.39
2,000
View
250
$1.45
500
$1.42
2,000
$1.36
5,000
$1.33
Buy
Min.: 1 Mult.: 1
Reel :1,000
Details
I2C
YY-MM-DD-dd
HH:MM:SS (24 hr)
2 B
Backup Switching
1.2 V
5.5 V
- 40 C
+ 85 C
RV-3028
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock 2.0-5.5V 512 (64x8)
M41T81SM6F
STMicroelectronics
1:
$2.83
18,995 On Order
Mouser Part No 511-M41T81SM6F
STMicroelectronics
Real Time Clock 2.0-5.5V 512 (64x8)
18,995 On Order
View Dates
Alternative Packaging
On Order:
3,995 Expected 10/09/2026
7,500 Expected 09/10/2026
7,500 Expected 19/07/2027
Factory Lead Time:
30 Weeks
1
$2.83
10
$2.14
25
$1.98
100
$1.80
250
View
2,500
$1.54
250
$1.71
500
$1.67
1,000
$1.60
2,500
$1.54
Buy
Min.: 1 Mult.: 1
Reel :2,500
Details
I2C
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
20 B
SOIC-8
Backup Switching
2.7 V
5.5 V
- 40 C
+ 85 C
M41T81S
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock Battery Swtchovr-RTC
+1 image
M41T83RQA6F
STMicroelectronics
1:
$4.63
20,800 On Order
Mouser Part No 511-M41T83RQA6F
STMicroelectronics
Real Time Clock Battery Swtchovr-RTC
20,800 On Order
View Dates
On Order:
1,800 Expected 28/12/2026
8,000 Expected 11/01/2027
11,000 Expected 30/08/2027
Factory Lead Time:
30 Weeks
1
$4.63
10
$3.56
25
$3.26
100
$3.00
250
View
1,000
$2.57
250
$2.86
500
$2.82
1,000
$2.57
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
2.7 V
5.5 V
- 40 C
+ 85 C
M41T83
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock Serial 512 (64x8)
M41T94MQ6F
STMicroelectronics
1:
$5.74
7,972 On Order
Mouser Part No 511-M41T94MQ6F
STMicroelectronics
Real Time Clock Serial 512 (64x8)
7,972 On Order
View Dates
On Order:
2,972 Expected 04/09/2026
5,000 Expected 28/04/2027
Factory Lead Time:
30 Weeks
1
$5.74
10
$4.78
25
$4.42
100
$4.01
250
View
2,500
$3.10
250
$3.82
500
$3.78
1,000
$3.57
2,500
$3.10
Buy
Min.: 1 Mult.: 1
Reel :2,500
Details
Serial
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
64 B
SO-16
Backup Switching
2.7 V
5.5 V
- 40 C
+ 85 C
M41T94
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock SAMAY A 595-BQ32002D A 595-BQ32002D A 59 A 595-BQ32002D
BQ32002DR
Texas Instruments
1:
$2.02
14,995 On Order
Mouser Part No 595-BQ32002DR
Texas Instruments
Real Time Clock SAMAY A 595-BQ32002D A 595-BQ32002D A 59 A 595-BQ32002D
14,995 On Order
View Dates
Alternative Packaging
On Order:
7,495 Expected 12/11/2026
7,500 Expected 03/12/2026
Factory Lead Time:
16 Weeks
1
$2.02
10
$1.48
25
$1.35
100
$1.20
2,500
$1.01
5,000
View
250
$1.13
500
$1.09
1,000
$1.08
5,000
$0.991
Buy
Min.: 1 Mult.: 1
Reel :2,500
Details
Serial 2-Wire, I2C
YY-MM-DD-dd
HH:MM:SS (24 hr)
SOIC-8
Backup Switching
3 V
3.6 V
- 40 C
+ 85 C
BQ32002
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock RX4901CE XB D0 REAL TIME CLOCK MODULE SPI-Bus 3.0V +/-5ppm 2k TR
RX4901CE XB D06
Epson Timing
1:
$4.51
238 In Stock
Mouser Part No 732-RX4901CEXBD06
Epson Timing
Real Time Clock RX4901CE XB D0 REAL TIME CLOCK MODULE SPI-Bus 3.0V +/-5ppm 2k TR
238 In Stock
1
$4.51
10
$3.41
25
$3.13
100
$2.83
2,000
$2.36
4,000
View
250
$2.69
500
$2.65
1,000
$2.56
4,000
$2.34
Buy
Min.: 1 Mult.: 1
Reel :2,000
Details
I2C
YY-MM-DD-dd
HH:MM:SS (24 hr)
256 B
Backup Switching
1.6 V
5.5 V
- 40 C
+ 105 C
RX4901CE
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 Automotive RTC module, featuring I2C or SPI interface in HLSON16 package.
PCA2131TF/Q900Y
NXP Semiconductors
1:
$4.21
8,000 Expected 28/09/2026
Mouser Part No 771-PCA2131TF/Q900Y
NXP Semiconductors
Real Time Clock Automotive RTC module, featuring I2C or SPI interface in HLSON16 package.
8,000 Expected 28/09/2026
1
$4.21
10
$3.24
25
$3.00
100
$2.74
250
View
4,000
$2.38
250
$2.62
500
$2.59
1,000
$2.51
2,000
$2.39
4,000
$2.38
Buy
Min.: 1 Mult.: 1
Reel :4,000
Details
PCA2131
AEC-Q100
Reel, Cut Tape
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
$1.49
250
$1.63
500
$1.59
1,000
$1.55
3,000
$1.49
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 CLOCK AND TMP COMP CRYSTL INLD
ISL12020MIRZ
Renesas / Intersil
1:
$8.06
4,240 Expected 11/03/2027
Mouser Part No 968-ISL12020MIRZ
Renesas / Intersil
Real Time Clock REAL TIME CLOCK AND TMP COMP CRYSTL INLD
4,240 Expected 11/03/2027
Alternative Packaging
1
$8.06
10
$6.13
25
$5.51
106
$5.19
265
View
265
$4.88
530
$4.82
1,007
$4.70
2,544
$4.58
Buy
Min.: 1 Mult.: 1
Details
I2C
YY-MM-DD-dd
HH:MM:SS (24 hr)
128 B
DFN-20
Backup Switching
2.7 V
5.5 V
- 40 C
+ 85 C
ISL12020
SMD/SMT
Tube
Real Time Clock REAL TIME CLK/CLNDR W/TEMP COMP 8 L
ISL12022IBZ
Renesas / Intersil
1:
$5.32
6,860 On Order
Mouser Part No 968-ISL12022IBZ
Renesas / Intersil
Real Time Clock REAL TIME CLK/CLNDR W/TEMP COMP 8 L
6,860 On Order
View Dates
Alternative Packaging
On Order:
3,920 Expected 29/12/2026
2,940 Expected 08/01/2027
Factory Lead Time:
22 Weeks
1
$5.32
10
$4.05
25
$3.74
100
$3.39
250
View
250
$3.23
500
$3.09
980
$3.03
2,940
$2.98
5,880
Quote
Buy
Min.: 1 Mult.: 1
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
Tube
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
124 In Stock
3,300 Expected 31/08/2026
Mouser Part No 579-MCP79411TIMNY
Microchip Technology
Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM EUI-48
124 In Stock
3,300 Expected 31/08/2026
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 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 11/09/2026
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 Real-Time Clock I2C Interface Integrated Circuit, -40 to +85 C, 16-pin QFN
AM0805AQ
Ambiq
1:
$0.69
2,869 Expected 29/09/2026
Mouser Part No 222-AM0805AQ
Ambiq
Real Time Clock Real-Time Clock I2C Interface Integrated Circuit, -40 to +85 C, 16-pin QFN
2,869 Expected 29/09/2026
Buy
Min.: 1 Mult.: 1
Details
Artasie I2C
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
RV-8263-C7-32.768KHZ-20PPM-TA-QA
Micro Crystal
1:
$1.66
2,000 Expected 20/11/2026
Mouser Part No 428-8263C7328K20PTQA
Micro Crystal
Real Time Clock
2,000 Expected 20/11/2026
1
$1.66
10
$1.22
25
$1.10
100
$0.97
250
View
250
$0.911
500
$0.887
1,000
$0.874
2,000
$0.809
5,000
$0.791
Buy
Min.: 1 Mult.: 1
Details
Serial 2-Wire, I2C
YY-MM-DD-dd
HH:MM:SS (24 hr)
No Backup Switching
900 mV
5.5 V
- 40 C
+ 85 C
SMD/SMT
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
2,750 Expected 04/09/2026
Mouser Part No 511-M41T83SQA6F
STMicroelectronics
Real Time Clock Serial I2C bus RTC
2,750 Expected 04/09/2026
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
Israel