Real Time Clock Extremely Accurate SPI Bus RTC with Inte
DS3234S#T&R
Analog Devices / Maxim Integrated
1:
$13.80
3,988 Expected 2026/08/26
Mouser Part No 700-DS3234S#T&R-
Analog Devices / Maxim Integrated
Real Time Clock Extremely Accurate SPI Bus RTC with Inte
3,988 Expected 2026/08/26
Alternative Packaging
1
$13.80
10
$10.84
25
$10.11
100
$9.28
250
View
1,000
$8.47
250
$9.14
500
$8.84
1,000
$8.47
2,000
Quote
Buy
Min.: 1 Mult.: 1
Reel :1,000
Details
SPI
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
256 B
SO-20
Backup Switching
2 V
5.5 V
0 C
+ 70 C
DS3234S
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
$3.97
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 2026/09/28
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 2026/09/28
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
$2.40
4,000
$2.38
Buy
Min.: 1 Mult.: 1
Reel :4,000
Details
PCA2131
AEC-Q100
Reel, Cut Tape
Real Time Clock Automotive RTC IC with 400 kHz I2C interface in TSSOP8 package.
PCA85073ADP/Q900Z
NXP Semiconductors
1:
$1.65
44,669 On Order
Mouser Part No 771-PCA85073ADPQ900Z
NXP Semiconductors
Real Time Clock Automotive RTC IC with 400 kHz I2C interface in TSSOP8 package.
44,669 On Order
View Dates
On Order:
12,169 Expected 2026/08/17
17,500 Expected 2027/01/18
15,000 Expected 2027/03/15
Factory Lead Time:
27 Weeks
1
$1.65
10
$1.20
25
$1.09
100
$0.961
250
View
2,500
$0.801
250
$0.902
500
$0.866
1,000
$0.855
2,500
$0.801
Buy
Min.: 1 Mult.: 1
Reel :2,500
Details
Serial 2-Wire, I2C
YY-MM-DD-dd
HH:MM:SS (24 hr)
TSSOP-8
No Backup Switching
900 mV
5.5 V
- 40 C
+ 105 C
PCA85073A
SMD/SMT
AEC-Q100
Reel, Cut Tape, MouseReel
Real Time Clock RTC Module with I2C or SPI interface featuring backup battery switch-over function in HLSON16 package.
PCF2131TFY
NXP Semiconductors
1:
$3.66
33,195 On Order
Mouser Part No 771-PCF2131TFY
NXP Semiconductors
Real Time Clock RTC Module with I2C or SPI interface featuring backup battery switch-over function in HLSON16 package.
33,195 On Order
1
$3.66
10
$2.76
25
$2.54
100
$2.27
250
View
4,000
$1.88
250
$2.15
500
$2.11
1,000
$1.99
2,000
$1.93
4,000
$1.88
Buy
Min.: 1 Mult.: 1
Reel :4,000
Details
Serial, I2C, SPI
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
Backup Switching
1.2 V
5.5 V
- 40 C
+ 85 C
PCF2131
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock REAL TIME CLK/CLNDR W/TEMP COMP 8 L
ISL12022IBZ
Renesas / Intersil
1:
$5.33
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 2026/12/29
2,940 Expected 2027/01/08
Factory Lead Time:
22 Weeks
1
$5.33
10
$4.05
25
$3.74
100
$3.40
250
View
250
$3.23
500
$3.09
980
$3.04
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 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 2026/08/27
5,000 Expected 2026/09/25
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:
$3.98
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 2026/09/11
4,000 Expected 2026/10/09
Factory Lead Time:
12 Weeks
1
$3.98
10
$2.99
25
$2.73
100
$2.47
1,000
$2.23
2,000
View
250
$2.34
500
$2.29
2,000
$2.20
5,000
$2.16
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:
$4.99
2,394 Expected 2026/08/28
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 2026/08/28
1
$4.99
10
$3.76
25
$3.45
100
$3.12
250
$3.08
1,000
$2.61
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:
124 Expected 2026/08/24
3,300 Expected 2026/08/31
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 32.768 KHZ
AB-RTCMC-32.768kHz-EOZ9-S3-DBT
ABRACON
1:
$8.68
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 2026/09/15
2,000 Expected 2026/09/22
Factory Lead Time:
12 Weeks
1
$8.68
10
$6.73
25
$6.25
100
$5.70
1,000
$5.01
2,000
View
250
$5.47
500
$5.23
2,000
$4.75
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 2-Wire Real Time Clock IC
R2051S02-E2-F
Nisshinbo
1:
$1.73
2,000 Expected 2026/10/06
Mouser Part No 848-R2051S02E2F
Nisshinbo
Real Time Clock 2-Wire Real Time Clock IC
2,000 Expected 2026/10/06
1
$1.73
10
$1.26
25
$1.15
100
$1.06
2,000
$0.833
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 Clock I2C Interface Integrated Circuit, -40 to +85 C, 16-pin QFN
AM0805AQ
Ambiq
1:
$0.715
2,869 Expected 2026/09/29
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 2026/09/29
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:
$1.99
4,000 Expected 2026/10/30
Mouser Part No 428-204291-MC01
Micro Crystal
Real Time Clock 32.768kHz I2C 20ppm 2.0x1.2x0.7 AEC-Q200
4,000 Expected 2026/10/30
1
$1.99
10
$1.45
25
$1.31
100
$1.16
1,000
$1.05
2,000
View
250
$1.09
500
$1.05
2,000
$1.01
5,000
$0.999
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:
$2.08
2,000 Expected 2026/11/20
Mouser Part No 428-8263C7328K20PTQA
Micro Crystal
Real Time Clock
2,000 Expected 2026/11/20
1
$2.08
10
$1.54
25
$1.38
100
$1.22
250
View
250
$1.14
500
$1.11
1,000
$1.10
2,000
$1.02
5,000
$0.993
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 I2C bus RTC
+1 image
M41T83SQA6F
STMicroelectronics
1:
$4.43
3,750 Expected 2026/08/27
Mouser Part No 511-M41T83SQA6F
STMicroelectronics
Real Time Clock Serial I2C bus RTC
3,750 Expected 2026/08/27
1
$4.43
10
$3.36
25
$3.09
100
$2.80
250
View
1,000
$2.50
250
$2.66
500
$2.61
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:
$0.95
9,743 Expected 2026/09/07
Mouser Part No 579-MCP7940NT-I/MNY
Microchip Technology
Real Time Clock I2C GP RTCC 64B SRAM
9,743 Expected 2026/09/07
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 I C RTC/Supervisor with Trickle Charger
DS1388Z-33+
Analog Devices / Maxim Integrated
1:
$8.14
600 Expected 2026/08/21
Mouser Part No 700-DS1388Z-33
Analog Devices / Maxim Integrated
Real Time Clock I C RTC/Supervisor with Trickle Charger
600 Expected 2026/08/21
Alternative Packaging
1
$8.14
10
$6.28
25
$5.82
100
$5.29
300
View
300
$4.90
1,000
$4.76
2,500
$4.52
Buy
Min.: 1 Mult.: 1
Details
I2C
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
512 B
SOIC-8
Backup Switching
2.97 V
3.63 V
- 40 C
+ 85 C
DS1388Z
SMD/SMT
Tube
Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R
DS1744-70IND+
Analog Devices / Maxim Integrated
1:
$66.65
170 On Order
Mouser Part No 700-DS1744-70IND
Analog Devices / Maxim Integrated
Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R
170 On Order
View Dates
On Order:
122 Expected 2026/08/18
48 Expected 2026/08/24
Factory Lead Time:
14 Weeks
1
$66.65
12
$56.25
24
$52.94
108
$50.52
Buy
Min.: 1 Mult.: 1
Details
Parallel
YY-MM-DD-dd
HH:MM:SS (24 hr)
32 kB
EDIP-28
Integrated Battery
4.5 V
5.5 V
- 40 C
+ 85 C
DS1744
Through Hole
Tube
Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R
DS1746-70IND+
Analog Devices / Maxim Integrated
1:
$70.91
35 Expected 2026/08/17
Mouser Part No 700-DS1746-70IND
Analog Devices / Maxim Integrated
Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R
35 Expected 2026/08/17
1
$70.91
11
$58.49
22
$55.31
110
$52.50
Buy
Min.: 1 Mult.: 1
Details
Parallel
YY-MM-DD-dd
HH:MM:SS (24 hr)
128 kB
EDIP-32
Integrated Battery
4.5 V
5.5 V
- 40 C
+ 85 C
DS1746
Through Hole
Tube
Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R
DS1746W-120+
Analog Devices / Maxim Integrated
1:
$63.37
109 On Order
Mouser Part No 700-DS1746W-120
Analog Devices / Maxim Integrated
Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R
109 On Order
View Dates
On Order:
88 Expected 2026/08/27
21 Expected 2026/09/14
Factory Lead Time:
14 Weeks
1
$63.37
11
$52.18
22
$49.26
110
$46.88
253
View
253
$46.57
506
Quote
Buy
Min.: 1 Mult.: 1
Details
Parallel
YY-MM-DD-dd
HH:MM:SS (24 hr)
128 kB
EDIP-32
Integrated Battery
2.97 V
3.63 V
0 C
+ 70 C
DS1746W
Through Hole
Tube
Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R
DS1747-70IND+
Analog Devices / Maxim Integrated
1:
$84.35
89 In Stock
90 Expected 2026/08/21
Mouser Part No 700-DS1747-70IND
Analog Devices / Maxim Integrated
Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R
89 In Stock
90 Expected 2026/08/21
1
$84.35
10
$69.62
30
$65.54
100
$62.27
250
View
250
Quote
Buy
Min.: 1 Mult.: 1
Details
Parallel
YY-MM-DD-dd
HH:MM:SS (24 hr)
512 kB
Integrated Battery
4.5 V
5.5 V
- 40 C
+ 85 C
DS1747
Through Hole
Tube
Real Time Clock 3.5ppm, I2C RTC with Integrated Crystal and Power Management
MAX31328NELB+
Analog Devices / Maxim Integrated
1:
$5.88
2,862 On Order
Mouser Part No 700-MAX31328NELB+
Analog Devices / Maxim Integrated
Real Time Clock 3.5ppm, I2C RTC with Integrated Crystal and Power Management
2,862 On Order
View Dates
Alternative Packaging
On Order:
1,392 Expected 2026/08/19
1,470 Expected 2026/09/08
Factory Lead Time:
30 Weeks
1
$5.88
10
$4.72
25
$4.47
100
$4.16
250
View
250
$3.94
490
$3.83
Buy
Min.: 1 Mult.: 1
Max.: 490
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
MAX31328
SMD/SMT
Tray
Real Time Clock RTC IC with 400 kHz I2C interface featuring 128 byte SRAM in HVSON12 package.
PCF85053ATKJ
NXP Semiconductors
1:
$1.67
6,000 Expected 2026/10/01
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 2026/10/01
1
$1.67
10
$1.23
25
$1.12
100
$0.987
250
View
6,000
$0.772
250
$0.927
500
$0.891
1,000
$0.88
2,500
$0.826
6,000
$0.772
Buy
Min.: 1 Mult.: 1
Reel :6,000
Details
PCF85053A
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock RTC IC with 400 kHz I2C interface in SO8 package.
+2 images
PCF85063AT/AY
NXP Semiconductors
1:
$0.90
33,880 Expected 2026/08/17
Mouser Part No 771-PCF85063AT/AY
NXP Semiconductors
Real Time Clock RTC IC with 400 kHz I2C interface in SO8 package.
33,880 Expected 2026/08/17
Alternative Packaging
1
$0.90
10
$0.643
25
$0.579
100
$0.509
2,500
$0.416
5,000
View
250
$0.475
500
$0.454
1,000
$0.435
5,000
$0.384
Buy
Min.: 1 Mult.: 1
Reel :2,500
Details
I2C
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
SOIC-8
No Backup Switching
900 mV
5.5 V
- 40 C
+ 85 C
PCF85063A
SMD/SMT
Reel, Cut Tape, MouseReel
