Real Time Clock Real-Time Clock I2C interface with power management, -40 to +85 C, 16-pin QFN
AM1805AQ
Ambiq
1:
¥127.9
30,000 On Order
Mouser Part # 222-AM1805AQ
Ambiq
Real Time Clock Real-Time Clock I2C interface with power management, -40 to +85 C, 16-pin QFN
30,000 On Order
View Dates
On Order:
9,000 Expected 9/11/2026
6,000 Expected 9/14/2026
15,000 Expected 12/7/2026
Factory Lead-Time:
22 Weeks
Buy
Min.: 1 Mult.: 1
Details
Artasie I2C w/ Power Management
Real Time Clock Automotive RTC module, featuring I2C or SPI interface in HLSON16 package.
PCA2131TF/Q900Y
NXP Semiconductors
1:
¥699.3
7,723 Expected 9/28/2026
Mouser Part # 771-PCA2131TF/Q900Y
NXP Semiconductors
Real Time Clock Automotive RTC module, featuring I2C or SPI interface in HLSON16 package.
7,723 Expected 9/28/2026
1
¥699.3
10
¥538.2
25
¥498.3
100
¥455.1
250
View
4,000
¥395.3
250
¥435.2
500
¥430.2
1,000
¥408.6
2,000
¥400.3
4,000
¥395.3
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:
¥274.1
44,669 On Order
Mouser Part # 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 8/18/2026
17,500 Expected 9/7/2026
15,000 Expected 3/15/2027
Factory Lead-Time:
27 Weeks
1
¥274.1
10
¥201
25
¥182.7
100
¥161.6
250
View
2,500
¥136.2
250
¥152
500
¥146.7
1,000
¥144.7
2,500
¥136.2
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 Real-Time Clock I2C Interface Integrated Circuit, -40 to +85 C, 16-pin QFN
AM0805AQ
Ambiq
1:
¥114.6
2,869 Expected 9/29/2026
Mouser Part # 222-AM0805AQ
Ambiq
Real Time Clock Real-Time Clock I2C Interface Integrated Circuit, -40 to +85 C, 16-pin QFN
2,869 Expected 9/29/2026
Buy
Min.: 1 Mult.: 1
Details
Artasie I2C
Real Time Clock RTC Module with I2C or SPI interface featuring backup battery switch-over function in HLSON16 package.
PCF2131TFY
NXP Semiconductors
1:
¥607.9
34,200 Expected 8/10/2026
Mouser Part # 771-PCF2131TFY
NXP Semiconductors
Real Time Clock RTC Module with I2C or SPI interface featuring backup battery switch-over function in HLSON16 package.
34,200 Expected 8/10/2026
1
¥607.9
10
¥458.4
25
¥420.2
100
¥378.7
250
View
4,000
¥312.3
250
¥357.1
500
¥348.8
1,000
¥338.8
2,000
¥333.9
4,000
¥312.3
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 RTC IC with 400 kHz I2C interface in SO8 package.
+2 images
PCF85063AT/AY
NXP Semiconductors
1:
¥149.5
33,885 Expected 8/31/2026
Mouser Part # 771-PCF85063AT/AY
NXP Semiconductors
Real Time Clock RTC IC with 400 kHz I2C interface in SO8 package.
33,885 Expected 8/31/2026
Alternative Packaging
1
¥149.5
10
¥106.8
25
¥96.2
100
¥84.5
2,500
¥69.1
5,000
View
250
¥78.7
500
¥75.2
1,000
¥72.3
5,000
¥63.8
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
Real Time Clock RTC IC with 400 kHz I2C interface featuring 128 byte SRAM in HVSON12 package.
PCF85053ATKJ
NXP Semiconductors
1:
¥279
6,000 Expected 10/5/2026
Mouser Part # 771-PCF85053ATKJ
NXP Semiconductors
Real Time Clock RTC IC with 400 kHz I2C interface featuring 128 byte SRAM in HVSON12 package.
6,000 Expected 10/5/2026
1
¥279
10
¥204.3
25
¥186
100
¥163.9
250
View
6,000
¥128.2
250
¥154
500
¥148
1,000
¥146.2
2,500
¥137
6,000
¥128.2
Buy
Min.: 1 Mult.: 1
Reel :6,000
Details
PCF85053A
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock 2-Wire Real Time Clock IC
R2051T01-E2-F
Nisshinbo
1:
¥267.4
Non-Stocked Lead-Time 12 Weeks
Mouser Part # 848-R2051T01E2F
Nisshinbo
Real Time Clock 2-Wire Real Time Clock IC
Non-Stocked Lead-Time 12 Weeks
1
¥267.4
10
¥196
25
¥177.7
100
¥167.8
2,000
¥128.9
4,000
View
1,000
¥129.4
4,000
¥127.9
Buy
Min.: 1 Mult.: 1
Reel :2,000
Details
Serial 2-Wire, I2C
BCD
BCD
TSSOP-10
Backup Switching
750 mV
5.5 V
- 40 C
+ 85 C
R2051T
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock 3-Wire Real Time Clock IC
R2061L01-E2
Nisshinbo
3,000:
¥126.1
Non-Stocked Lead-Time 12 Weeks
Mouser Part # 848-R2061L01-E2
Nisshinbo
Real Time Clock 3-Wire Real Time Clock IC
Non-Stocked Lead-Time 12 Weeks
3,000
¥126.1
6,000
¥123.6
Buy
Min.: 3,000 Mult.: 3,000
Reel :3,000
Details
Serial 3-Wire
BCD
BCD
QFN023023-16
Backup Switching
750 mV
5.5 V
- 40 C
+ 85 C
R2061L
SMD/SMT
Reel
Real Time Clock 3-Wire Real Time Clock IC
R2062L01-E2
Nisshinbo
3,000:
¥121.8
Non-Stocked Lead-Time 12 Weeks
Mouser Part # 848-R2062L01-E2
Nisshinbo
Real Time Clock 3-Wire Real Time Clock IC
Non-Stocked Lead-Time 12 Weeks
Buy
Min.: 3,000 Mult.: 3,000
Reel :3,000
Details
Serial 3-Wire
BCD
BCD
QFN023023-16
Backup Switching
750 mV
5.5 V
- 40 C
+ 85 C
R2062L
SMD/SMT
Reel
Real Time Clock 3-Wire Real Time Clock IC
R2061S02-E2-F
Nisshinbo
2,000:
¥145.7
Non-Stocked Lead-Time 12 Weeks
Mouser Part # 848-R2061S02E2F
Nisshinbo
Real Time Clock 3-Wire Real Time Clock IC
Non-Stocked Lead-Time 12 Weeks
2,000
¥145.7
4,000
¥135.2
Buy
Min.: 2,000 Mult.: 2,000
Reel :2,000
Details
Serial 3-Wire
BCD
BCD
SSOP-16
Backup Switching
750 mV
5.5 V
- 40 C
+ 85 C
R2061S
SMD/SMT
Reel
Real Time Clock 3-WIRE SERIAL INTERFACE REAL-TIME CLOCK ICs WITH VOLTAGE MONITORING FUNCTION
RV5C338A-E2-F
Nisshinbo
1:
¥272.4
Non-Stocked Lead-Time 12 Weeks
Mouser Part # 848-RV5C338A-E2-F
Nisshinbo
Real Time Clock 3-WIRE SERIAL INTERFACE REAL-TIME CLOCK ICs WITH VOLTAGE MONITORING FUNCTION
Non-Stocked Lead-Time 12 Weeks
1
¥272.4
10
¥199.3
25
¥181
100
¥171.1
2,000
¥131.2
4,000
View
1,000
¥131.7
4,000
¥130.2
Buy
Min.: 1 Mult.: 1
Reel :2,000
Details
SSOP-10
RV5C338A
Reel, Cut Tape
Real Time Clock 3 wire interface Real-Time Clock ICs with Battery Backup switch-over Function
R2062L02-E2
Nisshinbo
3,000:
¥121.8
Non-Stocked Lead-Time 12 Weeks
Mouser Part # 848-R2062L02-E2
Nisshinbo
Real Time Clock 3 wire interface Real-Time Clock ICs with Battery Backup switch-over Function
Non-Stocked Lead-Time 12 Weeks
Buy
Min.: 3,000 Mult.: 3,000
Reel :3,000
Details
QFN023023-16
R2062L
Reel
Real Time Clock 4-wire Serial Interface
RS5C348A-E2-F
Nisshinbo
1:
¥272.4
Non-Stocked Lead-Time 12 Weeks
End of Life
Mouser Part # 848-RS5C348A-E2-F
End of Life
Nisshinbo
Real Time Clock 4-wire Serial Interface
Non-Stocked Lead-Time 12 Weeks
1
¥272.4
10
¥199.3
25
¥181
100
¥159.6
2,000
¥140.4
4,000
View
250
¥150
500
¥144.2
4,000
¥137
Buy
Min.: 1 Mult.: 1
Reel :2,000
Details
Serial 4-Wire
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
16 B
SSOP-10
Backup Switching
2 V
5.5 V
- 40 C
+ 85 C
RS5C348
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock 2-Wire Real Time Clock IC
R2221L-E2
Nisshinbo
3,000:
¥129.6
Non-Stocked Lead-Time 12 Weeks
Mouser Part # 848-R2221L-E2
Nisshinbo
Real Time Clock 2-Wire Real Time Clock IC
Non-Stocked Lead-Time 12 Weeks
3,000
¥129.6
6,000
¥128.4
Buy
Min.: 3,000 Mult.: 3,000
Reel :3,000
Details
Serial 2-Wire, I2C
BCD
BCD
QFN1818-12
No Backup Switching
1.5 V
5.5 V
- 40 C
+ 85 C
R2221L
SMD/SMT
Reel
Real Time Clock 4-Wire Real Time Clock IC
R2043L-E2
Nisshinbo
3,000:
¥117.3
Non-Stocked Lead-Time 12 Weeks
Mouser Part # 848-R2043L-E2
Nisshinbo
Real Time Clock 4-Wire Real Time Clock IC
Non-Stocked Lead-Time 12 Weeks
Buy
Min.: 3,000 Mult.: 3,000
Reel :3,000
Details
Serial 4-Wire, SPI
BCD
BCD
QFN023023-16
No Backup Switching
1.7 V
5.5 V
- 40 C
+ 85 C
R2043L
SMD/SMT
Reel
Real Time Clock Real-Time Clock SPI interface, -40 to +85 C, 16-pin QFN
AM0815AQ
Ambiq
1:
¥114.6
Non-Stocked Lead-Time 22 Weeks
Mouser Part # 222-AM0815AQ
Ambiq
Real Time Clock Real-Time Clock SPI interface, -40 to +85 C, 16-pin QFN
Non-Stocked Lead-Time 22 Weeks
Buy
Min.: 1 Mult.: 1
Details
Artasie SPI
Real Time Clock 2-Wire Real Time Clock IC
R2023L-E2
Nisshinbo
3,000:
¥117.3
Non-Stocked
Mouser Part # 848-R2023L-E2
Nisshinbo
Real Time Clock 2-Wire Real Time Clock IC
Non-Stocked
Buy
Min.: 3,000 Mult.: 3,000
Reel :3,000
Details
Serial 2-Wire, I2C
BCD
BCD
QFN023023-16
No Backup Switching
1.7 V
5.5 V
- 40 C
+ 85 C
R2023L
SMD/SMT
Reel
Real Time Clock 2-Wire Real Time Clock IC
RV5C386A-E2-F
Nisshinbo
1:
¥272.4
Non-Stocked Lead-Time 12 Weeks
Mouser Part # 848-RV5C386AE2F
Nisshinbo
Real Time Clock 2-Wire Real Time Clock IC
Non-Stocked Lead-Time 12 Weeks
1
¥272.4
10
¥199.3
25
¥181
100
¥171.1
2,000
¥131.2
4,000
View
1,000
¥131.7
4,000
¥130.2
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
Real Time Clock 2-Wire Real Time Clock IC
R2262L01-E2
Nisshinbo
3,000:
¥124.4
Non-Stocked Lead-Time 12 Weeks
Mouser Part # 848-R2262L01-E2
Nisshinbo
Real Time Clock 2-Wire Real Time Clock IC
Non-Stocked Lead-Time 12 Weeks
3,000
¥124.4
6,000
¥121.9
Buy
Min.: 3,000 Mult.: 3,000
Reel :3,000
Details
Serial 3-Wire
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
QFN0202-18
Backup Switching
600 mV
5.5 V
- 40 C
+ 85 C
R2262L
SMD/SMT
Reel
Real Time Clock I²C BUS Serial Interface RTC with High-precision Oscillation Adjustment
BU9873NUX-TTR
ROHM Semiconductor
1:
¥179.4
3,991 In Stock
End of Life
Mouser Part # 755-BU9873NUX-TTR
End of Life
ROHM Semiconductor
Real Time Clock I²C BUS Serial Interface RTC with High-precision Oscillation Adjustment
3,991 In Stock
1
¥179.4
10
¥129.2
25
¥116.6
100
¥102.8
250
View
4,000
250
¥96.3
500
¥93
1,000
¥90
2,000
¥86
4,000
¥83.7
Buy
Min.: 1 Mult.: 1
Details
Serial 2-Wire, I2C
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
VSON-8
No Backup Switching
1.8 V
5.5 V
- 40 C
+ 85 C
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock I²C BUS Serial Interface RTC with High-precision Oscillation Adjustment
BU9873FJ-GTE2
ROHM Semiconductor
1:
¥182.7
2,410 In Stock
End of Life
Mouser Part # 755-BU9873FJ-GTE2
End of Life
ROHM Semiconductor
Real Time Clock I²C BUS Serial Interface RTC with High-precision Oscillation Adjustment
2,410 In Stock
1
¥182.7
10
¥131.2
25
¥118.1
100
¥103.8
2,500
View
250
¥97.2
500
¥93
1,000
¥90
2,500
¥78.4
5,000
¥77.9
Buy
Min.: 1 Mult.: 1
Details
Serial 2-Wire, I2C
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
SOP-J-8
No Backup Switching
1.8 V
5.5 V
- 40 C
+ 85 C
SMD/SMT
Reel, Cut Tape
Real Time Clock RTC IC with 400 kHz I2C interface featuring backup battery switch-over function in WLCSP12 package.
NXP Semiconductors PCF85263AUKZ
PCF85263AUKZ
NXP Semiconductors
1:
¥227.6
18,576 In Stock
End of Life
Mouser Part # 771-PCF85263AUKZ
End of Life
NXP Semiconductors
Real Time Clock RTC IC with 400 kHz I2C interface featuring backup battery switch-over function in WLCSP12 package.
18,576 In Stock
1
¥227.6
10
¥163.8
25
¥148.3
100
¥131.1
250
View
20,000
250
¥122.7
500
¥117.8
1,000
¥112.6
2,500
¥109.5
5,000
¥105.3
20,000
¥105.3
Buy
Min.: 1 Mult.: 1
Details
Serial 2-Wire, I2C
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
WLCSP-12
Backup Switching
900 mV
5.5 V
- 40 C
+ 85 C
PCF85263A
SMD/SMT
Reel, Cut Tape
Real Time Clock RTC IC with 400 kHz I2C interface in SO8 package.
+2 images
PCF85063AT/AAZ
NXP Semiconductors
1:
¥162.8
636 In Stock
End of Life
Mouser Part # 771-PCF85063AT/AAZ
End of Life
NXP Semiconductors
Real Time Clock RTC IC with 400 kHz I2C interface in SO8 package.
636 In Stock
Alternative Packaging
1
¥162.8
10
¥115.4
25
¥97.8
100
¥90.7
1,000
¥75.1
2,000
View
2,000
¥68.4
5,000
¥63.1
Buy
Min.: 1 Mult.: 1
Details
Serial 2-Wire, 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
Real Time Clock Real-time Clock Mod 3-wire Interface
+2 images
PT7C4302WEX
Diodes Incorporated
1:
¥207.6
370 In Stock
End of Life
Mouser Part # 729-PT7C4302WEX
End of Life
Diodes Incorporated
Real Time Clock Real-time Clock Mod 3-wire Interface
370 In Stock
Alternative Packaging
1
¥207.6
10
¥149.5
25
¥135.2
100
¥119.6
2,500
¥99.7
5,000
View
250
¥112
500
¥107.5
1,000
¥102.6
5,000
¥98.3
Buy
Min.: 1 Mult.: 1
Details
Serial 3-Wire
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
31 B
Backup Switching
1.5 V
5.5 V
- 40 C
+ 85 C
SMD/SMT
Reel, Cut Tape, MouseReel
Japan
