Real Time Clock I C Serial Real-Time Clock
DS1339U-3+
Analog Devices / Maxim Integrated
1:
$9.07
1,309 In Stock
Mouser Part # 700-DS1339U-3
Analog Devices / Maxim Integrated
Real Time Clock I C Serial Real-Time Clock
1,309 In Stock
Alternative Packaging
1
$9.07
10
$6.96
50
$6.41
100
$5.83
250
View
250
$5.56
500
$5.39
1,000
$5.33
2,500
$5.26
Buy
Min.: 1 Mult.: 1
Details
Serial 2-Wire, I2C
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
uSOP-8
Backup Switching
2.7 V
3.3 V
- 40 C
+ 85 C
DS1339U
SMD/SMT
Tube
Real Time Clock I2C GP RTCC 64B SRAM
MCP7940N-I/MS
Microchip Technology
1:
$1.30
2,240 In Stock
Mouser Part # 579-MCP7940N-I/MS
Microchip Technology
Real Time Clock I2C GP RTCC 64B SRAM
2,240 In Stock
Alternative Packaging
Buy
Min.: 1 Mult.: 1
Details
Serial 2-Wire, I2C
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
64 B
MSOP-8
Backup Switching
1.8 V
5.5 V
- 40 C
+ 85 C
SMD/SMT
Tube
Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM ID
MCP79410-I/MS
Microchip Technology
1:
$1.56
2,130 In Stock
Mouser Part # 579-MCP79410-I/MS
Microchip Technology
Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM ID
2,130 In Stock
Alternative Packaging
1
$1.56
25
$1.45
100
$1.39
10,000
$1.37
Buy
Min.: 1 Mult.: 1
Details
I2C
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
64 B
MSOP-8
Backup Switching
1.8 V
5.5 V
- 40 C
+ 85 C
SMD/SMT
Tube
Real Time Clock 128 NVRAM Serial RTC 3.0 to 3.6 Vcc
+2 images
M41ST87WSS6F
STMicroelectronics
1:
$11.19
415 In Stock
Mouser Part # 511-M41ST87WSS6F
STMicroelectronics
Real Time Clock 128 NVRAM Serial RTC 3.0 to 3.6 Vcc
415 In Stock
1
$11.19
10
$8.64
25
$7.99
100
$7.30
1,350
$6.26
2,700
View
250
$6.85
500
$6.84
2,700
$5.95
Buy
Min.: 1 Mult.: 1
Reel :1,350
Details
Serial 2-Wire, I2C
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
160 B
SSOP-20
Backup Switching
2.7 V
3.6 V
- 40 C
+ 85 C
M41ST87W
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock I C Serial Real-Time Clock
DS1339U-33+
Analog Devices / Maxim Integrated
1:
$9.22
1,572 In Stock
Mouser Part # 700-DS1339U-33
Analog Devices / Maxim Integrated
Real Time Clock I C Serial Real-Time Clock
1,572 In Stock
Alternative Packaging
1
$9.22
10
$7.68
50
$6.52
100
$5.96
Buy
Min.: 1 Mult.: 1
Max.: 200
Details
Serial 2-Wire, I2C
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
uSOP-8
Backup Switching
2.97 V
5.5 V
- 40 C
+ 85 C
DS1339U
SMD/SMT
Tube
Real Time Clock RTC IC with 400 kHz I2C interface in TSSOP8 package.
+1 image
PCF8563TS/5,118
NXP Semiconductors
1:
$2.52
4,584 In Stock
7,500 Expected 2026-11-16
Mouser Part # 771-PCF8563TS/5118
NXP Semiconductors
Real Time Clock RTC IC with 400 kHz I2C interface in TSSOP8 package.
4,584 In Stock
7,500 Expected 2026-11-16
Alternative Packaging
1
$2.52
10
$1.84
25
$1.67
100
$1.48
2,500
$1.23
5,000
View
250
$1.39
500
$1.33
1,000
$1.32
5,000
$1.21
Buy
Min.: 1 Mult.: 1
Reel :2,500
Details
I2C
YY-MM-DD-dd
HH:MM:SS (24 hr)
TSSOP-8
No Backup Switching
1 V
5.5 V
- 40 C
+ 85 C
PCF8563
SMD/SMT
Reel, Cut Tape, MouseReel
Real Time Clock I2C GP RTCC 64B SRAM
MCP7940N-I/ST
Microchip Technology
1:
$1.30
201 In Stock
500 Expected 2026-10-26
Mouser Part # 579-MCP7940N-I/ST
Microchip Technology
Real Time Clock I2C GP RTCC 64B SRAM
201 In Stock
500 Expected 2026-10-26
Alternative Packaging
1
$1.30
25
$1.20
100
$1.15
Buy
Min.: 1 Mult.: 1
Details
Serial 2-Wire, I2C
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
64 B
TSSOP-8
Backup Switching
1.8 V
5.5 V
- 40 C
+ 85 C
SMD/SMT
Tube
Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM ID
MCP79410-I/ST
Microchip Technology
1:
$1.56
954 In Stock
Mouser Part # 579-MCP79410-I/ST
Microchip Technology
Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM ID
954 In Stock
Alternative Packaging
1
$1.56
25
$1.45
100
$1.39
Buy
Min.: 1 Mult.: 1
Details
I2C
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
64 B
TSSOP-8
Backup Switching
1.8 V
5.5 V
- 40 C
+ 85 C
SMD/SMT
Tube
Real Time Clock Parallel RTC A 595-B Q4802LYPWR A 595-BQ A 595-BQ4802LYPWR
BQ4802LYPW
Texas Instruments
1:
$13.84
53 In Stock
End of Life
Mouser Part # 595-BQ4802LYPW
End of Life
Texas Instruments
Real Time Clock Parallel RTC A 595-B Q4802LYPWR A 595-BQ A 595-BQ4802LYPWR
53 In Stock
Alternative Packaging
1
$13.84
10
$10.77
50
$9.14
100
$9.01
250
View
250
$8.67
500
$8.50
1,000
$8.29
3,000
Quote
Buy
Min.: 1 Mult.: 1
Details
Parallel
YY-MM-DD-dd
HH:MM:SS (24 hr)
16 B
TSSOP-28
Backup Switching
2.7 V
3.6 V
0 C
+ 70 C
BQ4802LY
SMD/SMT
Tube
Real Time Clock I C Serial Real-Time Clock
DS1337U+
Analog Devices / Maxim Integrated
1:
$6.57
152 In Stock
Mouser Part # 700-DS1337U
Analog Devices / Maxim Integrated
Real Time Clock I C Serial Real-Time Clock
152 In Stock
Alternative Packaging
1
$6.57
10
$4.97
50
$4.33
100
$4.10
250
View
250
$3.90
500
$3.80
1,000
$3.70
2,500
$3.59
Buy
Min.: 1 Mult.: 1
Details
I2C
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
uSOP-8
No Backup Switching
1.8 V
5.5 V
- 40 C
+ 85 C
DS1337U
SMD/SMT
Tube
Real Time Clock I C RTC with 56-Byte NV RAM
DS1338U-33+
Analog Devices / Maxim Integrated
1:
$8.70
99 In Stock
400 On Order
Mouser Part # 700-DS1338U-33
Analog Devices / Maxim Integrated
Real Time Clock I C RTC with 56-Byte NV RAM
99 In Stock
400 On Order
View Dates
Alternative Packaging
On Order:
200 Expected 2026-10-26
200 Expected 2026-10-28
Factory Lead-Time:
15 Weeks
1
$8.70
10
$6.64
50
$6.13
100
$5.59
250
View
250
$5.31
500
$5.16
1,000
$5.10
2,500
$5.04
Buy
Min.: 1 Mult.: 1
Details
I2C
YY-MM-DD-dd
HH:MM:SS:hh (12 hr, 24 hr)
56 B
uSOP-8
Backup Switching
3 V
5.5 V
- 40 C
+ 85 C
DS1338U
SMD/SMT
Tube
Real Time Clock I C RTC with Trickle Charger
DS1340U-33+
Analog Devices / Maxim Integrated
1:
$8.65
239 In Stock
Mouser Part # 700-DS1340U-33
Analog Devices / Maxim Integrated
Real Time Clock I C RTC with Trickle Charger
239 In Stock
Alternative Packaging
1
$8.65
10
$7.89
50
$6.71
100
$6.42
250
View
250
$5.59
500
$5.14
1,000
$5.08
2,500
$5.03
Buy
Min.: 1 Mult.: 1
Details
I2C
YY-MM-DD-dd
HH:MM:SS (24 hr)
uSOP-8
Backup Switching
2.97 V
5.5 V
- 40 C
+ 85 C
DS1340U
SMD/SMT
Tube
Canada